1// dear imgui, v1.91.6
2// (drawing and font code)
3
4/*
5
6Index of this file:
7
8// [SECTION] STB libraries implementation
9// [SECTION] Style functions
10// [SECTION] ImDrawList
11// [SECTION] ImTriangulator, ImDrawList concave polygon fill
12// [SECTION] ImDrawListSplitter
13// [SECTION] ImDrawData
14// [SECTION] Helpers ShadeVertsXXX functions
15// [SECTION] ImFontConfig
16// [SECTION] ImFontAtlas
17// [SECTION] ImFontAtlas: glyph ranges helpers
18// [SECTION] ImFontGlyphRangesBuilder
19// [SECTION] ImFont
20// [SECTION] ImGui Internal Render Helpers
21// [SECTION] Decompression code
22// [SECTION] Default font data (ProggyClean.ttf)
23
24*/
25
26#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
27#define _CRT_SECURE_NO_WARNINGS
28#endif
29
30#ifndef IMGUI_DEFINE_MATH_OPERATORS
31#define IMGUI_DEFINE_MATH_OPERATORS
32#endif
33
34#include "imgui.h"
35#ifndef IMGUI_DISABLE
36#include "imgui_internal.h"
37#ifdef IMGUI_ENABLE_FREETYPE
38#include "misc/freetype/imgui_freetype.h"
39#endif
40
41#include <stdio.h> // vsnprintf, sscanf, printf
42
43// Visual Studio warnings
44#ifdef _MSC_VER
45#pragma warning (disable: 4127) // condition expression is constant
46#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
47#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
48#pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2).
49#pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3). [MSVC Static Analyzer)
50#endif
51
52// Clang/GCC warnings with -Weverything
53#if defined(__clang__)
54#if __has_warning("-Wunknown-warning-option")
55#pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great!
56#endif
57#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx'
58#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse.
59#pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
60#pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is.
61#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness
62#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0
63#pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here
64#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier
65#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
66#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision
67#pragma clang diagnostic ignored "-Wreserved-identifier" // warning: identifier '_Xxx' is reserved because it starts with '_' followed by a capital letter
68#pragma clang diagnostic ignored "-Wunsafe-buffer-usage" // warning: 'xxx' is an unsafe pointer used for buffer access
69#pragma clang diagnostic ignored "-Wnontrivial-memaccess" // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
70#elif defined(__GNUC__)
71#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
72#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
73#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
74#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
75#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer
76#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
77#endif
78
79//-------------------------------------------------------------------------
80// [SECTION] STB libraries implementation (for stb_truetype and stb_rect_pack)
81//-------------------------------------------------------------------------
82
83// Compile time options:
84//#define IMGUI_STB_NAMESPACE ImStb
85//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
86//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
87//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
88//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
89
90#ifdef IMGUI_STB_NAMESPACE
91namespace IMGUI_STB_NAMESPACE
92{
93#endif
94
95#ifdef _MSC_VER
96#pragma warning (push)
97#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
98#pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'.
99#pragma warning (disable: 6385) // (stb_truetype) Reading invalid data from 'buffer': the readable size is '_Old_3`kernel_width' bytes, but '3' bytes may be read.
100#pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did.
101#endif
102
103#if defined(__clang__)
104#pragma clang diagnostic push
105#pragma clang diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
106#pragma clang diagnostic ignored "-Wmissing-prototypes"
107#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
108#pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier
109#endif
110
111#if defined(__GNUC__)
112#pragma GCC diagnostic push
113#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
114#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
115#endif
116
117#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
118#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
119#define STBRP_STATIC
120#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0)
121#define STBRP_SORT ImQsort
122#define STB_RECT_PACK_IMPLEMENTATION
123#endif
124#ifdef IMGUI_STB_RECT_PACK_FILENAME
125#include IMGUI_STB_RECT_PACK_FILENAME
126#else
127#include "imstb_rectpack.h"
128#endif
129#endif
130
131#ifdef IMGUI_ENABLE_STB_TRUETYPE
132#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
133#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
134#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x))
135#define STBTT_free(x,u) ((void)(u), IM_FREE(x))
136#define STBTT_assert(x) do { IM_ASSERT(x); } while(0)
137#define STBTT_fmod(x,y) ImFmod(x,y)
138#define STBTT_sqrt(x) ImSqrt(x)
139#define STBTT_pow(x,y) ImPow(x,y)
140#define STBTT_fabs(x) ImFabs(x)
141#define STBTT_ifloor(x) ((int)ImFloor(x))
142#define STBTT_iceil(x) ((int)ImCeil(x))
143#define STBTT_STATIC
144#define STB_TRUETYPE_IMPLEMENTATION
145#else
146#define STBTT_DEF extern
147#endif
148#ifdef IMGUI_STB_TRUETYPE_FILENAME
149#include IMGUI_STB_TRUETYPE_FILENAME
150#else
151#include "imstb_truetype.h"
152#endif
153#endif
154#endif // IMGUI_ENABLE_STB_TRUETYPE
155
156#if defined(__GNUC__)
157#pragma GCC diagnostic pop
158#endif
159
160#if defined(__clang__)
161#pragma clang diagnostic pop
162#endif
163
164#if defined(_MSC_VER)
165#pragma warning (pop)
166#endif
167
168#ifdef IMGUI_STB_NAMESPACE
169} // namespace ImStb
170using namespace IMGUI_STB_NAMESPACE;
171#endif
172
173//-----------------------------------------------------------------------------
174// [SECTION] Style functions
175//-----------------------------------------------------------------------------
176
177void ImGui::StyleColorsDark(ImGuiStyle* dst)
178{
179 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
180 ImVec4* colors = style->Colors;
181
182 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
183 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
184 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
185 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
186 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
187 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
188 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
189 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
190 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
191 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
192 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
193 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
194 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
195 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
196 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
197 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
198 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
199 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
200 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
201 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
202 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
203 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
204 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
205 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
206 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
207 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
208 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
209 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
210 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
211 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
212 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f);
213 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
214 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
215 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
216 colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.80f);
217 colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
218 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
219 colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
220 colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
221 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 0.00f);
222 colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_HeaderActive] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
223 colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);
224 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
225 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
226 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
227 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
228 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
229 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here
230 colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here
231 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
232 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
233 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
234 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
235 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
236 colors[ImGuiCol_NavCursor] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
237 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
238 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
239 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
240}
241
242void ImGui::StyleColorsClassic(ImGuiStyle* dst)
243{
244 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
245 ImVec4* colors = style->Colors;
246
247 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
248 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
249 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.85f);
250 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
251 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
252 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
253 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
254 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
255 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
256 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
257 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
258 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
259 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
260 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
261 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
262 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
263 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
264 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
265 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
266 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
267 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
268 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
269 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
270 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
271 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
272 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
273 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
274 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f);
275 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
276 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
277 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f);
278 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
279 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
280 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
281 colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.80f);
282 colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
283 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
284 colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
285 colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
286 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.53f, 0.53f, 0.87f, 0.00f);
287 colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
288 colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);
289 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
290 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
291 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
292 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
293 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f);
294 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here
295 colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here
296 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
297 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f);
298 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
299 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
300 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
301 colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered];
302 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
303 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
304 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
305}
306
307// Those light colors are better suited with a thicker font than the default one + FrameBorder
308void ImGui::StyleColorsLight(ImGuiStyle* dst)
309{
310 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
311 ImVec4* colors = style->Colors;
312
313 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
314 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
315 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
316 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
317 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
318 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
319 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
320 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
321 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
322 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
323 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
324 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
325 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
326 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
327 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
328 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
329 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
330 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
331 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
332 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
333 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
334 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
335 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
336 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
337 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
338 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
339 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
340 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f);
341 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
342 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
343 colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f);
344 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
345 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
346 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
347 colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.90f);
348 colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
349 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
350 colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
351 colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
352 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 0.00f);
353 colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
354 colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);
355 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
356 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
357 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
358 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
359 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f);
360 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here
361 colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here
362 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
363 colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f);
364 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
365 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
366 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
367 colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered];
368 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
369 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
370 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
371}
372
373//-----------------------------------------------------------------------------
374// [SECTION] ImDrawList
375//-----------------------------------------------------------------------------
376
377ImDrawListSharedData::ImDrawListSharedData()
378{
379 memset(s: this, c: 0, n: sizeof(*this));
380 for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++)
381 {
382 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx);
383 ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a));
384 }
385 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
386}
387
388void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
389{
390 if (CircleSegmentMaxError == max_error)
391 return;
392
393 IM_ASSERT(max_error > 0.0f);
394 CircleSegmentMaxError = max_error;
395 for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++)
396 {
397 const float radius = (float)i;
398 CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : IM_DRAWLIST_ARCFAST_SAMPLE_MAX);
399 }
400 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
401}
402
403ImDrawList::ImDrawList(ImDrawListSharedData* shared_data)
404{
405 memset(s: this, c: 0, n: sizeof(*this));
406 _Data = shared_data;
407}
408
409ImDrawList::~ImDrawList()
410{
411 _ClearFreeMemory();
412}
413
414// Initialize before use in a new frame. We always have a command ready in the buffer.
415// In the majority of cases, you would want to call PushClipRect() and PushTextureID() after this.
416void ImDrawList::_ResetForNewFrame()
417{
418 // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory.
419 IM_STATIC_ASSERT(offsetof(ImDrawCmd, ClipRect) == 0);
420 IM_STATIC_ASSERT(offsetof(ImDrawCmd, TextureId) == sizeof(ImVec4));
421 IM_STATIC_ASSERT(offsetof(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID));
422 if (_Splitter._Count > 1)
423 _Splitter.Merge(draw_list: this);
424
425 CmdBuffer.resize(new_size: 0);
426 IdxBuffer.resize(new_size: 0);
427 VtxBuffer.resize(new_size: 0);
428 Flags = _Data->InitialFlags;
429 memset(s: &_CmdHeader, c: 0, n: sizeof(_CmdHeader));
430 _VtxCurrentIdx = 0;
431 _VtxWritePtr = NULL;
432 _IdxWritePtr = NULL;
433 _ClipRectStack.resize(new_size: 0);
434 _TextureIdStack.resize(new_size: 0);
435 _CallbacksDataBuf.resize(new_size: 0);
436 _Path.resize(new_size: 0);
437 _Splitter.Clear();
438 CmdBuffer.push_back(v: ImDrawCmd());
439 _FringeScale = 1.0f;
440}
441
442void ImDrawList::_ClearFreeMemory()
443{
444 CmdBuffer.clear();
445 IdxBuffer.clear();
446 VtxBuffer.clear();
447 Flags = ImDrawListFlags_None;
448 _VtxCurrentIdx = 0;
449 _VtxWritePtr = NULL;
450 _IdxWritePtr = NULL;
451 _ClipRectStack.clear();
452 _TextureIdStack.clear();
453 _CallbacksDataBuf.clear();
454 _Path.clear();
455 _Splitter.ClearFreeMemory();
456}
457
458ImDrawList* ImDrawList::CloneOutput() const
459{
460 ImDrawList* dst = IM_NEW(ImDrawList(_Data));
461 dst->CmdBuffer = CmdBuffer;
462 dst->IdxBuffer = IdxBuffer;
463 dst->VtxBuffer = VtxBuffer;
464 dst->Flags = Flags;
465 return dst;
466}
467
468void ImDrawList::AddDrawCmd()
469{
470 ImDrawCmd draw_cmd;
471 draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy()
472 draw_cmd.TextureId = _CmdHeader.TextureId;
473 draw_cmd.VtxOffset = _CmdHeader.VtxOffset;
474 draw_cmd.IdxOffset = IdxBuffer.Size;
475
476 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
477 CmdBuffer.push_back(v: draw_cmd);
478}
479
480// Pop trailing draw command (used before merging or presenting to user)
481// Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL
482void ImDrawList::_PopUnusedDrawCmd()
483{
484 while (CmdBuffer.Size > 0)
485 {
486 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
487 if (curr_cmd->ElemCount != 0 || curr_cmd->UserCallback != NULL)
488 return;// break;
489 CmdBuffer.pop_back();
490 }
491}
492
493void ImDrawList::AddCallback(ImDrawCallback callback, void* userdata, size_t userdata_size)
494{
495 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
496 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
497 IM_ASSERT(curr_cmd->UserCallback == NULL);
498 if (curr_cmd->ElemCount != 0)
499 {
500 AddDrawCmd();
501 curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
502 }
503
504 curr_cmd->UserCallback = callback;
505 if (userdata_size == 0)
506 {
507 // Store user data directly in command (no indirection)
508 curr_cmd->UserCallbackData = userdata;
509 curr_cmd->UserCallbackDataSize = 0;
510 curr_cmd->UserCallbackDataOffset = -1;
511 }
512 else
513 {
514 // Copy and store user data in a buffer
515 IM_ASSERT(userdata != NULL);
516 IM_ASSERT(userdata_size < (1u << 31));
517 curr_cmd->UserCallbackData = NULL; // Will be resolved during Render()
518 curr_cmd->UserCallbackDataSize = (int)userdata_size;
519 curr_cmd->UserCallbackDataOffset = _CallbacksDataBuf.Size;
520 _CallbacksDataBuf.resize(new_size: _CallbacksDataBuf.Size + (int)userdata_size);
521 memcpy(dest: _CallbacksDataBuf.Data + (size_t)curr_cmd->UserCallbackDataOffset, src: userdata, n: userdata_size);
522 }
523
524 AddDrawCmd(); // Force a new command after us (see comment below)
525}
526
527// Compare ClipRect, TextureId and VtxOffset with a single memcmp()
528#define ImDrawCmd_HeaderSize (offsetof(ImDrawCmd, VtxOffset) + sizeof(unsigned int))
529#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset
530#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset
531#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset)
532
533// Try to merge two last draw commands
534void ImDrawList::_TryMergeDrawCmds()
535{
536 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
537 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
538 ImDrawCmd* prev_cmd = curr_cmd - 1;
539 if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL)
540 {
541 prev_cmd->ElemCount += curr_cmd->ElemCount;
542 CmdBuffer.pop_back();
543 }
544}
545
546// Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack.
547// The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only.
548void ImDrawList::_OnChangedClipRect()
549{
550 // If current command is used with different settings we need to add a new command
551 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
552 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
553 if (curr_cmd->ElemCount != 0 && memcmp(s1: &curr_cmd->ClipRect, s2: &_CmdHeader.ClipRect, n: sizeof(ImVec4)) != 0)
554 {
555 AddDrawCmd();
556 return;
557 }
558 IM_ASSERT(curr_cmd->UserCallback == NULL);
559
560 // Try to merge with previous command if it matches, else use current command
561 ImDrawCmd* prev_cmd = curr_cmd - 1;
562 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
563 {
564 CmdBuffer.pop_back();
565 return;
566 }
567 curr_cmd->ClipRect = _CmdHeader.ClipRect;
568}
569
570void ImDrawList::_OnChangedTextureID()
571{
572 // If current command is used with different settings we need to add a new command
573 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
574 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
575 if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId)
576 {
577 AddDrawCmd();
578 return;
579 }
580 IM_ASSERT(curr_cmd->UserCallback == NULL);
581
582 // Try to merge with previous command if it matches, else use current command
583 ImDrawCmd* prev_cmd = curr_cmd - 1;
584 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
585 {
586 CmdBuffer.pop_back();
587 return;
588 }
589 curr_cmd->TextureId = _CmdHeader.TextureId;
590}
591
592void ImDrawList::_OnChangedVtxOffset()
593{
594 // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this.
595 _VtxCurrentIdx = 0;
596 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
597 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
598 //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349
599 if (curr_cmd->ElemCount != 0)
600 {
601 AddDrawCmd();
602 return;
603 }
604 IM_ASSERT(curr_cmd->UserCallback == NULL);
605 curr_cmd->VtxOffset = _CmdHeader.VtxOffset;
606}
607
608int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const
609{
610 // Automatic segment count
611 const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy
612 if (radius_idx >= 0 && radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
613 return _Data->CircleSegmentCounts[radius_idx]; // Use cached value
614 else
615 return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
616}
617
618// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling)
619void ImDrawList::PushClipRect(const ImVec2& cr_min, const ImVec2& cr_max, bool intersect_with_current_clip_rect)
620{
621 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
622 if (intersect_with_current_clip_rect)
623 {
624 ImVec4 current = _CmdHeader.ClipRect;
625 if (cr.x < current.x) cr.x = current.x;
626 if (cr.y < current.y) cr.y = current.y;
627 if (cr.z > current.z) cr.z = current.z;
628 if (cr.w > current.w) cr.w = current.w;
629 }
630 cr.z = ImMax(lhs: cr.x, rhs: cr.z);
631 cr.w = ImMax(lhs: cr.y, rhs: cr.w);
632
633 _ClipRectStack.push_back(v: cr);
634 _CmdHeader.ClipRect = cr;
635 _OnChangedClipRect();
636}
637
638void ImDrawList::PushClipRectFullScreen()
639{
640 PushClipRect(cr_min: ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), cr_max: ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
641}
642
643void ImDrawList::PopClipRect()
644{
645 _ClipRectStack.pop_back();
646 _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1];
647 _OnChangedClipRect();
648}
649
650void ImDrawList::PushTextureID(ImTextureID texture_id)
651{
652 _TextureIdStack.push_back(v: texture_id);
653 _CmdHeader.TextureId = texture_id;
654 _OnChangedTextureID();
655}
656
657void ImDrawList::PopTextureID()
658{
659 _TextureIdStack.pop_back();
660 _CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1];
661 _OnChangedTextureID();
662}
663
664// This is used by ImGui::PushFont()/PopFont(). It works because we never use _TextureIdStack[] elsewhere than in PushTextureID()/PopTextureID().
665void ImDrawList::_SetTextureID(ImTextureID texture_id)
666{
667 if (_CmdHeader.TextureId == texture_id)
668 return;
669 _CmdHeader.TextureId = texture_id;
670 _OnChangedTextureID();
671}
672
673// Reserve space for a number of vertices and indices.
674// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or
675// submit the intermediate results. PrimUnreserve() can be used to release unused allocations.
676void ImDrawList::PrimReserve(int idx_count, int vtx_count)
677{
678 // Large mesh support (when enabled)
679 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
680 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset))
681 {
682 // FIXME: In theory we should be testing that vtx_count <64k here.
683 // In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us
684 // to not make that check until we rework the text functions to handle clipping and large horizontal lines better.
685 _CmdHeader.VtxOffset = VtxBuffer.Size;
686 _OnChangedVtxOffset();
687 }
688
689 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
690 draw_cmd->ElemCount += idx_count;
691
692 int vtx_buffer_old_size = VtxBuffer.Size;
693 VtxBuffer.resize(new_size: vtx_buffer_old_size + vtx_count);
694 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
695
696 int idx_buffer_old_size = IdxBuffer.Size;
697 IdxBuffer.resize(new_size: idx_buffer_old_size + idx_count);
698 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
699}
700
701// Release the number of reserved vertices/indices from the end of the last reservation made with PrimReserve().
702void ImDrawList::PrimUnreserve(int idx_count, int vtx_count)
703{
704 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
705
706 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
707 draw_cmd->ElemCount -= idx_count;
708 VtxBuffer.shrink(new_size: VtxBuffer.Size - vtx_count);
709 IdxBuffer.shrink(new_size: IdxBuffer.Size - idx_count);
710}
711
712// Fully unrolled with inline call to keep our debug builds decently fast.
713void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
714{
715 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
716 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
717 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
718 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
719 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
720 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
721 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
722 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
723 _VtxWritePtr += 4;
724 _VtxCurrentIdx += 4;
725 _IdxWritePtr += 6;
726}
727
728void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
729{
730 ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y);
731 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
732 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
733 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
734 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
735 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
736 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
737 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
738 _VtxWritePtr += 4;
739 _VtxCurrentIdx += 4;
740 _IdxWritePtr += 6;
741}
742
743void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col)
744{
745 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
746 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
747 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
748 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
749 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
750 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
751 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
752 _VtxWritePtr += 4;
753 _VtxCurrentIdx += 4;
754 _IdxWritePtr += 6;
755}
756
757// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds.
758// - Those macros expects l-values and need to be used as their own statement.
759// - Those macros are intentionally not surrounded by the 'do {} while (0)' idiom because even that translates to runtime with debug compilers.
760#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImRsqrt(d2); VX *= inv_len; VY *= inv_len; } } (void)0
761#define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366)
762#define IM_FIXNORMAL2F(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.000001f) { float inv_len2 = 1.0f / d2; if (inv_len2 > IM_FIXNORMAL2F_MAX_INVLEN2) inv_len2 = IM_FIXNORMAL2F_MAX_INVLEN2; VX *= inv_len2; VY *= inv_len2; } } (void)0
763
764// TODO: Thickness anti-aliased lines cap are missing their AA fringe.
765// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
766void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness)
767{
768 if (points_count < 2 || (col & IM_COL32_A_MASK) == 0)
769 return;
770
771 const bool closed = (flags & ImDrawFlags_Closed) != 0;
772 const ImVec2 opaque_uv = _Data->TexUvWhitePixel;
773 const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw
774 const bool thick_line = (thickness > _FringeScale);
775
776 if (Flags & ImDrawListFlags_AntiAliasedLines)
777 {
778 // Anti-aliased stroke
779 const float AA_SIZE = _FringeScale;
780 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
781
782 // Thicknesses <1.0 should behave like thickness 1.0
783 thickness = ImMax(lhs: thickness, rhs: 1.0f);
784 const int integer_thickness = (int)thickness;
785 const float fractional_thickness = thickness - integer_thickness;
786
787 // Do we want to draw this line using a texture?
788 // - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved.
789 // - If AA_SIZE is not 1.0f we cannot use the texture path.
790 const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f);
791
792 // We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off
793 IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines));
794
795 const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12);
796 const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3);
797 PrimReserve(idx_count, vtx_count);
798
799 // Temporary buffer
800 // The first <points_count> items are normals at each line point, then after that there are either 2 or 4 temp points for each line point
801 _Data->TempBuffer.reserve_discard(new_capacity: points_count * ((use_texture || !thick_line) ? 3 : 5));
802 ImVec2* temp_normals = _Data->TempBuffer.Data;
803 ImVec2* temp_points = temp_normals + points_count;
804
805 // Calculate normals (tangents) for each line segment
806 for (int i1 = 0; i1 < count; i1++)
807 {
808 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
809 float dx = points[i2].x - points[i1].x;
810 float dy = points[i2].y - points[i1].y;
811 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
812 temp_normals[i1].x = dy;
813 temp_normals[i1].y = -dx;
814 }
815 if (!closed)
816 temp_normals[points_count - 1] = temp_normals[points_count - 2];
817
818 // If we are drawing a one-pixel-wide line without a texture, or a textured line of any width, we only need 2 or 3 vertices per point
819 if (use_texture || !thick_line)
820 {
821 // [PATH 1] Texture-based lines (thick or non-thick)
822 // [PATH 2] Non texture-based lines (non-thick)
823
824 // The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA.
825 // - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture
826 // (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code.
827 // - In the non texture-based paths, we would allow AA_SIZE to potentially be != 1.0f with a patch (e.g. fringe_scale patch to
828 // allow scaling geometry while preserving one-screen-pixel AA fringe).
829 const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE;
830
831 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend
832 if (!closed)
833 {
834 temp_points[0] = points[0] + temp_normals[0] * half_draw_size;
835 temp_points[1] = points[0] - temp_normals[0] * half_draw_size;
836 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size;
837 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size;
838 }
839
840 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
841 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps)
842 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
843 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
844 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
845 {
846 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment
847 const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment
848
849 // Average normals
850 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
851 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
852 IM_FIXNORMAL2F(dm_x, dm_y);
853 dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area
854 dm_y *= half_draw_size;
855
856 // Add temporary vertexes for the outer edges
857 ImVec2* out_vtx = &temp_points[i2 * 2];
858 out_vtx[0].x = points[i2].x + dm_x;
859 out_vtx[0].y = points[i2].y + dm_y;
860 out_vtx[1].x = points[i2].x - dm_x;
861 out_vtx[1].y = points[i2].y - dm_y;
862
863 if (use_texture)
864 {
865 // Add indices for two triangles
866 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri
867 _IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri
868 _IdxWritePtr += 6;
869 }
870 else
871 {
872 // Add indexes for four triangles
873 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1
874 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2
875 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1
876 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2
877 _IdxWritePtr += 12;
878 }
879
880 idx1 = idx2;
881 }
882
883 // Add vertexes for each point on the line
884 if (use_texture)
885 {
886 // If we're using textures we only need to emit the left/right edge vertices
887 ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness];
888 /*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false!
889 {
890 const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1];
891 tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp()
892 tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness;
893 tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness;
894 tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness;
895 }*/
896 ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y);
897 ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w);
898 for (int i = 0; i < points_count; i++)
899 {
900 _VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge
901 _VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge
902 _VtxWritePtr += 2;
903 }
904 }
905 else
906 {
907 // If we're not using a texture, we need the center vertex as well
908 for (int i = 0; i < points_count; i++)
909 {
910 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line
911 _VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge
912 _VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge
913 _VtxWritePtr += 3;
914 }
915 }
916 }
917 else
918 {
919 // [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point
920 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
921
922 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend
923 if (!closed)
924 {
925 const int points_last = points_count - 1;
926 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
927 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
928 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
929 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
930 temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
931 temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness);
932 temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness);
933 temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
934 }
935
936 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
937 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps)
938 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
939 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
940 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
941 {
942 const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment
943 const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment
944
945 // Average normals
946 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
947 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
948 IM_FIXNORMAL2F(dm_x, dm_y);
949 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
950 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
951 float dm_in_x = dm_x * half_inner_thickness;
952 float dm_in_y = dm_y * half_inner_thickness;
953
954 // Add temporary vertices
955 ImVec2* out_vtx = &temp_points[i2 * 4];
956 out_vtx[0].x = points[i2].x + dm_out_x;
957 out_vtx[0].y = points[i2].y + dm_out_y;
958 out_vtx[1].x = points[i2].x + dm_in_x;
959 out_vtx[1].y = points[i2].y + dm_in_y;
960 out_vtx[2].x = points[i2].x - dm_in_x;
961 out_vtx[2].y = points[i2].y - dm_in_y;
962 out_vtx[3].x = points[i2].x - dm_out_x;
963 out_vtx[3].y = points[i2].y - dm_out_y;
964
965 // Add indexes
966 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2);
967 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1);
968 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0);
969 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1);
970 _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3);
971 _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2);
972 _IdxWritePtr += 18;
973
974 idx1 = idx2;
975 }
976
977 // Add vertices
978 for (int i = 0; i < points_count; i++)
979 {
980 _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans;
981 _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
982 _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
983 _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans;
984 _VtxWritePtr += 4;
985 }
986 }
987 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
988 }
989 else
990 {
991 // [PATH 4] Non texture-based, Non anti-aliased lines
992 const int idx_count = count * 6;
993 const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges
994 PrimReserve(idx_count, vtx_count);
995
996 for (int i1 = 0; i1 < count; i1++)
997 {
998 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
999 const ImVec2& p1 = points[i1];
1000 const ImVec2& p2 = points[i2];
1001
1002 float dx = p2.x - p1.x;
1003 float dy = p2.y - p1.y;
1004 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1005 dx *= (thickness * 0.5f);
1006 dy *= (thickness * 0.5f);
1007
1008 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col;
1009 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
1010 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
1011 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col;
1012 _VtxWritePtr += 4;
1013
1014 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2);
1015 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3);
1016 _IdxWritePtr += 6;
1017 _VtxCurrentIdx += 4;
1018 }
1019 }
1020}
1021
1022// - We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
1023// - Filled shapes must always use clockwise winding order. The anti-aliasing fringe depends on it. Counter-clockwise shapes will have "inward" anti-aliasing.
1024void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
1025{
1026 if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
1027 return;
1028
1029 const ImVec2 uv = _Data->TexUvWhitePixel;
1030
1031 if (Flags & ImDrawListFlags_AntiAliasedFill)
1032 {
1033 // Anti-aliased Fill
1034 const float AA_SIZE = _FringeScale;
1035 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
1036 const int idx_count = (points_count - 2)*3 + points_count * 6;
1037 const int vtx_count = (points_count * 2);
1038 PrimReserve(idx_count, vtx_count);
1039
1040 // Add indexes for fill
1041 unsigned int vtx_inner_idx = _VtxCurrentIdx;
1042 unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
1043 for (int i = 2; i < points_count; i++)
1044 {
1045 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1));
1046 _IdxWritePtr += 3;
1047 }
1048
1049 // Compute normals
1050 _Data->TempBuffer.reserve_discard(new_capacity: points_count);
1051 ImVec2* temp_normals = _Data->TempBuffer.Data;
1052 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1053 {
1054 const ImVec2& p0 = points[i0];
1055 const ImVec2& p1 = points[i1];
1056 float dx = p1.x - p0.x;
1057 float dy = p1.y - p0.y;
1058 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1059 temp_normals[i0].x = dy;
1060 temp_normals[i0].y = -dx;
1061 }
1062
1063 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1064 {
1065 // Average normals
1066 const ImVec2& n0 = temp_normals[i0];
1067 const ImVec2& n1 = temp_normals[i1];
1068 float dm_x = (n0.x + n1.x) * 0.5f;
1069 float dm_y = (n0.y + n1.y) * 0.5f;
1070 IM_FIXNORMAL2F(dm_x, dm_y);
1071 dm_x *= AA_SIZE * 0.5f;
1072 dm_y *= AA_SIZE * 0.5f;
1073
1074 // Add vertices
1075 _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
1076 _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
1077 _VtxWritePtr += 2;
1078
1079 // Add indexes for fringes
1080 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
1081 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
1082 _IdxWritePtr += 6;
1083 }
1084 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
1085 }
1086 else
1087 {
1088 // Non Anti-aliased Fill
1089 const int idx_count = (points_count - 2)*3;
1090 const int vtx_count = points_count;
1091 PrimReserve(idx_count, vtx_count);
1092 for (int i = 0; i < vtx_count; i++)
1093 {
1094 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
1095 _VtxWritePtr++;
1096 }
1097 for (int i = 2; i < points_count; i++)
1098 {
1099 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i);
1100 _IdxWritePtr += 3;
1101 }
1102 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
1103 }
1104}
1105
1106void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step)
1107{
1108 if (radius < 0.5f)
1109 {
1110 _Path.push_back(v: center);
1111 return;
1112 }
1113
1114 // Calculate arc auto segment step size
1115 if (a_step <= 0)
1116 a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius);
1117
1118 // Make sure we never do steps larger than one quarter of the circle
1119 a_step = ImClamp(v: a_step, mn: 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4);
1120
1121 const int sample_range = ImAbs(x: a_max_sample - a_min_sample);
1122 const int a_next_step = a_step;
1123
1124 int samples = sample_range + 1;
1125 bool extra_max_sample = false;
1126 if (a_step > 1)
1127 {
1128 samples = sample_range / a_step + 1;
1129 const int overstep = sample_range % a_step;
1130
1131 if (overstep > 0)
1132 {
1133 extra_max_sample = true;
1134 samples++;
1135
1136 // When we have overstep to avoid awkwardly looking one long line and one tiny one at the end,
1137 // distribute first step range evenly between them by reducing first step size.
1138 if (sample_range > 0)
1139 a_step -= (a_step - overstep) / 2;
1140 }
1141 }
1142
1143 _Path.resize(new_size: _Path.Size + samples);
1144 ImVec2* out_ptr = _Path.Data + (_Path.Size - samples);
1145
1146 int sample_index = a_min_sample;
1147 if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1148 {
1149 sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1150 if (sample_index < 0)
1151 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1152 }
1153
1154 if (a_max_sample >= a_min_sample)
1155 {
1156 for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step)
1157 {
1158 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1159 if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1160 sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1161
1162 const ImVec2 s = _Data->ArcFastVtx[sample_index];
1163 out_ptr->x = center.x + s.x * radius;
1164 out_ptr->y = center.y + s.y * radius;
1165 out_ptr++;
1166 }
1167 }
1168 else
1169 {
1170 for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step)
1171 {
1172 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1173 if (sample_index < 0)
1174 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1175
1176 const ImVec2 s = _Data->ArcFastVtx[sample_index];
1177 out_ptr->x = center.x + s.x * radius;
1178 out_ptr->y = center.y + s.y * radius;
1179 out_ptr++;
1180 }
1181 }
1182
1183 if (extra_max_sample)
1184 {
1185 int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1186 if (normalized_max_sample < 0)
1187 normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1188
1189 const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample];
1190 out_ptr->x = center.x + s.x * radius;
1191 out_ptr->y = center.y + s.y * radius;
1192 out_ptr++;
1193 }
1194
1195 IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr);
1196}
1197
1198void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1199{
1200 if (radius < 0.5f)
1201 {
1202 _Path.push_back(v: center);
1203 return;
1204 }
1205
1206 // Note that we are adding a point at both a_min and a_max.
1207 // If you are trying to draw a full closed circle you don't want the overlapping points!
1208 _Path.reserve(new_capacity: _Path.Size + (num_segments + 1));
1209 for (int i = 0; i <= num_segments; i++)
1210 {
1211 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1212 _Path.push_back(v: ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
1213 }
1214}
1215
1216// 0: East, 3: South, 6: West, 9: North, 12: East
1217void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
1218{
1219 if (radius < 0.5f)
1220 {
1221 _Path.push_back(v: center);
1222 return;
1223 }
1224 _PathArcToFastEx(center, radius, a_min_sample: a_min_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_max_sample: a_max_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_step: 0);
1225}
1226
1227void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1228{
1229 if (radius < 0.5f)
1230 {
1231 _Path.push_back(v: center);
1232 return;
1233 }
1234
1235 if (num_segments > 0)
1236 {
1237 _PathArcToN(center, radius, a_min, a_max, num_segments);
1238 return;
1239 }
1240
1241 // Automatic segment count
1242 if (radius <= _Data->ArcFastRadiusCutoff)
1243 {
1244 const bool a_is_reverse = a_max < a_min;
1245
1246 // We are going to use precomputed values for mid samples.
1247 // Determine first and last sample in lookup table that belong to the arc.
1248 const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f);
1249 const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f);
1250
1251 const int a_min_sample = a_is_reverse ? (int)ImFloor(f: a_min_sample_f) : (int)ImCeil(a_min_sample_f);
1252 const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloor(f: a_max_sample_f);
1253 const int a_mid_samples = a_is_reverse ? ImMax(lhs: a_min_sample - a_max_sample, rhs: 0) : ImMax(lhs: a_max_sample - a_min_sample, rhs: 0);
1254
1255 const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1256 const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1257 const bool a_emit_start = ImAbs(x: a_min_segment_angle - a_min) >= 1e-5f;
1258 const bool a_emit_end = ImAbs(x: a_max - a_max_segment_angle) >= 1e-5f;
1259
1260 _Path.reserve(new_capacity: _Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0)));
1261 if (a_emit_start)
1262 _Path.push_back(v: ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius));
1263 if (a_mid_samples > 0)
1264 _PathArcToFastEx(center, radius, a_min_sample, a_max_sample, a_step: 0);
1265 if (a_emit_end)
1266 _Path.push_back(v: ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius));
1267 }
1268 else
1269 {
1270 const float arc_length = ImAbs(x: a_max - a_min);
1271 const int circle_segment_count = _CalcCircleAutoSegmentCount(radius);
1272 const int arc_segment_count = ImMax(lhs: (int)ImCeil(circle_segment_count * arc_length / (IM_PI * 2.0f)), rhs: (int)(2.0f * IM_PI / arc_length));
1273 _PathArcToN(center, radius, a_min, a_max, num_segments: arc_segment_count);
1274 }
1275}
1276
1277void ImDrawList::PathEllipticalArcTo(const ImVec2& center, const ImVec2& radius, float rot, float a_min, float a_max, int num_segments)
1278{
1279 if (num_segments <= 0)
1280 num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1281
1282 _Path.reserve(new_capacity: _Path.Size + (num_segments + 1));
1283
1284 const float cos_rot = ImCos(rot);
1285 const float sin_rot = ImSin(rot);
1286 for (int i = 0; i <= num_segments; i++)
1287 {
1288 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1289 ImVec2 point(ImCos(a) * radius.x, ImSin(a) * radius.y);
1290 const ImVec2 rel((point.x * cos_rot) - (point.y * sin_rot), (point.x * sin_rot) + (point.y * cos_rot));
1291 point.x = rel.x + center.x;
1292 point.y = rel.y + center.y;
1293 _Path.push_back(v: point);
1294 }
1295}
1296
1297ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t)
1298{
1299 float u = 1.0f - t;
1300 float w1 = u * u * u;
1301 float w2 = 3 * u * u * t;
1302 float w3 = 3 * u * t * t;
1303 float w4 = t * t * t;
1304 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x, w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y);
1305}
1306
1307ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t)
1308{
1309 float u = 1.0f - t;
1310 float w1 = u * u;
1311 float w2 = 2 * u * t;
1312 float w3 = t * t;
1313 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y);
1314}
1315
1316// Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp
1317static void PathBezierCubicCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level)
1318{
1319 float dx = x4 - x1;
1320 float dy = y4 - y1;
1321 float d2 = (x2 - x4) * dy - (y2 - y4) * dx;
1322 float d3 = (x3 - x4) * dy - (y3 - y4) * dx;
1323 d2 = (d2 >= 0) ? d2 : -d2;
1324 d3 = (d3 >= 0) ? d3 : -d3;
1325 if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy))
1326 {
1327 path->push_back(v: ImVec2(x4, y4));
1328 }
1329 else if (level < 10)
1330 {
1331 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1332 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1333 float x34 = (x3 + x4) * 0.5f, y34 = (y3 + y4) * 0.5f;
1334 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1335 float x234 = (x23 + x34) * 0.5f, y234 = (y23 + y34) * 0.5f;
1336 float x1234 = (x123 + x234) * 0.5f, y1234 = (y123 + y234) * 0.5f;
1337 PathBezierCubicCurveToCasteljau(path, x1, y1, x2: x12, y2: y12, x3: x123, y3: y123, x4: x1234, y4: y1234, tess_tol, level: level + 1);
1338 PathBezierCubicCurveToCasteljau(path, x1: x1234, y1: y1234, x2: x234, y2: y234, x3: x34, y3: y34, x4, y4, tess_tol, level: level + 1);
1339 }
1340}
1341
1342static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level)
1343{
1344 float dx = x3 - x1, dy = y3 - y1;
1345 float det = (x2 - x3) * dy - (y2 - y3) * dx;
1346 if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy))
1347 {
1348 path->push_back(v: ImVec2(x3, y3));
1349 }
1350 else if (level < 10)
1351 {
1352 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1353 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1354 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1355 PathBezierQuadraticCurveToCasteljau(path, x1, y1, x2: x12, y2: y12, x3: x123, y3: y123, tess_tol, level: level + 1);
1356 PathBezierQuadraticCurveToCasteljau(path, x1: x123, y1: y123, x2: x23, y2: y23, x3, y3, tess_tol, level: level + 1);
1357 }
1358}
1359
1360void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
1361{
1362 ImVec2 p1 = _Path.back();
1363 if (num_segments == 0)
1364 {
1365 IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1366 PathBezierCubicCurveToCasteljau(path: &_Path, x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y, x3: p3.x, y3: p3.y, x4: p4.x, y4: p4.y, tess_tol: _Data->CurveTessellationTol, level: 0); // Auto-tessellated
1367 }
1368 else
1369 {
1370 float t_step = 1.0f / (float)num_segments;
1371 for (int i_step = 1; i_step <= num_segments; i_step++)
1372 _Path.push_back(v: ImBezierCubicCalc(p1, p2, p3, p4, t: t_step * i_step));
1373 }
1374}
1375
1376void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments)
1377{
1378 ImVec2 p1 = _Path.back();
1379 if (num_segments == 0)
1380 {
1381 IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1382 PathBezierQuadraticCurveToCasteljau(path: &_Path, x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y, x3: p3.x, y3: p3.y, tess_tol: _Data->CurveTessellationTol, level: 0);// Auto-tessellated
1383 }
1384 else
1385 {
1386 float t_step = 1.0f / (float)num_segments;
1387 for (int i_step = 1; i_step <= num_segments; i_step++)
1388 _Path.push_back(v: ImBezierQuadraticCalc(p1, p2, p3, t: t_step * i_step));
1389 }
1390}
1391
1392static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags)
1393{
1394 /*
1395 IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4));
1396#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
1397 // Obsoleted in 1.82 (from February 2021). This code was stripped/simplified and mostly commented in 1.90 (from September 2023)
1398 // - Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All)
1399 if (flags == ~0) { return ImDrawFlags_RoundCornersAll; }
1400 // - Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations). Read details in older version of this code.
1401 if (flags >= 0x01 && flags <= 0x0F) { return (flags << 4); }
1402 // We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f'
1403#endif
1404 */
1405 // If this assert triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values.
1406 // Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc. anyway.
1407 // See details in 1.82 Changelog as well as 2021/03/12 and 2023/09/08 entries in "API BREAKING CHANGES" section.
1408 IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!");
1409
1410 if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
1411 flags |= ImDrawFlags_RoundCornersAll;
1412
1413 return flags;
1414}
1415
1416void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags)
1417{
1418 if (rounding >= 0.5f)
1419 {
1420 flags = FixRectCornerFlags(flags);
1421 rounding = ImMin(lhs: rounding, ImFabs(b.x - a.x) * (((flags & ImDrawFlags_RoundCornersTop) == ImDrawFlags_RoundCornersTop) || ((flags & ImDrawFlags_RoundCornersBottom) == ImDrawFlags_RoundCornersBottom) ? 0.5f : 1.0f) - 1.0f);
1422 rounding = ImMin(lhs: rounding, ImFabs(b.y - a.y) * (((flags & ImDrawFlags_RoundCornersLeft) == ImDrawFlags_RoundCornersLeft) || ((flags & ImDrawFlags_RoundCornersRight) == ImDrawFlags_RoundCornersRight) ? 0.5f : 1.0f) - 1.0f);
1423 }
1424 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1425 {
1426 PathLineTo(pos: a);
1427 PathLineTo(pos: ImVec2(b.x, a.y));
1428 PathLineTo(pos: b);
1429 PathLineTo(pos: ImVec2(a.x, b.y));
1430 }
1431 else
1432 {
1433 const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f;
1434 const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f;
1435 const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f;
1436 const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f;
1437 PathArcToFast(center: ImVec2(a.x + rounding_tl, a.y + rounding_tl), radius: rounding_tl, a_min_of_12: 6, a_max_of_12: 9);
1438 PathArcToFast(center: ImVec2(b.x - rounding_tr, a.y + rounding_tr), radius: rounding_tr, a_min_of_12: 9, a_max_of_12: 12);
1439 PathArcToFast(center: ImVec2(b.x - rounding_br, b.y - rounding_br), radius: rounding_br, a_min_of_12: 0, a_max_of_12: 3);
1440 PathArcToFast(center: ImVec2(a.x + rounding_bl, b.y - rounding_bl), radius: rounding_bl, a_min_of_12: 3, a_max_of_12: 6);
1441 }
1442}
1443
1444void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
1445{
1446 if ((col & IM_COL32_A_MASK) == 0)
1447 return;
1448 PathLineTo(pos: p1 + ImVec2(0.5f, 0.5f));
1449 PathLineTo(pos: p2 + ImVec2(0.5f, 0.5f));
1450 PathStroke(col, flags: 0, thickness);
1451}
1452
1453// p_min = upper-left, p_max = lower-right
1454// Note we don't render 1 pixels sized rectangles properly.
1455void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness)
1456{
1457 if ((col & IM_COL32_A_MASK) == 0)
1458 return;
1459 if (Flags & ImDrawListFlags_AntiAliasedLines)
1460 PathRect(a: p_min + ImVec2(0.50f, 0.50f), b: p_max - ImVec2(0.50f, 0.50f), rounding, flags);
1461 else
1462 PathRect(a: p_min + ImVec2(0.50f, 0.50f), b: p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes.
1463 PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1464}
1465
1466void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags)
1467{
1468 if ((col & IM_COL32_A_MASK) == 0)
1469 return;
1470 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1471 {
1472 PrimReserve(idx_count: 6, vtx_count: 4);
1473 PrimRect(a: p_min, c: p_max, col);
1474 }
1475 else
1476 {
1477 PathRect(a: p_min, b: p_max, rounding, flags);
1478 PathFillConvex(col);
1479 }
1480}
1481
1482// p_min = upper-left, p_max = lower-right
1483void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
1484{
1485 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1486 return;
1487
1488 const ImVec2 uv = _Data->TexUvWhitePixel;
1489 PrimReserve(idx_count: 6, vtx_count: 4);
1490 PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 2));
1491 PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 3));
1492 PrimWriteVtx(pos: p_min, uv, col: col_upr_left);
1493 PrimWriteVtx(pos: ImVec2(p_max.x, p_min.y), uv, col: col_upr_right);
1494 PrimWriteVtx(pos: p_max, uv, col: col_bot_right);
1495 PrimWriteVtx(pos: ImVec2(p_min.x, p_max.y), uv, col: col_bot_left);
1496}
1497
1498void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
1499{
1500 if ((col & IM_COL32_A_MASK) == 0)
1501 return;
1502
1503 PathLineTo(pos: p1);
1504 PathLineTo(pos: p2);
1505 PathLineTo(pos: p3);
1506 PathLineTo(pos: p4);
1507 PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1508}
1509
1510void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
1511{
1512 if ((col & IM_COL32_A_MASK) == 0)
1513 return;
1514
1515 PathLineTo(pos: p1);
1516 PathLineTo(pos: p2);
1517 PathLineTo(pos: p3);
1518 PathLineTo(pos: p4);
1519 PathFillConvex(col);
1520}
1521
1522void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
1523{
1524 if ((col & IM_COL32_A_MASK) == 0)
1525 return;
1526
1527 PathLineTo(pos: p1);
1528 PathLineTo(pos: p2);
1529 PathLineTo(pos: p3);
1530 PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1531}
1532
1533void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
1534{
1535 if ((col & IM_COL32_A_MASK) == 0)
1536 return;
1537
1538 PathLineTo(pos: p1);
1539 PathLineTo(pos: p2);
1540 PathLineTo(pos: p3);
1541 PathFillConvex(col);
1542}
1543
1544void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1545{
1546 if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1547 return;
1548
1549 if (num_segments <= 0)
1550 {
1551 // Use arc with automatic segment count
1552 _PathArcToFastEx(center, radius: radius - 0.5f, a_min_sample: 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, a_step: 0);
1553 _Path.Size--;
1554 }
1555 else
1556 {
1557 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1558 num_segments = ImClamp(v: num_segments, mn: 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1559
1560 // Because we are filling a closed shape we remove 1 from the count of segments/points
1561 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1562 PathArcTo(center, radius: radius - 0.5f, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1563 }
1564
1565 PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1566}
1567
1568void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1569{
1570 if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1571 return;
1572
1573 if (num_segments <= 0)
1574 {
1575 // Use arc with automatic segment count
1576 _PathArcToFastEx(center, radius, a_min_sample: 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, a_step: 0);
1577 _Path.Size--;
1578 }
1579 else
1580 {
1581 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1582 num_segments = ImClamp(v: num_segments, mn: 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1583
1584 // Because we are filling a closed shape we remove 1 from the count of segments/points
1585 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1586 PathArcTo(center, radius, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1587 }
1588
1589 PathFillConvex(col);
1590}
1591
1592// Guaranteed to honor 'num_segments'
1593void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1594{
1595 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1596 return;
1597
1598 // Because we are filling a closed shape we remove 1 from the count of segments/points
1599 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1600 PathArcTo(center, radius: radius - 0.5f, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1601 PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1602}
1603
1604// Guaranteed to honor 'num_segments'
1605void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1606{
1607 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1608 return;
1609
1610 // Because we are filling a closed shape we remove 1 from the count of segments/points
1611 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1612 PathArcTo(center, radius, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1613 PathFillConvex(col);
1614}
1615
1616// Ellipse
1617void ImDrawList::AddEllipse(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments, float thickness)
1618{
1619 if ((col & IM_COL32_A_MASK) == 0)
1620 return;
1621
1622 if (num_segments <= 0)
1623 num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1624
1625 // Because we are filling a closed shape we remove 1 from the count of segments/points
1626 const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1627 PathEllipticalArcTo(center, radius, rot, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1628 PathStroke(col, flags: true, thickness);
1629}
1630
1631void ImDrawList::AddEllipseFilled(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments)
1632{
1633 if ((col & IM_COL32_A_MASK) == 0)
1634 return;
1635
1636 if (num_segments <= 0)
1637 num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1638
1639 // Because we are filling a closed shape we remove 1 from the count of segments/points
1640 const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1641 PathEllipticalArcTo(center, radius, rot, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1642 PathFillConvex(col);
1643}
1644
1645// Cubic Bezier takes 4 controls points
1646void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments)
1647{
1648 if ((col & IM_COL32_A_MASK) == 0)
1649 return;
1650
1651 PathLineTo(pos: p1);
1652 PathBezierCubicCurveTo(p2, p3, p4, num_segments);
1653 PathStroke(col, flags: 0, thickness);
1654}
1655
1656// Quadratic Bezier takes 3 controls points
1657void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments)
1658{
1659 if ((col & IM_COL32_A_MASK) == 0)
1660 return;
1661
1662 PathLineTo(pos: p1);
1663 PathBezierQuadraticCurveTo(p2, p3, num_segments);
1664 PathStroke(col, flags: 0, thickness);
1665}
1666
1667void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
1668{
1669 if ((col & IM_COL32_A_MASK) == 0)
1670 return;
1671
1672 // Accept null ranges
1673 if (text_begin == text_end || text_begin[0] == 0)
1674 return;
1675 if (text_end == NULL)
1676 text_end = text_begin + strlen(s: text_begin);
1677
1678 // Pull default font/size from the shared ImDrawListSharedData instance
1679 if (font == NULL)
1680 font = _Data->Font;
1681 if (font_size == 0.0f)
1682 font_size = _Data->FontSize;
1683
1684 IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1685
1686 ImVec4 clip_rect = _CmdHeader.ClipRect;
1687 if (cpu_fine_clip_rect)
1688 {
1689 clip_rect.x = ImMax(lhs: clip_rect.x, rhs: cpu_fine_clip_rect->x);
1690 clip_rect.y = ImMax(lhs: clip_rect.y, rhs: cpu_fine_clip_rect->y);
1691 clip_rect.z = ImMin(lhs: clip_rect.z, rhs: cpu_fine_clip_rect->z);
1692 clip_rect.w = ImMin(lhs: clip_rect.w, rhs: cpu_fine_clip_rect->w);
1693 }
1694 font->RenderText(draw_list: this, size: font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip: cpu_fine_clip_rect != NULL);
1695}
1696
1697void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1698{
1699 AddText(NULL, font_size: 0.0f, pos, col, text_begin, text_end);
1700}
1701
1702void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col)
1703{
1704 if ((col & IM_COL32_A_MASK) == 0)
1705 return;
1706
1707 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1708 if (push_texture_id)
1709 PushTextureID(texture_id: user_texture_id);
1710
1711 PrimReserve(idx_count: 6, vtx_count: 4);
1712 PrimRectUV(a: p_min, c: p_max, uv_a: uv_min, uv_c: uv_max, col);
1713
1714 if (push_texture_id)
1715 PopTextureID();
1716}
1717
1718void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col)
1719{
1720 if ((col & IM_COL32_A_MASK) == 0)
1721 return;
1722
1723 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1724 if (push_texture_id)
1725 PushTextureID(texture_id: user_texture_id);
1726
1727 PrimReserve(idx_count: 6, vtx_count: 4);
1728 PrimQuadUV(a: p1, b: p2, c: p3, d: p4, uv_a: uv1, uv_b: uv2, uv_c: uv3, uv_d: uv4, col);
1729
1730 if (push_texture_id)
1731 PopTextureID();
1732}
1733
1734void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags)
1735{
1736 if ((col & IM_COL32_A_MASK) == 0)
1737 return;
1738
1739 flags = FixRectCornerFlags(flags);
1740 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1741 {
1742 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
1743 return;
1744 }
1745
1746 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1747 if (push_texture_id)
1748 PushTextureID(texture_id: user_texture_id);
1749
1750 int vert_start_idx = VtxBuffer.Size;
1751 PathRect(a: p_min, b: p_max, rounding, flags);
1752 PathFillConvex(col);
1753 int vert_end_idx = VtxBuffer.Size;
1754 ImGui::ShadeVertsLinearUV(draw_list: this, vert_start_idx, vert_end_idx, a: p_min, b: p_max, uv_a: uv_min, uv_b: uv_max, clamp: true);
1755
1756 if (push_texture_id)
1757 PopTextureID();
1758}
1759
1760//-----------------------------------------------------------------------------
1761// [SECTION] ImTriangulator, ImDrawList concave polygon fill
1762//-----------------------------------------------------------------------------
1763// Triangulate concave polygons. Based on "Triangulation by Ear Clipping" paper, O(N^2) complexity.
1764// Reference: https://www.geometrictools.com/Documentation/TriangulationByEarClipping.pdf
1765// Provided as a convenience for user but not used by main library.
1766//-----------------------------------------------------------------------------
1767// - ImTriangulator [Internal]
1768// - AddConcavePolyFilled()
1769//-----------------------------------------------------------------------------
1770
1771enum ImTriangulatorNodeType
1772{
1773 ImTriangulatorNodeType_Convex,
1774 ImTriangulatorNodeType_Ear,
1775 ImTriangulatorNodeType_Reflex
1776};
1777
1778struct ImTriangulatorNode
1779{
1780 ImTriangulatorNodeType Type;
1781 int Index;
1782 ImVec2 Pos;
1783 ImTriangulatorNode* Next;
1784 ImTriangulatorNode* Prev;
1785
1786 void Unlink() { Next->Prev = Prev; Prev->Next = Next; }
1787};
1788
1789struct ImTriangulatorNodeSpan
1790{
1791 ImTriangulatorNode** Data = NULL;
1792 int Size = 0;
1793
1794 void push_back(ImTriangulatorNode* node) { Data[Size++] = node; }
1795 void find_erase_unsorted(int idx) { for (int i = Size - 1; i >= 0; i--) if (Data[i]->Index == idx) { Data[i] = Data[Size - 1]; Size--; return; } }
1796};
1797
1798struct ImTriangulator
1799{
1800 static int EstimateTriangleCount(int points_count) { return (points_count < 3) ? 0 : points_count - 2; }
1801 static int EstimateScratchBufferSize(int points_count) { return sizeof(ImTriangulatorNode) * points_count + sizeof(ImTriangulatorNode*) * points_count * 2; }
1802
1803 void Init(const ImVec2* points, int points_count, void* scratch_buffer);
1804 void GetNextTriangle(unsigned int out_triangle[3]); // Return relative indexes for next triangle
1805
1806 // Internal functions
1807 void BuildNodes(const ImVec2* points, int points_count);
1808 void BuildReflexes();
1809 void BuildEars();
1810 void FlipNodeList();
1811 bool IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const;
1812 void ReclassifyNode(ImTriangulatorNode* node);
1813
1814 // Internal members
1815 int _TrianglesLeft = 0;
1816 ImTriangulatorNode* _Nodes = NULL;
1817 ImTriangulatorNodeSpan _Ears;
1818 ImTriangulatorNodeSpan _Reflexes;
1819};
1820
1821// Distribute storage for nodes, ears and reflexes.
1822// FIXME-OPT: if everything is convex, we could report it to caller and let it switch to an convex renderer
1823// (this would require first building reflexes to bail to convex if empty, without even building nodes)
1824void ImTriangulator::Init(const ImVec2* points, int points_count, void* scratch_buffer)
1825{
1826 IM_ASSERT(scratch_buffer != NULL && points_count >= 3);
1827 _TrianglesLeft = EstimateTriangleCount(points_count);
1828 _Nodes = (ImTriangulatorNode*)scratch_buffer; // points_count x Node
1829 _Ears.Data = (ImTriangulatorNode**)(_Nodes + points_count); // points_count x Node*
1830 _Reflexes.Data = (ImTriangulatorNode**)(_Nodes + points_count) + points_count; // points_count x Node*
1831 BuildNodes(points, points_count);
1832 BuildReflexes();
1833 BuildEars();
1834}
1835
1836void ImTriangulator::BuildNodes(const ImVec2* points, int points_count)
1837{
1838 for (int i = 0; i < points_count; i++)
1839 {
1840 _Nodes[i].Type = ImTriangulatorNodeType_Convex;
1841 _Nodes[i].Index = i;
1842 _Nodes[i].Pos = points[i];
1843 _Nodes[i].Next = _Nodes + i + 1;
1844 _Nodes[i].Prev = _Nodes + i - 1;
1845 }
1846 _Nodes[0].Prev = _Nodes + points_count - 1;
1847 _Nodes[points_count - 1].Next = _Nodes;
1848}
1849
1850void ImTriangulator::BuildReflexes()
1851{
1852 ImTriangulatorNode* n1 = _Nodes;
1853 for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1854 {
1855 if (ImTriangleIsClockwise(a: n1->Prev->Pos, b: n1->Pos, c: n1->Next->Pos))
1856 continue;
1857 n1->Type = ImTriangulatorNodeType_Reflex;
1858 _Reflexes.push_back(node: n1);
1859 }
1860}
1861
1862void ImTriangulator::BuildEars()
1863{
1864 ImTriangulatorNode* n1 = _Nodes;
1865 for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1866 {
1867 if (n1->Type != ImTriangulatorNodeType_Convex)
1868 continue;
1869 if (!IsEar(i0: n1->Prev->Index, i1: n1->Index, i2: n1->Next->Index, v0: n1->Prev->Pos, v1: n1->Pos, v2: n1->Next->Pos))
1870 continue;
1871 n1->Type = ImTriangulatorNodeType_Ear;
1872 _Ears.push_back(node: n1);
1873 }
1874}
1875
1876void ImTriangulator::GetNextTriangle(unsigned int out_triangle[3])
1877{
1878 if (_Ears.Size == 0)
1879 {
1880 FlipNodeList();
1881
1882 ImTriangulatorNode* node = _Nodes;
1883 for (int i = _TrianglesLeft; i >= 0; i--, node = node->Next)
1884 node->Type = ImTriangulatorNodeType_Convex;
1885 _Reflexes.Size = 0;
1886 BuildReflexes();
1887 BuildEars();
1888
1889 // If we still don't have ears, it means geometry is degenerated.
1890 if (_Ears.Size == 0)
1891 {
1892 // Return first triangle available, mimicking the behavior of convex fill.
1893 IM_ASSERT(_TrianglesLeft > 0); // Geometry is degenerated
1894 _Ears.Data[0] = _Nodes;
1895 _Ears.Size = 1;
1896 }
1897 }
1898
1899 ImTriangulatorNode* ear = _Ears.Data[--_Ears.Size];
1900 out_triangle[0] = ear->Prev->Index;
1901 out_triangle[1] = ear->Index;
1902 out_triangle[2] = ear->Next->Index;
1903
1904 ear->Unlink();
1905 if (ear == _Nodes)
1906 _Nodes = ear->Next;
1907
1908 ReclassifyNode(node: ear->Prev);
1909 ReclassifyNode(node: ear->Next);
1910 _TrianglesLeft--;
1911}
1912
1913void ImTriangulator::FlipNodeList()
1914{
1915 ImTriangulatorNode* prev = _Nodes;
1916 ImTriangulatorNode* temp = _Nodes;
1917 ImTriangulatorNode* current = _Nodes->Next;
1918 prev->Next = prev;
1919 prev->Prev = prev;
1920 while (current != _Nodes)
1921 {
1922 temp = current->Next;
1923
1924 current->Next = prev;
1925 prev->Prev = current;
1926 _Nodes->Next = current;
1927 current->Prev = _Nodes;
1928
1929 prev = current;
1930 current = temp;
1931 }
1932 _Nodes = prev;
1933}
1934
1935// A triangle is an ear is no other vertex is inside it. We can test reflexes vertices only (see reference algorithm)
1936bool ImTriangulator::IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const
1937{
1938 ImTriangulatorNode** p_end = _Reflexes.Data + _Reflexes.Size;
1939 for (ImTriangulatorNode** p = _Reflexes.Data; p < p_end; p++)
1940 {
1941 ImTriangulatorNode* reflex = *p;
1942 if (reflex->Index != i0 && reflex->Index != i1 && reflex->Index != i2)
1943 if (ImTriangleContainsPoint(a: v0, b: v1, c: v2, p: reflex->Pos))
1944 return false;
1945 }
1946 return true;
1947}
1948
1949void ImTriangulator::ReclassifyNode(ImTriangulatorNode* n1)
1950{
1951 // Classify node
1952 ImTriangulatorNodeType type;
1953 const ImTriangulatorNode* n0 = n1->Prev;
1954 const ImTriangulatorNode* n2 = n1->Next;
1955 if (!ImTriangleIsClockwise(a: n0->Pos, b: n1->Pos, c: n2->Pos))
1956 type = ImTriangulatorNodeType_Reflex;
1957 else if (IsEar(i0: n0->Index, i1: n1->Index, i2: n2->Index, v0: n0->Pos, v1: n1->Pos, v2: n2->Pos))
1958 type = ImTriangulatorNodeType_Ear;
1959 else
1960 type = ImTriangulatorNodeType_Convex;
1961
1962 // Update lists when a type changes
1963 if (type == n1->Type)
1964 return;
1965 if (n1->Type == ImTriangulatorNodeType_Reflex)
1966 _Reflexes.find_erase_unsorted(idx: n1->Index);
1967 else if (n1->Type == ImTriangulatorNodeType_Ear)
1968 _Ears.find_erase_unsorted(idx: n1->Index);
1969 if (type == ImTriangulatorNodeType_Reflex)
1970 _Reflexes.push_back(node: n1);
1971 else if (type == ImTriangulatorNodeType_Ear)
1972 _Ears.push_back(node: n1);
1973 n1->Type = type;
1974}
1975
1976// Use ear-clipping algorithm to triangulate a simple polygon (no self-interaction, no holes).
1977// (Reminder: we don't perform any coarse clipping/culling in ImDrawList layer!
1978// It is up to caller to ensure not making costly calls that will be outside of visible area.
1979// As concave fill is noticeably more expensive than other primitives, be mindful of this...
1980// Caller can build AABB of points, and avoid filling if 'draw_list->_CmdHeader.ClipRect.Overlays(points_bb) == false')
1981void ImDrawList::AddConcavePolyFilled(const ImVec2* points, const int points_count, ImU32 col)
1982{
1983 if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
1984 return;
1985
1986 const ImVec2 uv = _Data->TexUvWhitePixel;
1987 ImTriangulator triangulator;
1988 unsigned int triangle[3];
1989 if (Flags & ImDrawListFlags_AntiAliasedFill)
1990 {
1991 // Anti-aliased Fill
1992 const float AA_SIZE = _FringeScale;
1993 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
1994 const int idx_count = (points_count - 2) * 3 + points_count * 6;
1995 const int vtx_count = (points_count * 2);
1996 PrimReserve(idx_count, vtx_count);
1997
1998 // Add indexes for fill
1999 unsigned int vtx_inner_idx = _VtxCurrentIdx;
2000 unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
2001
2002 _Data->TempBuffer.reserve_discard(new_capacity: (ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
2003 triangulator.Init(points, points_count, scratch_buffer: _Data->TempBuffer.Data);
2004 while (triangulator._TrianglesLeft > 0)
2005 {
2006 triangulator.GetNextTriangle(out_triangle: triangle);
2007 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (triangle[0] << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (triangle[1] << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (triangle[2] << 1));
2008 _IdxWritePtr += 3;
2009 }
2010
2011 // Compute normals
2012 _Data->TempBuffer.reserve_discard(new_capacity: points_count);
2013 ImVec2* temp_normals = _Data->TempBuffer.Data;
2014 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
2015 {
2016 const ImVec2& p0 = points[i0];
2017 const ImVec2& p1 = points[i1];
2018 float dx = p1.x - p0.x;
2019 float dy = p1.y - p0.y;
2020 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
2021 temp_normals[i0].x = dy;
2022 temp_normals[i0].y = -dx;
2023 }
2024
2025 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
2026 {
2027 // Average normals
2028 const ImVec2& n0 = temp_normals[i0];
2029 const ImVec2& n1 = temp_normals[i1];
2030 float dm_x = (n0.x + n1.x) * 0.5f;
2031 float dm_y = (n0.y + n1.y) * 0.5f;
2032 IM_FIXNORMAL2F(dm_x, dm_y);
2033 dm_x *= AA_SIZE * 0.5f;
2034 dm_y *= AA_SIZE * 0.5f;
2035
2036 // Add vertices
2037 _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
2038 _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
2039 _VtxWritePtr += 2;
2040
2041 // Add indexes for fringes
2042 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
2043 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
2044 _IdxWritePtr += 6;
2045 }
2046 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
2047 }
2048 else
2049 {
2050 // Non Anti-aliased Fill
2051 const int idx_count = (points_count - 2) * 3;
2052 const int vtx_count = points_count;
2053 PrimReserve(idx_count, vtx_count);
2054 for (int i = 0; i < vtx_count; i++)
2055 {
2056 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
2057 _VtxWritePtr++;
2058 }
2059 _Data->TempBuffer.reserve_discard(new_capacity: (ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
2060 triangulator.Init(points, points_count, scratch_buffer: _Data->TempBuffer.Data);
2061 while (triangulator._TrianglesLeft > 0)
2062 {
2063 triangulator.GetNextTriangle(out_triangle: triangle);
2064 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx + triangle[0]); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + triangle[1]); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + triangle[2]);
2065 _IdxWritePtr += 3;
2066 }
2067 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
2068 }
2069}
2070
2071//-----------------------------------------------------------------------------
2072// [SECTION] ImDrawListSplitter
2073//-----------------------------------------------------------------------------
2074// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap..
2075//-----------------------------------------------------------------------------
2076
2077void ImDrawListSplitter::ClearFreeMemory()
2078{
2079 for (int i = 0; i < _Channels.Size; i++)
2080 {
2081 if (i == _Current)
2082 memset(s: &_Channels[i], c: 0, n: sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again
2083 _Channels[i]._CmdBuffer.clear();
2084 _Channels[i]._IdxBuffer.clear();
2085 }
2086 _Current = 0;
2087 _Count = 1;
2088 _Channels.clear();
2089}
2090
2091void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count)
2092{
2093 IM_UNUSED(draw_list);
2094 IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter.");
2095 int old_channels_count = _Channels.Size;
2096 if (old_channels_count < channels_count)
2097 {
2098 _Channels.reserve(new_capacity: channels_count); // Avoid over reserving since this is likely to stay stable
2099 _Channels.resize(new_size: channels_count);
2100 }
2101 _Count = channels_count;
2102
2103 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer
2104 // The content of Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to.
2105 // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer
2106 memset(s: &_Channels[0], c: 0, n: sizeof(ImDrawChannel));
2107 for (int i = 1; i < channels_count; i++)
2108 {
2109 if (i >= old_channels_count)
2110 {
2111 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
2112 }
2113 else
2114 {
2115 _Channels[i]._CmdBuffer.resize(new_size: 0);
2116 _Channels[i]._IdxBuffer.resize(new_size: 0);
2117 }
2118 }
2119}
2120
2121void ImDrawListSplitter::Merge(ImDrawList* draw_list)
2122{
2123 // Note that we never use or rely on _Channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use.
2124 if (_Count <= 1)
2125 return;
2126
2127 SetCurrentChannel(draw_list, channel_idx: 0);
2128 draw_list->_PopUnusedDrawCmd();
2129
2130 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
2131 int new_cmd_buffer_count = 0;
2132 int new_idx_buffer_count = 0;
2133 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL;
2134 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0;
2135 for (int i = 1; i < _Count; i++)
2136 {
2137 ImDrawChannel& ch = _Channels[i];
2138 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0 && ch._CmdBuffer.back().UserCallback == NULL) // Equivalent of PopUnusedDrawCmd()
2139 ch._CmdBuffer.pop_back();
2140
2141 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL)
2142 {
2143 // Do not include ImDrawCmd_AreSequentialIdxOffset() in the compare as we rebuild IdxOffset values ourselves.
2144 // Manipulating IdxOffset (e.g. by reordering draw commands like done by RenderDimmedBackgroundBehindWindow()) is not supported within a splitter.
2145 ImDrawCmd* next_cmd = &ch._CmdBuffer[0];
2146 if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL)
2147 {
2148 // Merge previous channel last draw command with current channel first draw command if matching.
2149 last_cmd->ElemCount += next_cmd->ElemCount;
2150 idx_offset += next_cmd->ElemCount;
2151 ch._CmdBuffer.erase(it: ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges.
2152 }
2153 }
2154 if (ch._CmdBuffer.Size > 0)
2155 last_cmd = &ch._CmdBuffer.back();
2156 new_cmd_buffer_count += ch._CmdBuffer.Size;
2157 new_idx_buffer_count += ch._IdxBuffer.Size;
2158 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++)
2159 {
2160 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset;
2161 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount;
2162 }
2163 }
2164 draw_list->CmdBuffer.resize(new_size: draw_list->CmdBuffer.Size + new_cmd_buffer_count);
2165 draw_list->IdxBuffer.resize(new_size: draw_list->IdxBuffer.Size + new_idx_buffer_count);
2166
2167 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices)
2168 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count;
2169 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count;
2170 for (int i = 1; i < _Count; i++)
2171 {
2172 ImDrawChannel& ch = _Channels[i];
2173 if (int sz = ch._CmdBuffer.Size) { memcpy(dest: cmd_write, src: ch._CmdBuffer.Data, n: sz * sizeof(ImDrawCmd)); cmd_write += sz; }
2174 if (int sz = ch._IdxBuffer.Size) { memcpy(dest: idx_write, src: ch._IdxBuffer.Data, n: sz * sizeof(ImDrawIdx)); idx_write += sz; }
2175 }
2176 draw_list->_IdxWritePtr = idx_write;
2177
2178 // Ensure there's always a non-callback draw command trailing the command-buffer
2179 if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL)
2180 draw_list->AddDrawCmd();
2181
2182 // If current command is used with different settings we need to add a new command
2183 ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2184 if (curr_cmd->ElemCount == 0)
2185 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2186 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2187 draw_list->AddDrawCmd();
2188
2189 _Count = 1;
2190}
2191
2192void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
2193{
2194 IM_ASSERT(idx >= 0 && idx < _Count);
2195 if (_Current == idx)
2196 return;
2197
2198 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
2199 memcpy(dest: &_Channels.Data[_Current]._CmdBuffer, src: &draw_list->CmdBuffer, n: sizeof(draw_list->CmdBuffer));
2200 memcpy(dest: &_Channels.Data[_Current]._IdxBuffer, src: &draw_list->IdxBuffer, n: sizeof(draw_list->IdxBuffer));
2201 _Current = idx;
2202 memcpy(dest: &draw_list->CmdBuffer, src: &_Channels.Data[idx]._CmdBuffer, n: sizeof(draw_list->CmdBuffer));
2203 memcpy(dest: &draw_list->IdxBuffer, src: &_Channels.Data[idx]._IdxBuffer, n: sizeof(draw_list->IdxBuffer));
2204 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
2205
2206 // If current command is used with different settings we need to add a new command
2207 ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2208 if (curr_cmd == NULL)
2209 draw_list->AddDrawCmd();
2210 else if (curr_cmd->ElemCount == 0)
2211 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2212 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2213 draw_list->AddDrawCmd();
2214}
2215
2216//-----------------------------------------------------------------------------
2217// [SECTION] ImDrawData
2218//-----------------------------------------------------------------------------
2219
2220void ImDrawData::Clear()
2221{
2222 Valid = false;
2223 CmdListsCount = TotalIdxCount = TotalVtxCount = 0;
2224 CmdLists.resize(new_size: 0); // The ImDrawList are NOT owned by ImDrawData but e.g. by ImGuiContext, so we don't clear them.
2225 DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.0f, 0.0f);
2226 OwnerViewport = NULL;
2227}
2228
2229// Important: 'out_list' is generally going to be draw_data->CmdLists, but may be another temporary list
2230// as long at it is expected that the result will be later merged into draw_data->CmdLists[].
2231void ImGui::AddDrawListToDrawDataEx(ImDrawData* draw_data, ImVector<ImDrawList*>* out_list, ImDrawList* draw_list)
2232{
2233 if (draw_list->CmdBuffer.Size == 0)
2234 return;
2235 if (draw_list->CmdBuffer.Size == 1 && draw_list->CmdBuffer[0].ElemCount == 0 && draw_list->CmdBuffer[0].UserCallback == NULL)
2236 return;
2237
2238 // Draw list sanity check. Detect mismatch between PrimReserve() calls and incrementing _VtxCurrentIdx, _VtxWritePtr etc.
2239 // May trigger for you if you are using PrimXXX functions incorrectly.
2240 IM_ASSERT(draw_list->VtxBuffer.Size == 0 || draw_list->_VtxWritePtr == draw_list->VtxBuffer.Data + draw_list->VtxBuffer.Size);
2241 IM_ASSERT(draw_list->IdxBuffer.Size == 0 || draw_list->_IdxWritePtr == draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size);
2242 if (!(draw_list->Flags & ImDrawListFlags_AllowVtxOffset))
2243 IM_ASSERT((int)draw_list->_VtxCurrentIdx == draw_list->VtxBuffer.Size);
2244
2245 // Check that draw_list doesn't use more vertices than indexable (default ImDrawIdx = unsigned short = 2 bytes = 64K vertices per ImDrawList = per window)
2246 // If this assert triggers because you are drawing lots of stuff manually:
2247 // - First, make sure you are coarse clipping yourself and not trying to draw many things outside visible bounds.
2248 // Be mindful that the lower-level ImDrawList API doesn't filter vertices. Use the Metrics/Debugger window to inspect draw list contents.
2249 // - If you want large meshes with more than 64K vertices, you can either:
2250 // (A) Handle the ImDrawCmd::VtxOffset value in your renderer backend, and set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset'.
2251 // Most example backends already support this from 1.71. Pre-1.71 backends won't.
2252 // Some graphics API such as GL ES 1/2 don't have a way to offset the starting vertex so it is not supported for them.
2253 // (B) Or handle 32-bit indices in your renderer backend, and uncomment '#define ImDrawIdx unsigned int' line in imconfig.h.
2254 // Most example backends already support this. For example, the OpenGL example code detect index size at compile-time:
2255 // glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer_offset);
2256 // Your own engine or render API may use different parameters or function calls to specify index sizes.
2257 // 2 and 4 bytes indices are generally supported by most graphics API.
2258 // - If for some reason neither of those solutions works for you, a workaround is to call BeginChild()/EndChild() before reaching
2259 // the 64K limit to split your draw commands in multiple draw lists.
2260 if (sizeof(ImDrawIdx) == 2)
2261 IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above");
2262
2263 // Resolve callback data pointers
2264 if (draw_list->_CallbacksDataBuf.Size > 0)
2265 for (ImDrawCmd& cmd : draw_list->CmdBuffer)
2266 if (cmd.UserCallback != NULL && cmd.UserCallbackDataOffset != -1 && cmd.UserCallbackDataSize > 0)
2267 cmd.UserCallbackData = draw_list->_CallbacksDataBuf.Data + cmd.UserCallbackDataOffset;
2268
2269 // Add to output list + records state in ImDrawData
2270 out_list->push_back(v: draw_list);
2271 draw_data->CmdListsCount++;
2272 draw_data->TotalVtxCount += draw_list->VtxBuffer.Size;
2273 draw_data->TotalIdxCount += draw_list->IdxBuffer.Size;
2274}
2275
2276void ImDrawData::AddDrawList(ImDrawList* draw_list)
2277{
2278 IM_ASSERT(CmdLists.Size == CmdListsCount);
2279 draw_list->_PopUnusedDrawCmd();
2280 ImGui::AddDrawListToDrawDataEx(draw_data: this, out_list: &CmdLists, draw_list);
2281}
2282
2283// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering!
2284void ImDrawData::DeIndexAllBuffers()
2285{
2286 ImVector<ImDrawVert> new_vtx_buffer;
2287 TotalVtxCount = TotalIdxCount = 0;
2288 for (int i = 0; i < CmdListsCount; i++)
2289 {
2290 ImDrawList* cmd_list = CmdLists[i];
2291 if (cmd_list->IdxBuffer.empty())
2292 continue;
2293 new_vtx_buffer.resize(new_size: cmd_list->IdxBuffer.Size);
2294 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
2295 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
2296 cmd_list->VtxBuffer.swap(rhs&: new_vtx_buffer);
2297 cmd_list->IdxBuffer.resize(new_size: 0);
2298 TotalVtxCount += cmd_list->VtxBuffer.Size;
2299 }
2300}
2301
2302// Helper to scale the ClipRect field of each ImDrawCmd.
2303// Use if your final output buffer is at a different scale than draw_data->DisplaySize,
2304// or if there is a difference between your window resolution and framebuffer resolution.
2305void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
2306{
2307 for (ImDrawList* draw_list : CmdLists)
2308 for (ImDrawCmd& cmd : draw_list->CmdBuffer)
2309 cmd.ClipRect = ImVec4(cmd.ClipRect.x * fb_scale.x, cmd.ClipRect.y * fb_scale.y, cmd.ClipRect.z * fb_scale.x, cmd.ClipRect.w * fb_scale.y);
2310}
2311
2312//-----------------------------------------------------------------------------
2313// [SECTION] Helpers ShadeVertsXXX functions
2314//-----------------------------------------------------------------------------
2315
2316// Generic linear color gradient, write to RGB fields, leave A untouched.
2317void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
2318{
2319 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
2320 float gradient_inv_length2 = 1.0f / ImLengthSqr(lhs: gradient_extent);
2321 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2322 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2323 const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF;
2324 const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF;
2325 const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF;
2326 const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r;
2327 const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g;
2328 const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b;
2329 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
2330 {
2331 float d = ImDot(a: vert->pos - gradient_p0, b: gradient_extent);
2332 float t = ImClamp(v: d * gradient_inv_length2, mn: 0.0f, mx: 1.0f);
2333 int r = (int)(col0_r + col_delta_r * t);
2334 int g = (int)(col0_g + col_delta_g * t);
2335 int b = (int)(col0_b + col_delta_b * t);
2336 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
2337 }
2338}
2339
2340// Distribute UV over (a, b) rectangle
2341void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
2342{
2343 const ImVec2 size = b - a;
2344 const ImVec2 uv_size = uv_b - uv_a;
2345 const ImVec2 scale = ImVec2(
2346 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
2347 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
2348
2349 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2350 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2351 if (clamp)
2352 {
2353 const ImVec2 min = ImMin(lhs: uv_a, rhs: uv_b);
2354 const ImVec2 max = ImMax(lhs: uv_a, rhs: uv_b);
2355 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2356 vertex->uv = ImClamp(v: uv_a + ImMul(lhs: ImVec2(vertex->pos.x, vertex->pos.y) - a, rhs: scale), mn: min, mx: max);
2357 }
2358 else
2359 {
2360 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2361 vertex->uv = uv_a + ImMul(lhs: ImVec2(vertex->pos.x, vertex->pos.y) - a, rhs: scale);
2362 }
2363}
2364
2365void ImGui::ShadeVertsTransformPos(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& pivot_in, float cos_a, float sin_a, const ImVec2& pivot_out)
2366{
2367 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2368 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2369 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2370 vertex->pos = ImRotate(v: vertex->pos- pivot_in, cos_a, sin_a) + pivot_out;
2371}
2372
2373//-----------------------------------------------------------------------------
2374// [SECTION] ImFontConfig
2375//-----------------------------------------------------------------------------
2376
2377ImFontConfig::ImFontConfig()
2378{
2379 memset(s: this, c: 0, n: sizeof(*this));
2380 FontDataOwnedByAtlas = true;
2381 OversampleH = 2;
2382 OversampleV = 1;
2383 GlyphMaxAdvanceX = FLT_MAX;
2384 RasterizerMultiply = 1.0f;
2385 RasterizerDensity = 1.0f;
2386 EllipsisChar = (ImWchar)-1;
2387}
2388
2389//-----------------------------------------------------------------------------
2390// [SECTION] ImFontAtlas
2391//-----------------------------------------------------------------------------
2392
2393// A work of art lies ahead! (. = white layer, X = black layer, others are blank)
2394// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
2395// (This is used when io.MouseDrawCursor = true)
2396const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 122; // Actual texture will be 2 times that + 1 spacing.
2397const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
2398static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
2399{
2400 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX - XX XX "
2401 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X -X..X X..X"
2402 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X -X...X X...X"
2403 "X - X.X - X.....X - X.....X -X...X - X...X- X..X - X...X X...X "
2404 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X - X...X...X "
2405 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX - X.....X "
2406 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX - X...X "
2407 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX - X.X "
2408 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X - X...X "
2409 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X- X.....X "
2410 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X- X...X...X "
2411 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X- X...X X...X "
2412 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X-X...X X...X"
2413 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X-X..X X..X"
2414 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X- XX XX "
2415 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X--------------"
2416 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X - "
2417 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X - "
2418 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X - "
2419 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X - "
2420 " X..X - - X...X - X...X - X..X X..X - - X........X - "
2421 " XX - - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX - "
2422 "------------- - X - X -X.....................X- ------------------- "
2423 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
2424 " - X..X X..X - "
2425 " - X.X X.X - "
2426 " - XX XX - "
2427};
2428
2429static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
2430{
2431 // Pos ........ Size ......... Offset ......
2432 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
2433 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
2434 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
2435 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
2436 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
2437 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
2438 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
2439 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
2440 { ImVec2(109,0),ImVec2(13,15), ImVec2( 6, 7) }, // ImGuiMouseCursor_NotAllowed
2441};
2442
2443ImFontAtlas::ImFontAtlas()
2444{
2445 memset(s: this, c: 0, n: sizeof(*this));
2446 TexGlyphPadding = 1;
2447 PackIdMouseCursors = PackIdLines = -1;
2448}
2449
2450ImFontAtlas::~ImFontAtlas()
2451{
2452 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2453 Clear();
2454}
2455
2456void ImFontAtlas::ClearInputData()
2457{
2458 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2459 for (ImFontConfig& font_cfg : ConfigData)
2460 if (font_cfg.FontData && font_cfg.FontDataOwnedByAtlas)
2461 {
2462 IM_FREE(font_cfg.FontData);
2463 font_cfg.FontData = NULL;
2464 }
2465
2466 // When clearing this we lose access to the font name and other information used to build the font.
2467 for (ImFont* font : Fonts)
2468 if (font->ConfigData >= ConfigData.Data && font->ConfigData < ConfigData.Data + ConfigData.Size)
2469 {
2470 font->ConfigData = NULL;
2471 font->ConfigDataCount = 0;
2472 }
2473 ConfigData.clear();
2474 CustomRects.clear();
2475 PackIdMouseCursors = PackIdLines = -1;
2476 // Important: we leave TexReady untouched
2477}
2478
2479void ImFontAtlas::ClearTexData()
2480{
2481 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2482 if (TexPixelsAlpha8)
2483 IM_FREE(TexPixelsAlpha8);
2484 if (TexPixelsRGBA32)
2485 IM_FREE(TexPixelsRGBA32);
2486 TexPixelsAlpha8 = NULL;
2487 TexPixelsRGBA32 = NULL;
2488 TexPixelsUseColors = false;
2489 // Important: we leave TexReady untouched
2490}
2491
2492void ImFontAtlas::ClearFonts()
2493{
2494 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2495 Fonts.clear_delete();
2496 TexReady = false;
2497}
2498
2499void ImFontAtlas::Clear()
2500{
2501 ClearInputData();
2502 ClearTexData();
2503 ClearFonts();
2504}
2505
2506void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2507{
2508 // Build atlas on demand
2509 if (TexPixelsAlpha8 == NULL)
2510 Build();
2511
2512 *out_pixels = TexPixelsAlpha8;
2513 if (out_width) *out_width = TexWidth;
2514 if (out_height) *out_height = TexHeight;
2515 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
2516}
2517
2518void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2519{
2520 // Convert to RGBA32 format on demand
2521 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
2522 if (!TexPixelsRGBA32)
2523 {
2524 unsigned char* pixels = NULL;
2525 GetTexDataAsAlpha8(out_pixels: &pixels, NULL, NULL);
2526 if (pixels)
2527 {
2528 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4);
2529 const unsigned char* src = pixels;
2530 unsigned int* dst = TexPixelsRGBA32;
2531 for (int n = TexWidth * TexHeight; n > 0; n--)
2532 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
2533 }
2534 }
2535
2536 *out_pixels = (unsigned char*)TexPixelsRGBA32;
2537 if (out_width) *out_width = TexWidth;
2538 if (out_height) *out_height = TexHeight;
2539 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
2540}
2541
2542ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
2543{
2544 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2545 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
2546 IM_ASSERT(font_cfg->SizePixels > 0.0f && "Is ImFontConfig struct correctly initialized?");
2547 IM_ASSERT(font_cfg->OversampleH > 0 && font_cfg->OversampleV > 0 && "Is ImFontConfig struct correctly initialized?");
2548 IM_ASSERT(font_cfg->RasterizerDensity > 0.0f);
2549
2550 // Create new font
2551 if (!font_cfg->MergeMode)
2552 Fonts.push_back(IM_NEW(ImFont));
2553 else
2554 IM_ASSERT(Fonts.Size > 0 && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font.
2555
2556 ConfigData.push_back(v: *font_cfg);
2557 ImFontConfig& new_font_cfg = ConfigData.back();
2558 if (new_font_cfg.DstFont == NULL)
2559 new_font_cfg.DstFont = Fonts.back();
2560 if (!new_font_cfg.FontDataOwnedByAtlas)
2561 {
2562 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize);
2563 new_font_cfg.FontDataOwnedByAtlas = true;
2564 memcpy(dest: new_font_cfg.FontData, src: font_cfg->FontData, n: (size_t)new_font_cfg.FontDataSize);
2565 }
2566
2567 // Round font size
2568 // - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
2569 // - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
2570 // - We may support it better later and remove this rounding.
2571 new_font_cfg.SizePixels = ImTrunc(f: new_font_cfg.SizePixels);
2572
2573 if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
2574 new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
2575
2576 // Pointers to ConfigData and BuilderData are otherwise dangling
2577 ImFontAtlasUpdateConfigDataPointers(atlas: this);
2578
2579 // Invalidate texture
2580 TexReady = false;
2581 ClearTexData();
2582 return new_font_cfg.DstFont;
2583}
2584
2585// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
2586static unsigned int stb_decompress_length(const unsigned char* input);
2587static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length);
2588static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
2589static void Decode85(const unsigned char* src, unsigned char* dst)
2590{
2591 while (*src)
2592 {
2593 unsigned int tmp = Decode85Byte(c: src[0]) + 85 * (Decode85Byte(c: src[1]) + 85 * (Decode85Byte(c: src[2]) + 85 * (Decode85Byte(c: src[3]) + 85 * Decode85Byte(c: src[4]))));
2594 dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianness.
2595 src += 5;
2596 dst += 4;
2597 }
2598}
2599#ifndef IMGUI_DISABLE_DEFAULT_FONT
2600static const char* GetDefaultCompressedFontDataTTF(int* out_size);
2601#endif
2602
2603// Load embedded ProggyClean.ttf at size 13, disable oversampling
2604ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
2605{
2606#ifndef IMGUI_DISABLE_DEFAULT_FONT
2607 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2608 if (!font_cfg_template)
2609 {
2610 font_cfg.OversampleH = font_cfg.OversampleV = 1;
2611 font_cfg.PixelSnapH = true;
2612 }
2613 if (font_cfg.SizePixels <= 0.0f)
2614 font_cfg.SizePixels = 13.0f * 1.0f;
2615 if (font_cfg.Name[0] == '\0')
2616 ImFormatString(buf: font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), fmt: "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
2617 font_cfg.EllipsisChar = (ImWchar)0x0085;
2618 font_cfg.GlyphOffset.y = 1.0f * IM_TRUNC(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units
2619
2620 int ttf_compressed_size = 0;
2621 const char* ttf_compressed = GetDefaultCompressedFontDataTTF(out_size: &ttf_compressed_size);
2622 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
2623 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_font_data: ttf_compressed, compressed_font_data_size: ttf_compressed_size, size_pixels: font_cfg.SizePixels, font_cfg: &font_cfg, glyph_ranges);
2624 return font;
2625#else
2626 IM_ASSERT(0 && "AddFontDefault() disabled in this build.");
2627 IM_UNUSED(font_cfg_template);
2628 return NULL;
2629#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
2630}
2631
2632ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2633{
2634 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2635 size_t data_size = 0;
2636 void* data = ImFileLoadToMemory(filename, mode: "rb", out_file_size: &data_size, padding_bytes: 0);
2637 if (!data)
2638 {
2639 IM_ASSERT_USER_ERROR(0, "Could not load font file!");
2640 return NULL;
2641 }
2642 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2643 if (font_cfg.Name[0] == '\0')
2644 {
2645 // Store a short copy of filename into into the font name for convenience
2646 const char* p;
2647 for (p = filename + strlen(s: filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
2648 ImFormatString(buf: font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), fmt: "%s, %.0fpx", p, size_pixels);
2649 }
2650 return AddFontFromMemoryTTF(font_data: data, font_data_size: (int)data_size, size_pixels, font_cfg: &font_cfg, glyph_ranges);
2651}
2652
2653// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
2654ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* font_data, int font_data_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2655{
2656 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2657 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2658 IM_ASSERT(font_cfg.FontData == NULL);
2659 IM_ASSERT(font_data_size > 100 && "Incorrect value for font_data_size!"); // Heuristic to prevent accidentally passing a wrong value to font_data_size.
2660 font_cfg.FontData = font_data;
2661 font_cfg.FontDataSize = font_data_size;
2662 font_cfg.SizePixels = size_pixels > 0.0f ? size_pixels : font_cfg.SizePixels;
2663 if (glyph_ranges)
2664 font_cfg.GlyphRanges = glyph_ranges;
2665 return AddFont(font_cfg: &font_cfg);
2666}
2667
2668ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2669{
2670 const unsigned int buf_decompressed_size = stb_decompress_length(input: (const unsigned char*)compressed_ttf_data);
2671 unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size);
2672 stb_decompress(output: buf_decompressed_data, input: (const unsigned char*)compressed_ttf_data, length: (unsigned int)compressed_ttf_size);
2673
2674 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2675 IM_ASSERT(font_cfg.FontData == NULL);
2676 font_cfg.FontDataOwnedByAtlas = true;
2677 return AddFontFromMemoryTTF(font_data: buf_decompressed_data, font_data_size: (int)buf_decompressed_size, size_pixels, font_cfg_template: &font_cfg, glyph_ranges);
2678}
2679
2680ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
2681{
2682 int compressed_ttf_size = (((int)strlen(s: compressed_ttf_data_base85) + 4) / 5) * 4;
2683 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size);
2684 Decode85(src: (const unsigned char*)compressed_ttf_data_base85, dst: (unsigned char*)compressed_ttf);
2685 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf_data: compressed_ttf, compressed_ttf_size, size_pixels, font_cfg_template: font_cfg, glyph_ranges);
2686 IM_FREE(compressed_ttf);
2687 return font;
2688}
2689
2690int ImFontAtlas::AddCustomRectRegular(int width, int height)
2691{
2692 IM_ASSERT(width > 0 && width <= 0xFFFF);
2693 IM_ASSERT(height > 0 && height <= 0xFFFF);
2694 ImFontAtlasCustomRect r;
2695 r.Width = (unsigned short)width;
2696 r.Height = (unsigned short)height;
2697 CustomRects.push_back(v: r);
2698 return CustomRects.Size - 1; // Return index
2699}
2700
2701int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
2702{
2703#ifdef IMGUI_USE_WCHAR32
2704 IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX);
2705#endif
2706 IM_ASSERT(font != NULL);
2707 IM_ASSERT(width > 0 && width <= 0xFFFF);
2708 IM_ASSERT(height > 0 && height <= 0xFFFF);
2709 ImFontAtlasCustomRect r;
2710 r.Width = (unsigned short)width;
2711 r.Height = (unsigned short)height;
2712 r.GlyphID = id;
2713 r.GlyphColored = 0; // Set to 1 manually to mark glyph as colored // FIXME: No official API for that (#8133)
2714 r.GlyphAdvanceX = advance_x;
2715 r.GlyphOffset = offset;
2716 r.Font = font;
2717 CustomRects.push_back(v: r);
2718 return CustomRects.Size - 1; // Return index
2719}
2720
2721void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
2722{
2723 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
2724 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
2725 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
2726 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
2727}
2728
2729bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
2730{
2731 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
2732 return false;
2733 if (Flags & ImFontAtlasFlags_NoMouseCursors)
2734 return false;
2735
2736 IM_ASSERT(PackIdMouseCursors != -1);
2737 ImFontAtlasCustomRect* r = GetCustomRectByIndex(index: PackIdMouseCursors);
2738 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r->X, (float)r->Y);
2739 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
2740 *out_size = size;
2741 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
2742 out_uv_border[0] = (pos) * TexUvScale;
2743 out_uv_border[1] = (pos + size) * TexUvScale;
2744 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
2745 out_uv_fill[0] = (pos) * TexUvScale;
2746 out_uv_fill[1] = (pos + size) * TexUvScale;
2747 return true;
2748}
2749
2750bool ImFontAtlas::Build()
2751{
2752 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2753
2754 // Default font is none are specified
2755 if (ConfigData.Size == 0)
2756 AddFontDefault();
2757
2758 // Select builder
2759 // - Note that we do not reassign to atlas->FontBuilderIO, since it is likely to point to static data which
2760 // may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are
2761 // using a hot-reloading scheme that messes up static data, store your own instance of ImFontBuilderIO somewhere
2762 // and point to it instead of pointing directly to return value of the GetBuilderXXX functions.
2763 const ImFontBuilderIO* builder_io = FontBuilderIO;
2764 if (builder_io == NULL)
2765 {
2766#ifdef IMGUI_ENABLE_FREETYPE
2767 builder_io = ImGuiFreeType::GetBuilderForFreeType();
2768#elif defined(IMGUI_ENABLE_STB_TRUETYPE)
2769 builder_io = ImFontAtlasGetBuilderForStbTruetype();
2770#else
2771 IM_ASSERT(0); // Invalid Build function
2772#endif
2773 }
2774
2775 // Build
2776 return builder_io->FontBuilder_Build(this);
2777}
2778
2779void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
2780{
2781 for (unsigned int i = 0; i < 256; i++)
2782 {
2783 unsigned int value = (unsigned int)(i * in_brighten_factor);
2784 out_table[i] = value > 255 ? 255 : (value & 0xFF);
2785 }
2786}
2787
2788void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
2789{
2790 IM_ASSERT_PARANOID(w <= stride);
2791 unsigned char* data = pixels + x + y * stride;
2792 for (int j = h; j > 0; j--, data += stride - w)
2793 for (int i = w; i > 0; i--, data++)
2794 *data = table[*data];
2795}
2796
2797#ifdef IMGUI_ENABLE_STB_TRUETYPE
2798// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
2799// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
2800struct ImFontBuildSrcData
2801{
2802 stbtt_fontinfo FontInfo;
2803 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
2804 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
2805 stbtt_packedchar* PackedChars; // Output glyphs
2806 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
2807 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
2808 int GlyphsHighest; // Highest requested codepoint
2809 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
2810 ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
2811 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsSet)
2812};
2813
2814// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
2815struct ImFontBuildDstData
2816{
2817 int SrcCount; // Number of source fonts targeting this destination font.
2818 int GlyphsHighest;
2819 int GlyphsCount;
2820 ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
2821};
2822
2823static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out)
2824{
2825 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
2826 const ImU32* it_begin = in->Storage.begin();
2827 const ImU32* it_end = in->Storage.end();
2828 for (const ImU32* it = it_begin; it < it_end; it++)
2829 if (ImU32 entries_32 = *it)
2830 for (ImU32 bit_n = 0; bit_n < 32; bit_n++)
2831 if (entries_32 & ((ImU32)1 << bit_n))
2832 out->push_back(v: (int)(((it - it_begin) << 5) + bit_n));
2833}
2834
2835static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
2836{
2837 IM_ASSERT(atlas->ConfigData.Size > 0);
2838
2839 ImFontAtlasBuildInit(atlas);
2840
2841 // Clear atlas
2842 atlas->TexID = (ImTextureID)NULL;
2843 atlas->TexWidth = atlas->TexHeight = 0;
2844 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
2845 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
2846 atlas->ClearTexData();
2847
2848 // Temporary storage for building
2849 ImVector<ImFontBuildSrcData> src_tmp_array;
2850 ImVector<ImFontBuildDstData> dst_tmp_array;
2851 src_tmp_array.resize(new_size: atlas->ConfigData.Size);
2852 dst_tmp_array.resize(new_size: atlas->Fonts.Size);
2853 memset(s: src_tmp_array.Data, c: 0, n: (size_t)src_tmp_array.size_in_bytes());
2854 memset(s: dst_tmp_array.Data, c: 0, n: (size_t)dst_tmp_array.size_in_bytes());
2855
2856 // 1. Initialize font loading structure, check font data validity
2857 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
2858 {
2859 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2860 ImFontConfig& cfg = atlas->ConfigData[src_i];
2861 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
2862
2863 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
2864 src_tmp.DstIndex = -1;
2865 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
2866 if (cfg.DstFont == atlas->Fonts[output_i])
2867 src_tmp.DstIndex = output_i;
2868 if (src_tmp.DstIndex == -1)
2869 {
2870 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
2871 return false;
2872 }
2873 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
2874 const int font_offset = stbtt_GetFontOffsetForIndex(data: (unsigned char*)cfg.FontData, index: cfg.FontNo);
2875 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
2876 if (!stbtt_InitFont(info: &src_tmp.FontInfo, data: (unsigned char*)cfg.FontData, offset: font_offset))
2877 {
2878 IM_ASSERT(0 && "stbtt_InitFont(): failed to parse FontData. It is correct and complete? Check FontDataSize.");
2879 return false;
2880 }
2881
2882 // Measure highest codepoints
2883 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2884 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
2885 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2886 {
2887 // Check for valid range. This may also help detect *some* dangling pointers, because a common
2888 // user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent,
2889 // or to forget to zero-terminate the glyph range array.
2890 IM_ASSERT(src_range[0] <= src_range[1] && "Invalid range: is your glyph range array persistent? it is zero-terminated?");
2891 src_tmp.GlyphsHighest = ImMax(lhs: src_tmp.GlyphsHighest, rhs: (int)src_range[1]);
2892 }
2893 dst_tmp.SrcCount++;
2894 dst_tmp.GlyphsHighest = ImMax(lhs: dst_tmp.GlyphsHighest, rhs: src_tmp.GlyphsHighest);
2895 }
2896
2897 // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs.
2898 int total_glyphs_count = 0;
2899 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2900 {
2901 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2902 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2903 src_tmp.GlyphsSet.Create(sz: src_tmp.GlyphsHighest + 1);
2904 if (dst_tmp.GlyphsSet.Storage.empty())
2905 dst_tmp.GlyphsSet.Create(sz: dst_tmp.GlyphsHighest + 1);
2906
2907 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2908 for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
2909 {
2910 if (dst_tmp.GlyphsSet.TestBit(n: codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
2911 continue;
2912 if (!stbtt_FindGlyphIndex(info: &src_tmp.FontInfo, unicode_codepoint: codepoint)) // It is actually in the font?
2913 continue;
2914
2915 // Add to avail set/counters
2916 src_tmp.GlyphsCount++;
2917 dst_tmp.GlyphsCount++;
2918 src_tmp.GlyphsSet.SetBit(codepoint);
2919 dst_tmp.GlyphsSet.SetBit(codepoint);
2920 total_glyphs_count++;
2921 }
2922 }
2923
2924 // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another)
2925 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2926 {
2927 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2928 src_tmp.GlyphsList.reserve(new_capacity: src_tmp.GlyphsCount);
2929 UnpackBitVectorToFlatIndexList(in: &src_tmp.GlyphsSet, out: &src_tmp.GlyphsList);
2930 src_tmp.GlyphsSet.Clear();
2931 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
2932 }
2933 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
2934 dst_tmp_array[dst_i].GlyphsSet.Clear();
2935 dst_tmp_array.clear();
2936
2937 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
2938 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
2939 ImVector<stbrp_rect> buf_rects;
2940 ImVector<stbtt_packedchar> buf_packedchars;
2941 buf_rects.resize(new_size: total_glyphs_count);
2942 buf_packedchars.resize(new_size: total_glyphs_count);
2943 memset(s: buf_rects.Data, c: 0, n: (size_t)buf_rects.size_in_bytes());
2944 memset(s: buf_packedchars.Data, c: 0, n: (size_t)buf_packedchars.size_in_bytes());
2945
2946 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
2947 int total_surface = 0;
2948 int buf_rects_out_n = 0;
2949 int buf_packedchars_out_n = 0;
2950 const int pack_padding = atlas->TexGlyphPadding;
2951 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2952 {
2953 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2954 if (src_tmp.GlyphsCount == 0)
2955 continue;
2956
2957 src_tmp.Rects = &buf_rects[buf_rects_out_n];
2958 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
2959 buf_rects_out_n += src_tmp.GlyphsCount;
2960 buf_packedchars_out_n += src_tmp.GlyphsCount;
2961
2962 // Convert our ranges in the format stb_truetype wants
2963 ImFontConfig& cfg = atlas->ConfigData[src_i];
2964 src_tmp.PackRange.font_size = cfg.SizePixels * cfg.RasterizerDensity;
2965 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
2966 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
2967 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
2968 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
2969 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
2970 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
2971
2972 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
2973 const float scale = (cfg.SizePixels > 0.0f) ? stbtt_ScaleForPixelHeight(info: &src_tmp.FontInfo, height: cfg.SizePixels * cfg.RasterizerDensity) : stbtt_ScaleForMappingEmToPixels(info: &src_tmp.FontInfo, pixels: -cfg.SizePixels * cfg.RasterizerDensity);
2974 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
2975 {
2976 int x0, y0, x1, y1;
2977 const int glyph_index_in_font = stbtt_FindGlyphIndex(info: &src_tmp.FontInfo, unicode_codepoint: src_tmp.GlyphsList[glyph_i]);
2978 IM_ASSERT(glyph_index_in_font != 0);
2979 stbtt_GetGlyphBitmapBoxSubpixel(font: &src_tmp.FontInfo, glyph: glyph_index_in_font, scale_x: scale * cfg.OversampleH, scale_y: scale * cfg.OversampleV, shift_x: 0, shift_y: 0, ix0: &x0, iy0: &y0, ix1: &x1, iy1: &y1);
2980 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + pack_padding + cfg.OversampleH - 1);
2981 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + pack_padding + cfg.OversampleV - 1);
2982 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
2983 }
2984 }
2985 for (int i = 0; i < atlas->CustomRects.Size; i++)
2986 total_surface += (atlas->CustomRects[i].Width + pack_padding) * (atlas->CustomRects[i].Height + pack_padding);
2987
2988 // We need a width for the skyline algorithm, any width!
2989 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
2990 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
2991 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
2992 atlas->TexHeight = 0;
2993 if (atlas->TexDesiredWidth > 0)
2994 atlas->TexWidth = atlas->TexDesiredWidth;
2995 else
2996 atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512;
2997
2998 // 5. Start packing
2999 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
3000 const int TEX_HEIGHT_MAX = 1024 * 32;
3001 stbtt_pack_context spc = {};
3002 stbtt_PackBegin(spc: &spc, NULL, pw: atlas->TexWidth, ph: TEX_HEIGHT_MAX, stride_in_bytes: 0, padding: 0, NULL);
3003 spc.padding = atlas->TexGlyphPadding; // Because we mixup stbtt_PackXXX and stbrp_PackXXX there's a bit of a hack here, not passing the value to stbtt_PackBegin() allows us to still pack a TexWidth-1 wide item. (#8107)
3004 ImFontAtlasBuildPackCustomRects(atlas, stbrp_context_opaque: spc.pack_info);
3005
3006 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
3007 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3008 {
3009 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3010 if (src_tmp.GlyphsCount == 0)
3011 continue;
3012
3013 stbrp_pack_rects(context: (stbrp_context*)spc.pack_info, rects: src_tmp.Rects, num_rects: src_tmp.GlyphsCount);
3014
3015 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
3016 // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?)
3017 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
3018 if (src_tmp.Rects[glyph_i].was_packed)
3019 atlas->TexHeight = ImMax(lhs: atlas->TexHeight, rhs: src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
3020 }
3021
3022 // 7. Allocate texture
3023 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(v: atlas->TexHeight);
3024 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
3025 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
3026 memset(s: atlas->TexPixelsAlpha8, c: 0, n: atlas->TexWidth * atlas->TexHeight);
3027 spc.pixels = atlas->TexPixelsAlpha8;
3028 spc.height = atlas->TexHeight;
3029
3030 // 8. Render/rasterize font characters into the texture
3031 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3032 {
3033 ImFontConfig& cfg = atlas->ConfigData[src_i];
3034 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3035 if (src_tmp.GlyphsCount == 0)
3036 continue;
3037
3038 stbtt_PackFontRangesRenderIntoRects(spc: &spc, info: &src_tmp.FontInfo, ranges: &src_tmp.PackRange, num_ranges: 1, rects: src_tmp.Rects);
3039
3040 // Apply multiply operator
3041 if (cfg.RasterizerMultiply != 1.0f)
3042 {
3043 unsigned char multiply_table[256];
3044 ImFontAtlasBuildMultiplyCalcLookupTable(out_table: multiply_table, in_brighten_factor: cfg.RasterizerMultiply);
3045 stbrp_rect* r = &src_tmp.Rects[0];
3046 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
3047 if (r->was_packed)
3048 ImFontAtlasBuildMultiplyRectAlpha8(table: multiply_table, pixels: atlas->TexPixelsAlpha8, x: r->x, y: r->y, w: r->w, h: r->h, stride: atlas->TexWidth * 1);
3049 }
3050 src_tmp.Rects = NULL;
3051 }
3052
3053 // End packing
3054 stbtt_PackEnd(spc: &spc);
3055 buf_rects.clear();
3056
3057 // 9. Setup ImFont and glyphs for runtime
3058 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3059 {
3060 // When merging fonts with MergeMode=true:
3061 // - We can have multiple input fonts writing into a same destination font.
3062 // - dst_font->ConfigData is != from cfg which is our source configuration.
3063 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3064 ImFontConfig& cfg = atlas->ConfigData[src_i];
3065 ImFont* dst_font = cfg.DstFont;
3066
3067 const float font_scale = stbtt_ScaleForPixelHeight(info: &src_tmp.FontInfo, height: cfg.SizePixels);
3068 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
3069 stbtt_GetFontVMetrics(info: &src_tmp.FontInfo, ascent: &unscaled_ascent, descent: &unscaled_descent, lineGap: &unscaled_line_gap);
3070
3071 const float ascent = ImCeil(unscaled_ascent * font_scale);
3072 const float descent = ImFloor(f: unscaled_descent * font_scale);
3073 ImFontAtlasBuildSetupFont(atlas, font: dst_font, font_config: &cfg, ascent, descent);
3074 const float font_off_x = cfg.GlyphOffset.x;
3075 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
3076
3077 const float inv_rasterization_scale = 1.0f / cfg.RasterizerDensity;
3078
3079 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
3080 {
3081 // Register glyph
3082 const int codepoint = src_tmp.GlyphsList[glyph_i];
3083 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
3084 stbtt_aligned_quad q;
3085 float unused_x = 0.0f, unused_y = 0.0f;
3086 stbtt_GetPackedQuad(chardata: src_tmp.PackedChars, pw: atlas->TexWidth, ph: atlas->TexHeight, char_index: glyph_i, xpos: &unused_x, ypos: &unused_y, q: &q, align_to_integer: 0);
3087 float x0 = q.x0 * inv_rasterization_scale + font_off_x;
3088 float y0 = q.y0 * inv_rasterization_scale + font_off_y;
3089 float x1 = q.x1 * inv_rasterization_scale + font_off_x;
3090 float y1 = q.y1 * inv_rasterization_scale + font_off_y;
3091 dst_font->AddGlyph(src_cfg: &cfg, c: (ImWchar)codepoint, x0, y0, x1, y1, u0: q.s0, v0: q.t0, u1: q.s1, v1: q.t1, advance_x: pc.xadvance * inv_rasterization_scale);
3092 }
3093 }
3094
3095 // Cleanup
3096 src_tmp_array.clear_destruct();
3097
3098 ImFontAtlasBuildFinish(atlas);
3099 return true;
3100}
3101
3102const ImFontBuilderIO* ImFontAtlasGetBuilderForStbTruetype()
3103{
3104 static ImFontBuilderIO io;
3105 io.FontBuilder_Build = ImFontAtlasBuildWithStbTruetype;
3106 return &io;
3107}
3108
3109#endif // IMGUI_ENABLE_STB_TRUETYPE
3110
3111void ImFontAtlasUpdateConfigDataPointers(ImFontAtlas* atlas)
3112{
3113 for (ImFontConfig& font_cfg : atlas->ConfigData)
3114 {
3115 ImFont* font = font_cfg.DstFont;
3116 if (!font_cfg.MergeMode)
3117 {
3118 font->ConfigData = &font_cfg;
3119 font->ConfigDataCount = 0;
3120 }
3121 font->ConfigDataCount++;
3122 }
3123}
3124
3125void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
3126{
3127 if (!font_config->MergeMode)
3128 {
3129 font->ClearOutputData();
3130 font->FontSize = font_config->SizePixels;
3131 IM_ASSERT(font->ConfigData == font_config);
3132 font->ContainerAtlas = atlas;
3133 font->Ascent = ascent;
3134 font->Descent = descent;
3135 }
3136}
3137
3138void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
3139{
3140 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
3141 IM_ASSERT(pack_context != NULL);
3142
3143 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects;
3144 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
3145#ifdef __GNUC__
3146 if (user_rects.Size < 1) { __builtin_unreachable(); } // Workaround for GCC bug if IM_ASSERT() is defined to conditionally throw (see #5343)
3147#endif
3148
3149 const int pack_padding = atlas->TexGlyphPadding;
3150 ImVector<stbrp_rect> pack_rects;
3151 pack_rects.resize(new_size: user_rects.Size);
3152 memset(s: pack_rects.Data, c: 0, n: (size_t)pack_rects.size_in_bytes());
3153 for (int i = 0; i < user_rects.Size; i++)
3154 {
3155 pack_rects[i].w = user_rects[i].Width + pack_padding;
3156 pack_rects[i].h = user_rects[i].Height + pack_padding;
3157 }
3158 stbrp_pack_rects(context: pack_context, rects: &pack_rects[0], num_rects: pack_rects.Size);
3159 for (int i = 0; i < pack_rects.Size; i++)
3160 if (pack_rects[i].was_packed)
3161 {
3162 user_rects[i].X = (unsigned short)pack_rects[i].x;
3163 user_rects[i].Y = (unsigned short)pack_rects[i].y;
3164 IM_ASSERT(pack_rects[i].w == user_rects[i].Width + pack_padding && pack_rects[i].h == user_rects[i].Height + pack_padding);
3165 atlas->TexHeight = ImMax(lhs: atlas->TexHeight, rhs: pack_rects[i].y + pack_rects[i].h);
3166 }
3167}
3168
3169void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value)
3170{
3171 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3172 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3173 unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth);
3174 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3175 for (int off_x = 0; off_x < w; off_x++)
3176 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00;
3177}
3178
3179void ImFontAtlasBuildRender32bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned int in_marker_pixel_value)
3180{
3181 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3182 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3183 unsigned int* out_pixel = atlas->TexPixelsRGBA32 + x + (y * atlas->TexWidth);
3184 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3185 for (int off_x = 0; off_x < w; off_x++)
3186 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : IM_COL32_BLACK_TRANS;
3187}
3188
3189static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
3190{
3191 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(index: atlas->PackIdMouseCursors);
3192 IM_ASSERT(r->IsPacked());
3193
3194 const int w = atlas->TexWidth;
3195 if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors)
3196 {
3197 // White pixels only
3198 IM_ASSERT(r->Width == 2 && r->Height == 2);
3199 const int offset = (int)r->X + (int)r->Y * w;
3200 if (atlas->TexPixelsAlpha8 != NULL)
3201 {
3202 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
3203 }
3204 else
3205 {
3206 atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE;
3207 }
3208 }
3209 else
3210 {
3211 // White pixels and mouse cursor
3212 IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
3213 const int x_for_white = r->X;
3214 const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
3215 if (atlas->TexPixelsAlpha8 != NULL)
3216 {
3217 ImFontAtlasBuildRender8bppRectFromString(atlas, x: x_for_white, y: r->Y, w: FONT_ATLAS_DEFAULT_TEX_DATA_W, h: FONT_ATLAS_DEFAULT_TEX_DATA_H, in_str: FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, in_marker_char: '.', in_marker_pixel_value: 0xFF);
3218 ImFontAtlasBuildRender8bppRectFromString(atlas, x: x_for_black, y: r->Y, w: FONT_ATLAS_DEFAULT_TEX_DATA_W, h: FONT_ATLAS_DEFAULT_TEX_DATA_H, in_str: FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, in_marker_char: 'X', in_marker_pixel_value: 0xFF);
3219 }
3220 else
3221 {
3222 ImFontAtlasBuildRender32bppRectFromString(atlas, x: x_for_white, y: r->Y, w: FONT_ATLAS_DEFAULT_TEX_DATA_W, h: FONT_ATLAS_DEFAULT_TEX_DATA_H, in_str: FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, in_marker_char: '.', IM_COL32_WHITE);
3223 ImFontAtlasBuildRender32bppRectFromString(atlas, x: x_for_black, y: r->Y, w: FONT_ATLAS_DEFAULT_TEX_DATA_W, h: FONT_ATLAS_DEFAULT_TEX_DATA_H, in_str: FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, in_marker_char: 'X', IM_COL32_WHITE);
3224 }
3225 }
3226 atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y);
3227}
3228
3229static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
3230{
3231 if (atlas->Flags & ImFontAtlasFlags_NoBakedLines)
3232 return;
3233
3234 // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them
3235 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(index: atlas->PackIdLines);
3236 IM_ASSERT(r->IsPacked());
3237 for (int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row
3238 {
3239 // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle
3240 int y = n;
3241 int line_width = n;
3242 int pad_left = (r->Width - line_width) / 2;
3243 int pad_right = r->Width - (pad_left + line_width);
3244
3245 // Write each slice
3246 IM_ASSERT(pad_left + line_width + pad_right == r->Width && y < r->Height); // Make sure we're inside the texture bounds before we start writing pixels
3247 if (atlas->TexPixelsAlpha8 != NULL)
3248 {
3249 unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)];
3250 for (int i = 0; i < pad_left; i++)
3251 *(write_ptr + i) = 0x00;
3252
3253 for (int i = 0; i < line_width; i++)
3254 *(write_ptr + pad_left + i) = 0xFF;
3255
3256 for (int i = 0; i < pad_right; i++)
3257 *(write_ptr + pad_left + line_width + i) = 0x00;
3258 }
3259 else
3260 {
3261 unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)];
3262 for (int i = 0; i < pad_left; i++)
3263 *(write_ptr + i) = IM_COL32(255, 255, 255, 0);
3264
3265 for (int i = 0; i < line_width; i++)
3266 *(write_ptr + pad_left + i) = IM_COL32_WHITE;
3267
3268 for (int i = 0; i < pad_right; i++)
3269 *(write_ptr + pad_left + line_width + i) = IM_COL32(255, 255, 255, 0);
3270 }
3271
3272 // Calculate UVs for this line
3273 ImVec2 uv0 = ImVec2((float)(r->X + pad_left - 1), (float)(r->Y + y)) * atlas->TexUvScale;
3274 ImVec2 uv1 = ImVec2((float)(r->X + pad_left + line_width + 1), (float)(r->Y + y + 1)) * atlas->TexUvScale;
3275 float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts
3276 atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v);
3277 }
3278}
3279
3280// Note: this is called / shared by both the stb_truetype and the FreeType builder
3281void ImFontAtlasBuildInit(ImFontAtlas* atlas)
3282{
3283 // Register texture region for mouse cursors or standard white pixels
3284 if (atlas->PackIdMouseCursors < 0)
3285 {
3286 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
3287 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(width: FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, height: FONT_ATLAS_DEFAULT_TEX_DATA_H);
3288 else
3289 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(width: 2, height: 2);
3290 }
3291
3292 // Register texture region for thick lines
3293 // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row
3294 if (atlas->PackIdLines < 0)
3295 {
3296 if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines))
3297 atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1);
3298 }
3299}
3300
3301// This is called/shared by both the stb_truetype and the FreeType builder.
3302void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
3303{
3304 // Render into our custom data blocks
3305 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL || atlas->TexPixelsRGBA32 != NULL);
3306 ImFontAtlasBuildRenderDefaultTexData(atlas);
3307 ImFontAtlasBuildRenderLinesTexData(atlas);
3308
3309 // Register custom rectangle glyphs
3310 for (int i = 0; i < atlas->CustomRects.Size; i++)
3311 {
3312 const ImFontAtlasCustomRect* r = &atlas->CustomRects[i];
3313 if (r->Font == NULL || r->GlyphID == 0)
3314 continue;
3315
3316 // Will ignore ImFontConfig settings: GlyphMinAdvanceX, GlyphMinAdvanceY, GlyphExtraSpacing, PixelSnapH
3317 IM_ASSERT(r->Font->ContainerAtlas == atlas);
3318 ImVec2 uv0, uv1;
3319 atlas->CalcCustomRectUV(rect: r, out_uv_min: &uv0, out_uv_max: &uv1);
3320 r->Font->AddGlyph(NULL, c: (ImWchar)r->GlyphID, x0: r->GlyphOffset.x, y0: r->GlyphOffset.y, x1: r->GlyphOffset.x + r->Width, y1: r->GlyphOffset.y + r->Height, u0: uv0.x, v0: uv0.y, u1: uv1.x, v1: uv1.y, advance_x: r->GlyphAdvanceX);
3321 if (r->GlyphColored)
3322 r->Font->Glyphs.back().Colored = 1;
3323 }
3324
3325 // Build all fonts lookup tables
3326 for (ImFont* font : atlas->Fonts)
3327 if (font->DirtyLookupTables)
3328 font->BuildLookupTable();
3329
3330 atlas->TexReady = true;
3331}
3332
3333//-------------------------------------------------------------------------
3334// [SECTION] ImFontAtlas: glyph ranges helpers
3335//-------------------------------------------------------------------------
3336
3337// Retrieve list of range (2 int per range, values are inclusive)
3338const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
3339{
3340 static const ImWchar ranges[] =
3341 {
3342 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3343 0,
3344 };
3345 return &ranges[0];
3346}
3347
3348const ImWchar* ImFontAtlas::GetGlyphRangesGreek()
3349{
3350 static const ImWchar ranges[] =
3351 {
3352 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3353 0x0370, 0x03FF, // Greek and Coptic
3354 0,
3355 };
3356 return &ranges[0];
3357}
3358
3359const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
3360{
3361 static const ImWchar ranges[] =
3362 {
3363 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3364 0x3131, 0x3163, // Korean alphabets
3365 0xAC00, 0xD7A3, // Korean characters
3366 0xFFFD, 0xFFFD, // Invalid
3367 0,
3368 };
3369 return &ranges[0];
3370}
3371
3372const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
3373{
3374 static const ImWchar ranges[] =
3375 {
3376 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3377 0x2000, 0x206F, // General Punctuation
3378 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3379 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3380 0xFF00, 0xFFEF, // Half-width characters
3381 0xFFFD, 0xFFFD, // Invalid
3382 0x4e00, 0x9FAF, // CJK Ideograms
3383 0,
3384 };
3385 return &ranges[0];
3386}
3387
3388static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
3389{
3390 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
3391 {
3392 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
3393 base_codepoint += accumulative_offsets[n];
3394 }
3395 out_ranges[0] = 0;
3396}
3397
3398const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
3399{
3400 // Store 2500 regularly used characters for Simplified Chinese.
3401 // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8
3402 // This table covers 97.97% of all characters used during the month in July, 1987.
3403 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3404 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3405 static const short accumulative_offsets_from_0x4E00[] =
3406 {
3407 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2,
3408 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4,
3409 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1,
3410 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2,
3411 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6,
3412 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1,
3413 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3,
3414 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4,
3415 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12,
3416 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1,
3417 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23,
3418 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6,
3419 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6,
3420 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1,
3421 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5,
3422 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15,
3423 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6,
3424 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4,
3425 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5,
3426 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2,
3427 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16,
3428 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31,
3429 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7,
3430 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2,
3431 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13,
3432 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3,
3433 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4,
3434 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1,
3435 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3,
3436 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11,
3437 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9,
3438 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2,
3439 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3,
3440 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12,
3441 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8,
3442 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5,
3443 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1,
3444 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5,
3445 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6,
3446 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6
3447 };
3448 static ImWchar base_ranges[] = // not zero-terminated
3449 {
3450 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3451 0x2000, 0x206F, // General Punctuation
3452 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3453 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3454 0xFF00, 0xFFEF, // Half-width characters
3455 0xFFFD, 0xFFFD // Invalid
3456 };
3457 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
3458 if (!full_ranges[0])
3459 {
3460 memcpy(dest: full_ranges, src: base_ranges, n: sizeof(base_ranges));
3461 UnpackAccumulativeOffsetsIntoRanges(base_codepoint: 0x4E00, accumulative_offsets: accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), out_ranges: full_ranges + IM_ARRAYSIZE(base_ranges));
3462 }
3463 return &full_ranges[0];
3464}
3465
3466const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
3467{
3468 // 2999 ideograms code points for Japanese
3469 // - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points
3470 // - 863 Jinmeiyo (meaning "for personal name") Kanji code points
3471 // - Sourced from official information provided by the government agencies of Japan:
3472 // - List of Joyo Kanji by the Agency for Cultural Affairs
3473 // - https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kijun/naikaku/kanji/
3474 // - List of Jinmeiyo Kanji by the Ministry of Justice
3475 // - http://www.moj.go.jp/MINJI/minji86.html
3476 // - Available under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0).
3477 // - https://creativecommons.org/licenses/by/4.0/legalcode
3478 // - You can generate this code by the script at:
3479 // - https://github.com/vaiorabbit/everyday_use_kanji
3480 // - References:
3481 // - List of Joyo Kanji
3482 // - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji
3483 // - List of Jinmeiyo Kanji
3484 // - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji
3485 // - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details.
3486 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3487 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3488 static const short accumulative_offsets_from_0x4E00[] =
3489 {
3490 0,1,2,4,1,1,1,1,2,1,3,3,2,2,1,5,3,5,7,5,6,1,2,1,7,2,6,3,1,8,1,1,4,1,1,18,2,11,2,6,2,1,2,1,5,1,2,1,3,1,2,1,2,3,3,1,1,2,3,1,1,1,12,7,9,1,4,5,1,
3491 1,2,1,10,1,1,9,2,2,4,5,6,9,3,1,1,1,1,9,3,18,5,2,2,2,2,1,6,3,7,1,1,1,1,2,2,4,2,1,23,2,10,4,3,5,2,4,10,2,4,13,1,6,1,9,3,1,1,6,6,7,6,3,1,2,11,3,
3492 2,2,3,2,15,2,2,5,4,3,6,4,1,2,5,2,12,16,6,13,9,13,2,1,1,7,16,4,7,1,19,1,5,1,2,2,7,7,8,2,6,5,4,9,18,7,4,5,9,13,11,8,15,2,1,1,1,2,1,2,2,1,2,2,8,
3493 2,9,3,3,1,1,4,4,1,1,1,4,9,1,4,3,5,5,2,7,5,3,4,8,2,1,13,2,3,3,1,14,1,1,4,5,1,3,6,1,5,2,1,1,3,3,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,1,1,1,12,3,3,9,5,
3494 2,6,1,5,6,1,2,3,18,2,4,14,4,1,3,6,1,1,6,3,5,5,3,2,2,2,2,12,3,1,4,2,3,2,3,11,1,7,4,1,2,1,3,17,1,9,1,24,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,2,4,15,1,
3495 1,2,1,1,2,1,5,2,5,20,2,5,9,1,10,8,7,6,1,1,1,1,1,1,6,2,1,2,8,1,1,1,1,5,1,1,3,1,1,1,1,3,1,1,12,4,1,3,1,1,1,1,1,10,3,1,7,5,13,1,2,3,4,6,1,1,30,
3496 2,9,9,1,15,38,11,3,1,8,24,7,1,9,8,10,2,1,9,31,2,13,6,2,9,4,49,5,2,15,2,1,10,2,1,1,1,2,2,6,15,30,35,3,14,18,8,1,16,10,28,12,19,45,38,1,3,2,3,
3497 13,2,1,7,3,6,5,3,4,3,1,5,7,8,1,5,3,18,5,3,6,1,21,4,24,9,24,40,3,14,3,21,3,2,1,2,4,2,3,1,15,15,6,5,1,1,3,1,5,6,1,9,7,3,3,2,1,4,3,8,21,5,16,4,
3498 5,2,10,11,11,3,6,3,2,9,3,6,13,1,2,1,1,1,1,11,12,6,6,1,4,2,6,5,2,1,1,3,3,6,13,3,1,1,5,1,2,3,3,14,2,1,2,2,2,5,1,9,5,1,1,6,12,3,12,3,4,13,2,14,
3499 2,8,1,17,5,1,16,4,2,2,21,8,9,6,23,20,12,25,19,9,38,8,3,21,40,25,33,13,4,3,1,4,1,2,4,1,2,5,26,2,1,1,2,1,3,6,2,1,1,1,1,1,1,2,3,1,1,1,9,2,3,1,1,
3500 1,3,6,3,2,1,1,6,6,1,8,2,2,2,1,4,1,2,3,2,7,3,2,4,1,2,1,2,2,1,1,1,1,1,3,1,2,5,4,10,9,4,9,1,1,1,1,1,1,5,3,2,1,6,4,9,6,1,10,2,31,17,8,3,7,5,40,1,
3501 7,7,1,6,5,2,10,7,8,4,15,39,25,6,28,47,18,10,7,1,3,1,1,2,1,1,1,3,3,3,1,1,1,3,4,2,1,4,1,3,6,10,7,8,6,2,2,1,3,3,2,5,8,7,9,12,2,15,1,1,4,1,2,1,1,
3502 1,3,2,1,3,3,5,6,2,3,2,10,1,4,2,8,1,1,1,11,6,1,21,4,16,3,1,3,1,4,2,3,6,5,1,3,1,1,3,3,4,6,1,1,10,4,2,7,10,4,7,4,2,9,4,3,1,1,1,4,1,8,3,4,1,3,1,
3503 6,1,4,2,1,4,7,2,1,8,1,4,5,1,1,2,2,4,6,2,7,1,10,1,1,3,4,11,10,8,21,4,6,1,3,5,2,1,2,28,5,5,2,3,13,1,2,3,1,4,2,1,5,20,3,8,11,1,3,3,3,1,8,10,9,2,
3504 10,9,2,3,1,1,2,4,1,8,3,6,1,7,8,6,11,1,4,29,8,4,3,1,2,7,13,1,4,1,6,2,6,12,12,2,20,3,2,3,6,4,8,9,2,7,34,5,1,18,6,1,1,4,4,5,7,9,1,2,2,4,3,4,1,7,
3505 2,2,2,6,2,3,25,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,5,3,4,4,3,2,1,1,4,1,2,1,1,3,1,11,1,6,3,1,7,3,6,2,8,8,6,9,3,4,11,3,2,10,12,2,5,11,1,6,4,5,
3506 3,1,8,5,4,6,6,3,5,1,1,3,2,1,2,2,6,17,12,1,10,1,6,12,1,6,6,19,9,6,16,1,13,4,4,15,7,17,6,11,9,15,12,6,7,2,1,2,2,15,9,3,21,4,6,49,18,7,3,2,3,1,
3507 6,8,2,2,6,2,9,1,3,6,4,4,1,2,16,2,5,2,1,6,2,3,5,3,1,2,5,1,2,1,9,3,1,8,6,4,8,11,3,1,1,1,1,3,1,13,8,4,1,3,2,2,1,4,1,11,1,5,2,1,5,2,5,8,6,1,1,7,
3508 4,3,8,3,2,7,2,1,5,1,5,2,4,7,6,2,8,5,1,11,4,5,3,6,18,1,2,13,3,3,1,21,1,1,4,1,4,1,1,1,8,1,2,2,7,1,2,4,2,2,9,2,1,1,1,4,3,6,3,12,5,1,1,1,5,6,3,2,
3509 4,8,2,2,4,2,7,1,8,9,5,2,3,2,1,3,2,13,7,14,6,5,1,1,2,1,4,2,23,2,1,1,6,3,1,4,1,15,3,1,7,3,9,14,1,3,1,4,1,1,5,8,1,3,8,3,8,15,11,4,14,4,4,2,5,5,
3510 1,7,1,6,14,7,7,8,5,15,4,8,6,5,6,2,1,13,1,20,15,11,9,2,5,6,2,11,2,6,2,5,1,5,8,4,13,19,25,4,1,1,11,1,34,2,5,9,14,6,2,2,6,1,1,14,1,3,14,13,1,6,
3511 12,21,14,14,6,32,17,8,32,9,28,1,2,4,11,8,3,1,14,2,5,15,1,1,1,1,3,6,4,1,3,4,11,3,1,1,11,30,1,5,1,4,1,5,8,1,1,3,2,4,3,17,35,2,6,12,17,3,1,6,2,
3512 1,1,12,2,7,3,3,2,1,16,2,8,3,6,5,4,7,3,3,8,1,9,8,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,4,3,7,5,8,3,3,3,3,3,3,1,23,10,3,1,2,2,6,3,1,16,1,16,
3513 22,3,10,4,11,6,9,7,7,3,6,2,2,2,4,10,2,1,1,2,8,7,1,6,4,1,3,3,3,5,10,12,12,2,3,12,8,15,1,1,16,6,6,1,5,9,11,4,11,4,2,6,12,1,17,5,13,1,4,9,5,1,11,
3514 2,1,8,1,5,7,28,8,3,5,10,2,17,3,38,22,1,2,18,12,10,4,38,18,1,4,44,19,4,1,8,4,1,12,1,4,31,12,1,14,7,75,7,5,10,6,6,13,3,2,11,11,3,2,5,28,15,6,18,
3515 18,5,6,4,3,16,1,7,18,7,36,3,5,3,1,7,1,9,1,10,7,2,4,2,6,2,9,7,4,3,32,12,3,7,10,2,23,16,3,1,12,3,31,4,11,1,3,8,9,5,1,30,15,6,12,3,2,2,11,19,9,
3516 14,2,6,2,3,19,13,17,5,3,3,25,3,14,1,1,1,36,1,3,2,19,3,13,36,9,13,31,6,4,16,34,2,5,4,2,3,3,5,1,1,1,4,3,1,17,3,2,3,5,3,1,3,2,3,5,6,3,12,11,1,3,
3517 1,2,26,7,12,7,2,14,3,3,7,7,11,25,25,28,16,4,36,1,2,1,6,2,1,9,3,27,17,4,3,4,13,4,1,3,2,2,1,10,4,2,4,6,3,8,2,1,18,1,1,24,2,2,4,33,2,3,63,7,1,6,
3518 40,7,3,4,4,2,4,15,18,1,16,1,1,11,2,41,14,1,3,18,13,3,2,4,16,2,17,7,15,24,7,18,13,44,2,2,3,6,1,1,7,5,1,7,1,4,3,3,5,10,8,2,3,1,8,1,1,27,4,2,1,
3519 12,1,2,1,10,6,1,6,7,5,2,3,7,11,5,11,3,6,6,2,3,15,4,9,1,1,2,1,2,11,2,8,12,8,5,4,2,3,1,5,2,2,1,14,1,12,11,4,1,11,17,17,4,3,2,5,5,7,3,1,5,9,9,8,
3520 2,5,6,6,13,13,2,1,2,6,1,2,2,49,4,9,1,2,10,16,7,8,4,3,2,23,4,58,3,29,1,14,19,19,11,11,2,7,5,1,3,4,6,2,18,5,12,12,17,17,3,3,2,4,1,6,2,3,4,3,1,
3521 1,1,1,5,1,1,9,1,3,1,3,6,1,8,1,1,2,6,4,14,3,1,4,11,4,1,3,32,1,2,4,13,4,1,2,4,2,1,3,1,11,1,4,2,1,4,4,6,3,5,1,6,5,7,6,3,23,3,5,3,5,3,3,13,3,9,10,
3522 1,12,10,2,3,18,13,7,160,52,4,2,2,3,2,14,5,4,12,4,6,4,1,20,4,11,6,2,12,27,1,4,1,2,2,7,4,5,2,28,3,7,25,8,3,19,3,6,10,2,2,1,10,2,5,4,1,3,4,1,5,
3523 3,2,6,9,3,6,2,16,3,3,16,4,5,5,3,2,1,2,16,15,8,2,6,21,2,4,1,22,5,8,1,1,21,11,2,1,11,11,19,13,12,4,2,3,2,3,6,1,8,11,1,4,2,9,5,2,1,11,2,9,1,1,2,
3524 14,31,9,3,4,21,14,4,8,1,7,2,2,2,5,1,4,20,3,3,4,10,1,11,9,8,2,1,4,5,14,12,14,2,17,9,6,31,4,14,1,20,13,26,5,2,7,3,6,13,2,4,2,19,6,2,2,18,9,3,5,
3525 12,12,14,4,6,2,3,6,9,5,22,4,5,25,6,4,8,5,2,6,27,2,35,2,16,3,7,8,8,6,6,5,9,17,2,20,6,19,2,13,3,1,1,1,4,17,12,2,14,7,1,4,18,12,38,33,2,10,1,1,
3526 2,13,14,17,11,50,6,33,20,26,74,16,23,45,50,13,38,33,6,6,7,4,4,2,1,3,2,5,8,7,8,9,3,11,21,9,13,1,3,10,6,7,1,2,2,18,5,5,1,9,9,2,68,9,19,13,2,5,
3527 1,4,4,7,4,13,3,9,10,21,17,3,26,2,1,5,2,4,5,4,1,7,4,7,3,4,2,1,6,1,1,20,4,1,9,2,2,1,3,3,2,3,2,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,3,2,10,3,5,3,4,4,
3528 3,4,16,1,6,1,10,2,4,2,1,1,2,10,11,2,2,3,1,24,31,4,10,10,2,5,12,16,164,15,4,16,7,9,15,19,17,1,2,1,1,5,1,1,1,1,1,3,1,4,3,1,3,1,3,1,2,1,1,3,3,7,
3529 2,8,1,2,2,2,1,3,4,3,7,8,12,92,2,10,3,1,3,14,5,25,16,42,4,7,7,4,2,21,5,27,26,27,21,25,30,31,2,1,5,13,3,22,5,6,6,11,9,12,1,5,9,7,5,5,22,60,3,5,
3530 13,1,1,8,1,1,3,3,2,1,9,3,3,18,4,1,2,3,7,6,3,1,2,3,9,1,3,1,3,2,1,3,1,1,1,2,1,11,3,1,6,9,1,3,2,3,1,2,1,5,1,1,4,3,4,1,2,2,4,4,1,7,2,1,2,2,3,5,13,
3531 18,3,4,14,9,9,4,16,3,7,5,8,2,6,48,28,3,1,1,4,2,14,8,2,9,2,1,15,2,4,3,2,10,16,12,8,7,1,1,3,1,1,1,2,7,4,1,6,4,38,39,16,23,7,15,15,3,2,12,7,21,
3532 37,27,6,5,4,8,2,10,8,8,6,5,1,2,1,3,24,1,16,17,9,23,10,17,6,1,51,55,44,13,294,9,3,6,2,4,2,2,15,1,1,1,13,21,17,68,14,8,9,4,1,4,9,3,11,7,1,1,1,
3533 5,6,3,2,1,1,1,2,3,8,1,2,2,4,1,5,5,2,1,4,3,7,13,4,1,4,1,3,1,1,1,5,5,10,1,6,1,5,2,1,5,2,4,1,4,5,7,3,18,2,9,11,32,4,3,3,2,4,7,11,16,9,11,8,13,38,
3534 32,8,4,2,1,1,2,1,2,4,4,1,1,1,4,1,21,3,11,1,16,1,1,6,1,3,2,4,9,8,57,7,44,1,3,3,13,3,10,1,1,7,5,2,7,21,47,63,3,15,4,7,1,16,1,1,2,8,2,3,42,15,4,
3535 1,29,7,22,10,3,78,16,12,20,18,4,67,11,5,1,3,15,6,21,31,32,27,18,13,71,35,5,142,4,10,1,2,50,19,33,16,35,37,16,19,27,7,1,133,19,1,4,8,7,20,1,4,
3536 4,1,10,3,1,6,1,2,51,5,40,15,24,43,22928,11,1,13,154,70,3,1,1,7,4,10,1,2,1,1,2,1,2,1,2,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,
3537 3,2,1,1,1,1,2,1,1,
3538 };
3539 static ImWchar base_ranges[] = // not zero-terminated
3540 {
3541 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3542 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3543 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3544 0xFF00, 0xFFEF, // Half-width characters
3545 0xFFFD, 0xFFFD // Invalid
3546 };
3547 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
3548 if (!full_ranges[0])
3549 {
3550 memcpy(dest: full_ranges, src: base_ranges, n: sizeof(base_ranges));
3551 UnpackAccumulativeOffsetsIntoRanges(base_codepoint: 0x4E00, accumulative_offsets: accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), out_ranges: full_ranges + IM_ARRAYSIZE(base_ranges));
3552 }
3553 return &full_ranges[0];
3554}
3555
3556const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
3557{
3558 static const ImWchar ranges[] =
3559 {
3560 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3561 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
3562 0x2DE0, 0x2DFF, // Cyrillic Extended-A
3563 0xA640, 0xA69F, // Cyrillic Extended-B
3564 0,
3565 };
3566 return &ranges[0];
3567}
3568
3569const ImWchar* ImFontAtlas::GetGlyphRangesThai()
3570{
3571 static const ImWchar ranges[] =
3572 {
3573 0x0020, 0x00FF, // Basic Latin
3574 0x2010, 0x205E, // Punctuations
3575 0x0E00, 0x0E7F, // Thai
3576 0,
3577 };
3578 return &ranges[0];
3579}
3580
3581const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese()
3582{
3583 static const ImWchar ranges[] =
3584 {
3585 0x0020, 0x00FF, // Basic Latin
3586 0x0102, 0x0103,
3587 0x0110, 0x0111,
3588 0x0128, 0x0129,
3589 0x0168, 0x0169,
3590 0x01A0, 0x01A1,
3591 0x01AF, 0x01B0,
3592 0x1EA0, 0x1EF9,
3593 0,
3594 };
3595 return &ranges[0];
3596}
3597
3598//-----------------------------------------------------------------------------
3599// [SECTION] ImFontGlyphRangesBuilder
3600//-----------------------------------------------------------------------------
3601
3602void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
3603{
3604 while (text_end ? (text < text_end) : *text)
3605 {
3606 unsigned int c = 0;
3607 int c_len = ImTextCharFromUtf8(out_char: &c, in_text: text, in_text_end: text_end);
3608 text += c_len;
3609 if (c_len == 0)
3610 break;
3611 AddChar(c: (ImWchar)c);
3612 }
3613}
3614
3615void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
3616{
3617 for (; ranges[0]; ranges += 2)
3618 for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560
3619 AddChar(c: (ImWchar)c);
3620}
3621
3622void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
3623{
3624 const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
3625 for (int n = 0; n <= max_codepoint; n++)
3626 if (GetBit(n))
3627 {
3628 out_ranges->push_back(v: (ImWchar)n);
3629 while (n < max_codepoint && GetBit(n: n + 1))
3630 n++;
3631 out_ranges->push_back(v: (ImWchar)n);
3632 }
3633 out_ranges->push_back(v: 0);
3634}
3635
3636//-----------------------------------------------------------------------------
3637// [SECTION] ImFont
3638//-----------------------------------------------------------------------------
3639
3640ImFont::ImFont()
3641{
3642 FontSize = 0.0f;
3643 FallbackAdvanceX = 0.0f;
3644 FallbackChar = (ImWchar)-1;
3645 EllipsisChar = (ImWchar)-1;
3646 EllipsisWidth = EllipsisCharStep = 0.0f;
3647 EllipsisCharCount = 0;
3648 FallbackGlyph = NULL;
3649 ContainerAtlas = NULL;
3650 ConfigData = NULL;
3651 ConfigDataCount = 0;
3652 DirtyLookupTables = false;
3653 Scale = 1.0f;
3654 Ascent = Descent = 0.0f;
3655 MetricsTotalSurface = 0;
3656 memset(s: Used4kPagesMap, c: 0, n: sizeof(Used4kPagesMap));
3657}
3658
3659ImFont::~ImFont()
3660{
3661 ClearOutputData();
3662}
3663
3664void ImFont::ClearOutputData()
3665{
3666 FontSize = 0.0f;
3667 FallbackAdvanceX = 0.0f;
3668 Glyphs.clear();
3669 IndexAdvanceX.clear();
3670 IndexLookup.clear();
3671 FallbackGlyph = NULL;
3672 ContainerAtlas = NULL;
3673 DirtyLookupTables = true;
3674 Ascent = Descent = 0.0f;
3675 MetricsTotalSurface = 0;
3676 memset(s: Used4kPagesMap, c: 0, n: sizeof(Used4kPagesMap));
3677}
3678
3679static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count)
3680{
3681 for (int n = 0; n < candidate_chars_count; n++)
3682 if (font->FindGlyphNoFallback(c: candidate_chars[n]) != NULL)
3683 return candidate_chars[n];
3684 return (ImWchar)-1;
3685}
3686
3687void ImFont::BuildLookupTable()
3688{
3689 int max_codepoint = 0;
3690 for (int i = 0; i != Glyphs.Size; i++)
3691 max_codepoint = ImMax(lhs: max_codepoint, rhs: (int)Glyphs[i].Codepoint);
3692
3693 // Build lookup table
3694 IM_ASSERT(Glyphs.Size > 0 && "Font has not loaded glyph!");
3695 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
3696 IndexAdvanceX.clear();
3697 IndexLookup.clear();
3698 DirtyLookupTables = false;
3699 memset(s: Used4kPagesMap, c: 0, n: sizeof(Used4kPagesMap));
3700 GrowIndex(new_size: max_codepoint + 1);
3701 for (int i = 0; i < Glyphs.Size; i++)
3702 {
3703 int codepoint = (int)Glyphs[i].Codepoint;
3704 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
3705 IndexLookup[codepoint] = (ImWchar)i;
3706
3707 // Mark 4K page as used
3708 const int page_n = codepoint / 4096;
3709 Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7);
3710 }
3711
3712 // Create a glyph to handle TAB
3713 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
3714 if (FindGlyph(c: (ImWchar)' '))
3715 {
3716 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky)
3717 Glyphs.resize(new_size: Glyphs.Size + 1);
3718 ImFontGlyph& tab_glyph = Glyphs.back();
3719 tab_glyph = *FindGlyph(c: (ImWchar)' ');
3720 tab_glyph.Codepoint = '\t';
3721 tab_glyph.AdvanceX *= IM_TABSIZE;
3722 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
3723 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size - 1);
3724 }
3725
3726 // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons)
3727 SetGlyphVisible(c: (ImWchar)' ', visible: false);
3728 SetGlyphVisible(c: (ImWchar)'\t', visible: false);
3729
3730 // Setup Fallback character
3731 const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' };
3732 FallbackGlyph = FindGlyphNoFallback(c: FallbackChar);
3733 if (FallbackGlyph == NULL)
3734 {
3735 FallbackChar = FindFirstExistingGlyph(font: this, candidate_chars: fallback_chars, IM_ARRAYSIZE(fallback_chars));
3736 FallbackGlyph = FindGlyphNoFallback(c: FallbackChar);
3737 if (FallbackGlyph == NULL)
3738 {
3739 FallbackGlyph = &Glyphs.back();
3740 FallbackChar = (ImWchar)FallbackGlyph->Codepoint;
3741 }
3742 }
3743 FallbackAdvanceX = FallbackGlyph->AdvanceX;
3744 for (int i = 0; i < max_codepoint + 1; i++)
3745 if (IndexAdvanceX[i] < 0.0f)
3746 IndexAdvanceX[i] = FallbackAdvanceX;
3747
3748 // Setup Ellipsis character. It is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
3749 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
3750 // FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots.
3751 const ImWchar ellipsis_chars[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
3752 const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E };
3753 if (EllipsisChar == (ImWchar)-1)
3754 EllipsisChar = FindFirstExistingGlyph(font: this, candidate_chars: ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars));
3755 const ImWchar dot_char = FindFirstExistingGlyph(font: this, candidate_chars: dots_chars, IM_ARRAYSIZE(dots_chars));
3756 if (EllipsisChar != (ImWchar)-1)
3757 {
3758 EllipsisCharCount = 1;
3759 EllipsisWidth = EllipsisCharStep = FindGlyph(c: EllipsisChar)->X1;
3760 }
3761 else if (dot_char != (ImWchar)-1)
3762 {
3763 const ImFontGlyph* glyph = FindGlyph(c: dot_char);
3764 EllipsisChar = dot_char;
3765 EllipsisCharCount = 3;
3766 EllipsisCharStep = (glyph->X1 - glyph->X0) + 1.0f;
3767 EllipsisWidth = EllipsisCharStep * 3.0f - 1.0f;
3768 }
3769}
3770
3771// API is designed this way to avoid exposing the 4K page size
3772// e.g. use with IsGlyphRangeUnused(0, 255)
3773bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last)
3774{
3775 unsigned int page_begin = (c_begin / 4096);
3776 unsigned int page_last = (c_last / 4096);
3777 for (unsigned int page_n = page_begin; page_n <= page_last; page_n++)
3778 if ((page_n >> 3) < sizeof(Used4kPagesMap))
3779 if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7)))
3780 return false;
3781 return true;
3782}
3783
3784void ImFont::SetGlyphVisible(ImWchar c, bool visible)
3785{
3786 if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph(c: (ImWchar)c))
3787 glyph->Visible = visible ? 1 : 0;
3788}
3789
3790void ImFont::GrowIndex(int new_size)
3791{
3792 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
3793 if (new_size <= IndexLookup.Size)
3794 return;
3795 IndexAdvanceX.resize(new_size, v: -1.0f);
3796 IndexLookup.resize(new_size, v: (ImWchar)-1);
3797}
3798
3799// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
3800// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis).
3801// 'cfg' is not necessarily == 'this->ConfigData' because multiple source fonts+configs can be used to build one target font.
3802void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
3803{
3804 if (cfg != NULL)
3805 {
3806 // Clamp & recenter if needed
3807 const float advance_x_original = advance_x;
3808 advance_x = ImClamp(v: advance_x, mn: cfg->GlyphMinAdvanceX, mx: cfg->GlyphMaxAdvanceX);
3809 if (advance_x != advance_x_original)
3810 {
3811 float char_off_x = cfg->PixelSnapH ? ImTrunc(f: (advance_x - advance_x_original) * 0.5f) : (advance_x - advance_x_original) * 0.5f;
3812 x0 += char_off_x;
3813 x1 += char_off_x;
3814 }
3815
3816 // Snap to pixel
3817 if (cfg->PixelSnapH)
3818 advance_x = IM_ROUND(advance_x);
3819
3820 // Bake spacing
3821 advance_x += cfg->GlyphExtraSpacing.x;
3822 }
3823
3824 int glyph_idx = Glyphs.Size;
3825 Glyphs.resize(new_size: Glyphs.Size + 1);
3826 ImFontGlyph& glyph = Glyphs[glyph_idx];
3827 glyph.Codepoint = (unsigned int)codepoint;
3828 glyph.Visible = (x0 != x1) && (y0 != y1);
3829 glyph.Colored = false;
3830 glyph.X0 = x0;
3831 glyph.Y0 = y0;
3832 glyph.X1 = x1;
3833 glyph.Y1 = y1;
3834 glyph.U0 = u0;
3835 glyph.V0 = v0;
3836 glyph.U1 = u1;
3837 glyph.V1 = v1;
3838 glyph.AdvanceX = advance_x;
3839
3840 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
3841 // We use (U1-U0)*TexWidth instead of X1-X0 to account for oversampling.
3842 float pad = ContainerAtlas->TexGlyphPadding + 0.99f;
3843 DirtyLookupTables = true;
3844 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + pad) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + pad);
3845}
3846
3847void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
3848{
3849 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
3850 unsigned int index_size = (unsigned int)IndexLookup.Size;
3851
3852 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
3853 return;
3854 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
3855 return;
3856
3857 GrowIndex(new_size: dst + 1);
3858 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
3859 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
3860}
3861
3862// Find glyph, return fallback if missing
3863const ImFontGlyph* ImFont::FindGlyph(ImWchar c)
3864{
3865 if (c >= (size_t)IndexLookup.Size)
3866 return FallbackGlyph;
3867 const ImWchar i = IndexLookup.Data[c];
3868 if (i == (ImWchar)-1)
3869 return FallbackGlyph;
3870 return &Glyphs.Data[i];
3871}
3872
3873const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c)
3874{
3875 if (c >= (size_t)IndexLookup.Size)
3876 return NULL;
3877 const ImWchar i = IndexLookup.Data[c];
3878 if (i == (ImWchar)-1)
3879 return NULL;
3880 return &Glyphs.Data[i];
3881}
3882
3883// Trim trailing space and find beginning of next line
3884static inline const char* CalcWordWrapNextLineStartA(const char* text, const char* text_end)
3885{
3886 while (text < text_end && ImCharIsBlankA(c: *text))
3887 text++;
3888 if (*text == '\n')
3889 text++;
3890 return text;
3891}
3892
3893#define ImFontGetCharAdvanceX(_FONT, _CH) ((int)(_CH) < (_FONT)->IndexAdvanceX.Size ? (_FONT)->IndexAdvanceX.Data[_CH] : (_FONT)->FallbackAdvanceX)
3894
3895// Simple word-wrapping for English, not full-featured. Please submit failing cases!
3896// This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end.
3897// FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
3898const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width)
3899{
3900 // For references, possible wrap point marked with ^
3901 // "aaa bbb, ccc,ddd. eee fff. ggg!"
3902 // ^ ^ ^ ^ ^__ ^ ^
3903
3904 // List of hardcoded separators: .,;!?'"
3905
3906 // Skip extra blanks after a line returns (that includes not counting them in width computation)
3907 // e.g. "Hello world" --> "Hello" "World"
3908
3909 // Cut words that cannot possibly fit within one line.
3910 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
3911 float line_width = 0.0f;
3912 float word_width = 0.0f;
3913 float blank_width = 0.0f;
3914 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
3915
3916 const char* word_end = text;
3917 const char* prev_word_end = NULL;
3918 bool inside_word = true;
3919
3920 const char* s = text;
3921 IM_ASSERT(text_end != NULL);
3922 while (s < text_end)
3923 {
3924 unsigned int c = (unsigned int)*s;
3925 const char* next_s;
3926 if (c < 0x80)
3927 next_s = s + 1;
3928 else
3929 next_s = s + ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
3930
3931 if (c < 32)
3932 {
3933 if (c == '\n')
3934 {
3935 line_width = word_width = blank_width = 0.0f;
3936 inside_word = true;
3937 s = next_s;
3938 continue;
3939 }
3940 if (c == '\r')
3941 {
3942 s = next_s;
3943 continue;
3944 }
3945 }
3946
3947 const float char_width = ImFontGetCharAdvanceX(this, c);
3948 if (ImCharIsBlankW(c))
3949 {
3950 if (inside_word)
3951 {
3952 line_width += blank_width;
3953 blank_width = 0.0f;
3954 word_end = s;
3955 }
3956 blank_width += char_width;
3957 inside_word = false;
3958 }
3959 else
3960 {
3961 word_width += char_width;
3962 if (inside_word)
3963 {
3964 word_end = next_s;
3965 }
3966 else
3967 {
3968 prev_word_end = word_end;
3969 line_width += word_width + blank_width;
3970 word_width = blank_width = 0.0f;
3971 }
3972
3973 // Allow wrapping after punctuation.
3974 inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"');
3975 }
3976
3977 // We ignore blank width at the end of the line (they can be skipped)
3978 if (line_width + word_width > wrap_width)
3979 {
3980 // Words that cannot possibly fit within an entire line will be cut anywhere.
3981 if (word_width < wrap_width)
3982 s = prev_word_end ? prev_word_end : word_end;
3983 break;
3984 }
3985
3986 s = next_s;
3987 }
3988
3989 // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
3990 // +1 may not be a character start point in UTF-8 but it's ok because caller loops use (text >= word_wrap_eol).
3991 if (s == text && text < text_end)
3992 return s + 1;
3993 return s;
3994}
3995
3996ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining)
3997{
3998 if (!text_end)
3999 text_end = text_begin + strlen(s: text_begin); // FIXME-OPT: Need to avoid this.
4000
4001 const float line_height = size;
4002 const float scale = size / FontSize;
4003
4004 ImVec2 text_size = ImVec2(0, 0);
4005 float line_width = 0.0f;
4006
4007 const bool word_wrap_enabled = (wrap_width > 0.0f);
4008 const char* word_wrap_eol = NULL;
4009
4010 const char* s = text_begin;
4011 while (s < text_end)
4012 {
4013 if (word_wrap_enabled)
4014 {
4015 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
4016 if (!word_wrap_eol)
4017 word_wrap_eol = CalcWordWrapPositionA(scale, text: s, text_end, wrap_width: wrap_width - line_width);
4018
4019 if (s >= word_wrap_eol)
4020 {
4021 if (text_size.x < line_width)
4022 text_size.x = line_width;
4023 text_size.y += line_height;
4024 line_width = 0.0f;
4025 word_wrap_eol = NULL;
4026 s = CalcWordWrapNextLineStartA(text: s, text_end); // Wrapping skips upcoming blanks
4027 continue;
4028 }
4029 }
4030
4031 // Decode and advance source
4032 const char* prev_s = s;
4033 unsigned int c = (unsigned int)*s;
4034 if (c < 0x80)
4035 s += 1;
4036 else
4037 s += ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
4038
4039 if (c < 32)
4040 {
4041 if (c == '\n')
4042 {
4043 text_size.x = ImMax(lhs: text_size.x, rhs: line_width);
4044 text_size.y += line_height;
4045 line_width = 0.0f;
4046 continue;
4047 }
4048 if (c == '\r')
4049 continue;
4050 }
4051
4052 const float char_width = ImFontGetCharAdvanceX(this, c) * scale;
4053 if (line_width + char_width >= max_width)
4054 {
4055 s = prev_s;
4056 break;
4057 }
4058
4059 line_width += char_width;
4060 }
4061
4062 if (text_size.x < line_width)
4063 text_size.x = line_width;
4064
4065 if (line_width > 0 || text_size.y == 0.0f)
4066 text_size.y += line_height;
4067
4068 if (remaining)
4069 *remaining = s;
4070
4071 return text_size;
4072}
4073
4074// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4075void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c)
4076{
4077 const ImFontGlyph* glyph = FindGlyph(c);
4078 if (!glyph || !glyph->Visible)
4079 return;
4080 if (glyph->Colored)
4081 col |= ~IM_COL32_A_MASK;
4082 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
4083 float x = IM_TRUNC(pos.x);
4084 float y = IM_TRUNC(pos.y);
4085 draw_list->PrimReserve(idx_count: 6, vtx_count: 4);
4086 draw_list->PrimRectUV(a: ImVec2(x + glyph->X0 * scale, y + glyph->Y0 * scale), c: ImVec2(x + glyph->X1 * scale, y + glyph->Y1 * scale), uv_a: ImVec2(glyph->U0, glyph->V0), uv_c: ImVec2(glyph->U1, glyph->V1), col);
4087}
4088
4089// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4090void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip)
4091{
4092 if (!text_end)
4093 text_end = text_begin + strlen(s: text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
4094
4095 // Align to be pixel perfect
4096 float x = IM_TRUNC(pos.x);
4097 float y = IM_TRUNC(pos.y);
4098 if (y > clip_rect.w)
4099 return;
4100
4101 const float scale = size / FontSize;
4102 const float line_height = FontSize * scale;
4103 const float origin_x = x;
4104 const bool word_wrap_enabled = (wrap_width > 0.0f);
4105
4106 // Fast-forward to first visible line
4107 const char* s = text_begin;
4108 if (y + line_height < clip_rect.y)
4109 while (y + line_height < clip_rect.y && s < text_end)
4110 {
4111 const char* line_end = (const char*)memchr(s: s, c: '\n', n: text_end - s);
4112 if (word_wrap_enabled)
4113 {
4114 // FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPositionA().
4115 // If the specs for CalcWordWrapPositionA() were reworked to optionally return on \n we could combine both.
4116 // However it is still better than nothing performing the fast-forward!
4117 s = CalcWordWrapPositionA(scale, text: s, text_end: line_end ? line_end : text_end, wrap_width);
4118 s = CalcWordWrapNextLineStartA(text: s, text_end);
4119 }
4120 else
4121 {
4122 s = line_end ? line_end + 1 : text_end;
4123 }
4124 y += line_height;
4125 }
4126
4127 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
4128 // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm)
4129 if (text_end - s > 10000 && !word_wrap_enabled)
4130 {
4131 const char* s_end = s;
4132 float y_end = y;
4133 while (y_end < clip_rect.w && s_end < text_end)
4134 {
4135 s_end = (const char*)memchr(s: s_end, c: '\n', n: text_end - s_end);
4136 s_end = s_end ? s_end + 1 : text_end;
4137 y_end += line_height;
4138 }
4139 text_end = s_end;
4140 }
4141 if (s == text_end)
4142 return;
4143
4144 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
4145 const int vtx_count_max = (int)(text_end - s) * 4;
4146 const int idx_count_max = (int)(text_end - s) * 6;
4147 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
4148 draw_list->PrimReserve(idx_count: idx_count_max, vtx_count: vtx_count_max);
4149 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
4150 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
4151 unsigned int vtx_index = draw_list->_VtxCurrentIdx;
4152
4153 const ImU32 col_untinted = col | ~IM_COL32_A_MASK;
4154 const char* word_wrap_eol = NULL;
4155
4156 while (s < text_end)
4157 {
4158 if (word_wrap_enabled)
4159 {
4160 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
4161 if (!word_wrap_eol)
4162 word_wrap_eol = CalcWordWrapPositionA(scale, text: s, text_end, wrap_width: wrap_width - (x - origin_x));
4163
4164 if (s >= word_wrap_eol)
4165 {
4166 x = origin_x;
4167 y += line_height;
4168 if (y > clip_rect.w)
4169 break; // break out of main loop
4170 word_wrap_eol = NULL;
4171 s = CalcWordWrapNextLineStartA(text: s, text_end); // Wrapping skips upcoming blanks
4172 continue;
4173 }
4174 }
4175
4176 // Decode and advance source
4177 unsigned int c = (unsigned int)*s;
4178 if (c < 0x80)
4179 s += 1;
4180 else
4181 s += ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
4182
4183 if (c < 32)
4184 {
4185 if (c == '\n')
4186 {
4187 x = origin_x;
4188 y += line_height;
4189 if (y > clip_rect.w)
4190 break; // break out of main loop
4191 continue;
4192 }
4193 if (c == '\r')
4194 continue;
4195 }
4196
4197 const ImFontGlyph* glyph = FindGlyph(c: (ImWchar)c);
4198 if (glyph == NULL)
4199 continue;
4200
4201 float char_width = glyph->AdvanceX * scale;
4202 if (glyph->Visible)
4203 {
4204 // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w
4205 float x1 = x + glyph->X0 * scale;
4206 float x2 = x + glyph->X1 * scale;
4207 float y1 = y + glyph->Y0 * scale;
4208 float y2 = y + glyph->Y1 * scale;
4209 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
4210 {
4211 // Render a character
4212 float u1 = glyph->U0;
4213 float v1 = glyph->V0;
4214 float u2 = glyph->U1;
4215 float v2 = glyph->V1;
4216
4217 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
4218 if (cpu_fine_clip)
4219 {
4220 if (x1 < clip_rect.x)
4221 {
4222 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
4223 x1 = clip_rect.x;
4224 }
4225 if (y1 < clip_rect.y)
4226 {
4227 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
4228 y1 = clip_rect.y;
4229 }
4230 if (x2 > clip_rect.z)
4231 {
4232 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
4233 x2 = clip_rect.z;
4234 }
4235 if (y2 > clip_rect.w)
4236 {
4237 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
4238 y2 = clip_rect.w;
4239 }
4240 if (y1 >= y2)
4241 {
4242 x += char_width;
4243 continue;
4244 }
4245 }
4246
4247 // Support for untinted glyphs
4248 ImU32 glyph_col = glyph->Colored ? col_untinted : col;
4249
4250 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
4251 {
4252 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = glyph_col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1;
4253 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = glyph_col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1;
4254 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = glyph_col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2;
4255 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2;
4256 idx_write[0] = (ImDrawIdx)(vtx_index); idx_write[1] = (ImDrawIdx)(vtx_index + 1); idx_write[2] = (ImDrawIdx)(vtx_index + 2);
4257 idx_write[3] = (ImDrawIdx)(vtx_index); idx_write[4] = (ImDrawIdx)(vtx_index + 2); idx_write[5] = (ImDrawIdx)(vtx_index + 3);
4258 vtx_write += 4;
4259 vtx_index += 4;
4260 idx_write += 6;
4261 }
4262 }
4263 }
4264 x += char_width;
4265 }
4266
4267 // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action.
4268 draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink()
4269 draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data);
4270 draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
4271 draw_list->_VtxWritePtr = vtx_write;
4272 draw_list->_IdxWritePtr = idx_write;
4273 draw_list->_VtxCurrentIdx = vtx_index;
4274}
4275
4276//-----------------------------------------------------------------------------
4277// [SECTION] ImGui Internal Render Helpers
4278//-----------------------------------------------------------------------------
4279// Vaguely redesigned to stop accessing ImGui global state:
4280// - RenderArrow()
4281// - RenderBullet()
4282// - RenderCheckMark()
4283// - RenderArrowDockMenu()
4284// - RenderArrowPointingAt()
4285// - RenderRectFilledRangeH()
4286// - RenderRectFilledWithHole()
4287//-----------------------------------------------------------------------------
4288// Function in need of a redesign (legacy mess)
4289// - RenderColorRectWithAlphaCheckerboard()
4290//-----------------------------------------------------------------------------
4291
4292// Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state
4293void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale)
4294{
4295 const float h = draw_list->_Data->FontSize * 1.00f;
4296 float r = h * 0.40f * scale;
4297 ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale);
4298
4299 ImVec2 a, b, c;
4300 switch (dir)
4301 {
4302 case ImGuiDir_Up:
4303 case ImGuiDir_Down:
4304 if (dir == ImGuiDir_Up) r = -r;
4305 a = ImVec2(+0.000f, +0.750f) * r;
4306 b = ImVec2(-0.866f, -0.750f) * r;
4307 c = ImVec2(+0.866f, -0.750f) * r;
4308 break;
4309 case ImGuiDir_Left:
4310 case ImGuiDir_Right:
4311 if (dir == ImGuiDir_Left) r = -r;
4312 a = ImVec2(+0.750f, +0.000f) * r;
4313 b = ImVec2(-0.750f, +0.866f) * r;
4314 c = ImVec2(-0.750f, -0.866f) * r;
4315 break;
4316 case ImGuiDir_None:
4317 case ImGuiDir_COUNT:
4318 IM_ASSERT(0);
4319 break;
4320 }
4321 draw_list->AddTriangleFilled(p1: center + a, p2: center + b, p3: center + c, col);
4322}
4323
4324void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col)
4325{
4326 // FIXME-OPT: This should be baked in font.
4327 draw_list->AddCircleFilled(center: pos, radius: draw_list->_Data->FontSize * 0.20f, col, num_segments: 8);
4328}
4329
4330void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz)
4331{
4332 float thickness = ImMax(lhs: sz / 5.0f, rhs: 1.0f);
4333 sz -= thickness * 0.5f;
4334 pos += ImVec2(thickness * 0.25f, thickness * 0.25f);
4335
4336 float third = sz / 3.0f;
4337 float bx = pos.x + third;
4338 float by = pos.y + sz - third * 0.5f;
4339 draw_list->PathLineTo(pos: ImVec2(bx - third, by - third));
4340 draw_list->PathLineTo(pos: ImVec2(bx, by));
4341 draw_list->PathLineTo(pos: ImVec2(bx + third * 2.0f, by - third * 2.0f));
4342 draw_list->PathStroke(col, flags: 0, thickness);
4343}
4344
4345// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side.
4346void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
4347{
4348 switch (direction)
4349 {
4350 case ImGuiDir_Left: draw_list->AddTriangleFilled(p1: ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), p2: ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), p3: pos, col); return;
4351 case ImGuiDir_Right: draw_list->AddTriangleFilled(p1: ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), p2: ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), p3: pos, col); return;
4352 case ImGuiDir_Up: draw_list->AddTriangleFilled(p1: ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), p2: ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), p3: pos, col); return;
4353 case ImGuiDir_Down: draw_list->AddTriangleFilled(p1: ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), p2: ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), p3: pos, col); return;
4354 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
4355 }
4356}
4357
4358// This is less wide than RenderArrow() and we use in dock nodes instead of the regular RenderArrow() to denote a change of functionality,
4359// and because the saved space means that the left-most tab label can stay at exactly the same position as the label of a loose window.
4360void ImGui::RenderArrowDockMenu(ImDrawList* draw_list, ImVec2 p_min, float sz, ImU32 col)
4361{
4362 draw_list->AddRectFilled(p_min: p_min + ImVec2(sz * 0.20f, sz * 0.15f), p_max: p_min + ImVec2(sz * 0.80f, sz * 0.30f), col);
4363 RenderArrowPointingAt(draw_list, pos: p_min + ImVec2(sz * 0.50f, sz * 0.85f), half_sz: ImVec2(sz * 0.30f, sz * 0.40f), direction: ImGuiDir_Down, col);
4364}
4365
4366static inline float ImAcos01(float x)
4367{
4368 if (x <= 0.0f) return IM_PI * 0.5f;
4369 if (x >= 1.0f) return 0.0f;
4370 return ImAcos(x);
4371 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
4372}
4373
4374// FIXME: Cleanup and move code to ImDrawList.
4375void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
4376{
4377 if (x_end_norm == x_start_norm)
4378 return;
4379 if (x_start_norm > x_end_norm)
4380 ImSwap(a&: x_start_norm, b&: x_end_norm);
4381
4382 ImVec2 p0 = ImVec2(ImLerp(a: rect.Min.x, b: rect.Max.x, t: x_start_norm), rect.Min.y);
4383 ImVec2 p1 = ImVec2(ImLerp(a: rect.Min.x, b: rect.Max.x, t: x_end_norm), rect.Max.y);
4384 if (rounding == 0.0f)
4385 {
4386 draw_list->AddRectFilled(p_min: p0, p_max: p1, col, rounding: 0.0f);
4387 return;
4388 }
4389
4390 rounding = ImClamp(v: ImMin(lhs: (rect.Max.x - rect.Min.x) * 0.5f, rhs: (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, mn: 0.0f, mx: rounding);
4391 const float inv_rounding = 1.0f / rounding;
4392 const float arc0_b = ImAcos01(x: 1.0f - (p0.x - rect.Min.x) * inv_rounding);
4393 const float arc0_e = ImAcos01(x: 1.0f - (p1.x - rect.Min.x) * inv_rounding);
4394 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
4395 const float x0 = ImMax(lhs: p0.x, rhs: rect.Min.x + rounding);
4396 if (arc0_b == arc0_e)
4397 {
4398 draw_list->PathLineTo(pos: ImVec2(x0, p1.y));
4399 draw_list->PathLineTo(pos: ImVec2(x0, p0.y));
4400 }
4401 else if (arc0_b == 0.0f && arc0_e == half_pi)
4402 {
4403 draw_list->PathArcToFast(center: ImVec2(x0, p1.y - rounding), radius: rounding, a_min_of_12: 3, a_max_of_12: 6); // BL
4404 draw_list->PathArcToFast(center: ImVec2(x0, p0.y + rounding), radius: rounding, a_min_of_12: 6, a_max_of_12: 9); // TR
4405 }
4406 else
4407 {
4408 draw_list->PathArcTo(center: ImVec2(x0, p1.y - rounding), radius: rounding, IM_PI - arc0_e, IM_PI - arc0_b); // BL
4409 draw_list->PathArcTo(center: ImVec2(x0, p0.y + rounding), radius: rounding, IM_PI + arc0_b, IM_PI + arc0_e); // TR
4410 }
4411 if (p1.x > rect.Min.x + rounding)
4412 {
4413 const float arc1_b = ImAcos01(x: 1.0f - (rect.Max.x - p1.x) * inv_rounding);
4414 const float arc1_e = ImAcos01(x: 1.0f - (rect.Max.x - p0.x) * inv_rounding);
4415 const float x1 = ImMin(lhs: p1.x, rhs: rect.Max.x - rounding);
4416 if (arc1_b == arc1_e)
4417 {
4418 draw_list->PathLineTo(pos: ImVec2(x1, p0.y));
4419 draw_list->PathLineTo(pos: ImVec2(x1, p1.y));
4420 }
4421 else if (arc1_b == 0.0f && arc1_e == half_pi)
4422 {
4423 draw_list->PathArcToFast(center: ImVec2(x1, p0.y + rounding), radius: rounding, a_min_of_12: 9, a_max_of_12: 12); // TR
4424 draw_list->PathArcToFast(center: ImVec2(x1, p1.y - rounding), radius: rounding, a_min_of_12: 0, a_max_of_12: 3); // BR
4425 }
4426 else
4427 {
4428 draw_list->PathArcTo(center: ImVec2(x1, p0.y + rounding), radius: rounding, a_min: -arc1_e, a_max: -arc1_b); // TR
4429 draw_list->PathArcTo(center: ImVec2(x1, p1.y - rounding), radius: rounding, a_min: +arc1_b, a_max: +arc1_e); // BR
4430 }
4431 }
4432 draw_list->PathFillConvex(col);
4433}
4434
4435void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, const ImRect& outer, const ImRect& inner, ImU32 col, float rounding)
4436{
4437 const bool fill_L = (inner.Min.x > outer.Min.x);
4438 const bool fill_R = (inner.Max.x < outer.Max.x);
4439 const bool fill_U = (inner.Min.y > outer.Min.y);
4440 const bool fill_D = (inner.Max.y < outer.Max.y);
4441 if (fill_L) draw_list->AddRectFilled(p_min: ImVec2(outer.Min.x, inner.Min.y), p_max: ImVec2(inner.Min.x, inner.Max.y), col, rounding, flags: ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomLeft));
4442 if (fill_R) draw_list->AddRectFilled(p_min: ImVec2(inner.Max.x, inner.Min.y), p_max: ImVec2(outer.Max.x, inner.Max.y), col, rounding, flags: ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopRight) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomRight));
4443 if (fill_U) draw_list->AddRectFilled(p_min: ImVec2(inner.Min.x, outer.Min.y), p_max: ImVec2(inner.Max.x, inner.Min.y), col, rounding, flags: ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersTopRight));
4444 if (fill_D) draw_list->AddRectFilled(p_min: ImVec2(inner.Min.x, inner.Max.y), p_max: ImVec2(inner.Max.x, outer.Max.y), col, rounding, flags: ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersBottomLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersBottomRight));
4445 if (fill_L && fill_U) draw_list->AddRectFilled(p_min: ImVec2(outer.Min.x, outer.Min.y), p_max: ImVec2(inner.Min.x, inner.Min.y), col, rounding, flags: ImDrawFlags_RoundCornersTopLeft);
4446 if (fill_R && fill_U) draw_list->AddRectFilled(p_min: ImVec2(inner.Max.x, outer.Min.y), p_max: ImVec2(outer.Max.x, inner.Min.y), col, rounding, flags: ImDrawFlags_RoundCornersTopRight);
4447 if (fill_L && fill_D) draw_list->AddRectFilled(p_min: ImVec2(outer.Min.x, inner.Max.y), p_max: ImVec2(inner.Min.x, outer.Max.y), col, rounding, flags: ImDrawFlags_RoundCornersBottomLeft);
4448 if (fill_R && fill_D) draw_list->AddRectFilled(p_min: ImVec2(inner.Max.x, inner.Max.y), p_max: ImVec2(outer.Max.x, outer.Max.y), col, rounding, flags: ImDrawFlags_RoundCornersBottomRight);
4449}
4450
4451ImDrawFlags ImGui::CalcRoundingFlagsForRectInRect(const ImRect& r_in, const ImRect& r_outer, float threshold)
4452{
4453 bool round_l = r_in.Min.x <= r_outer.Min.x + threshold;
4454 bool round_r = r_in.Max.x >= r_outer.Max.x - threshold;
4455 bool round_t = r_in.Min.y <= r_outer.Min.y + threshold;
4456 bool round_b = r_in.Max.y >= r_outer.Max.y - threshold;
4457 return ImDrawFlags_RoundCornersNone
4458 | ((round_t && round_l) ? ImDrawFlags_RoundCornersTopLeft : 0) | ((round_t && round_r) ? ImDrawFlags_RoundCornersTopRight : 0)
4459 | ((round_b && round_l) ? ImDrawFlags_RoundCornersBottomLeft : 0) | ((round_b && round_r) ? ImDrawFlags_RoundCornersBottomRight : 0);
4460}
4461
4462// Helper for ColorPicker4()
4463// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that.
4464// Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether.
4465// FIXME: uses ImGui::GetColorU32
4466void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags)
4467{
4468 if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
4469 flags = ImDrawFlags_RoundCornersDefault_;
4470 if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF)
4471 {
4472 ImU32 col_bg1 = GetColorU32(col: ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col_b: col));
4473 ImU32 col_bg2 = GetColorU32(col: ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col_b: col));
4474 draw_list->AddRectFilled(p_min, p_max, col: col_bg1, rounding, flags);
4475
4476 int yi = 0;
4477 for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++)
4478 {
4479 float y1 = ImClamp(v: y, mn: p_min.y, mx: p_max.y), y2 = ImMin(lhs: y + grid_step, rhs: p_max.y);
4480 if (y2 <= y1)
4481 continue;
4482 for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f)
4483 {
4484 float x1 = ImClamp(v: x, mn: p_min.x, mx: p_max.x), x2 = ImMin(lhs: x + grid_step, rhs: p_max.x);
4485 if (x2 <= x1)
4486 continue;
4487 ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone;
4488 if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; }
4489 if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; }
4490
4491 // Combine flags
4492 cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags);
4493 draw_list->AddRectFilled(p_min: ImVec2(x1, y1), p_max: ImVec2(x2, y2), col: col_bg2, rounding, flags: cell_flags);
4494 }
4495 }
4496 }
4497 else
4498 {
4499 draw_list->AddRectFilled(p_min, p_max, col, rounding, flags);
4500 }
4501}
4502
4503//-----------------------------------------------------------------------------
4504// [SECTION] Decompression code
4505//-----------------------------------------------------------------------------
4506// Compressed with stb_compress() then converted to a C array and encoded as base85.
4507// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
4508// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
4509// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
4510//-----------------------------------------------------------------------------
4511
4512static unsigned int stb_decompress_length(const unsigned char *input)
4513{
4514 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
4515}
4516
4517static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
4518static const unsigned char *stb__barrier_in_b;
4519static unsigned char *stb__dout;
4520static void stb__match(const unsigned char *data, unsigned int length)
4521{
4522 // INVERSE of memmove... write each byte before copying the next...
4523 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4524 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4525 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
4526 while (length--) *stb__dout++ = *data++;
4527}
4528
4529static void stb__lit(const unsigned char *data, unsigned int length)
4530{
4531 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4532 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4533 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
4534 memcpy(dest: stb__dout, src: data, n: length);
4535 stb__dout += length;
4536}
4537
4538#define stb__in2(x) ((i[x] << 8) + i[(x)+1])
4539#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
4540#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
4541
4542static const unsigned char *stb_decompress_token(const unsigned char *i)
4543{
4544 if (*i >= 0x20) { // use fewer if's for cases that expand small
4545 if (*i >= 0x80) stb__match(data: stb__dout-i[1]-1, length: i[0] - 0x80 + 1), i += 2;
4546 else if (*i >= 0x40) stb__match(data: stb__dout-(stb__in2(0) - 0x4000 + 1), length: i[2]+1), i += 3;
4547 else /* *i >= 0x20 */ stb__lit(data: i+1, length: i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
4548 } else { // more ifs for cases that expand large, since overhead is amortized
4549 if (*i >= 0x18) stb__match(data: stb__dout-(stb__in3(0) - 0x180000 + 1), length: i[3]+1), i += 4;
4550 else if (*i >= 0x10) stb__match(data: stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
4551 else if (*i >= 0x08) stb__lit(data: i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
4552 else if (*i == 0x07) stb__lit(data: i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
4553 else if (*i == 0x06) stb__match(data: stb__dout-(stb__in3(1)+1), length: i[4]+1), i += 5;
4554 else if (*i == 0x04) stb__match(data: stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
4555 }
4556 return i;
4557}
4558
4559static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
4560{
4561 const unsigned long ADLER_MOD = 65521;
4562 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
4563 unsigned long blocklen = buflen % 5552;
4564
4565 unsigned long i;
4566 while (buflen) {
4567 for (i=0; i + 7 < blocklen; i += 8) {
4568 s1 += buffer[0], s2 += s1;
4569 s1 += buffer[1], s2 += s1;
4570 s1 += buffer[2], s2 += s1;
4571 s1 += buffer[3], s2 += s1;
4572 s1 += buffer[4], s2 += s1;
4573 s1 += buffer[5], s2 += s1;
4574 s1 += buffer[6], s2 += s1;
4575 s1 += buffer[7], s2 += s1;
4576
4577 buffer += 8;
4578 }
4579
4580 for (; i < blocklen; ++i)
4581 s1 += *buffer++, s2 += s1;
4582
4583 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
4584 buflen -= blocklen;
4585 blocklen = 5552;
4586 }
4587 return (unsigned int)(s2 << 16) + (unsigned int)s1;
4588}
4589
4590static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
4591{
4592 if (stb__in4(0) != 0x57bC0000) return 0;
4593 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
4594 const unsigned int olen = stb_decompress_length(input: i);
4595 stb__barrier_in_b = i;
4596 stb__barrier_out_e = output + olen;
4597 stb__barrier_out_b = output;
4598 i += 16;
4599
4600 stb__dout = output;
4601 for (;;) {
4602 const unsigned char *old_i = i;
4603 i = stb_decompress_token(i);
4604 if (i == old_i) {
4605 if (*i == 0x05 && i[1] == 0xfa) {
4606 IM_ASSERT(stb__dout == output + olen);
4607 if (stb__dout != output + olen) return 0;
4608 if (stb_adler32(adler32: 1, buffer: output, buflen: olen) != (unsigned int) stb__in4(2))
4609 return 0;
4610 return olen;
4611 } else {
4612 IM_ASSERT(0); /* NOTREACHED */
4613 return 0;
4614 }
4615 }
4616 IM_ASSERT(stb__dout <= output + olen);
4617 if (stb__dout > output + olen)
4618 return 0;
4619 }
4620}
4621
4622//-----------------------------------------------------------------------------
4623// [SECTION] Default font data (ProggyClean.ttf)
4624//-----------------------------------------------------------------------------
4625// ProggyClean.ttf
4626// Copyright (c) 2004, 2005 Tristan Grimmer
4627// MIT license (see License.txt in http://www.proggyfonts.net/index.php?menu=download)
4628// Download and more information at http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php
4629//-----------------------------------------------------------------------------
4630
4631#ifndef IMGUI_DISABLE_DEFAULT_FONT
4632
4633// File: 'ProggyClean.ttf' (41208 bytes)
4634// Exported using binary_to_compressed_c.exe -u8 "ProggyClean.ttf" proggy_clean_ttf
4635static const unsigned int proggy_clean_ttf_compressed_size = 9583;
4636static const unsigned char proggy_clean_ttf_compressed_data[9583] =
4637{
4638 87,188,0,0,0,0,0,0,0,0,160,248,0,4,0,0,55,0,1,0,0,0,12,0,128,0,3,0,64,79,83,47,50,136,235,116,144,0,0,1,72,130,21,44,78,99,109,97,112,2,18,35,117,0,0,3,160,130,19,36,82,99,118,116,
4639 32,130,23,130,2,33,4,252,130,4,56,2,103,108,121,102,18,175,137,86,0,0,7,4,0,0,146,128,104,101,97,100,215,145,102,211,130,27,32,204,130,3,33,54,104,130,16,39,8,66,1,195,0,0,1,4,130,
4640 15,59,36,104,109,116,120,138,0,126,128,0,0,1,152,0,0,2,6,108,111,99,97,140,115,176,216,0,0,5,130,30,41,2,4,109,97,120,112,1,174,0,218,130,31,32,40,130,16,44,32,110,97,109,101,37,89,
4641 187,150,0,0,153,132,130,19,44,158,112,111,115,116,166,172,131,239,0,0,155,36,130,51,44,210,112,114,101,112,105,2,1,18,0,0,4,244,130,47,32,8,132,203,46,1,0,0,60,85,233,213,95,15,60,
4642 245,0,3,8,0,131,0,34,183,103,119,130,63,43,0,0,189,146,166,215,0,0,254,128,3,128,131,111,130,241,33,2,0,133,0,32,1,130,65,38,192,254,64,0,0,3,128,131,16,130,5,32,1,131,7,138,3,33,2,
4643 0,130,17,36,1,1,0,144,0,130,121,130,23,38,2,0,8,0,64,0,10,130,9,32,118,130,9,130,6,32,0,130,59,33,1,144,131,200,35,2,188,2,138,130,16,32,143,133,7,37,1,197,0,50,2,0,131,0,33,4,9,131,
4644 5,145,3,43,65,108,116,115,0,64,0,0,32,172,8,0,131,0,35,5,0,1,128,131,77,131,3,33,3,128,191,1,33,1,128,130,184,35,0,0,128,0,130,3,131,11,32,1,130,7,33,0,128,131,1,32,1,136,9,32,0,132,
4645 15,135,5,32,1,131,13,135,27,144,35,32,1,149,25,131,21,32,0,130,0,32,128,132,103,130,35,132,39,32,0,136,45,136,97,133,17,130,5,33,0,0,136,19,34,0,128,1,133,13,133,5,32,128,130,15,132,
4646 131,32,3,130,5,32,3,132,27,144,71,32,0,133,27,130,29,130,31,136,29,131,63,131,3,65,63,5,132,5,132,205,130,9,33,0,0,131,9,137,119,32,3,132,19,138,243,130,55,32,1,132,35,135,19,131,201,
4647 136,11,132,143,137,13,130,41,32,0,131,3,144,35,33,128,0,135,1,131,223,131,3,141,17,134,13,136,63,134,15,136,53,143,15,130,96,33,0,3,131,4,130,3,34,28,0,1,130,5,34,0,0,76,130,17,131,
4648 9,36,28,0,4,0,48,130,17,46,8,0,8,0,2,0,0,0,127,0,255,32,172,255,255,130,9,34,0,0,129,132,9,130,102,33,223,213,134,53,132,22,33,1,6,132,6,64,4,215,32,129,165,216,39,177,0,1,141,184,
4649 1,255,133,134,45,33,198,0,193,1,8,190,244,1,28,1,158,2,20,2,136,2,252,3,20,3,88,3,156,3,222,4,20,4,50,4,80,4,98,4,162,5,22,5,102,5,188,6,18,6,116,6,214,7,56,7,126,7,236,8,78,8,108,
4650 8,150,8,208,9,16,9,74,9,136,10,22,10,128,11,4,11,86,11,200,12,46,12,130,12,234,13,94,13,164,13,234,14,80,14,150,15,40,15,176,16,18,16,116,16,224,17,82,17,182,18,4,18,110,18,196,19,
4651 76,19,172,19,246,20,88,20,174,20,234,21,64,21,128,21,166,21,184,22,18,22,126,22,198,23,52,23,142,23,224,24,86,24,186,24,238,25,54,25,150,25,212,26,72,26,156,26,240,27,92,27,200,28,
4652 4,28,76,28,150,28,234,29,42,29,146,29,210,30,64,30,142,30,224,31,36,31,118,31,166,31,166,32,16,130,1,52,46,32,138,32,178,32,200,33,20,33,116,33,152,33,238,34,98,34,134,35,12,130,1,
4653 33,128,35,131,1,60,152,35,176,35,216,36,0,36,74,36,104,36,144,36,174,37,6,37,96,37,130,37,248,37,248,38,88,38,170,130,1,8,190,216,39,64,39,154,40,10,40,104,40,168,41,14,41,32,41,184,
4654 41,248,42,54,42,96,42,96,43,2,43,42,43,94,43,172,43,230,44,32,44,52,44,154,45,40,45,92,45,120,45,170,45,232,46,38,46,166,47,38,47,182,47,244,48,94,48,200,49,62,49,180,50,30,50,158,
4655 51,30,51,130,51,238,52,92,52,206,53,58,53,134,53,212,54,38,54,114,54,230,55,118,55,216,56,58,56,166,57,18,57,116,57,174,58,46,58,154,59,6,59,124,59,232,60,58,60,150,61,34,61,134,61,
4656 236,62,86,62,198,63,42,63,154,64,18,64,106,64,208,65,54,65,162,66,8,66,64,66,122,66,184,66,240,67,98,67,204,68,42,68,138,68,238,69,88,69,182,69,226,70,84,70,180,71,20,71,122,71,218,
4657 72,84,72,198,73,64,0,36,70,21,8,8,77,3,0,7,0,11,0,15,0,19,0,23,0,27,0,31,0,35,0,39,0,43,0,47,0,51,0,55,0,59,0,63,0,67,0,71,0,75,0,79,0,83,0,87,0,91,0,95,0,99,0,103,0,107,0,111,0,115,
4658 0,119,0,123,0,127,0,131,0,135,0,139,0,143,0,0,17,53,51,21,49,150,3,32,5,130,23,32,33,130,3,211,7,151,115,32,128,133,0,37,252,128,128,2,128,128,190,5,133,74,32,4,133,6,206,5,42,0,7,
4659 1,128,0,0,2,0,4,0,0,65,139,13,37,0,1,53,51,21,7,146,3,32,3,130,19,32,1,141,133,32,3,141,14,131,13,38,255,0,128,128,0,6,1,130,84,35,2,128,4,128,140,91,132,89,32,51,65,143,6,139,7,33,
4660 1,0,130,57,32,254,130,3,32,128,132,4,32,4,131,14,138,89,35,0,0,24,0,130,0,33,3,128,144,171,66,55,33,148,115,65,187,19,32,5,130,151,143,155,163,39,32,1,136,182,32,253,134,178,132,7,
4661 132,200,145,17,32,3,65,48,17,165,17,39,0,0,21,0,128,255,128,3,65,175,17,65,3,27,132,253,131,217,139,201,155,233,155,27,131,67,131,31,130,241,33,255,0,131,181,137,232,132,15,132,4,138,
4662 247,34,255,0,128,179,238,32,0,130,0,32,20,65,239,48,33,0,19,67,235,10,32,51,65,203,14,65,215,11,32,7,154,27,135,39,32,33,130,35,33,128,128,130,231,32,253,132,231,32,128,132,232,34,
4663 128,128,254,133,13,136,8,32,253,65,186,5,130,36,130,42,176,234,133,231,34,128,0,0,66,215,44,33,0,1,68,235,6,68,211,19,32,49,68,239,14,139,207,139,47,66,13,7,32,51,130,47,33,1,0,130,
4664 207,35,128,128,1,0,131,222,131,5,130,212,130,6,131,212,32,0,130,10,133,220,130,233,130,226,32,254,133,255,178,233,39,3,1,128,3,0,2,0,4,68,15,7,68,99,12,130,89,130,104,33,128,4,133,
4665 93,130,10,38,0,0,11,1,0,255,0,68,63,16,70,39,9,66,215,8,32,7,68,77,6,68,175,14,32,29,68,195,6,132,7,35,2,0,128,255,131,91,132,4,65,178,5,141,111,67,129,23,165,135,140,107,142,135,33,
4666 21,5,69,71,6,131,7,33,1,0,140,104,132,142,130,4,137,247,140,30,68,255,12,39,11,0,128,0,128,3,0,3,69,171,15,67,251,7,65,15,8,66,249,11,65,229,7,67,211,7,66,13,7,35,1,128,128,254,133,
4667 93,32,254,131,145,132,4,132,18,32,2,151,128,130,23,34,0,0,9,154,131,65,207,8,68,107,15,68,51,7,32,7,70,59,7,135,121,130,82,32,128,151,111,41,0,0,4,0,128,255,0,1,128,1,137,239,33,0,
4668 37,70,145,10,65,77,10,65,212,14,37,0,0,0,5,0,128,66,109,5,70,123,10,33,0,19,72,33,18,133,237,70,209,11,33,0,2,130,113,137,119,136,115,33,1,0,133,43,130,5,34,0,0,10,69,135,6,70,219,
4669 13,66,155,7,65,9,12,66,157,11,66,9,11,32,7,130,141,132,252,66,151,9,137,9,66,15,30,36,0,20,0,128,0,130,218,71,11,42,68,51,8,65,141,7,73,19,15,69,47,23,143,39,66,81,7,32,1,66,55,6,34,
4670 1,128,128,68,25,5,69,32,6,137,6,136,25,32,254,131,42,32,3,66,88,26,148,26,32,0,130,0,32,14,164,231,70,225,12,66,233,7,67,133,19,71,203,15,130,161,32,255,130,155,32,254,139,127,134,
4671 12,164,174,33,0,15,164,159,33,59,0,65,125,20,66,25,7,32,5,68,191,6,66,29,7,144,165,65,105,9,35,128,128,255,0,137,2,133,182,164,169,33,128,128,197,171,130,155,68,235,7,32,21,70,77,19,
4672 66,21,10,68,97,8,66,30,5,66,4,43,34,0,17,0,71,19,41,65,253,20,71,25,23,65,91,15,65,115,7,34,2,128,128,66,9,8,130,169,33,1,0,66,212,13,132,28,72,201,43,35,0,0,0,18,66,27,38,76,231,5,
4673 68,157,20,135,157,32,7,68,185,13,65,129,28,66,20,5,32,253,66,210,11,65,128,49,133,61,32,0,65,135,6,74,111,37,72,149,12,66,203,19,65,147,19,68,93,7,68,85,8,76,4,5,33,255,0,133,129,34,
4674 254,0,128,68,69,8,181,197,34,0,0,12,65,135,32,65,123,20,69,183,27,133,156,66,50,5,72,87,10,67,137,32,33,0,19,160,139,78,251,13,68,55,20,67,119,19,65,91,36,69,177,15,32,254,143,16,65,
4675 98,53,32,128,130,0,32,0,66,43,54,70,141,23,66,23,15,131,39,69,47,11,131,15,70,129,19,74,161,9,36,128,255,0,128,254,130,153,65,148,32,67,41,9,34,0,0,4,79,15,5,73,99,10,71,203,8,32,3,
4676 72,123,6,72,43,8,32,2,133,56,131,99,130,9,34,0,0,6,72,175,5,73,159,14,144,63,135,197,132,189,133,66,33,255,0,73,6,7,70,137,12,35,0,0,0,10,130,3,73,243,25,67,113,12,65,73,7,69,161,7,
4677 138,7,37,21,2,0,128,128,254,134,3,73,116,27,33,128,128,130,111,39,12,0,128,1,0,3,128,2,72,219,21,35,43,0,47,0,67,47,20,130,111,33,21,1,68,167,13,81,147,8,133,230,32,128,77,73,6,32,
4678 128,131,142,134,18,130,6,32,255,75,18,12,131,243,37,128,0,128,3,128,3,74,231,21,135,123,32,29,134,107,135,7,32,21,74,117,7,135,7,134,96,135,246,74,103,23,132,242,33,0,10,67,151,28,
4679 67,133,20,66,141,11,131,11,32,3,77,71,6,32,128,130,113,32,1,81,4,6,134,218,66,130,24,131,31,34,0,26,0,130,0,77,255,44,83,15,11,148,155,68,13,7,32,49,78,231,18,79,7,11,73,243,11,32,
4680 33,65,187,10,130,63,65,87,8,73,239,19,35,0,128,1,0,131,226,32,252,65,100,6,32,128,139,8,33,1,0,130,21,32,253,72,155,44,73,255,20,32,128,71,67,8,81,243,39,67,15,20,74,191,23,68,121,
4681 27,32,1,66,150,6,32,254,79,19,11,131,214,32,128,130,215,37,2,0,128,253,0,128,136,5,65,220,24,147,212,130,210,33,0,24,72,219,42,84,255,13,67,119,16,69,245,19,72,225,19,65,3,15,69,93,
4682 19,131,55,132,178,71,115,14,81,228,6,142,245,33,253,0,132,43,172,252,65,16,11,75,219,8,65,219,31,66,223,24,75,223,10,33,29,1,80,243,10,66,175,8,131,110,134,203,133,172,130,16,70,30,
4683 7,164,183,130,163,32,20,65,171,48,65,163,36,65,143,23,65,151,19,65,147,13,65,134,17,133,17,130,216,67,114,5,164,217,65,137,12,72,147,48,79,71,19,74,169,22,80,251,8,65,173,7,66,157,
4684 15,74,173,15,32,254,65,170,8,71,186,45,72,131,6,77,143,40,187,195,152,179,65,123,38,68,215,57,68,179,15,65,85,7,69,187,14,32,21,66,95,15,67,19,25,32,1,83,223,6,32,2,76,240,7,77,166,
4685 43,65,8,5,130,206,32,0,67,39,54,143,167,66,255,19,82,193,11,151,47,85,171,5,67,27,17,132,160,69,172,11,69,184,56,66,95,6,33,12,1,130,237,32,2,68,179,27,68,175,16,80,135,15,72,55,7,
4686 71,87,12,73,3,12,132,12,66,75,32,76,215,5,169,139,147,135,148,139,81,12,12,81,185,36,75,251,7,65,23,27,76,215,9,87,165,12,65,209,15,72,157,7,65,245,31,32,128,71,128,6,32,1,82,125,5,
4687 34,0,128,254,131,169,32,254,131,187,71,180,9,132,27,32,2,88,129,44,32,0,78,47,40,65,79,23,79,171,14,32,21,71,87,8,72,15,14,65,224,33,130,139,74,27,62,93,23,7,68,31,7,75,27,7,139,15,
4688 74,3,7,74,23,27,65,165,11,65,177,15,67,123,5,32,1,130,221,32,252,71,96,5,74,12,12,133,244,130,25,34,1,0,128,130,2,139,8,93,26,8,65,9,32,65,57,14,140,14,32,0,73,79,67,68,119,11,135,
4689 11,32,51,90,75,14,139,247,65,43,7,131,19,139,11,69,159,11,65,247,6,36,1,128,128,253,0,90,71,9,33,1,0,132,14,32,128,89,93,14,69,133,6,130,44,131,30,131,6,65,20,56,33,0,16,72,179,40,
4690 75,47,12,65,215,19,74,95,19,65,43,11,131,168,67,110,5,75,23,17,69,106,6,75,65,5,71,204,43,32,0,80,75,47,71,203,15,159,181,68,91,11,67,197,7,73,101,13,68,85,6,33,128,128,130,214,130,
4691 25,32,254,74,236,48,130,194,37,0,18,0,128,255,128,77,215,40,65,139,64,32,51,80,159,10,65,147,39,130,219,84,212,43,130,46,75,19,97,74,33,11,65,201,23,65,173,31,33,1,0,79,133,6,66,150,
4692 5,67,75,48,85,187,6,70,207,37,32,71,87,221,13,73,163,14,80,167,15,132,15,83,193,19,82,209,8,78,99,9,72,190,11,77,110,49,89,63,5,80,91,35,99,63,32,70,235,23,81,99,10,69,148,10,65,110,
4693 36,32,0,65,99,47,95,219,11,68,171,51,66,87,7,72,57,7,74,45,17,143,17,65,114,50,33,14,0,65,111,40,159,195,98,135,15,35,7,53,51,21,100,78,9,95,146,16,32,254,82,114,6,32,128,67,208,37,
4694 130,166,99,79,58,32,17,96,99,14,72,31,19,72,87,31,82,155,7,67,47,14,32,21,131,75,134,231,72,51,17,72,78,8,133,8,80,133,6,33,253,128,88,37,9,66,124,36,72,65,12,134,12,71,55,43,66,139,
4695 27,85,135,10,91,33,12,65,35,11,66,131,11,71,32,8,90,127,6,130,244,71,76,11,168,207,33,0,12,66,123,32,32,0,65,183,15,68,135,11,66,111,7,67,235,11,66,111,15,32,254,97,66,12,160,154,67,
4696 227,52,80,33,15,87,249,15,93,45,31,75,111,12,93,45,11,77,99,9,160,184,81,31,12,32,15,98,135,30,104,175,7,77,249,36,69,73,15,78,5,12,32,254,66,151,19,34,128,128,4,87,32,12,149,35,133,
4697 21,96,151,31,32,19,72,35,5,98,173,15,143,15,32,21,143,99,158,129,33,0,0,65,35,52,65,11,15,147,15,98,75,11,33,1,0,143,151,132,15,32,254,99,200,37,132,43,130,4,39,0,10,0,128,1,128,3,
4698 0,104,151,14,97,187,20,69,131,15,67,195,11,87,227,7,33,128,128,132,128,33,254,0,68,131,9,65,46,26,42,0,0,0,7,0,0,255,128,3,128,0,88,223,15,33,0,21,89,61,22,66,209,12,65,2,12,37,0,2,
4699 1,0,3,128,101,83,8,36,0,1,53,51,29,130,3,34,21,1,0,66,53,8,32,0,68,215,6,100,55,25,107,111,9,66,193,11,72,167,8,73,143,31,139,31,33,1,0,131,158,32,254,132,5,33,253,128,65,16,9,133,
4700 17,89,130,25,141,212,33,0,0,93,39,8,90,131,25,93,39,14,66,217,6,106,179,8,159,181,71,125,15,139,47,138,141,87,11,14,76,23,14,65,231,26,140,209,66,122,8,81,179,5,101,195,26,32,47,74,
4701 75,13,69,159,11,83,235,11,67,21,16,136,167,131,106,130,165,130,15,32,128,101,90,24,134,142,32,0,65,103,51,108,23,11,101,231,15,75,173,23,74,237,23,66,15,6,66,46,17,66,58,17,65,105,
4702 49,66,247,55,71,179,12,70,139,15,86,229,7,84,167,15,32,1,95,72,12,89,49,6,33,128,128,65,136,38,66,30,9,32,0,100,239,7,66,247,29,70,105,20,65,141,19,69,81,15,130,144,32,128,83,41,5,
4703 32,255,131,177,68,185,5,133,126,65,97,37,32,0,130,0,33,21,0,130,55,66,195,28,67,155,13,34,79,0,83,66,213,13,73,241,19,66,59,19,65,125,11,135,201,66,249,16,32,128,66,44,11,66,56,17,
4704 68,143,8,68,124,38,67,183,12,96,211,9,65,143,29,112,171,5,32,0,68,131,63,34,33,53,51,71,121,11,32,254,98,251,16,32,253,74,231,10,65,175,37,133,206,37,0,0,8,1,0,0,107,123,11,113,115,
4705 9,33,0,1,130,117,131,3,73,103,7,66,51,18,66,44,5,133,75,70,88,5,32,254,65,39,12,68,80,9,34,12,0,128,107,179,28,68,223,6,155,111,86,147,15,32,2,131,82,141,110,33,254,0,130,15,32,4,103,
4706 184,15,141,35,87,176,5,83,11,5,71,235,23,114,107,11,65,189,16,70,33,15,86,153,31,135,126,86,145,30,65,183,41,32,0,130,0,32,10,65,183,24,34,35,0,39,67,85,9,65,179,15,143,15,33,1,0,65,
4707 28,17,157,136,130,123,32,20,130,3,32,0,97,135,24,115,167,19,80,71,12,32,51,110,163,14,78,35,19,131,19,155,23,77,229,8,78,9,17,151,17,67,231,46,94,135,8,73,31,31,93,215,56,82,171,25,
4708 72,77,8,162,179,169,167,99,131,11,69,85,19,66,215,15,76,129,13,68,115,22,72,79,35,67,113,5,34,0,0,19,70,31,46,65,89,52,73,223,15,85,199,33,95,33,8,132,203,73,29,32,67,48,16,177,215,
4709 101,13,15,65,141,43,69,141,15,75,89,5,70,0,11,70,235,21,178,215,36,10,0,128,0,0,71,207,24,33,0,19,100,67,6,80,215,11,66,67,7,80,43,12,71,106,7,80,192,5,65,63,5,66,217,26,33,0,13,156,
4710 119,68,95,5,72,233,12,134,129,85,81,11,76,165,20,65,43,8,73,136,8,75,10,31,38,128,128,0,0,0,13,1,130,4,32,3,106,235,29,114,179,12,66,131,23,32,7,77,133,6,67,89,12,131,139,116,60,9,
4711 89,15,37,32,0,74,15,7,103,11,22,65,35,5,33,55,0,93,81,28,67,239,23,78,85,5,107,93,14,66,84,17,65,193,26,74,183,10,66,67,34,143,135,79,91,15,32,7,117,111,8,75,56,9,84,212,9,154,134,
4712 32,0,130,0,32,18,130,3,70,171,41,83,7,16,70,131,19,84,191,15,84,175,19,84,167,30,84,158,12,154,193,68,107,15,33,0,0,65,79,42,65,71,7,73,55,7,118,191,16,83,180,9,32,255,76,166,9,154,
4713 141,32,0,130,0,69,195,52,65,225,15,151,15,75,215,31,80,56,10,68,240,17,100,32,9,70,147,39,65,93,12,71,71,41,92,85,15,84,135,23,78,35,15,110,27,10,84,125,8,107,115,29,136,160,38,0,0,
4714 14,0,128,255,0,82,155,24,67,239,8,119,255,11,69,131,11,77,29,6,112,31,8,134,27,105,203,8,32,2,75,51,11,75,195,12,74,13,29,136,161,37,128,0,0,0,11,1,130,163,82,115,8,125,191,17,69,35,
4715 12,74,137,15,143,15,32,1,65,157,12,136,12,161,142,65,43,40,65,199,6,65,19,24,102,185,11,76,123,11,99,6,12,135,12,32,254,130,8,161,155,101,23,9,39,8,0,0,1,128,3,128,2,78,63,17,72,245,
4716 12,67,41,11,90,167,9,32,128,97,49,9,32,128,109,51,14,132,97,81,191,8,130,97,125,99,12,121,35,9,127,75,15,71,79,12,81,151,23,87,97,7,70,223,15,80,245,16,105,97,15,32,254,113,17,6,32,
4717 128,130,8,105,105,8,76,122,18,65,243,21,74,63,7,38,4,1,0,255,0,2,0,119,247,28,133,65,32,255,141,91,35,0,0,0,16,67,63,36,34,59,0,63,77,59,9,119,147,11,143,241,66,173,15,66,31,11,67,
4718 75,8,81,74,16,32,128,131,255,87,181,42,127,43,5,34,255,128,2,120,235,11,37,19,0,23,0,0,37,109,191,14,118,219,7,127,43,14,65,79,14,35,0,0,0,3,73,91,5,130,5,38,3,0,7,0,11,0,0,70,205,
4719 11,88,221,12,32,0,73,135,7,87,15,22,73,135,10,79,153,15,97,71,19,65,49,11,32,1,131,104,121,235,11,80,65,11,142,179,144,14,81,123,46,32,1,88,217,5,112,5,8,65,201,15,83,29,15,122,147,
4720 11,135,179,142,175,143,185,67,247,39,66,199,7,35,5,0,128,3,69,203,15,123,163,12,67,127,7,130,119,71,153,10,141,102,70,175,8,32,128,121,235,30,136,89,100,191,11,116,195,11,111,235,15,
4721 72,39,7,32,2,97,43,5,132,5,94,67,8,131,8,125,253,10,32,3,65,158,16,146,16,130,170,40,0,21,0,128,0,0,3,128,5,88,219,15,24,64,159,32,135,141,65,167,15,68,163,10,97,73,49,32,255,82,58,
4722 7,93,80,8,97,81,16,24,67,87,52,34,0,0,5,130,231,33,128,2,80,51,13,65,129,8,113,61,6,132,175,65,219,5,130,136,77,152,17,32,0,95,131,61,70,215,6,33,21,51,90,53,10,78,97,23,105,77,31,
4723 65,117,7,139,75,24,68,195,9,24,64,22,9,33,0,128,130,11,33,128,128,66,25,5,121,38,5,134,5,134,45,66,40,36,66,59,18,34,128,0,0,66,59,81,135,245,123,103,19,120,159,19,77,175,12,33,255,
4724 0,87,29,10,94,70,21,66,59,54,39,3,1,128,3,0,2,128,4,24,65,7,15,66,47,7,72,98,12,37,0,0,0,3,1,0,24,65,55,21,131,195,32,1,67,178,6,33,4,0,77,141,8,32,6,131,47,74,67,16,24,69,3,20,24,
4725 65,251,7,133,234,130,229,94,108,17,35,0,0,6,0,141,175,86,59,5,162,79,85,166,8,70,112,13,32,13,24,64,67,26,24,71,255,7,123,211,12,80,121,11,69,215,15,66,217,11,69,71,10,131,113,132,
4726 126,119,90,9,66,117,19,132,19,32,0,130,0,24,64,47,59,33,7,0,73,227,5,68,243,15,85,13,12,76,37,22,74,254,15,130,138,33,0,4,65,111,6,137,79,65,107,16,32,1,77,200,6,34,128,128,3,75,154,
4727 12,37,0,16,0,0,2,0,104,115,36,140,157,68,67,19,68,51,15,106,243,15,134,120,70,37,10,68,27,10,140,152,65,121,24,32,128,94,155,7,67,11,8,24,74,11,25,65,3,12,83,89,18,82,21,37,67,200,
4728 5,130,144,24,64,172,12,33,4,0,134,162,74,80,14,145,184,32,0,130,0,69,251,20,32,19,81,243,5,82,143,8,33,5,53,89,203,5,133,112,79,109,15,33,0,21,130,71,80,175,41,36,75,0,79,0,83,121,
4729 117,9,87,89,27,66,103,11,70,13,15,75,191,11,135,67,87,97,20,109,203,5,69,246,8,108,171,5,78,195,38,65,51,13,107,203,11,77,3,17,24,75,239,17,65,229,28,79,129,39,130,175,32,128,123,253,
4730 7,132,142,24,65,51,15,65,239,41,36,128,128,0,0,13,65,171,5,66,163,28,136,183,118,137,11,80,255,15,67,65,7,74,111,8,32,0,130,157,32,253,24,76,35,10,103,212,5,81,175,9,69,141,7,66,150,
4731 29,131,158,24,75,199,28,124,185,7,76,205,15,68,124,14,32,3,123,139,16,130,16,33,128,128,108,199,6,33,0,3,65,191,35,107,11,6,73,197,11,24,70,121,15,83,247,15,24,70,173,23,69,205,14,
4732 32,253,131,140,32,254,136,4,94,198,9,32,3,78,4,13,66,127,13,143,13,32,0,130,0,33,16,0,24,69,59,39,109,147,12,76,253,19,24,69,207,15,69,229,15,130,195,71,90,10,139,10,130,152,73,43,
4733 40,91,139,10,65,131,37,35,75,0,79,0,84,227,12,143,151,68,25,15,80,9,23,95,169,11,34,128,2,128,112,186,5,130,6,83,161,19,76,50,6,130,37,65,145,44,110,83,5,32,16,67,99,6,71,67,15,76,
4734 55,17,140,215,67,97,23,76,69,15,77,237,11,104,211,23,77,238,11,65,154,43,33,0,10,83,15,28,83,13,20,67,145,19,67,141,14,97,149,21,68,9,15,86,251,5,66,207,5,66,27,37,82,1,23,127,71,12,
4735 94,235,10,110,175,24,98,243,15,132,154,132,4,24,66,69,10,32,4,67,156,43,130,198,35,2,1,0,4,75,27,9,69,85,9,95,240,7,32,128,130,35,32,28,66,43,40,24,82,63,23,83,123,12,72,231,15,127,
4736 59,23,116,23,19,117,71,7,24,77,99,15,67,111,15,71,101,8,36,2,128,128,252,128,127,60,11,32,1,132,16,130,18,141,24,67,107,9,32,3,68,194,15,175,15,38,0,11,0,128,1,128,2,80,63,25,32,0,
4737 24,65,73,11,69,185,15,83,243,16,32,0,24,81,165,8,130,86,77,35,6,155,163,88,203,5,24,66,195,30,70,19,19,24,80,133,15,32,1,75,211,8,32,254,108,133,8,79,87,20,65,32,9,41,0,0,7,0,128,0,
4738 0,2,128,2,68,87,15,66,1,16,92,201,16,24,76,24,17,133,17,34,128,0,30,66,127,64,34,115,0,119,73,205,9,66,43,11,109,143,15,24,79,203,11,90,143,15,131,15,155,31,65,185,15,86,87,11,35,128,
4739 128,253,0,69,7,6,130,213,33,1,0,119,178,15,142,17,66,141,74,83,28,6,36,7,0,0,4,128,82,39,18,76,149,12,67,69,21,32,128,79,118,15,32,0,130,0,32,8,131,206,32,2,79,83,9,100,223,14,102,
4740 113,23,115,115,7,24,65,231,12,130,162,32,4,68,182,19,130,102,93,143,8,69,107,29,24,77,255,12,143,197,72,51,7,76,195,15,132,139,85,49,15,130,152,131,18,71,81,23,70,14,11,36,0,10,0,128,
4741 2,69,59,9,89,151,15,66,241,11,76,165,12,71,43,15,75,49,13,65,12,23,132,37,32,0,179,115,130,231,95,181,16,132,77,32,254,67,224,8,65,126,20,79,171,8,32,2,89,81,5,75,143,6,80,41,8,34,
4742 2,0,128,24,81,72,9,32,0,130,0,35,17,0,0,255,77,99,39,95,65,36,67,109,15,24,69,93,11,77,239,5,95,77,23,35,128,1,0,128,24,86,7,8,132,167,32,2,69,198,41,130,202,33,0,26,120,75,44,24,89,
4743 51,15,71,243,12,70,239,11,24,84,3,11,66,7,11,71,255,10,32,21,69,155,35,88,151,12,32,128,74,38,10,65,210,8,74,251,5,65,226,5,75,201,13,32,3,65,9,41,146,41,40,0,0,0,9,1,0,1,0,2,91,99,
4744 19,32,35,106,119,13,70,219,15,83,239,12,137,154,32,2,67,252,19,36,128,0,0,4,1,130,196,32,2,130,8,91,107,8,32,0,135,81,24,73,211,8,132,161,73,164,13,36,0,8,0,128,2,105,123,26,139,67,
4745 76,99,15,34,1,0,128,135,76,83,156,20,92,104,8,67,251,30,24,86,47,27,123,207,12,24,86,7,15,71,227,8,32,4,65,20,20,131,127,32,0,130,123,32,0,71,223,26,32,19,90,195,22,71,223,15,84,200,
4746 6,32,128,133,241,24,84,149,9,67,41,25,36,0,0,0,22,0,88,111,49,32,87,66,21,5,77,3,27,123,75,7,71,143,19,135,183,71,183,19,130,171,74,252,5,131,5,89,87,17,32,1,132,18,130,232,68,11,10,
4747 33,1,128,70,208,16,66,230,18,147,18,130,254,223,255,75,27,23,65,59,15,135,39,155,255,34,128,128,254,104,92,8,33,0,128,65,32,11,65,1,58,33,26,0,130,0,72,71,18,78,55,17,76,11,19,86,101,
4748 12,75,223,11,89,15,11,24,76,87,15,75,235,15,131,15,72,95,7,85,71,11,72,115,11,73,64,6,34,1,128,128,66,215,9,34,128,254,128,134,14,33,128,255,67,102,5,32,0,130,16,70,38,11,66,26,57,
4749 88,11,8,24,76,215,34,78,139,7,95,245,7,32,7,24,73,75,23,32,128,131,167,130,170,101,158,9,82,49,22,118,139,6,32,18,67,155,44,116,187,9,108,55,14,80,155,23,66,131,15,93,77,10,131,168,
4750 32,128,73,211,12,24,75,187,22,32,4,96,71,20,67,108,19,132,19,120,207,8,32,5,76,79,15,66,111,21,66,95,8,32,3,190,211,111,3,8,211,212,32,20,65,167,44,34,75,0,79,97,59,13,32,33,112,63,
4751 10,65,147,19,69,39,19,143,39,24,66,71,9,130,224,65,185,43,94,176,12,65,183,24,71,38,8,24,72,167,7,65,191,38,136,235,24,96,167,12,65,203,62,115,131,13,65,208,42,175,235,67,127,6,32,
4752 4,76,171,29,114,187,5,32,71,65,211,5,65,203,68,72,51,8,164,219,32,0,172,214,71,239,58,78,3,27,66,143,15,77,19,15,147,31,35,33,53,51,21,66,183,10,173,245,66,170,30,150,30,34,0,0,23,
4753 80,123,54,76,1,16,73,125,15,82,245,11,167,253,24,76,85,12,70,184,5,32,254,131,185,37,254,0,128,1,0,128,133,16,117,158,18,92,27,38,65,3,17,130,251,35,17,0,128,254,24,69,83,39,140,243,
4754 121,73,19,109,167,7,81,41,15,24,95,175,12,102,227,15,121,96,11,24,95,189,7,32,3,145,171,154,17,24,77,47,9,33,0,5,70,71,37,68,135,7,32,29,117,171,11,69,87,15,24,79,97,19,24,79,149,23,
4755 131,59,32,1,75,235,5,72,115,11,72,143,7,132,188,71,27,46,131,51,32,0,69,95,6,175,215,32,21,131,167,81,15,19,151,191,151,23,131,215,71,43,5,32,254,24,79,164,24,74,109,8,77,166,13,65,
4756 176,26,88,162,5,98,159,6,171,219,120,247,6,79,29,8,99,169,10,103,59,19,65,209,35,131,35,91,25,19,112,94,15,83,36,8,173,229,33,20,0,88,75,43,71,31,12,65,191,71,33,1,0,130,203,32,254,
4757 131,4,68,66,7,67,130,6,104,61,13,173,215,38,13,1,0,0,0,2,128,67,111,28,74,129,16,104,35,19,79,161,16,87,14,7,138,143,132,10,67,62,36,114,115,5,162,151,67,33,16,108,181,15,143,151,67,
4758 5,5,24,100,242,15,170,153,34,0,0,14,65,51,34,32,55,79,75,9,32,51,74,7,10,65,57,38,132,142,32,254,72,0,14,139,163,32,128,80,254,8,67,158,21,65,63,7,32,4,72,227,27,95,155,12,67,119,19,
4759 124,91,24,149,154,72,177,34,97,223,8,155,151,24,108,227,15,88,147,16,72,117,19,68,35,11,92,253,15,70,199,15,24,87,209,17,32,2,87,233,7,32,1,24,88,195,10,119,24,8,32,3,81,227,24,65,
4760 125,21,35,128,128,0,25,76,59,48,24,90,187,9,97,235,12,66,61,11,91,105,19,24,79,141,11,24,79,117,15,24,79,129,27,90,53,13,130,13,32,253,131,228,24,79,133,40,69,70,8,66,137,31,65,33,
4761 19,96,107,8,68,119,29,66,7,5,68,125,16,65,253,19,65,241,27,24,90,179,13,24,79,143,18,33,128,128,130,246,32,254,130,168,68,154,36,77,51,9,97,47,5,167,195,32,21,131,183,78,239,27,155,
4762 195,78,231,14,201,196,77,11,6,32,5,73,111,37,97,247,12,77,19,31,155,207,78,215,19,162,212,69,17,14,66,91,19,80,143,57,78,203,39,159,215,32,128,93,134,8,24,80,109,24,66,113,15,169,215,
4763 66,115,6,32,4,69,63,33,32,0,101,113,7,86,227,35,143,211,36,49,53,51,21,1,77,185,14,65,159,28,69,251,34,67,56,8,33,9,0,24,107,175,25,90,111,12,110,251,11,119,189,24,119,187,34,87,15,
4764 9,32,4,66,231,37,90,39,7,66,239,8,84,219,15,69,105,23,24,85,27,27,87,31,11,33,1,128,76,94,6,32,1,85,241,7,33,128,128,106,48,10,33,128,128,69,136,11,133,13,24,79,116,49,84,236,8,24,
4765 91,87,9,32,5,165,255,69,115,12,66,27,15,159,15,24,72,247,12,74,178,5,24,80,64,15,33,0,128,143,17,77,89,51,130,214,24,81,43,7,170,215,74,49,8,159,199,143,31,139,215,69,143,5,32,254,
4766 24,81,50,35,181,217,84,123,70,143,195,159,15,65,187,16,66,123,7,65,175,15,65,193,29,68,207,39,79,27,5,70,131,6,32,4,68,211,33,33,67,0,83,143,14,159,207,143,31,140,223,33,0,128,24,80,
4767 82,14,24,93,16,23,32,253,65,195,5,68,227,40,133,214,107,31,7,32,5,67,115,27,87,9,8,107,31,43,66,125,6,32,0,103,177,23,131,127,72,203,36,32,0,110,103,8,155,163,73,135,6,32,19,24,112,
4768 99,10,65,71,11,73,143,19,143,31,126,195,5,24,85,21,9,24,76,47,14,32,254,24,93,77,36,68,207,11,39,25,0,0,255,128,3,128,4,66,51,37,95,247,13,82,255,24,76,39,19,147,221,66,85,27,24,118,
4769 7,8,24,74,249,12,76,74,8,91,234,8,67,80,17,131,222,33,253,0,121,30,44,73,0,16,69,15,6,32,0,65,23,38,69,231,12,65,179,6,98,131,16,86,31,27,24,108,157,14,80,160,8,24,65,46,17,33,4,0,
4770 96,2,18,144,191,65,226,8,68,19,5,171,199,80,9,15,180,199,67,89,5,32,255,24,79,173,28,174,201,24,79,179,50,32,1,24,122,5,10,82,61,10,180,209,83,19,8,32,128,24,80,129,27,111,248,43,131,
4771 71,24,115,103,8,67,127,41,78,213,24,100,247,19,66,115,39,75,107,5,32,254,165,219,78,170,40,24,112,163,49,32,1,97,203,6,65,173,64,32,0,83,54,7,133,217,88,37,12,32,254,131,28,33,128,
4772 3,67,71,44,84,183,6,32,5,69,223,33,96,7,7,123,137,16,192,211,24,112,14,9,32,255,67,88,29,68,14,10,84,197,38,33,0,22,116,47,50,32,87,106,99,9,116,49,15,89,225,15,97,231,23,70,41,19,
4773 82,85,8,93,167,6,32,253,132,236,108,190,7,89,251,5,116,49,58,33,128,128,131,234,32,15,24,74,67,38,70,227,24,24,83,45,23,89,219,12,70,187,12,89,216,19,32,2,69,185,24,141,24,70,143,66,
4774 24,82,119,56,78,24,10,32,253,133,149,132,6,24,106,233,7,69,198,48,178,203,81,243,12,68,211,15,106,255,23,66,91,15,69,193,7,100,39,10,24,83,72,16,176,204,33,19,0,88,207,45,68,21,12,
4775 68,17,10,65,157,53,68,17,6,32,254,92,67,10,65,161,25,69,182,43,24,118,91,47,69,183,18,181,209,111,253,12,89,159,8,66,112,12,69,184,45,35,0,0,0,9,24,80,227,26,73,185,16,118,195,15,131,
4776 15,33,1,0,65,59,15,66,39,27,160,111,66,205,12,148,111,143,110,33,128,128,156,112,24,81,199,8,75,199,23,66,117,20,155,121,32,254,68,126,12,72,213,29,134,239,149,123,89,27,16,148,117,
4777 65,245,8,24,71,159,14,141,134,134,28,73,51,55,109,77,15,105,131,11,68,67,11,76,169,27,107,209,12,102,174,8,32,128,72,100,18,116,163,56,79,203,11,75,183,44,85,119,19,71,119,23,151,227,
4778 32,1,93,27,8,65,122,5,77,102,8,110,120,20,66,23,8,66,175,17,66,63,12,133,12,79,35,8,74,235,33,67,149,16,69,243,15,78,57,15,69,235,16,67,177,7,151,192,130,23,67,84,29,141,192,174,187,
4779 77,67,15,69,11,12,159,187,77,59,10,199,189,24,70,235,50,96,83,19,66,53,23,105,65,19,77,47,12,163,199,66,67,37,78,207,50,67,23,23,174,205,67,228,6,71,107,13,67,22,14,66,85,11,83,187,
4780 38,124,47,49,95,7,19,66,83,23,67,23,19,24,96,78,17,80,101,16,71,98,40,33,0,7,88,131,22,24,89,245,12,84,45,12,102,213,5,123,12,9,32,2,126,21,14,43,255,0,128,128,0,0,20,0,128,255,128,
4781 3,126,19,39,32,75,106,51,7,113,129,15,24,110,135,19,126,47,15,115,117,11,69,47,11,32,2,109,76,9,102,109,9,32,128,75,2,10,130,21,32,254,69,47,6,32,3,94,217,47,32,0,65,247,10,69,15,46,
4782 65,235,31,65,243,15,101,139,10,66,174,14,65,247,16,72,102,28,69,17,14,84,243,9,165,191,88,47,48,66,53,12,32,128,71,108,6,203,193,32,17,75,187,42,73,65,16,65,133,52,114,123,9,167,199,
4783 69,21,37,86,127,44,75,171,11,180,197,78,213,12,148,200,81,97,46,24,95,243,9,32,4,66,75,33,113,103,9,87,243,36,143,225,24,84,27,31,90,145,8,148,216,67,49,5,24,84,34,14,75,155,27,67,
4784 52,13,140,13,36,0,20,0,128,255,24,135,99,46,88,59,43,155,249,80,165,7,136,144,71,161,23,32,253,132,33,32,254,88,87,44,136,84,35,128,0,0,21,81,103,5,94,47,44,76,51,12,143,197,151,15,
4785 65,215,31,24,64,77,13,65,220,20,65,214,14,71,4,40,65,213,13,32,0,130,0,35,21,1,2,0,135,0,34,36,0,72,134,10,36,1,0,26,0,130,134,11,36,2,0,14,0,108,134,11,32,3,138,23,32,4,138,11,34,
4786 5,0,20,134,33,34,0,0,6,132,23,32,1,134,15,32,18,130,25,133,11,37,1,0,13,0,49,0,133,11,36,2,0,7,0,38,134,11,36,3,0,17,0,45,134,11,32,4,138,35,36,5,0,10,0,62,134,23,32,6,132,23,36,3,
4787 0,1,4,9,130,87,131,167,133,11,133,167,133,11,133,167,133,11,37,3,0,34,0,122,0,133,11,133,167,133,11,133,167,133,11,133,167,34,50,0,48,130,1,34,52,0,47,134,5,8,49,49,0,53,98,121,32,
4788 84,114,105,115,116,97,110,32,71,114,105,109,109,101,114,82,101,103,117,108,97,114,84,84,88,32,80,114,111,103,103,121,67,108,101,97,110,84,84,50,48,48,52,47,130,2,53,49,53,0,98,0,121,
4789 0,32,0,84,0,114,0,105,0,115,0,116,0,97,0,110,130,15,32,71,132,15,36,109,0,109,0,101,130,9,32,82,130,5,36,103,0,117,0,108,130,29,32,114,130,43,34,84,0,88,130,35,32,80,130,25,34,111,
4790 0,103,130,1,34,121,0,67,130,27,32,101,132,59,32,84,130,31,33,0,0,65,155,9,34,20,0,0,65,11,6,130,8,135,2,33,1,1,130,9,8,120,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,1,10,1,11,1,12,1,13,1,14,
4791 1,15,1,16,1,17,1,18,1,19,1,20,1,21,1,22,1,23,1,24,1,25,1,26,1,27,1,28,1,29,1,30,1,31,1,32,0,3,0,4,0,5,0,6,0,7,0,8,0,9,0,10,0,11,0,12,0,13,0,14,0,15,0,16,0,17,0,18,0,19,0,20,0,21,0,
4792 22,0,23,0,24,0,25,0,26,0,27,0,28,0,29,0,30,0,31,130,187,8,66,33,0,34,0,35,0,36,0,37,0,38,0,39,0,40,0,41,0,42,0,43,0,44,0,45,0,46,0,47,0,48,0,49,0,50,0,51,0,52,0,53,0,54,0,55,0,56,0,
4793 57,0,58,0,59,0,60,0,61,0,62,0,63,0,64,0,65,0,66,130,243,9,75,68,0,69,0,70,0,71,0,72,0,73,0,74,0,75,0,76,0,77,0,78,0,79,0,80,0,81,0,82,0,83,0,84,0,85,0,86,0,87,0,88,0,89,0,90,0,91,0,
4794 92,0,93,0,94,0,95,0,96,0,97,1,33,1,34,1,35,1,36,1,37,1,38,1,39,1,40,1,41,1,42,1,43,1,44,1,45,1,46,1,47,1,48,1,49,1,50,1,51,1,52,1,53,1,54,1,55,1,56,1,57,1,58,1,59,1,60,1,61,1,62,1,
4795 63,1,64,1,65,0,172,0,163,0,132,0,133,0,189,0,150,0,232,0,134,0,142,0,139,0,157,0,169,0,164,0,239,0,138,0,218,0,131,0,147,0,242,0,243,0,141,0,151,0,136,0,195,0,222,0,241,0,158,0,170,
4796 0,245,0,244,0,246,0,162,0,173,0,201,0,199,0,174,0,98,0,99,0,144,0,100,0,203,0,101,0,200,0,202,0,207,0,204,0,205,0,206,0,233,0,102,0,211,0,208,0,209,0,175,0,103,0,240,0,145,0,214,0,
4797 212,0,213,0,104,0,235,0,237,0,137,0,106,0,105,0,107,0,109,0,108,0,110,0,160,0,111,0,113,0,112,0,114,0,115,0,117,0,116,0,118,0,119,0,234,0,120,0,122,0,121,0,123,0,125,0,124,0,184,0,
4798 161,0,127,0,126,0,128,0,129,0,236,0,238,0,186,14,117,110,105,99,111,100,101,35,48,120,48,48,48,49,141,14,32,50,141,14,32,51,141,14,32,52,141,14,32,53,141,14,32,54,141,14,32,55,141,
4799 14,32,56,141,14,32,57,141,14,32,97,141,14,32,98,141,14,32,99,141,14,32,100,141,14,32,101,141,14,32,102,140,14,33,49,48,141,14,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,
4800 141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,45,49,102,6,100,101,108,101,116,101,4,69,117,114,
4801 111,140,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,
4802 32,56,141,236,32,56,141,236,32,56,65,220,13,32,57,65,220,13,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,
4803 239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,35,57,102,0,0,5,250,72,249,98,247,
4804};
4805
4806static const char* GetDefaultCompressedFontDataTTF(int* out_size)
4807{
4808 *out_size = proggy_clean_ttf_compressed_size;
4809 return (const char*)proggy_clean_ttf_compressed_data;
4810}
4811#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
4812
4813#endif // #ifndef IMGUI_DISABLE
4814

source code of imgui/imgui_draw.cpp