1	// dear imgui, v1.91.0
2	// (drawing and font code)
3
4	/*
5
6	Index 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	#elif defined(__GNUC__)
70	#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
71	#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
72	#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
73	#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
74	#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer
75	#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
76	#endif
77
78	//-------------------------------------------------------------------------
79	// [SECTION] STB libraries implementation (for stb_truetype and stb_rect_pack)
80	//-------------------------------------------------------------------------
81
82	// Compile time options:
83	//#define IMGUI_STB_NAMESPACE ImStb
84	//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
85	//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
86	//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
87	//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
88
89	#ifdef IMGUI_STB_NAMESPACE
90	namespace IMGUI_STB_NAMESPACE
91	{
92	#endif
93
94	#ifdef _MSC_VER
95	#pragma warning (push)
96	#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
97	#pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'.
98	#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.
99	#pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did.
100	#endif
101
102	#if defined(__clang__)
103	#pragma clang diagnostic push
104	#pragma clang diagnostic ignored "-Wunused-function"
105	#pragma clang diagnostic ignored "-Wmissing-prototypes"
106	#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
107	#pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier
108	#endif
109
110	#if defined(__GNUC__)
111	#pragma GCC diagnostic push
112	#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
113	#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
114	#endif
115
116	#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
117	#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
118	#define STBRP_STATIC
119	#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0)
120	#define STBRP_SORT ImQsort
121	#define STB_RECT_PACK_IMPLEMENTATION
122	#endif
123	#ifdef IMGUI_STB_RECT_PACK_FILENAME
124	#include IMGUI_STB_RECT_PACK_FILENAME
125	#else
126	#include "imstb_rectpack.h"
127	#endif
128	#endif
129
130	#ifdef IMGUI_ENABLE_STB_TRUETYPE
131	#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
132	#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
133	#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x))
134	#define STBTT_free(x,u) ((void)(u), IM_FREE(x))
135	#define STBTT_assert(x) do { IM_ASSERT(x); } while(0)
136	#define STBTT_fmod(x,y) ImFmod(x,y)
137	#define STBTT_sqrt(x) ImSqrt(x)
138	#define STBTT_pow(x,y) ImPow(x,y)
139	#define STBTT_fabs(x) ImFabs(x)
140	#define STBTT_ifloor(x) ((int)ImFloor(x))
141	#define STBTT_iceil(x) ((int)ImCeil(x))
142	#define STBTT_STATIC
143	#define STB_TRUETYPE_IMPLEMENTATION
144	#else
145	#define STBTT_DEF extern
146	#endif
147	#ifdef IMGUI_STB_TRUETYPE_FILENAME
148	#include IMGUI_STB_TRUETYPE_FILENAME
149	#else
150	#include "imstb_truetype.h"
151	#endif
152	#endif
153	#endif // IMGUI_ENABLE_STB_TRUETYPE
154
155	#if defined(__GNUC__)
156	#pragma GCC diagnostic pop
157	#endif
158
159	#if defined(__clang__)
160	#pragma clang diagnostic pop
161	#endif
162
163	#if defined(_MSC_VER)
164	#pragma warning (pop)
165	#endif
166
167	#ifdef IMGUI_STB_NAMESPACE
168	} // namespace ImStb
169	using namespace IMGUI_STB_NAMESPACE;
170	#endif
171
172	//-----------------------------------------------------------------------------
173	// [SECTION] Style functions
174	//-----------------------------------------------------------------------------
175
176	void ImGui::StyleColorsDark(ImGuiStyle* dst)
177	{
178	ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
179	ImVec4* colors = style->Colors;
180
181	colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
182	colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
183	colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
184	colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
185	colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
186	colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
187	colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
188	colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
189	colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
190	colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
191	colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
192	colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
193	colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
194	colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
195	colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
196	colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
197	colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
198	colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
199	colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
200	colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
201	colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
202	colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
203	colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
204	colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
205	colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
206	colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
207	colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
208	colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
209	colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
210	colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
211	colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f);
212	colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
213	colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
214	colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
215	colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.80f);
216	colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
217	colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
218	colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
219	colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
220	colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
221	colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
222	colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
223	colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
224	colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
225	colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
226	colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here
227	colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here
228	colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
229	colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
230	colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
231	colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
232	colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
233	colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
234	colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
235	colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
236	colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
237	}
238
239	void ImGui::StyleColorsClassic(ImGuiStyle* dst)
240	{
241	ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
242	ImVec4* colors = style->Colors;
243
244	colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
245	colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
246	colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.85f);
247	colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
248	colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
249	colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
250	colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
251	colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
252	colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
253	colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
254	colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
255	colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
256	colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
257	colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
258	colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
259	colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
260	colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
261	colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
262	colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
263	colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
264	colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
265	colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
266	colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
267	colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
268	colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
269	colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
270	colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
271	colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f);
272	colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
273	colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
274	colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f);
275	colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
276	colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
277	colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
278	colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.80f);
279	colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
280	colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
281	colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
282	colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
283	colors[ImGuiCol_TabDimmedSelectedOverline] = colors[ImGuiCol_HeaderActive];
284	colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
285	colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
286	colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
287	colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
288	colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f);
289	colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here
290	colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here
291	colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
292	colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f);
293	colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
294	colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
295	colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
296	colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
297	colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
298	colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
299	colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
300	}
301
302	// Those light colors are better suited with a thicker font than the default one + FrameBorder
303	void ImGui::StyleColorsLight(ImGuiStyle* dst)
304	{
305	ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
306	ImVec4* colors = style->Colors;
307
308	colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
309	colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
310	colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
311	colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
312	colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
313	colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
314	colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
315	colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
316	colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
317	colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
318	colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
319	colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
320	colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
321	colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
322	colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
323	colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
324	colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
325	colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
326	colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
327	colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
328	colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
329	colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
330	colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
331	colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
332	colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
333	colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
334	colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
335	colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f);
336	colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
337	colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
338	colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f);
339	colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
340	colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
341	colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
342	colors[ImGuiCol_Tab] = ImLerp(a: colors[ImGuiCol_Header], b: colors[ImGuiCol_TitleBgActive], t: 0.90f);
343	colors[ImGuiCol_TabSelected] = ImLerp(a: colors[ImGuiCol_HeaderActive], b: colors[ImGuiCol_TitleBgActive], t: 0.60f);
344	colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
345	colors[ImGuiCol_TabDimmed] = ImLerp(a: colors[ImGuiCol_Tab], b: colors[ImGuiCol_TitleBg], t: 0.80f);
346	colors[ImGuiCol_TabDimmedSelected] = ImLerp(a: colors[ImGuiCol_TabSelected], b: colors[ImGuiCol_TitleBg], t: 0.40f);
347	colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 1.00f);
348	colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
349	colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
350	colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
351	colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
352	colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f);
353	colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here
354	colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here
355	colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
356	colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f);
357	colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
358	colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
359	colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
360	colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
361	colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
362	colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
363	colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
364	}
365
366	//-----------------------------------------------------------------------------
367	// [SECTION] ImDrawList
368	//-----------------------------------------------------------------------------
369
370	ImDrawListSharedData::ImDrawListSharedData()
371	{
372	memset(s: this, c: 0, n: sizeof(*this));
373	for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++)
374	{
375	const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx);
376	ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a));
377	}
378	ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
379	}
380
381	void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
382	{
383	if (CircleSegmentMaxError == max_error)
384	return;
385
386	IM_ASSERT(max_error > 0.0f);
387	CircleSegmentMaxError = max_error;
388	for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++)
389	{
390	const float radius = (float)i;
391	CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : IM_DRAWLIST_ARCFAST_SAMPLE_MAX);
392	}
393	ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
394	}
395
396	// Initialize before use in a new frame. We always have a command ready in the buffer.
397	// In the majority of cases, you would want to call PushClipRect() and PushTextureID() after this.
398	void ImDrawList::_ResetForNewFrame()
399	{
400	// Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory.
401	IM_STATIC_ASSERT(offsetof(ImDrawCmd, ClipRect) == 0);
402	IM_STATIC_ASSERT(offsetof(ImDrawCmd, TextureId) == sizeof(ImVec4));
403	IM_STATIC_ASSERT(offsetof(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID));
404	if (_Splitter._Count > 1)
405	_Splitter.Merge(draw_list: this);
406
407	CmdBuffer.resize(new_size: 0);
408	IdxBuffer.resize(new_size: 0);
409	VtxBuffer.resize(new_size: 0);
410	Flags = _Data->InitialFlags;
411	memset(s: &_CmdHeader, c: 0, n: sizeof(_CmdHeader));
412	_VtxCurrentIdx = 0;
413	_VtxWritePtr = NULL;
414	_IdxWritePtr = NULL;
415	_ClipRectStack.resize(new_size: 0);
416	_TextureIdStack.resize(new_size: 0);
417	_Path.resize(new_size: 0);
418	_Splitter.Clear();
419	CmdBuffer.push_back(v: ImDrawCmd());
420	_FringeScale = 1.0f;
421	}
422
423	void ImDrawList::_ClearFreeMemory()
424	{
425	CmdBuffer.clear();
426	IdxBuffer.clear();
427	VtxBuffer.clear();
428	Flags = ImDrawListFlags_None;
429	_VtxCurrentIdx = 0;
430	_VtxWritePtr = NULL;
431	_IdxWritePtr = NULL;
432	_ClipRectStack.clear();
433	_TextureIdStack.clear();
434	_Path.clear();
435	_Splitter.ClearFreeMemory();
436	}
437
438	ImDrawList* ImDrawList::CloneOutput() const
439	{
440	ImDrawList* dst = IM_NEW(ImDrawList(_Data));
441	dst->CmdBuffer = CmdBuffer;
442	dst->IdxBuffer = IdxBuffer;
443	dst->VtxBuffer = VtxBuffer;
444	dst->Flags = Flags;
445	return dst;
446	}
447
448	void ImDrawList::AddDrawCmd()
449	{
450	ImDrawCmd draw_cmd;
451	draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy()
452	draw_cmd.TextureId = _CmdHeader.TextureId;
453	draw_cmd.VtxOffset = _CmdHeader.VtxOffset;
454	draw_cmd.IdxOffset = IdxBuffer.Size;
455
456	IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
457	CmdBuffer.push_back(v: draw_cmd);
458	}
459
460	// Pop trailing draw command (used before merging or presenting to user)
461	// 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
462	void ImDrawList::_PopUnusedDrawCmd()
463	{
464	while (CmdBuffer.Size > 0)
465	{
466	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
467	if (curr_cmd->ElemCount != 0 || curr_cmd->UserCallback != NULL)
468	return;// break;
469	CmdBuffer.pop_back();
470	}
471	}
472
473	void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
474	{
475	IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
476	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
477	IM_ASSERT(curr_cmd->UserCallback == NULL);
478	if (curr_cmd->ElemCount != 0)
479	{
480	AddDrawCmd();
481	curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
482	}
483	curr_cmd->UserCallback = callback;
484	curr_cmd->UserCallbackData = callback_data;
485
486	AddDrawCmd(); // Force a new command after us (see comment below)
487	}
488
489	// Compare ClipRect, TextureId and VtxOffset with a single memcmp()
490	#define ImDrawCmd_HeaderSize (offsetof(ImDrawCmd, VtxOffset) + sizeof(unsigned int))
491	#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset
492	#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset
493	#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset)
494
495	// Try to merge two last draw commands
496	void ImDrawList::_TryMergeDrawCmds()
497	{
498	IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
499	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
500	ImDrawCmd* prev_cmd = curr_cmd - 1;
501	if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL)
502	{
503	prev_cmd->ElemCount += curr_cmd->ElemCount;
504	CmdBuffer.pop_back();
505	}
506	}
507
508	// 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.
509	// 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.
510	void ImDrawList::_OnChangedClipRect()
511	{
512	// If current command is used with different settings we need to add a new command
513	IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
514	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
515	if (curr_cmd->ElemCount != 0 && memcmp(s1: &curr_cmd->ClipRect, s2: &_CmdHeader.ClipRect, n: sizeof(ImVec4)) != 0)
516	{
517	AddDrawCmd();
518	return;
519	}
520	IM_ASSERT(curr_cmd->UserCallback == NULL);
521
522	// Try to merge with previous command if it matches, else use current command
523	ImDrawCmd* prev_cmd = curr_cmd - 1;
524	if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
525	{
526	CmdBuffer.pop_back();
527	return;
528	}
529
530	curr_cmd->ClipRect = _CmdHeader.ClipRect;
531	}
532
533	void ImDrawList::_OnChangedTextureID()
534	{
535	// If current command is used with different settings we need to add a new command
536	IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
537	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
538	if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId)
539	{
540	AddDrawCmd();
541	return;
542	}
543	IM_ASSERT(curr_cmd->UserCallback == NULL);
544
545	// Try to merge with previous command if it matches, else use current command
546	ImDrawCmd* prev_cmd = curr_cmd - 1;
547	if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
548	{
549	CmdBuffer.pop_back();
550	return;
551	}
552
553	curr_cmd->TextureId = _CmdHeader.TextureId;
554	}
555
556	void ImDrawList::_OnChangedVtxOffset()
557	{
558	// We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this.
559	_VtxCurrentIdx = 0;
560	IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
561	ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
562	//IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349
563	if (curr_cmd->ElemCount != 0)
564	{
565	AddDrawCmd();
566	return;
567	}
568	IM_ASSERT(curr_cmd->UserCallback == NULL);
569	curr_cmd->VtxOffset = _CmdHeader.VtxOffset;
570	}
571
572	int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const
573	{
574	// Automatic segment count
575	const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy
576	if (radius_idx >= 0 && radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
577	return _Data->CircleSegmentCounts[radius_idx]; // Use cached value
578	else
579	return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
580	}
581
582	// 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)
583	void ImDrawList::PushClipRect(const ImVec2& cr_min, const ImVec2& cr_max, bool intersect_with_current_clip_rect)
584	{
585	ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
586	if (intersect_with_current_clip_rect)
587	{
588	ImVec4 current = _CmdHeader.ClipRect;
589	if (cr.x < current.x) cr.x = current.x;
590	if (cr.y < current.y) cr.y = current.y;
591	if (cr.z > current.z) cr.z = current.z;
592	if (cr.w > current.w) cr.w = current.w;
593	}
594	cr.z = ImMax(lhs: cr.x, rhs: cr.z);
595	cr.w = ImMax(lhs: cr.y, rhs: cr.w);
596
597	_ClipRectStack.push_back(v: cr);
598	_CmdHeader.ClipRect = cr;
599	_OnChangedClipRect();
600	}
601
602	void ImDrawList::PushClipRectFullScreen()
603	{
604	PushClipRect(cr_min: ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), cr_max: ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
605	}
606
607	void ImDrawList::PopClipRect()
608	{
609	_ClipRectStack.pop_back();
610	_CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1];
611	_OnChangedClipRect();
612	}
613
614	void ImDrawList::PushTextureID(ImTextureID texture_id)
615	{
616	_TextureIdStack.push_back(v: texture_id);
617	_CmdHeader.TextureId = texture_id;
618	_OnChangedTextureID();
619	}
620
621	void ImDrawList::PopTextureID()
622	{
623	_TextureIdStack.pop_back();
624	_CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1];
625	_OnChangedTextureID();
626	}
627
628	// Reserve space for a number of vertices and indices.
629	// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or
630	// submit the intermediate results. PrimUnreserve() can be used to release unused allocations.
631	void ImDrawList::PrimReserve(int idx_count, int vtx_count)
632	{
633	// Large mesh support (when enabled)
634	IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
635	if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset))
636	{
637	// FIXME: In theory we should be testing that vtx_count <64k here.
638	// In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us
639	// to not make that check until we rework the text functions to handle clipping and large horizontal lines better.
640	_CmdHeader.VtxOffset = VtxBuffer.Size;
641	_OnChangedVtxOffset();
642	}
643
644	ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
645	draw_cmd->ElemCount += idx_count;
646
647	int vtx_buffer_old_size = VtxBuffer.Size;
648	VtxBuffer.resize(new_size: vtx_buffer_old_size + vtx_count);
649	_VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
650
651	int idx_buffer_old_size = IdxBuffer.Size;
652	IdxBuffer.resize(new_size: idx_buffer_old_size + idx_count);
653	_IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
654	}
655
656	// Release the number of reserved vertices/indices from the end of the last reservation made with PrimReserve().
657	void ImDrawList::PrimUnreserve(int idx_count, int vtx_count)
658	{
659	IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
660
661	ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
662	draw_cmd->ElemCount -= idx_count;
663	VtxBuffer.shrink(new_size: VtxBuffer.Size - vtx_count);
664	IdxBuffer.shrink(new_size: IdxBuffer.Size - idx_count);
665	}
666
667	// Fully unrolled with inline call to keep our debug builds decently fast.
668	void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
669	{
670	ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
671	ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
672	_IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
673	_IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
674	_VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
675	_VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
676	_VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
677	_VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
678	_VtxWritePtr += 4;
679	_VtxCurrentIdx += 4;
680	_IdxWritePtr += 6;
681	}
682
683	void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
684	{
685	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);
686	ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
687	_IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
688	_IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
689	_VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
690	_VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
691	_VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
692	_VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
693	_VtxWritePtr += 4;
694	_VtxCurrentIdx += 4;
695	_IdxWritePtr += 6;
696	}
697
698	void 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)
699	{
700	ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
701	_IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
702	_IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
703	_VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
704	_VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
705	_VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
706	_VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
707	_VtxWritePtr += 4;
708	_VtxCurrentIdx += 4;
709	_IdxWritePtr += 6;
710	}
711
712	// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds.
713	// - Those macros expects l-values and need to be used as their own statement.
714	// - Those macros are intentionally not surrounded by the 'do {} while (0)' idiom because even that translates to runtime with debug compilers.
715	#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
716	#define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366)
717	#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
718
719	// TODO: Thickness anti-aliased lines cap are missing their AA fringe.
720	// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
721	void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness)
722	{
723	if (points_count < 2 || (col & IM_COL32_A_MASK) == 0)
724	return;
725
726	const bool closed = (flags & ImDrawFlags_Closed) != 0;
727	const ImVec2 opaque_uv = _Data->TexUvWhitePixel;
728	const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw
729	const bool thick_line = (thickness > _FringeScale);
730
731	if (Flags & ImDrawListFlags_AntiAliasedLines)
732	{
733	// Anti-aliased stroke
734	const float AA_SIZE = _FringeScale;
735	const ImU32 col_trans = col & ~IM_COL32_A_MASK;
736
737	// Thicknesses <1.0 should behave like thickness 1.0
738	thickness = ImMax(lhs: thickness, rhs: 1.0f);
739	const int integer_thickness = (int)thickness;
740	const float fractional_thickness = thickness - integer_thickness;
741
742	// Do we want to draw this line using a texture?
743	// - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved.
744	// - If AA_SIZE is not 1.0f we cannot use the texture path.
745	const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f);
746
747	// We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off
748	IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines));
749
750	const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12);
751	const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3);
752	PrimReserve(idx_count, vtx_count);
753
754	// Temporary buffer
755	// 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
756	_Data->TempBuffer.reserve_discard(new_capacity: points_count * ((use_texture || !thick_line) ? 3 : 5));
757	ImVec2* temp_normals = _Data->TempBuffer.Data;
758	ImVec2* temp_points = temp_normals + points_count;
759
760	// Calculate normals (tangents) for each line segment
761	for (int i1 = 0; i1 < count; i1++)
762	{
763	const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
764	float dx = points[i2].x - points[i1].x;
765	float dy = points[i2].y - points[i1].y;
766	IM_NORMALIZE2F_OVER_ZERO(dx, dy);
767	temp_normals[i1].x = dy;
768	temp_normals[i1].y = -dx;
769	}
770	if (!closed)
771	temp_normals[points_count - 1] = temp_normals[points_count - 2];
772
773	// 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
774	if (use_texture || !thick_line)
775	{
776	// [PATH 1] Texture-based lines (thick or non-thick)
777	// [PATH 2] Non texture-based lines (non-thick)
778
779	// The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA.
780	// - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture
781	// (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code.
782	// - 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
783	// allow scaling geometry while preserving one-screen-pixel AA fringe).
784	const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE;
785
786	// If line is not closed, the first and last points need to be generated differently as there are no normals to blend
787	if (!closed)
788	{
789	temp_points[0] = points[0] + temp_normals[0] * half_draw_size;
790	temp_points[1] = points[0] - temp_normals[0] * half_draw_size;
791	temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size;
792	temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size;
793	}
794
795	// Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
796	// 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)
797	// FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
798	unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
799	for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
800	{
801	const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment
802	const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment
803
804	// Average normals
805	float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
806	float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
807	IM_FIXNORMAL2F(dm_x, dm_y);
808	dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area
809	dm_y *= half_draw_size;
810
811	// Add temporary vertexes for the outer edges
812	ImVec2* out_vtx = &temp_points[i2 * 2];
813	out_vtx[0].x = points[i2].x + dm_x;
814	out_vtx[0].y = points[i2].y + dm_y;
815	out_vtx[1].x = points[i2].x - dm_x;
816	out_vtx[1].y = points[i2].y - dm_y;
817
818	if (use_texture)
819	{
820	// Add indices for two triangles
821	_IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri
822	_IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri
823	_IdxWritePtr += 6;
824	}
825	else
826	{
827	// Add indexes for four triangles
828	_IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1
829	_IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2
830	_IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1
831	_IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2
832	_IdxWritePtr += 12;
833	}
834
835	idx1 = idx2;
836	}
837
838	// Add vertexes for each point on the line
839	if (use_texture)
840	{
841	// If we're using textures we only need to emit the left/right edge vertices
842	ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness];
843	/*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false!
844	{
845	const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1];
846	tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp()
847	tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness;
848	tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness;
849	tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness;
850	}*/
851	ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y);
852	ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w);
853	for (int i = 0; i < points_count; i++)
854	{
855	_VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge
856	_VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge
857	_VtxWritePtr += 2;
858	}
859	}
860	else
861	{
862	// If we're not using a texture, we need the center vertex as well
863	for (int i = 0; i < points_count; i++)
864	{
865	_VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line
866	_VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge
867	_VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge
868	_VtxWritePtr += 3;
869	}
870	}
871	}
872	else
873	{
874	// [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point
875	const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
876
877	// If line is not closed, the first and last points need to be generated differently as there are no normals to blend
878	if (!closed)
879	{
880	const int points_last = points_count - 1;
881	temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
882	temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
883	temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
884	temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
885	temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
886	temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness);
887	temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness);
888	temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
889	}
890
891	// Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
892	// 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)
893	// FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
894	unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
895	for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
896	{
897	const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment
898	const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment
899
900	// Average normals
901	float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
902	float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
903	IM_FIXNORMAL2F(dm_x, dm_y);
904	float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
905	float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
906	float dm_in_x = dm_x * half_inner_thickness;
907	float dm_in_y = dm_y * half_inner_thickness;
908
909	// Add temporary vertices
910	ImVec2* out_vtx = &temp_points[i2 * 4];
911	out_vtx[0].x = points[i2].x + dm_out_x;
912	out_vtx[0].y = points[i2].y + dm_out_y;
913	out_vtx[1].x = points[i2].x + dm_in_x;
914	out_vtx[1].y = points[i2].y + dm_in_y;
915	out_vtx[2].x = points[i2].x - dm_in_x;
916	out_vtx[2].y = points[i2].y - dm_in_y;
917	out_vtx[3].x = points[i2].x - dm_out_x;
918	out_vtx[3].y = points[i2].y - dm_out_y;
919
920	// Add indexes
921	_IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2);
922	_IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1);
923	_IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0);
924	_IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1);
925	_IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3);
926	_IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2);
927	_IdxWritePtr += 18;
928
929	idx1 = idx2;
930	}
931
932	// Add vertices
933	for (int i = 0; i < points_count; i++)
934	{
935	_VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans;
936	_VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
937	_VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
938	_VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans;
939	_VtxWritePtr += 4;
940	}
941	}
942	_VtxCurrentIdx += (ImDrawIdx)vtx_count;
943	}
944	else
945	{
946	// [PATH 4] Non texture-based, Non anti-aliased lines
947	const int idx_count = count * 6;
948	const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges
949	PrimReserve(idx_count, vtx_count);
950
951	for (int i1 = 0; i1 < count; i1++)
952	{
953	const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
954	const ImVec2& p1 = points[i1];
955	const ImVec2& p2 = points[i2];
956
957	float dx = p2.x - p1.x;
958	float dy = p2.y - p1.y;
959	IM_NORMALIZE2F_OVER_ZERO(dx, dy);
960	dx *= (thickness * 0.5f);
961	dy *= (thickness * 0.5f);
962
963	_VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col;
964	_VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
965	_VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
966	_VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col;
967	_VtxWritePtr += 4;
968
969	_IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2);
970	_IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3);
971	_IdxWritePtr += 6;
972	_VtxCurrentIdx += 4;
973	}
974	}
975	}
976
977	// - We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
978	// - Filled shapes must always use clockwise winding order. The anti-aliasing fringe depends on it. Counter-clockwise shapes will have "inward" anti-aliasing.
979	void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
980	{
981	if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
982	return;
983
984	const ImVec2 uv = _Data->TexUvWhitePixel;
985
986	if (Flags & ImDrawListFlags_AntiAliasedFill)
987	{
988	// Anti-aliased Fill
989	const float AA_SIZE = _FringeScale;
990	const ImU32 col_trans = col & ~IM_COL32_A_MASK;
991	const int idx_count = (points_count - 2)*3 + points_count * 6;
992	const int vtx_count = (points_count * 2);
993	PrimReserve(idx_count, vtx_count);
994
995	// Add indexes for fill
996	unsigned int vtx_inner_idx = _VtxCurrentIdx;
997	unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
998	for (int i = 2; i < points_count; i++)
999	{
1000	_IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1));
1001	_IdxWritePtr += 3;
1002	}
1003
1004	// Compute normals
1005	_Data->TempBuffer.reserve_discard(new_capacity: points_count);
1006	ImVec2* temp_normals = _Data->TempBuffer.Data;
1007	for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1008	{
1009	const ImVec2& p0 = points[i0];
1010	const ImVec2& p1 = points[i1];
1011	float dx = p1.x - p0.x;
1012	float dy = p1.y - p0.y;
1013	IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1014	temp_normals[i0].x = dy;
1015	temp_normals[i0].y = -dx;
1016	}
1017
1018	for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1019	{
1020	// Average normals
1021	const ImVec2& n0 = temp_normals[i0];
1022	const ImVec2& n1 = temp_normals[i1];
1023	float dm_x = (n0.x + n1.x) * 0.5f;
1024	float dm_y = (n0.y + n1.y) * 0.5f;
1025	IM_FIXNORMAL2F(dm_x, dm_y);
1026	dm_x *= AA_SIZE * 0.5f;
1027	dm_y *= AA_SIZE * 0.5f;
1028
1029	// Add vertices
1030	_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
1031	_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
1032	_VtxWritePtr += 2;
1033
1034	// Add indexes for fringes
1035	_IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
1036	_IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
1037	_IdxWritePtr += 6;
1038	}
1039	_VtxCurrentIdx += (ImDrawIdx)vtx_count;
1040	}
1041	else
1042	{
1043	// Non Anti-aliased Fill
1044	const int idx_count = (points_count - 2)*3;
1045	const int vtx_count = points_count;
1046	PrimReserve(idx_count, vtx_count);
1047	for (int i = 0; i < vtx_count; i++)
1048	{
1049	_VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
1050	_VtxWritePtr++;
1051	}
1052	for (int i = 2; i < points_count; i++)
1053	{
1054	_IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i);
1055	_IdxWritePtr += 3;
1056	}
1057	_VtxCurrentIdx += (ImDrawIdx)vtx_count;
1058	}
1059	}
1060
1061	void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step)
1062	{
1063	if (radius < 0.5f)
1064	{
1065	_Path.push_back(v: center);
1066	return;
1067	}
1068
1069	// Calculate arc auto segment step size
1070	if (a_step <= 0)
1071	a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius);
1072
1073	// Make sure we never do steps larger than one quarter of the circle
1074	a_step = ImClamp(v: a_step, mn: 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4);
1075
1076	const int sample_range = ImAbs(x: a_max_sample - a_min_sample);
1077	const int a_next_step = a_step;
1078
1079	int samples = sample_range + 1;
1080	bool extra_max_sample = false;
1081	if (a_step > 1)
1082	{
1083	samples = sample_range / a_step + 1;
1084	const int overstep = sample_range % a_step;
1085
1086	if (overstep > 0)
1087	{
1088	extra_max_sample = true;
1089	samples++;
1090
1091	// When we have overstep to avoid awkwardly looking one long line and one tiny one at the end,
1092	// distribute first step range evenly between them by reducing first step size.
1093	if (sample_range > 0)
1094	a_step -= (a_step - overstep) / 2;
1095	}
1096	}
1097
1098	_Path.resize(new_size: _Path.Size + samples);
1099	ImVec2* out_ptr = _Path.Data + (_Path.Size - samples);
1100
1101	int sample_index = a_min_sample;
1102	if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1103	{
1104	sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1105	if (sample_index < 0)
1106	sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1107	}
1108
1109	if (a_max_sample >= a_min_sample)
1110	{
1111	for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step)
1112	{
1113	// a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1114	if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1115	sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1116
1117	const ImVec2 s = _Data->ArcFastVtx[sample_index];
1118	out_ptr->x = center.x + s.x * radius;
1119	out_ptr->y = center.y + s.y * radius;
1120	out_ptr++;
1121	}
1122	}
1123	else
1124	{
1125	for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step)
1126	{
1127	// a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1128	if (sample_index < 0)
1129	sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1130
1131	const ImVec2 s = _Data->ArcFastVtx[sample_index];
1132	out_ptr->x = center.x + s.x * radius;
1133	out_ptr->y = center.y + s.y * radius;
1134	out_ptr++;
1135	}
1136	}
1137
1138	if (extra_max_sample)
1139	{
1140	int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1141	if (normalized_max_sample < 0)
1142	normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1143
1144	const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample];
1145	out_ptr->x = center.x + s.x * radius;
1146	out_ptr->y = center.y + s.y * radius;
1147	out_ptr++;
1148	}
1149
1150	IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr);
1151	}
1152
1153	void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1154	{
1155	if (radius < 0.5f)
1156	{
1157	_Path.push_back(v: center);
1158	return;
1159	}
1160
1161	// Note that we are adding a point at both a_min and a_max.
1162	// If you are trying to draw a full closed circle you don't want the overlapping points!
1163	_Path.reserve(new_capacity: _Path.Size + (num_segments + 1));
1164	for (int i = 0; i <= num_segments; i++)
1165	{
1166	const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1167	_Path.push_back(v: ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
1168	}
1169	}
1170
1171	// 0: East, 3: South, 6: West, 9: North, 12: East
1172	void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
1173	{
1174	if (radius < 0.5f)
1175	{
1176	_Path.push_back(v: center);
1177	return;
1178	}
1179	_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);
1180	}
1181
1182	void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1183	{
1184	if (radius < 0.5f)
1185	{
1186	_Path.push_back(v: center);
1187	return;
1188	}
1189
1190	if (num_segments > 0)
1191	{
1192	_PathArcToN(center, radius, a_min, a_max, num_segments);
1193	return;
1194	}
1195
1196	// Automatic segment count
1197	if (radius <= _Data->ArcFastRadiusCutoff)
1198	{
1199	const bool a_is_reverse = a_max < a_min;
1200
1201	// We are going to use precomputed values for mid samples.
1202	// Determine first and last sample in lookup table that belong to the arc.
1203	const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f);
1204	const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f);
1205
1206	const int a_min_sample = a_is_reverse ? (int)ImFloor(f: a_min_sample_f) : (int)ImCeil(a_min_sample_f);
1207	const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloor(f: a_max_sample_f);
1208	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);
1209
1210	const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1211	const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1212	const bool a_emit_start = ImAbs(x: a_min_segment_angle - a_min) >= 1e-5f;
1213	const bool a_emit_end = ImAbs(x: a_max - a_max_segment_angle) >= 1e-5f;
1214
1215	_Path.reserve(new_capacity: _Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0)));
1216	if (a_emit_start)
1217	_Path.push_back(v: ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius));
1218	if (a_mid_samples > 0)
1219	_PathArcToFastEx(center, radius, a_min_sample, a_max_sample, a_step: 0);
1220	if (a_emit_end)
1221	_Path.push_back(v: ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius));
1222	}
1223	else
1224	{
1225	const float arc_length = ImAbs(x: a_max - a_min);
1226	const int circle_segment_count = _CalcCircleAutoSegmentCount(radius);
1227	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));
1228	_PathArcToN(center, radius, a_min, a_max, num_segments: arc_segment_count);
1229	}
1230	}
1231
1232	void ImDrawList::PathEllipticalArcTo(const ImVec2& center, const ImVec2& radius, float rot, float a_min, float a_max, int num_segments)
1233	{
1234	if (num_segments <= 0)
1235	num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1236
1237	_Path.reserve(new_capacity: _Path.Size + (num_segments + 1));
1238
1239	const float cos_rot = ImCos(rot);
1240	const float sin_rot = ImSin(rot);
1241	for (int i = 0; i <= num_segments; i++)
1242	{
1243	const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1244	ImVec2 point(ImCos(a) * radius.x, ImSin(a) * radius.y);
1245	const ImVec2 rel((point.x * cos_rot) - (point.y * sin_rot), (point.x * sin_rot) + (point.y * cos_rot));
1246	point.x = rel.x + center.x;
1247	point.y = rel.y + center.y;
1248	_Path.push_back(v: point);
1249	}
1250	}
1251
1252	ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t)
1253	{
1254	float u = 1.0f - t;
1255	float w1 = u * u * u;
1256	float w2 = 3 * u * u * t;
1257	float w3 = 3 * u * t * t;
1258	float w4 = t * t * t;
1259	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);
1260	}
1261
1262	ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t)
1263	{
1264	float u = 1.0f - t;
1265	float w1 = u * u;
1266	float w2 = 2 * u * t;
1267	float w3 = t * t;
1268	return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y);
1269	}
1270
1271	// Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp
1272	static 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)
1273	{
1274	float dx = x4 - x1;
1275	float dy = y4 - y1;
1276	float d2 = (x2 - x4) * dy - (y2 - y4) * dx;
1277	float d3 = (x3 - x4) * dy - (y3 - y4) * dx;
1278	d2 = (d2 >= 0) ? d2 : -d2;
1279	d3 = (d3 >= 0) ? d3 : -d3;
1280	if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy))
1281	{
1282	path->push_back(v: ImVec2(x4, y4));
1283	}
1284	else if (level < 10)
1285	{
1286	float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1287	float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1288	float x34 = (x3 + x4) * 0.5f, y34 = (y3 + y4) * 0.5f;
1289	float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1290	float x234 = (x23 + x34) * 0.5f, y234 = (y23 + y34) * 0.5f;
1291	float x1234 = (x123 + x234) * 0.5f, y1234 = (y123 + y234) * 0.5f;
1292	PathBezierCubicCurveToCasteljau(path, x1, y1, x2: x12, y2: y12, x3: x123, y3: y123, x4: x1234, y4: y1234, tess_tol, level: level + 1);
1293	PathBezierCubicCurveToCasteljau(path, x1: x1234, y1: y1234, x2: x234, y2: y234, x3: x34, y3: y34, x4, y4, tess_tol, level: level + 1);
1294	}
1295	}
1296
1297	static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level)
1298	{
1299	float dx = x3 - x1, dy = y3 - y1;
1300	float det = (x2 - x3) * dy - (y2 - y3) * dx;
1301	if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy))
1302	{
1303	path->push_back(v: ImVec2(x3, y3));
1304	}
1305	else if (level < 10)
1306	{
1307	float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1308	float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1309	float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1310	PathBezierQuadraticCurveToCasteljau(path, x1, y1, x2: x12, y2: y12, x3: x123, y3: y123, tess_tol, level: level + 1);
1311	PathBezierQuadraticCurveToCasteljau(path, x1: x123, y1: y123, x2: x23, y2: y23, x3, y3, tess_tol, level: level + 1);
1312	}
1313	}
1314
1315	void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
1316	{
1317	ImVec2 p1 = _Path.back();
1318	if (num_segments == 0)
1319	{
1320	IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1321	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
1322	}
1323	else
1324	{
1325	float t_step = 1.0f / (float)num_segments;
1326	for (int i_step = 1; i_step <= num_segments; i_step++)
1327	_Path.push_back(v: ImBezierCubicCalc(p1, p2, p3, p4, t: t_step * i_step));
1328	}
1329	}
1330
1331	void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments)
1332	{
1333	ImVec2 p1 = _Path.back();
1334	if (num_segments == 0)
1335	{
1336	IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1337	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
1338	}
1339	else
1340	{
1341	float t_step = 1.0f / (float)num_segments;
1342	for (int i_step = 1; i_step <= num_segments; i_step++)
1343	_Path.push_back(v: ImBezierQuadraticCalc(p1, p2, p3, t: t_step * i_step));
1344	}
1345	}
1346
1347	static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags)
1348	{
1349	/*
1350	IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4));
1351	#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
1352	// Obsoleted in 1.82 (from February 2021). This code was stripped/simplified and mostly commented in 1.90 (from September 2023)
1353	// - Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All)
1354	if (flags == ~0) { return ImDrawFlags_RoundCornersAll; }
1355	// - Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations). Read details in older version of this code.
1356	if (flags >= 0x01 && flags <= 0x0F) { return (flags << 4); }
1357	// We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f'
1358	#endif
1359	*/
1360	// If this assert triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values.
1361	// Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc. anyway.
1362	// See details in 1.82 Changelog as well as 2021/03/12 and 2023/09/08 entries in "API BREAKING CHANGES" section.
1363	IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!");
1364
1365	if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
1366	flags |= ImDrawFlags_RoundCornersAll;
1367
1368	return flags;
1369	}
1370
1371	void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags)
1372	{
1373	if (rounding >= 0.5f)
1374	{
1375	flags = FixRectCornerFlags(flags);
1376	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);
1377	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);
1378	}
1379	if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1380	{
1381	PathLineTo(pos: a);
1382	PathLineTo(pos: ImVec2(b.x, a.y));
1383	PathLineTo(pos: b);
1384	PathLineTo(pos: ImVec2(a.x, b.y));
1385	}
1386	else
1387	{
1388	const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f;
1389	const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f;
1390	const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f;
1391	const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f;
1392	PathArcToFast(center: ImVec2(a.x + rounding_tl, a.y + rounding_tl), radius: rounding_tl, a_min_of_12: 6, a_max_of_12: 9);
1393	PathArcToFast(center: ImVec2(b.x - rounding_tr, a.y + rounding_tr), radius: rounding_tr, a_min_of_12: 9, a_max_of_12: 12);
1394	PathArcToFast(center: ImVec2(b.x - rounding_br, b.y - rounding_br), radius: rounding_br, a_min_of_12: 0, a_max_of_12: 3);
1395	PathArcToFast(center: ImVec2(a.x + rounding_bl, b.y - rounding_bl), radius: rounding_bl, a_min_of_12: 3, a_max_of_12: 6);
1396	}
1397	}
1398
1399	void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
1400	{
1401	if ((col & IM_COL32_A_MASK) == 0)
1402	return;
1403	PathLineTo(pos: p1 + ImVec2(0.5f, 0.5f));
1404	PathLineTo(pos: p2 + ImVec2(0.5f, 0.5f));
1405	PathStroke(col, flags: 0, thickness);
1406	}
1407
1408	// p_min = upper-left, p_max = lower-right
1409	// Note we don't render 1 pixels sized rectangles properly.
1410	void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness)
1411	{
1412	if ((col & IM_COL32_A_MASK) == 0)
1413	return;
1414	if (Flags & ImDrawListFlags_AntiAliasedLines)
1415	PathRect(a: p_min + ImVec2(0.50f, 0.50f), b: p_max - ImVec2(0.50f, 0.50f), rounding, flags);
1416	else
1417	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.
1418	PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1419	}
1420
1421	void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags)
1422	{
1423	if ((col & IM_COL32_A_MASK) == 0)
1424	return;
1425	if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1426	{
1427	PrimReserve(idx_count: 6, vtx_count: 4);
1428	PrimRect(a: p_min, c: p_max, col);
1429	}
1430	else
1431	{
1432	PathRect(a: p_min, b: p_max, rounding, flags);
1433	PathFillConvex(col);
1434	}
1435	}
1436
1437	// p_min = upper-left, p_max = lower-right
1438	void 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)
1439	{
1440	if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1441	return;
1442
1443	const ImVec2 uv = _Data->TexUvWhitePixel;
1444	PrimReserve(idx_count: 6, vtx_count: 4);
1445	PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 2));
1446	PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx(idx: (ImDrawIdx)(_VtxCurrentIdx + 3));
1447	PrimWriteVtx(pos: p_min, uv, col: col_upr_left);
1448	PrimWriteVtx(pos: ImVec2(p_max.x, p_min.y), uv, col: col_upr_right);
1449	PrimWriteVtx(pos: p_max, uv, col: col_bot_right);
1450	PrimWriteVtx(pos: ImVec2(p_min.x, p_max.y), uv, col: col_bot_left);
1451	}
1452
1453	void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
1454	{
1455	if ((col & IM_COL32_A_MASK) == 0)
1456	return;
1457
1458	PathLineTo(pos: p1);
1459	PathLineTo(pos: p2);
1460	PathLineTo(pos: p3);
1461	PathLineTo(pos: p4);
1462	PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1463	}
1464
1465	void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
1466	{
1467	if ((col & IM_COL32_A_MASK) == 0)
1468	return;
1469
1470	PathLineTo(pos: p1);
1471	PathLineTo(pos: p2);
1472	PathLineTo(pos: p3);
1473	PathLineTo(pos: p4);
1474	PathFillConvex(col);
1475	}
1476
1477	void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
1478	{
1479	if ((col & IM_COL32_A_MASK) == 0)
1480	return;
1481
1482	PathLineTo(pos: p1);
1483	PathLineTo(pos: p2);
1484	PathLineTo(pos: p3);
1485	PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1486	}
1487
1488	void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
1489	{
1490	if ((col & IM_COL32_A_MASK) == 0)
1491	return;
1492
1493	PathLineTo(pos: p1);
1494	PathLineTo(pos: p2);
1495	PathLineTo(pos: p3);
1496	PathFillConvex(col);
1497	}
1498
1499	void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1500	{
1501	if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1502	return;
1503
1504	if (num_segments <= 0)
1505	{
1506	// Use arc with automatic segment count
1507	_PathArcToFastEx(center, radius: radius - 0.5f, a_min_sample: 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, a_step: 0);
1508	_Path.Size--;
1509	}
1510	else
1511	{
1512	// Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1513	num_segments = ImClamp(v: num_segments, mn: 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1514
1515	// Because we are filling a closed shape we remove 1 from the count of segments/points
1516	const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1517	PathArcTo(center, radius: radius - 0.5f, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1518	}
1519
1520	PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1521	}
1522
1523	void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1524	{
1525	if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1526	return;
1527
1528	if (num_segments <= 0)
1529	{
1530	// Use arc with automatic segment count
1531	_PathArcToFastEx(center, radius, a_min_sample: 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, a_step: 0);
1532	_Path.Size--;
1533	}
1534	else
1535	{
1536	// Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1537	num_segments = ImClamp(v: num_segments, mn: 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1538
1539	// Because we are filling a closed shape we remove 1 from the count of segments/points
1540	const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1541	PathArcTo(center, radius, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1542	}
1543
1544	PathFillConvex(col);
1545	}
1546
1547	// Guaranteed to honor 'num_segments'
1548	void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1549	{
1550	if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1551	return;
1552
1553	// Because we are filling a closed shape we remove 1 from the count of segments/points
1554	const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1555	PathArcTo(center, radius: radius - 0.5f, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1556	PathStroke(col, flags: ImDrawFlags_Closed, thickness);
1557	}
1558
1559	// Guaranteed to honor 'num_segments'
1560	void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1561	{
1562	if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1563	return;
1564
1565	// Because we are filling a closed shape we remove 1 from the count of segments/points
1566	const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1567	PathArcTo(center, radius, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1568	PathFillConvex(col);
1569	}
1570
1571	// Ellipse
1572	void ImDrawList::AddEllipse(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments, float thickness)
1573	{
1574	if ((col & IM_COL32_A_MASK) == 0)
1575	return;
1576
1577	if (num_segments <= 0)
1578	num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1579
1580	// Because we are filling a closed shape we remove 1 from the count of segments/points
1581	const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1582	PathEllipticalArcTo(center, radius, rot, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1583	PathStroke(col, flags: true, thickness);
1584	}
1585
1586	void ImDrawList::AddEllipseFilled(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments)
1587	{
1588	if ((col & IM_COL32_A_MASK) == 0)
1589	return;
1590
1591	if (num_segments <= 0)
1592	num_segments = _CalcCircleAutoSegmentCount(radius: ImMax(lhs: radius.x, rhs: radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1593
1594	// Because we are filling a closed shape we remove 1 from the count of segments/points
1595	const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1596	PathEllipticalArcTo(center, radius, rot, a_min: 0.0f, a_max, num_segments: num_segments - 1);
1597	PathFillConvex(col);
1598	}
1599
1600	// Cubic Bezier takes 4 controls points
1601	void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments)
1602	{
1603	if ((col & IM_COL32_A_MASK) == 0)
1604	return;
1605
1606	PathLineTo(pos: p1);
1607	PathBezierCubicCurveTo(p2, p3, p4, num_segments);
1608	PathStroke(col, flags: 0, thickness);
1609	}
1610
1611	// Quadratic Bezier takes 3 controls points
1612	void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments)
1613	{
1614	if ((col & IM_COL32_A_MASK) == 0)
1615	return;
1616
1617	PathLineTo(pos: p1);
1618	PathBezierQuadraticCurveTo(p2, p3, num_segments);
1619	PathStroke(col, flags: 0, thickness);
1620	}
1621
1622	void ImDrawList::AddText(const 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)
1623	{
1624	if ((col & IM_COL32_A_MASK) == 0)
1625	return;
1626
1627	// Accept null ranges
1628	if (text_begin == text_end || text_begin[0] == 0)
1629	return;
1630	if (text_end == NULL)
1631	text_end = text_begin + strlen(s: text_begin);
1632
1633	// Pull default font/size from the shared ImDrawListSharedData instance
1634	if (font == NULL)
1635	font = _Data->Font;
1636	if (font_size == 0.0f)
1637	font_size = _Data->FontSize;
1638
1639	IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1640
1641	ImVec4 clip_rect = _CmdHeader.ClipRect;
1642	if (cpu_fine_clip_rect)
1643	{
1644	clip_rect.x = ImMax(lhs: clip_rect.x, rhs: cpu_fine_clip_rect->x);
1645	clip_rect.y = ImMax(lhs: clip_rect.y, rhs: cpu_fine_clip_rect->y);
1646	clip_rect.z = ImMin(lhs: clip_rect.z, rhs: cpu_fine_clip_rect->z);
1647	clip_rect.w = ImMin(lhs: clip_rect.w, rhs: cpu_fine_clip_rect->w);
1648	}
1649	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);
1650	}
1651
1652	void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1653	{
1654	AddText(NULL, font_size: 0.0f, pos, col, text_begin, text_end);
1655	}
1656
1657	void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col)
1658	{
1659	if ((col & IM_COL32_A_MASK) == 0)
1660	return;
1661
1662	const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1663	if (push_texture_id)
1664	PushTextureID(texture_id: user_texture_id);
1665
1666	PrimReserve(idx_count: 6, vtx_count: 4);
1667	PrimRectUV(a: p_min, c: p_max, uv_a: uv_min, uv_c: uv_max, col);
1668
1669	if (push_texture_id)
1670	PopTextureID();
1671	}
1672
1673	void 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)
1674	{
1675	if ((col & IM_COL32_A_MASK) == 0)
1676	return;
1677
1678	const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1679	if (push_texture_id)
1680	PushTextureID(texture_id: user_texture_id);
1681
1682	PrimReserve(idx_count: 6, vtx_count: 4);
1683	PrimQuadUV(a: p1, b: p2, c: p3, d: p4, uv_a: uv1, uv_b: uv2, uv_c: uv3, uv_d: uv4, col);
1684
1685	if (push_texture_id)
1686	PopTextureID();
1687	}
1688
1689	void 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)
1690	{
1691	if ((col & IM_COL32_A_MASK) == 0)
1692	return;
1693
1694	flags = FixRectCornerFlags(flags);
1695	if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1696	{
1697	AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
1698	return;
1699	}
1700
1701	const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1702	if (push_texture_id)
1703	PushTextureID(texture_id: user_texture_id);
1704
1705	int vert_start_idx = VtxBuffer.Size;
1706	PathRect(a: p_min, b: p_max, rounding, flags);
1707	PathFillConvex(col);
1708	int vert_end_idx = VtxBuffer.Size;
1709	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);
1710
1711	if (push_texture_id)
1712	PopTextureID();
1713	}
1714
1715	//-----------------------------------------------------------------------------
1716	// [SECTION] ImTriangulator, ImDrawList concave polygon fill
1717	//-----------------------------------------------------------------------------
1718	// Triangulate concave polygons. Based on "Triangulation by Ear Clipping" paper, O(N^2) complexity.
1719	// Reference: https://www.geometrictools.com/Documentation/TriangulationByEarClipping.pdf
1720	// Provided as a convenience for user but not used by main library.
1721	//-----------------------------------------------------------------------------
1722	// - ImTriangulator [Internal]
1723	// - AddConcavePolyFilled()
1724	//-----------------------------------------------------------------------------
1725
1726	enum ImTriangulatorNodeType
1727	{
1728	ImTriangulatorNodeType_Convex,
1729	ImTriangulatorNodeType_Ear,
1730	ImTriangulatorNodeType_Reflex
1731	};
1732
1733	struct ImTriangulatorNode
1734	{
1735	ImTriangulatorNodeType Type;
1736	int Index;
1737	ImVec2 Pos;
1738	ImTriangulatorNode* Next;
1739	ImTriangulatorNode* Prev;
1740
1741	void Unlink() { Next->Prev = Prev; Prev->Next = Next; }
1742	};
1743
1744	struct ImTriangulatorNodeSpan
1745	{
1746	ImTriangulatorNode** Data = NULL;
1747	int Size = 0;
1748
1749	void push_back(ImTriangulatorNode* node) { Data[Size++] = node; }
1750	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; } }
1751	};
1752
1753	struct ImTriangulator
1754	{
1755	static int EstimateTriangleCount(int points_count) { return (points_count < 3) ? 0 : points_count - 2; }
1756	static int EstimateScratchBufferSize(int points_count) { return sizeof(ImTriangulatorNode) * points_count + sizeof(ImTriangulatorNode*) * points_count * 2; }
1757
1758	void Init(const ImVec2* points, int points_count, void* scratch_buffer);
1759	void GetNextTriangle(unsigned int out_triangle[3]); // Return relative indexes for next triangle
1760
1761	// Internal functions
1762	void BuildNodes(const ImVec2* points, int points_count);
1763	void BuildReflexes();
1764	void BuildEars();
1765	void FlipNodeList();
1766	bool IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const;
1767	void ReclassifyNode(ImTriangulatorNode* node);
1768
1769	// Internal members
1770	int _TrianglesLeft = 0;
1771	ImTriangulatorNode* _Nodes = NULL;
1772	ImTriangulatorNodeSpan _Ears;
1773	ImTriangulatorNodeSpan _Reflexes;
1774	};
1775
1776	// Distribute storage for nodes, ears and reflexes.
1777	// FIXME-OPT: if everything is convex, we could report it to caller and let it switch to an convex renderer
1778	// (this would require first building reflexes to bail to convex if empty, without even building nodes)
1779	void ImTriangulator::Init(const ImVec2* points, int points_count, void* scratch_buffer)
1780	{
1781	IM_ASSERT(scratch_buffer != NULL && points_count >= 3);
1782	_TrianglesLeft = EstimateTriangleCount(points_count);
1783	_Nodes = (ImTriangulatorNode*)scratch_buffer; // points_count x Node
1784	_Ears.Data = (ImTriangulatorNode**)(_Nodes + points_count); // points_count x Node*
1785	_Reflexes.Data = (ImTriangulatorNode**)(_Nodes + points_count) + points_count; // points_count x Node*
1786	BuildNodes(points, points_count);
1787	BuildReflexes();
1788	BuildEars();
1789	}
1790
1791	void ImTriangulator::BuildNodes(const ImVec2* points, int points_count)
1792	{
1793	for (int i = 0; i < points_count; i++)
1794	{
1795	_Nodes[i].Type = ImTriangulatorNodeType_Convex;
1796	_Nodes[i].Index = i;
1797	_Nodes[i].Pos = points[i];
1798	_Nodes[i].Next = _Nodes + i + 1;
1799	_Nodes[i].Prev = _Nodes + i - 1;
1800	}
1801	_Nodes[0].Prev = _Nodes + points_count - 1;
1802	_Nodes[points_count - 1].Next = _Nodes;
1803	}
1804
1805	void ImTriangulator::BuildReflexes()
1806	{
1807	ImTriangulatorNode* n1 = _Nodes;
1808	for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1809	{
1810	if (ImTriangleIsClockwise(a: n1->Prev->Pos, b: n1->Pos, c: n1->Next->Pos))
1811	continue;
1812	n1->Type = ImTriangulatorNodeType_Reflex;
1813	_Reflexes.push_back(node: n1);
1814	}
1815	}
1816
1817	void ImTriangulator::BuildEars()
1818	{
1819	ImTriangulatorNode* n1 = _Nodes;
1820	for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1821	{
1822	if (n1->Type != ImTriangulatorNodeType_Convex)
1823	continue;
1824	if (!IsEar(i0: n1->Prev->Index, i1: n1->Index, i2: n1->Next->Index, v0: n1->Prev->Pos, v1: n1->Pos, v2: n1->Next->Pos))
1825	continue;
1826	n1->Type = ImTriangulatorNodeType_Ear;
1827	_Ears.push_back(node: n1);
1828	}
1829	}
1830
1831	void ImTriangulator::GetNextTriangle(unsigned int out_triangle[3])
1832	{
1833	if (_Ears.Size == 0)
1834	{
1835	FlipNodeList();
1836
1837	ImTriangulatorNode* node = _Nodes;
1838	for (int i = _TrianglesLeft; i >= 0; i--, node = node->Next)
1839	node->Type = ImTriangulatorNodeType_Convex;
1840	_Reflexes.Size = 0;
1841	BuildReflexes();
1842	BuildEars();
1843
1844	// If we still don't have ears, it means geometry is degenerated.
1845	if (_Ears.Size == 0)
1846	{
1847	// Return first triangle available, mimicking the behavior of convex fill.
1848	IM_ASSERT(_TrianglesLeft > 0); // Geometry is degenerated
1849	_Ears.Data[0] = _Nodes;
1850	_Ears.Size = 1;
1851	}
1852	}
1853
1854	ImTriangulatorNode* ear = _Ears.Data[--_Ears.Size];
1855	out_triangle[0] = ear->Prev->Index;
1856	out_triangle[1] = ear->Index;
1857	out_triangle[2] = ear->Next->Index;
1858
1859	ear->Unlink();
1860	if (ear == _Nodes)
1861	_Nodes = ear->Next;
1862
1863	ReclassifyNode(node: ear->Prev);
1864	ReclassifyNode(node: ear->Next);
1865	_TrianglesLeft--;
1866	}
1867
1868	void ImTriangulator::FlipNodeList()
1869	{
1870	ImTriangulatorNode* prev = _Nodes;
1871	ImTriangulatorNode* temp = _Nodes;
1872	ImTriangulatorNode* current = _Nodes->Next;
1873	prev->Next = prev;
1874	prev->Prev = prev;
1875	while (current != _Nodes)
1876	{
1877	temp = current->Next;
1878
1879	current->Next = prev;
1880	prev->Prev = current;
1881	_Nodes->Next = current;
1882	current->Prev = _Nodes;
1883
1884	prev = current;
1885	current = temp;
1886	}
1887	_Nodes = prev;
1888	}
1889
1890	// A triangle is an ear is no other vertex is inside it. We can test reflexes vertices only (see reference algorithm)
1891	bool ImTriangulator::IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const
1892	{
1893	ImTriangulatorNode** p_end = _Reflexes.Data + _Reflexes.Size;
1894	for (ImTriangulatorNode** p = _Reflexes.Data; p < p_end; p++)
1895	{
1896	ImTriangulatorNode* reflex = *p;
1897	if (reflex->Index != i0 && reflex->Index != i1 && reflex->Index != i2)
1898	if (ImTriangleContainsPoint(a: v0, b: v1, c: v2, p: reflex->Pos))
1899	return false;
1900	}
1901	return true;
1902	}
1903
1904	void ImTriangulator::ReclassifyNode(ImTriangulatorNode* n1)
1905	{
1906	// Classify node
1907	ImTriangulatorNodeType type;
1908	const ImTriangulatorNode* n0 = n1->Prev;
1909	const ImTriangulatorNode* n2 = n1->Next;
1910	if (!ImTriangleIsClockwise(a: n0->Pos, b: n1->Pos, c: n2->Pos))
1911	type = ImTriangulatorNodeType_Reflex;
1912	else if (IsEar(i0: n0->Index, i1: n1->Index, i2: n2->Index, v0: n0->Pos, v1: n1->Pos, v2: n2->Pos))
1913	type = ImTriangulatorNodeType_Ear;
1914	else
1915	type = ImTriangulatorNodeType_Convex;
1916
1917	// Update lists when a type changes
1918	if (type == n1->Type)
1919	return;
1920	if (n1->Type == ImTriangulatorNodeType_Reflex)
1921	_Reflexes.find_erase_unsorted(idx: n1->Index);
1922	else if (n1->Type == ImTriangulatorNodeType_Ear)
1923	_Ears.find_erase_unsorted(idx: n1->Index);
1924	if (type == ImTriangulatorNodeType_Reflex)
1925	_Reflexes.push_back(node: n1);
1926	else if (type == ImTriangulatorNodeType_Ear)
1927	_Ears.push_back(node: n1);
1928	n1->Type = type;
1929	}
1930
1931	// Use ear-clipping algorithm to triangulate a simple polygon (no self-interaction, no holes).
1932	// (Reminder: we don't perform any coarse clipping/culling in ImDrawList layer!
1933	// It is up to caller to ensure not making costly calls that will be outside of visible area.
1934	// As concave fill is noticeably more expensive than other primitives, be mindful of this...
1935	// Caller can build AABB of points, and avoid filling if 'draw_list->_CmdHeader.ClipRect.Overlays(points_bb) == false')
1936	void ImDrawList::AddConcavePolyFilled(const ImVec2* points, const int points_count, ImU32 col)
1937	{
1938	if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
1939	return;
1940
1941	const ImVec2 uv = _Data->TexUvWhitePixel;
1942	ImTriangulator triangulator;
1943	unsigned int triangle[3];
1944	if (Flags & ImDrawListFlags_AntiAliasedFill)
1945	{
1946	// Anti-aliased Fill
1947	const float AA_SIZE = _FringeScale;
1948	const ImU32 col_trans = col & ~IM_COL32_A_MASK;
1949	const int idx_count = (points_count - 2) * 3 + points_count * 6;
1950	const int vtx_count = (points_count * 2);
1951	PrimReserve(idx_count, vtx_count);
1952
1953	// Add indexes for fill
1954	unsigned int vtx_inner_idx = _VtxCurrentIdx;
1955	unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
1956
1957	_Data->TempBuffer.reserve_discard(new_capacity: (ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
1958	triangulator.Init(points, points_count, scratch_buffer: _Data->TempBuffer.Data);
1959	while (triangulator._TrianglesLeft > 0)
1960	{
1961	triangulator.GetNextTriangle(out_triangle: triangle);
1962	_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));
1963	_IdxWritePtr += 3;
1964	}
1965
1966	// Compute normals
1967	_Data->TempBuffer.reserve_discard(new_capacity: points_count);
1968	ImVec2* temp_normals = _Data->TempBuffer.Data;
1969	for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1970	{
1971	const ImVec2& p0 = points[i0];
1972	const ImVec2& p1 = points[i1];
1973	float dx = p1.x - p0.x;
1974	float dy = p1.y - p0.y;
1975	IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1976	temp_normals[i0].x = dy;
1977	temp_normals[i0].y = -dx;
1978	}
1979
1980	for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1981	{
1982	// Average normals
1983	const ImVec2& n0 = temp_normals[i0];
1984	const ImVec2& n1 = temp_normals[i1];
1985	float dm_x = (n0.x + n1.x) * 0.5f;
1986	float dm_y = (n0.y + n1.y) * 0.5f;
1987	IM_FIXNORMAL2F(dm_x, dm_y);
1988	dm_x *= AA_SIZE * 0.5f;
1989	dm_y *= AA_SIZE * 0.5f;
1990
1991	// Add vertices
1992	_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
1993	_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
1994	_VtxWritePtr += 2;
1995
1996	// Add indexes for fringes
1997	_IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
1998	_IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
1999	_IdxWritePtr += 6;
2000	}
2001	_VtxCurrentIdx += (ImDrawIdx)vtx_count;
2002	}
2003	else
2004	{
2005	// Non Anti-aliased Fill
2006	const int idx_count = (points_count - 2) * 3;
2007	const int vtx_count = points_count;
2008	PrimReserve(idx_count, vtx_count);
2009	for (int i = 0; i < vtx_count; i++)
2010	{
2011	_VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
2012	_VtxWritePtr++;
2013	}
2014	_Data->TempBuffer.reserve_discard(new_capacity: (ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
2015	triangulator.Init(points, points_count, scratch_buffer: _Data->TempBuffer.Data);
2016	while (triangulator._TrianglesLeft > 0)
2017	{
2018	triangulator.GetNextTriangle(out_triangle: triangle);
2019	_IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx + triangle[0]); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + triangle[1]); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + triangle[2]);
2020	_IdxWritePtr += 3;
2021	}
2022	_VtxCurrentIdx += (ImDrawIdx)vtx_count;
2023	}
2024	}
2025
2026	//-----------------------------------------------------------------------------
2027	// [SECTION] ImDrawListSplitter
2028	//-----------------------------------------------------------------------------
2029	// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap..
2030	//-----------------------------------------------------------------------------
2031
2032	void ImDrawListSplitter::ClearFreeMemory()
2033	{
2034	for (int i = 0; i < _Channels.Size; i++)
2035	{
2036	if (i == _Current)
2037	memset(s: &_Channels[i], c: 0, n: sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again
2038	_Channels[i]._CmdBuffer.clear();
2039	_Channels[i]._IdxBuffer.clear();
2040	}
2041	_Current = 0;
2042	_Count = 1;
2043	_Channels.clear();
2044	}
2045
2046	void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count)
2047	{
2048	IM_UNUSED(draw_list);
2049	IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter.");
2050	int old_channels_count = _Channels.Size;
2051	if (old_channels_count < channels_count)
2052	{
2053	_Channels.reserve(new_capacity: channels_count); // Avoid over reserving since this is likely to stay stable
2054	_Channels.resize(new_size: channels_count);
2055	}
2056	_Count = channels_count;
2057
2058	// Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer
2059	// 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.
2060	// 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
2061	memset(s: &_Channels[0], c: 0, n: sizeof(ImDrawChannel));
2062	for (int i = 1; i < channels_count; i++)
2063	{
2064	if (i >= old_channels_count)
2065	{
2066	IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
2067	}
2068	else
2069	{
2070	_Channels[i]._CmdBuffer.resize(new_size: 0);
2071	_Channels[i]._IdxBuffer.resize(new_size: 0);
2072	}
2073	}
2074	}
2075
2076	void ImDrawListSplitter::Merge(ImDrawList* draw_list)
2077	{
2078	// 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.
2079	if (_Count <= 1)
2080	return;
2081
2082	SetCurrentChannel(draw_list, channel_idx: 0);
2083	draw_list->_PopUnusedDrawCmd();
2084
2085	// Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
2086	int new_cmd_buffer_count = 0;
2087	int new_idx_buffer_count = 0;
2088	ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL;
2089	int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0;
2090	for (int i = 1; i < _Count; i++)
2091	{
2092	ImDrawChannel& ch = _Channels[i];
2093	if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0 && ch._CmdBuffer.back().UserCallback == NULL) // Equivalent of PopUnusedDrawCmd()
2094	ch._CmdBuffer.pop_back();
2095
2096	if (ch._CmdBuffer.Size > 0 && last_cmd != NULL)
2097	{
2098	// Do not include ImDrawCmd_AreSequentialIdxOffset() in the compare as we rebuild IdxOffset values ourselves.
2099	// Manipulating IdxOffset (e.g. by reordering draw commands like done by RenderDimmedBackgroundBehindWindow()) is not supported within a splitter.
2100	ImDrawCmd* next_cmd = &ch._CmdBuffer[0];
2101	if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL)
2102	{
2103	// Merge previous channel last draw command with current channel first draw command if matching.
2104	last_cmd->ElemCount += next_cmd->ElemCount;
2105	idx_offset += next_cmd->ElemCount;
2106	ch._CmdBuffer.erase(it: ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges.
2107	}
2108	}
2109	if (ch._CmdBuffer.Size > 0)
2110	last_cmd = &ch._CmdBuffer.back();
2111	new_cmd_buffer_count += ch._CmdBuffer.Size;
2112	new_idx_buffer_count += ch._IdxBuffer.Size;
2113	for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++)
2114	{
2115	ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset;
2116	idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount;
2117	}
2118	}
2119	draw_list->CmdBuffer.resize(new_size: draw_list->CmdBuffer.Size + new_cmd_buffer_count);
2120	draw_list->IdxBuffer.resize(new_size: draw_list->IdxBuffer.Size + new_idx_buffer_count);
2121
2122	// Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices)
2123	ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count;
2124	ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count;
2125	for (int i = 1; i < _Count; i++)
2126	{
2127	ImDrawChannel& ch = _Channels[i];
2128	if (int sz = ch._CmdBuffer.Size) { memcpy(dest: cmd_write, src: ch._CmdBuffer.Data, n: sz * sizeof(ImDrawCmd)); cmd_write += sz; }
2129	if (int sz = ch._IdxBuffer.Size) { memcpy(dest: idx_write, src: ch._IdxBuffer.Data, n: sz * sizeof(ImDrawIdx)); idx_write += sz; }
2130	}
2131	draw_list->_IdxWritePtr = idx_write;
2132
2133	// Ensure there's always a non-callback draw command trailing the command-buffer
2134	if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL)
2135	draw_list->AddDrawCmd();
2136
2137	// If current command is used with different settings we need to add a new command
2138	ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2139	if (curr_cmd->ElemCount == 0)
2140	ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2141	else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2142	draw_list->AddDrawCmd();
2143
2144	_Count = 1;
2145	}
2146
2147	void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
2148	{
2149	IM_ASSERT(idx >= 0 && idx < _Count);
2150	if (_Current == idx)
2151	return;
2152
2153	// Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
2154	memcpy(dest: &_Channels.Data[_Current]._CmdBuffer, src: &draw_list->CmdBuffer, n: sizeof(draw_list->CmdBuffer));
2155	memcpy(dest: &_Channels.Data[_Current]._IdxBuffer, src: &draw_list->IdxBuffer, n: sizeof(draw_list->IdxBuffer));
2156	_Current = idx;
2157	memcpy(dest: &draw_list->CmdBuffer, src: &_Channels.Data[idx]._CmdBuffer, n: sizeof(draw_list->CmdBuffer));
2158	memcpy(dest: &draw_list->IdxBuffer, src: &_Channels.Data[idx]._IdxBuffer, n: sizeof(draw_list->IdxBuffer));
2159	draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
2160
2161	// If current command is used with different settings we need to add a new command
2162	ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2163	if (curr_cmd == NULL)
2164	draw_list->AddDrawCmd();
2165	else if (curr_cmd->ElemCount == 0)
2166	ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2167	else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2168	draw_list->AddDrawCmd();
2169	}
2170
2171	//-----------------------------------------------------------------------------
2172	// [SECTION] ImDrawData
2173	//-----------------------------------------------------------------------------
2174
2175	void ImDrawData::Clear()
2176	{
2177	Valid = false;
2178	CmdListsCount = TotalIdxCount = TotalVtxCount = 0;
2179	CmdLists.resize(new_size: 0); // The ImDrawList are NOT owned by ImDrawData but e.g. by ImGuiContext, so we don't clear them.
2180	DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.0f, 0.0f);
2181	OwnerViewport = NULL;
2182	}
2183
2184	// Important: 'out_list' is generally going to be draw_data->CmdLists, but may be another temporary list
2185	// as long at it is expected that the result will be later merged into draw_data->CmdLists[].
2186	void ImGui::AddDrawListToDrawDataEx(ImDrawData* draw_data, ImVector<ImDrawList*>* out_list, ImDrawList* draw_list)
2187	{
2188	if (draw_list->CmdBuffer.Size == 0)
2189	return;
2190	if (draw_list->CmdBuffer.Size == 1 && draw_list->CmdBuffer[0].ElemCount == 0 && draw_list->CmdBuffer[0].UserCallback == NULL)
2191	return;
2192
2193	// Draw list sanity check. Detect mismatch between PrimReserve() calls and incrementing _VtxCurrentIdx, _VtxWritePtr etc.
2194	// May trigger for you if you are using PrimXXX functions incorrectly.
2195	IM_ASSERT(draw_list->VtxBuffer.Size == 0 || draw_list->_VtxWritePtr == draw_list->VtxBuffer.Data + draw_list->VtxBuffer.Size);
2196	IM_ASSERT(draw_list->IdxBuffer.Size == 0 || draw_list->_IdxWritePtr == draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size);
2197	if (!(draw_list->Flags & ImDrawListFlags_AllowVtxOffset))
2198	IM_ASSERT((int)draw_list->_VtxCurrentIdx == draw_list->VtxBuffer.Size);
2199
2200	// Check that draw_list doesn't use more vertices than indexable (default ImDrawIdx = unsigned short = 2 bytes = 64K vertices per ImDrawList = per window)
2201	// If this assert triggers because you are drawing lots of stuff manually:
2202	// - First, make sure you are coarse clipping yourself and not trying to draw many things outside visible bounds.
2203	// Be mindful that the lower-level ImDrawList API doesn't filter vertices. Use the Metrics/Debugger window to inspect draw list contents.
2204	// - If you want large meshes with more than 64K vertices, you can either:
2205	// (A) Handle the ImDrawCmd::VtxOffset value in your renderer backend, and set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset'.
2206	// Most example backends already support this from 1.71. Pre-1.71 backends won't.
2207	// 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.
2208	// (B) Or handle 32-bit indices in your renderer backend, and uncomment '#define ImDrawIdx unsigned int' line in imconfig.h.
2209	// Most example backends already support this. For example, the OpenGL example code detect index size at compile-time:
2210	// glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer_offset);
2211	// Your own engine or render API may use different parameters or function calls to specify index sizes.
2212	// 2 and 4 bytes indices are generally supported by most graphics API.
2213	// - If for some reason neither of those solutions works for you, a workaround is to call BeginChild()/EndChild() before reaching
2214	// the 64K limit to split your draw commands in multiple draw lists.
2215	if (sizeof(ImDrawIdx) == 2)
2216	IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above");
2217
2218	// Add to output list + records state in ImDrawData
2219	out_list->push_back(v: draw_list);
2220	draw_data->CmdListsCount++;
2221	draw_data->TotalVtxCount += draw_list->VtxBuffer.Size;
2222	draw_data->TotalIdxCount += draw_list->IdxBuffer.Size;
2223	}
2224
2225	void ImDrawData::AddDrawList(ImDrawList* draw_list)
2226	{
2227	IM_ASSERT(CmdLists.Size == CmdListsCount);
2228	draw_list->_PopUnusedDrawCmd();
2229	ImGui::AddDrawListToDrawDataEx(draw_data: this, out_list: &CmdLists, draw_list);
2230	}
2231
2232	// 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!
2233	void ImDrawData::DeIndexAllBuffers()
2234	{
2235	ImVector<ImDrawVert> new_vtx_buffer;
2236	TotalVtxCount = TotalIdxCount = 0;
2237	for (int i = 0; i < CmdListsCount; i++)
2238	{
2239	ImDrawList* cmd_list = CmdLists[i];
2240	if (cmd_list->IdxBuffer.empty())
2241	continue;
2242	new_vtx_buffer.resize(new_size: cmd_list->IdxBuffer.Size);
2243	for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
2244	new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
2245	cmd_list->VtxBuffer.swap(rhs&: new_vtx_buffer);
2246	cmd_list->IdxBuffer.resize(new_size: 0);
2247	TotalVtxCount += cmd_list->VtxBuffer.Size;
2248	}
2249	}
2250
2251	// Helper to scale the ClipRect field of each ImDrawCmd.
2252	// Use if your final output buffer is at a different scale than draw_data->DisplaySize,
2253	// or if there is a difference between your window resolution and framebuffer resolution.
2254	void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
2255	{
2256	for (ImDrawList* draw_list : CmdLists)
2257	for (ImDrawCmd& cmd : draw_list->CmdBuffer)
2258	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);
2259	}
2260
2261	//-----------------------------------------------------------------------------
2262	// [SECTION] Helpers ShadeVertsXXX functions
2263	//-----------------------------------------------------------------------------
2264
2265	// Generic linear color gradient, write to RGB fields, leave A untouched.
2266	void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
2267	{
2268	ImVec2 gradient_extent = gradient_p1 - gradient_p0;
2269	float gradient_inv_length2 = 1.0f / ImLengthSqr(lhs: gradient_extent);
2270	ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2271	ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2272	const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF;
2273	const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF;
2274	const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF;
2275	const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r;
2276	const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g;
2277	const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b;
2278	for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
2279	{
2280	float d = ImDot(a: vert->pos - gradient_p0, b: gradient_extent);
2281	float t = ImClamp(v: d * gradient_inv_length2, mn: 0.0f, mx: 1.0f);
2282	int r = (int)(col0_r + col_delta_r * t);
2283	int g = (int)(col0_g + col_delta_g * t);
2284	int b = (int)(col0_b + col_delta_b * t);
2285	vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
2286	}
2287	}
2288
2289	// Distribute UV over (a, b) rectangle
2290	void 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)
2291	{
2292	const ImVec2 size = b - a;
2293	const ImVec2 uv_size = uv_b - uv_a;
2294	const ImVec2 scale = ImVec2(
2295	size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
2296	size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
2297
2298	ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2299	ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2300	if (clamp)
2301	{
2302	const ImVec2 min = ImMin(lhs: uv_a, rhs: uv_b);
2303	const ImVec2 max = ImMax(lhs: uv_a, rhs: uv_b);
2304	for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2305	vertex->uv = ImClamp(v: uv_a + ImMul(lhs: ImVec2(vertex->pos.x, vertex->pos.y) - a, rhs: scale), mn: min, mx: max);
2306	}
2307	else
2308	{
2309	for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2310	vertex->uv = uv_a + ImMul(lhs: ImVec2(vertex->pos.x, vertex->pos.y) - a, rhs: scale);
2311	}
2312	}
2313
2314	void 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)
2315	{
2316	ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2317	ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2318	for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2319	vertex->pos = ImRotate(v: vertex->pos- pivot_in, cos_a, sin_a) + pivot_out;
2320	}
2321
2322	//-----------------------------------------------------------------------------
2323	// [SECTION] ImFontConfig
2324	//-----------------------------------------------------------------------------
2325
2326	ImFontConfig::ImFontConfig()
2327	{
2328	memset(s: this, c: 0, n: sizeof(*this));
2329	FontDataOwnedByAtlas = true;
2330	OversampleH = 2;
2331	OversampleV = 1;
2332	GlyphMaxAdvanceX = FLT_MAX;
2333	RasterizerMultiply = 1.0f;
2334	RasterizerDensity = 1.0f;
2335	EllipsisChar = (ImWchar)-1;
2336	}
2337
2338	//-----------------------------------------------------------------------------
2339	// [SECTION] ImFontAtlas
2340	//-----------------------------------------------------------------------------
2341
2342	// A work of art lies ahead! (. = white layer, X = black layer, others are blank)
2343	// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
2344	// (This is used when io.MouseDrawCursor = true)
2345	const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 122; // Actual texture will be 2 times that + 1 spacing.
2346	const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
2347	static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
2348	{
2349	"..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX - XX XX "
2350	"..- -X.....X- X.X - X.X -X.....X - X.....X- X..X -X..X X..X"
2351	"--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X -X...X X...X"
2352	"X - X.X - X.....X - X.....X -X...X - X...X- X..X - X...X X...X "
2353	"XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X - X...X...X "
2354	"X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX - X.....X "
2355	"X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX - X...X "
2356	"X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX - X.X "
2357	"X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X - X...X "
2358	"X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X- X.....X "
2359	"X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X- X...X...X "
2360	"X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X- X...X X...X "
2361	"X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X-X...X X...X"
2362	"X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X-X..X X..X"
2363	"X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X- XX XX "
2364	"X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X--------------"
2365	"X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X - "
2366	"X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X - "
2367	"X.X X..X - -X.......X- X.......X - XX XX - - X..........X - "
2368	"XX X..X - - X.....X - X.....X - X.X X.X - - X........X - "
2369	" X..X - - X...X - X...X - X..X X..X - - X........X - "
2370	" XX - - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX - "
2371	"------------- - X - X -X.....................X- ------------------- "
2372	" ----------------------------------- X...XXXXXXXXXXXXX...X - "
2373	" - X..X X..X - "
2374	" - X.X X.X - "
2375	" - XX XX - "
2376	};
2377
2378	static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
2379	{
2380	// Pos ........ Size ......... Offset ......
2381	{ ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
2382	{ ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
2383	{ ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
2384	{ ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
2385	{ ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
2386	{ ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
2387	{ ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
2388	{ ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
2389	{ ImVec2(109,0),ImVec2(13,15), ImVec2( 6, 7) }, // ImGuiMouseCursor_NotAllowed
2390	};
2391
2392	ImFontAtlas::ImFontAtlas()
2393	{
2394	memset(s: this, c: 0, n: sizeof(*this));
2395	TexGlyphPadding = 1;
2396	PackIdMouseCursors = PackIdLines = -1;
2397	}
2398
2399	ImFontAtlas::~ImFontAtlas()
2400	{
2401	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2402	Clear();
2403	}
2404
2405	void ImFontAtlas::ClearInputData()
2406	{
2407	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2408	for (ImFontConfig& font_cfg : ConfigData)
2409	if (font_cfg.FontData && font_cfg.FontDataOwnedByAtlas)
2410	{
2411	IM_FREE(font_cfg.FontData);
2412	font_cfg.FontData = NULL;
2413	}
2414
2415	// When clearing this we lose access to the font name and other information used to build the font.
2416	for (ImFont* font : Fonts)
2417	if (font->ConfigData >= ConfigData.Data && font->ConfigData < ConfigData.Data + ConfigData.Size)
2418	{
2419	font->ConfigData = NULL;
2420	font->ConfigDataCount = 0;
2421	}
2422	ConfigData.clear();
2423	CustomRects.clear();
2424	PackIdMouseCursors = PackIdLines = -1;
2425	// Important: we leave TexReady untouched
2426	}
2427
2428	void ImFontAtlas::ClearTexData()
2429	{
2430	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2431	if (TexPixelsAlpha8)
2432	IM_FREE(TexPixelsAlpha8);
2433	if (TexPixelsRGBA32)
2434	IM_FREE(TexPixelsRGBA32);
2435	TexPixelsAlpha8 = NULL;
2436	TexPixelsRGBA32 = NULL;
2437	TexPixelsUseColors = false;
2438	// Important: we leave TexReady untouched
2439	}
2440
2441	void ImFontAtlas::ClearFonts()
2442	{
2443	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2444	Fonts.clear_delete();
2445	TexReady = false;
2446	}
2447
2448	void ImFontAtlas::Clear()
2449	{
2450	ClearInputData();
2451	ClearTexData();
2452	ClearFonts();
2453	}
2454
2455	void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2456	{
2457	// Build atlas on demand
2458	if (TexPixelsAlpha8 == NULL)
2459	Build();
2460
2461	*out_pixels = TexPixelsAlpha8;
2462	if (out_width) *out_width = TexWidth;
2463	if (out_height) *out_height = TexHeight;
2464	if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
2465	}
2466
2467	void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2468	{
2469	// Convert to RGBA32 format on demand
2470	// Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
2471	if (!TexPixelsRGBA32)
2472	{
2473	unsigned char* pixels = NULL;
2474	GetTexDataAsAlpha8(out_pixels: &pixels, NULL, NULL);
2475	if (pixels)
2476	{
2477	TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4);
2478	const unsigned char* src = pixels;
2479	unsigned int* dst = TexPixelsRGBA32;
2480	for (int n = TexWidth * TexHeight; n > 0; n--)
2481	*dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
2482	}
2483	}
2484
2485	*out_pixels = (unsigned char*)TexPixelsRGBA32;
2486	if (out_width) *out_width = TexWidth;
2487	if (out_height) *out_height = TexHeight;
2488	if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
2489	}
2490
2491	ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
2492	{
2493	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2494	IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
2495	IM_ASSERT(font_cfg->SizePixels > 0.0f);
2496
2497	// Create new font
2498	if (!font_cfg->MergeMode)
2499	Fonts.push_back(IM_NEW(ImFont));
2500	else
2501	IM_ASSERT(!Fonts.empty() && "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.
2502
2503	ConfigData.push_back(v: *font_cfg);
2504	ImFontConfig& new_font_cfg = ConfigData.back();
2505	if (new_font_cfg.DstFont == NULL)
2506	new_font_cfg.DstFont = Fonts.back();
2507	if (!new_font_cfg.FontDataOwnedByAtlas)
2508	{
2509	new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize);
2510	new_font_cfg.FontDataOwnedByAtlas = true;
2511	memcpy(dest: new_font_cfg.FontData, src: font_cfg->FontData, n: (size_t)new_font_cfg.FontDataSize);
2512	}
2513
2514	if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
2515	new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
2516
2517	ImFontAtlasUpdateConfigDataPointers(atlas: this);
2518
2519	// Invalidate texture
2520	TexReady = false;
2521	ClearTexData();
2522	return new_font_cfg.DstFont;
2523	}
2524
2525	// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
2526	static unsigned int stb_decompress_length(const unsigned char* input);
2527	static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length);
2528	static const char* GetDefaultCompressedFontDataTTFBase85();
2529	static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
2530	static void Decode85(const unsigned char* src, unsigned char* dst)
2531	{
2532	while (*src)
2533	{
2534	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]))));
2535	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.
2536	src += 5;
2537	dst += 4;
2538	}
2539	}
2540
2541	// Load embedded ProggyClean.ttf at size 13, disable oversampling
2542	ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
2543	{
2544	ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2545	if (!font_cfg_template)
2546	{
2547	font_cfg.OversampleH = font_cfg.OversampleV = 1;
2548	font_cfg.PixelSnapH = true;
2549	}
2550	if (font_cfg.SizePixels <= 0.0f)
2551	font_cfg.SizePixels = 13.0f * 1.0f;
2552	if (font_cfg.Name[0] == '\0')
2553	ImFormatString(buf: font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), fmt: "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
2554	font_cfg.EllipsisChar = (ImWchar)0x0085;
2555	font_cfg.GlyphOffset.y = 1.0f * IM_TRUNC(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units
2556
2557	const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
2558	const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
2559	ImFont* font = AddFontFromMemoryCompressedBase85TTF(compressed_font_data_base85: ttf_compressed_base85, size_pixels: font_cfg.SizePixels, font_cfg: &font_cfg, glyph_ranges);
2560	return font;
2561	}
2562
2563	ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2564	{
2565	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2566	size_t data_size = 0;
2567	void* data = ImFileLoadToMemory(filename, mode: "rb", out_file_size: &data_size, padding_bytes: 0);
2568	if (!data)
2569	{
2570	IM_ASSERT_USER_ERROR(0, "Could not load font file!");
2571	return NULL;
2572	}
2573	ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2574	if (font_cfg.Name[0] == '\0')
2575	{
2576	// Store a short copy of filename into into the font name for convenience
2577	const char* p;
2578	for (p = filename + strlen(s: filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
2579	ImFormatString(buf: font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), fmt: "%s, %.0fpx", p, size_pixels);
2580	}
2581	return AddFontFromMemoryTTF(font_data: data, font_data_size: (int)data_size, size_pixels, font_cfg: &font_cfg, glyph_ranges);
2582	}
2583
2584	// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
2585	ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* font_data, int font_data_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2586	{
2587	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2588	ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2589	IM_ASSERT(font_cfg.FontData == NULL);
2590	IM_ASSERT(font_data_size > 100 && "Incorrect value for font_data_size!"); // Heuristic to prevent accidentally passing a wrong value to font_data_size.
2591	font_cfg.FontData = font_data;
2592	font_cfg.FontDataSize = font_data_size;
2593	font_cfg.SizePixels = size_pixels > 0.0f ? size_pixels : font_cfg.SizePixels;
2594	if (glyph_ranges)
2595	font_cfg.GlyphRanges = glyph_ranges;
2596	return AddFont(font_cfg: &font_cfg);
2597	}
2598
2599	ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2600	{
2601	const unsigned int buf_decompressed_size = stb_decompress_length(input: (const unsigned char*)compressed_ttf_data);
2602	unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size);
2603	stb_decompress(output: buf_decompressed_data, input: (const unsigned char*)compressed_ttf_data, length: (unsigned int)compressed_ttf_size);
2604
2605	ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2606	IM_ASSERT(font_cfg.FontData == NULL);
2607	font_cfg.FontDataOwnedByAtlas = true;
2608	return AddFontFromMemoryTTF(font_data: buf_decompressed_data, font_data_size: (int)buf_decompressed_size, size_pixels, font_cfg_template: &font_cfg, glyph_ranges);
2609	}
2610
2611	ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
2612	{
2613	int compressed_ttf_size = (((int)strlen(s: compressed_ttf_data_base85) + 4) / 5) * 4;
2614	void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size);
2615	Decode85(src: (const unsigned char*)compressed_ttf_data_base85, dst: (unsigned char*)compressed_ttf);
2616	ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf_data: compressed_ttf, compressed_ttf_size, size_pixels, font_cfg_template: font_cfg, glyph_ranges);
2617	IM_FREE(compressed_ttf);
2618	return font;
2619	}
2620
2621	int ImFontAtlas::AddCustomRectRegular(int width, int height)
2622	{
2623	IM_ASSERT(width > 0 && width <= 0xFFFF);
2624	IM_ASSERT(height > 0 && height <= 0xFFFF);
2625	ImFontAtlasCustomRect r;
2626	r.Width = (unsigned short)width;
2627	r.Height = (unsigned short)height;
2628	CustomRects.push_back(v: r);
2629	return CustomRects.Size - 1; // Return index
2630	}
2631
2632	int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
2633	{
2634	#ifdef IMGUI_USE_WCHAR32
2635	IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX);
2636	#endif
2637	IM_ASSERT(font != NULL);
2638	IM_ASSERT(width > 0 && width <= 0xFFFF);
2639	IM_ASSERT(height > 0 && height <= 0xFFFF);
2640	ImFontAtlasCustomRect r;
2641	r.Width = (unsigned short)width;
2642	r.Height = (unsigned short)height;
2643	r.GlyphID = id;
2644	r.GlyphAdvanceX = advance_x;
2645	r.GlyphOffset = offset;
2646	r.Font = font;
2647	CustomRects.push_back(v: r);
2648	return CustomRects.Size - 1; // Return index
2649	}
2650
2651	void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
2652	{
2653	IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
2654	IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
2655	*out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
2656	*out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
2657	}
2658
2659	bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
2660	{
2661	if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
2662	return false;
2663	if (Flags & ImFontAtlasFlags_NoMouseCursors)
2664	return false;
2665
2666	IM_ASSERT(PackIdMouseCursors != -1);
2667	ImFontAtlasCustomRect* r = GetCustomRectByIndex(index: PackIdMouseCursors);
2668	ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r->X, (float)r->Y);
2669	ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
2670	*out_size = size;
2671	*out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
2672	out_uv_border[0] = (pos) * TexUvScale;
2673	out_uv_border[1] = (pos + size) * TexUvScale;
2674	pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
2675	out_uv_fill[0] = (pos) * TexUvScale;
2676	out_uv_fill[1] = (pos + size) * TexUvScale;
2677	return true;
2678	}
2679
2680	bool ImFontAtlas::Build()
2681	{
2682	IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2683
2684	// Default font is none are specified
2685	if (ConfigData.Size == 0)
2686	AddFontDefault();
2687
2688	// Select builder
2689	// - Note that we do not reassign to atlas->FontBuilderIO, since it is likely to point to static data which
2690	// may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are
2691	// using a hot-reloading scheme that messes up static data, store your own instance of ImFontBuilderIO somewhere
2692	// and point to it instead of pointing directly to return value of the GetBuilderXXX functions.
2693	const ImFontBuilderIO* builder_io = FontBuilderIO;
2694	if (builder_io == NULL)
2695	{
2696	#ifdef IMGUI_ENABLE_FREETYPE
2697	builder_io = ImGuiFreeType::GetBuilderForFreeType();
2698	#elif defined(IMGUI_ENABLE_STB_TRUETYPE)
2699	builder_io = ImFontAtlasGetBuilderForStbTruetype();
2700	#else
2701	IM_ASSERT(0); // Invalid Build function
2702	#endif
2703	}
2704
2705	// Build
2706	return builder_io->FontBuilder_Build(this);
2707	}
2708
2709	void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
2710	{
2711	for (unsigned int i = 0; i < 256; i++)
2712	{
2713	unsigned int value = (unsigned int)(i * in_brighten_factor);
2714	out_table[i] = value > 255 ? 255 : (value & 0xFF);
2715	}
2716	}
2717
2718	void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
2719	{
2720	IM_ASSERT_PARANOID(w <= stride);
2721	unsigned char* data = pixels + x + y * stride;
2722	for (int j = h; j > 0; j--, data += stride - w)
2723	for (int i = w; i > 0; i--, data++)
2724	*data = table[*data];
2725	}
2726
2727	#ifdef IMGUI_ENABLE_STB_TRUETYPE
2728	// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
2729	// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
2730	struct ImFontBuildSrcData
2731	{
2732	stbtt_fontinfo FontInfo;
2733	stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
2734	stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
2735	stbtt_packedchar* PackedChars; // Output glyphs
2736	const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
2737	int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
2738	int GlyphsHighest; // Highest requested codepoint
2739	int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
2740	ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
2741	ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsSet)
2742	};
2743
2744	// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
2745	struct ImFontBuildDstData
2746	{
2747	int SrcCount; // Number of source fonts targeting this destination font.
2748	int GlyphsHighest;
2749	int GlyphsCount;
2750	ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
2751	};
2752
2753	static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out)
2754	{
2755	IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
2756	const ImU32* it_begin = in->Storage.begin();
2757	const ImU32* it_end = in->Storage.end();
2758	for (const ImU32* it = it_begin; it < it_end; it++)
2759	if (ImU32 entries_32 = *it)
2760	for (ImU32 bit_n = 0; bit_n < 32; bit_n++)
2761	if (entries_32 & ((ImU32)1 << bit_n))
2762	out->push_back(v: (int)(((it - it_begin) << 5) + bit_n));
2763	}
2764
2765	static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
2766	{
2767	IM_ASSERT(atlas->ConfigData.Size > 0);
2768
2769	ImFontAtlasBuildInit(atlas);
2770
2771	// Clear atlas
2772	atlas->TexID = (ImTextureID)NULL;
2773	atlas->TexWidth = atlas->TexHeight = 0;
2774	atlas->TexUvScale = ImVec2(0.0f, 0.0f);
2775	atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
2776	atlas->ClearTexData();
2777
2778	// Temporary storage for building
2779	ImVector<ImFontBuildSrcData> src_tmp_array;
2780	ImVector<ImFontBuildDstData> dst_tmp_array;
2781	src_tmp_array.resize(new_size: atlas->ConfigData.Size);
2782	dst_tmp_array.resize(new_size: atlas->Fonts.Size);
2783	memset(s: src_tmp_array.Data, c: 0, n: (size_t)src_tmp_array.size_in_bytes());
2784	memset(s: dst_tmp_array.Data, c: 0, n: (size_t)dst_tmp_array.size_in_bytes());
2785
2786	// 1. Initialize font loading structure, check font data validity
2787	for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
2788	{
2789	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2790	ImFontConfig& cfg = atlas->ConfigData[src_i];
2791	IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
2792
2793	// Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
2794	src_tmp.DstIndex = -1;
2795	for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
2796	if (cfg.DstFont == atlas->Fonts[output_i])
2797	src_tmp.DstIndex = output_i;
2798	if (src_tmp.DstIndex == -1)
2799	{
2800	IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
2801	return false;
2802	}
2803	// Initialize helper structure for font loading and verify that the TTF/OTF data is correct
2804	const int font_offset = stbtt_GetFontOffsetForIndex(data: (unsigned char*)cfg.FontData, index: cfg.FontNo);
2805	IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
2806	if (!stbtt_InitFont(info: &src_tmp.FontInfo, data: (unsigned char*)cfg.FontData, offset: font_offset))
2807	{
2808	IM_ASSERT(0 && "stbtt_InitFont(): failed to parse FontData. It is correct and complete? Check FontDataSize.");
2809	return false;
2810	}
2811
2812	// Measure highest codepoints
2813	ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2814	src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
2815	for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2816	{
2817	// Check for valid range. This may also help detect *some* dangling pointers, because a common
2818	// user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent.
2819	IM_ASSERT(src_range[0] <= src_range[1]);
2820	src_tmp.GlyphsHighest = ImMax(lhs: src_tmp.GlyphsHighest, rhs: (int)src_range[1]);
2821	}
2822	dst_tmp.SrcCount++;
2823	dst_tmp.GlyphsHighest = ImMax(lhs: dst_tmp.GlyphsHighest, rhs: src_tmp.GlyphsHighest);
2824	}
2825
2826	// 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.
2827	int total_glyphs_count = 0;
2828	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2829	{
2830	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2831	ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2832	src_tmp.GlyphsSet.Create(sz: src_tmp.GlyphsHighest + 1);
2833	if (dst_tmp.GlyphsSet.Storage.empty())
2834	dst_tmp.GlyphsSet.Create(sz: dst_tmp.GlyphsHighest + 1);
2835
2836	for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2837	for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
2838	{
2839	if (dst_tmp.GlyphsSet.TestBit(n: codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
2840	continue;
2841	if (!stbtt_FindGlyphIndex(info: &src_tmp.FontInfo, unicode_codepoint: codepoint)) // It is actually in the font?
2842	continue;
2843
2844	// Add to avail set/counters
2845	src_tmp.GlyphsCount++;
2846	dst_tmp.GlyphsCount++;
2847	src_tmp.GlyphsSet.SetBit(codepoint);
2848	dst_tmp.GlyphsSet.SetBit(codepoint);
2849	total_glyphs_count++;
2850	}
2851	}
2852
2853	// 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)
2854	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2855	{
2856	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2857	src_tmp.GlyphsList.reserve(new_capacity: src_tmp.GlyphsCount);
2858	UnpackBitVectorToFlatIndexList(in: &src_tmp.GlyphsSet, out: &src_tmp.GlyphsList);
2859	src_tmp.GlyphsSet.Clear();
2860	IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
2861	}
2862	for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
2863	dst_tmp_array[dst_i].GlyphsSet.Clear();
2864	dst_tmp_array.clear();
2865
2866	// Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
2867	// (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
2868	ImVector<stbrp_rect> buf_rects;
2869	ImVector<stbtt_packedchar> buf_packedchars;
2870	buf_rects.resize(new_size: total_glyphs_count);
2871	buf_packedchars.resize(new_size: total_glyphs_count);
2872	memset(s: buf_rects.Data, c: 0, n: (size_t)buf_rects.size_in_bytes());
2873	memset(s: buf_packedchars.Data, c: 0, n: (size_t)buf_packedchars.size_in_bytes());
2874
2875	// 4. Gather glyphs sizes so we can pack them in our virtual canvas.
2876	int total_surface = 0;
2877	int buf_rects_out_n = 0;
2878	int buf_packedchars_out_n = 0;
2879	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2880	{
2881	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2882	if (src_tmp.GlyphsCount == 0)
2883	continue;
2884
2885	src_tmp.Rects = &buf_rects[buf_rects_out_n];
2886	src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
2887	buf_rects_out_n += src_tmp.GlyphsCount;
2888	buf_packedchars_out_n += src_tmp.GlyphsCount;
2889
2890	// Convert our ranges in the format stb_truetype wants
2891	ImFontConfig& cfg = atlas->ConfigData[src_i];
2892	src_tmp.PackRange.font_size = cfg.SizePixels * cfg.RasterizerDensity;
2893	src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
2894	src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
2895	src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
2896	src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
2897	src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
2898	src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
2899
2900	// Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
2901	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);
2902	const int padding = atlas->TexGlyphPadding;
2903	for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
2904	{
2905	int x0, y0, x1, y1;
2906	const int glyph_index_in_font = stbtt_FindGlyphIndex(info: &src_tmp.FontInfo, unicode_codepoint: src_tmp.GlyphsList[glyph_i]);
2907	IM_ASSERT(glyph_index_in_font != 0);
2908	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);
2909	src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
2910	src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
2911	total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
2912	}
2913	}
2914
2915	// We need a width for the skyline algorithm, any width!
2916	// The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
2917	// User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
2918	const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
2919	atlas->TexHeight = 0;
2920	if (atlas->TexDesiredWidth > 0)
2921	atlas->TexWidth = atlas->TexDesiredWidth;
2922	else
2923	atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512;
2924
2925	// 5. Start packing
2926	// Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
2927	const int TEX_HEIGHT_MAX = 1024 * 32;
2928	stbtt_pack_context spc = {};
2929	stbtt_PackBegin(spc: &spc, NULL, pw: atlas->TexWidth, ph: TEX_HEIGHT_MAX, stride_in_bytes: 0, padding: atlas->TexGlyphPadding, NULL);
2930	ImFontAtlasBuildPackCustomRects(atlas, stbrp_context_opaque: spc.pack_info);
2931
2932	// 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
2933	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2934	{
2935	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2936	if (src_tmp.GlyphsCount == 0)
2937	continue;
2938
2939	stbrp_pack_rects(context: (stbrp_context*)spc.pack_info, rects: src_tmp.Rects, num_rects: src_tmp.GlyphsCount);
2940
2941	// Extend texture height and mark missing glyphs as non-packed so we won't render them.
2942	// 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?)
2943	for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2944	if (src_tmp.Rects[glyph_i].was_packed)
2945	atlas->TexHeight = ImMax(lhs: atlas->TexHeight, rhs: src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
2946	}
2947
2948	// 7. Allocate texture
2949	atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(v: atlas->TexHeight);
2950	atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
2951	atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
2952	memset(s: atlas->TexPixelsAlpha8, c: 0, n: atlas->TexWidth * atlas->TexHeight);
2953	spc.pixels = atlas->TexPixelsAlpha8;
2954	spc.height = atlas->TexHeight;
2955
2956	// 8. Render/rasterize font characters into the texture
2957	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2958	{
2959	ImFontConfig& cfg = atlas->ConfigData[src_i];
2960	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2961	if (src_tmp.GlyphsCount == 0)
2962	continue;
2963
2964	stbtt_PackFontRangesRenderIntoRects(spc: &spc, info: &src_tmp.FontInfo, ranges: &src_tmp.PackRange, num_ranges: 1, rects: src_tmp.Rects);
2965
2966	// Apply multiply operator
2967	if (cfg.RasterizerMultiply != 1.0f)
2968	{
2969	unsigned char multiply_table[256];
2970	ImFontAtlasBuildMultiplyCalcLookupTable(out_table: multiply_table, in_brighten_factor: cfg.RasterizerMultiply);
2971	stbrp_rect* r = &src_tmp.Rects[0];
2972	for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
2973	if (r->was_packed)
2974	ImFontAtlasBuildMultiplyRectAlpha8(table: multiply_table, pixels: atlas->TexPixelsAlpha8, x: r->x, y: r->y, w: r->w, h: r->h, stride: atlas->TexWidth * 1);
2975	}
2976	src_tmp.Rects = NULL;
2977	}
2978
2979	// End packing
2980	stbtt_PackEnd(spc: &spc);
2981	buf_rects.clear();
2982
2983	// 9. Setup ImFont and glyphs for runtime
2984	for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2985	{
2986	// When merging fonts with MergeMode=true:
2987	// - We can have multiple input fonts writing into a same destination font.
2988	// - dst_font->ConfigData is != from cfg which is our source configuration.
2989	ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2990	ImFontConfig& cfg = atlas->ConfigData[src_i];
2991	ImFont* dst_font = cfg.DstFont;
2992
2993	const float font_scale = stbtt_ScaleForPixelHeight(info: &src_tmp.FontInfo, height: cfg.SizePixels);
2994	int unscaled_ascent, unscaled_descent, unscaled_line_gap;
2995	stbtt_GetFontVMetrics(info: &src_tmp.FontInfo, ascent: &unscaled_ascent, descent: &unscaled_descent, lineGap: &unscaled_line_gap);
2996
2997	const float ascent = ImCeil(unscaled_ascent * font_scale);
2998	const float descent = ImFloor(f: unscaled_descent * font_scale);
2999	ImFontAtlasBuildSetupFont(atlas, font: dst_font, font_config: &cfg, ascent, descent);
3000	const float font_off_x = cfg.GlyphOffset.x;
3001	const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
3002
3003	const float inv_rasterization_scale = 1.0f / cfg.RasterizerDensity;
3004
3005	for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
3006	{
3007	// Register glyph
3008	const int codepoint = src_tmp.GlyphsList[glyph_i];
3009	const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
3010	stbtt_aligned_quad q;
3011	float unused_x = 0.0f, unused_y = 0.0f;
3012	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);
3013	float x0 = q.x0 * inv_rasterization_scale + font_off_x;
3014	float y0 = q.y0 * inv_rasterization_scale + font_off_y;
3015	float x1 = q.x1 * inv_rasterization_scale + font_off_x;
3016	float y1 = q.y1 * inv_rasterization_scale + font_off_y;
3017	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);
3018	}
3019	}
3020
3021	// Cleanup
3022	src_tmp_array.clear_destruct();
3023
3024	ImFontAtlasBuildFinish(atlas);
3025	return true;
3026	}
3027
3028	const ImFontBuilderIO* ImFontAtlasGetBuilderForStbTruetype()
3029	{
3030	static ImFontBuilderIO io;
3031	io.FontBuilder_Build = ImFontAtlasBuildWithStbTruetype;
3032	return &io;
3033	}
3034
3035	#endif // IMGUI_ENABLE_STB_TRUETYPE
3036
3037	void ImFontAtlasUpdateConfigDataPointers(ImFontAtlas* atlas)
3038	{
3039	for (ImFontConfig& font_cfg : atlas->ConfigData)
3040	{
3041	ImFont* font = font_cfg.DstFont;
3042	if (!font_cfg.MergeMode)
3043	{
3044	font->ConfigData = &font_cfg;
3045	font->ConfigDataCount = 0;
3046	}
3047	font->ConfigDataCount++;
3048	}
3049	}
3050
3051	void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
3052	{
3053	if (!font_config->MergeMode)
3054	{
3055	font->ClearOutputData();
3056	font->FontSize = font_config->SizePixels;
3057	IM_ASSERT(font->ConfigData == font_config);
3058	font->ContainerAtlas = atlas;
3059	font->Ascent = ascent;
3060	font->Descent = descent;
3061	}
3062	}
3063
3064	void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
3065	{
3066	stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
3067	IM_ASSERT(pack_context != NULL);
3068
3069	ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects;
3070	IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
3071	#ifdef __GNUC__
3072	if (user_rects.Size < 1) { __builtin_unreachable(); } // Workaround for GCC bug if IM_ASSERT() is defined to conditionally throw (see #5343)
3073	#endif
3074
3075	ImVector<stbrp_rect> pack_rects;
3076	pack_rects.resize(new_size: user_rects.Size);
3077	memset(s: pack_rects.Data, c: 0, n: (size_t)pack_rects.size_in_bytes());
3078	for (int i = 0; i < user_rects.Size; i++)
3079	{
3080	pack_rects[i].w = user_rects[i].Width;
3081	pack_rects[i].h = user_rects[i].Height;
3082	}
3083	stbrp_pack_rects(context: pack_context, rects: &pack_rects[0], num_rects: pack_rects.Size);
3084	for (int i = 0; i < pack_rects.Size; i++)
3085	if (pack_rects[i].was_packed)
3086	{
3087	user_rects[i].X = (unsigned short)pack_rects[i].x;
3088	user_rects[i].Y = (unsigned short)pack_rects[i].y;
3089	IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
3090	atlas->TexHeight = ImMax(lhs: atlas->TexHeight, rhs: pack_rects[i].y + pack_rects[i].h);
3091	}
3092	}
3093
3094	void 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)
3095	{
3096	IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3097	IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3098	unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth);
3099	for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3100	for (int off_x = 0; off_x < w; off_x++)
3101	out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00;
3102	}
3103
3104	void 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)
3105	{
3106	IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3107	IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3108	unsigned int* out_pixel = atlas->TexPixelsRGBA32 + x + (y * atlas->TexWidth);
3109	for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3110	for (int off_x = 0; off_x < w; off_x++)
3111	out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : IM_COL32_BLACK_TRANS;
3112	}
3113
3114	static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
3115	{
3116	ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(index: atlas->PackIdMouseCursors);
3117	IM_ASSERT(r->IsPacked());
3118
3119	const int w = atlas->TexWidth;
3120	if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
3121	{
3122	// Render/copy pixels
3123	IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
3124	const int x_for_white = r->X;
3125	const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
3126	if (atlas->TexPixelsAlpha8 != NULL)
3127	{
3128	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);
3129	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);
3130	}
3131	else
3132	{
3133	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);
3134	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);
3135	}
3136	}
3137	else
3138	{
3139	// Render 4 white pixels
3140	IM_ASSERT(r->Width == 2 && r->Height == 2);
3141	const int offset = (int)r->X + (int)r->Y * w;
3142	if (atlas->TexPixelsAlpha8 != NULL)
3143	{
3144	atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
3145	}
3146	else
3147	{
3148	atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE;
3149	}
3150	}
3151	atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y);
3152	}
3153
3154	static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
3155	{
3156	if (atlas->Flags & ImFontAtlasFlags_NoBakedLines)
3157	return;
3158
3159	// This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them
3160	ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(index: atlas->PackIdLines);
3161	IM_ASSERT(r->IsPacked());
3162	for (unsigned int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row
3163	{
3164	// Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle
3165	unsigned int y = n;
3166	unsigned int line_width = n;
3167	unsigned int pad_left = (r->Width - line_width) / 2;
3168	unsigned int pad_right = r->Width - (pad_left + line_width);
3169
3170	// Write each slice
3171	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
3172	if (atlas->TexPixelsAlpha8 != NULL)
3173	{
3174	unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)];
3175	for (unsigned int i = 0; i < pad_left; i++)
3176	*(write_ptr + i) = 0x00;
3177
3178	for (unsigned int i = 0; i < line_width; i++)
3179	*(write_ptr + pad_left + i) = 0xFF;
3180
3181	for (unsigned int i = 0; i < pad_right; i++)
3182	*(write_ptr + pad_left + line_width + i) = 0x00;
3183	}
3184	else
3185	{
3186	unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)];
3187	for (unsigned int i = 0; i < pad_left; i++)
3188	*(write_ptr + i) = IM_COL32(255, 255, 255, 0);
3189
3190	for (unsigned int i = 0; i < line_width; i++)
3191	*(write_ptr + pad_left + i) = IM_COL32_WHITE;
3192
3193	for (unsigned int i = 0; i < pad_right; i++)
3194	*(write_ptr + pad_left + line_width + i) = IM_COL32(255, 255, 255, 0);
3195	}
3196
3197	// Calculate UVs for this line
3198	ImVec2 uv0 = ImVec2((float)(r->X + pad_left - 1), (float)(r->Y + y)) * atlas->TexUvScale;
3199	ImVec2 uv1 = ImVec2((float)(r->X + pad_left + line_width + 1), (float)(r->Y + y + 1)) * atlas->TexUvScale;
3200	float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts
3201	atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v);
3202	}
3203	}
3204
3205	// Note: this is called / shared by both the stb_truetype and the FreeType builder
3206	void ImFontAtlasBuildInit(ImFontAtlas* atlas)
3207	{
3208	// Round font size
3209	// - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
3210	// - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
3211	// - We may support it better later and remove this rounding.
3212	for (ImFontConfig& cfg : atlas->ConfigData)
3213	cfg.SizePixels = ImTrunc(f: cfg.SizePixels);
3214
3215	// Register texture region for mouse cursors or standard white pixels
3216	if (atlas->PackIdMouseCursors < 0)
3217	{
3218	if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
3219	atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(width: FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, height: FONT_ATLAS_DEFAULT_TEX_DATA_H);
3220	else
3221	atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(width: 2, height: 2);
3222	}
3223
3224	// Register texture region for thick lines
3225	// 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
3226	if (atlas->PackIdLines < 0)
3227	{
3228	if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines))
3229	atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1);
3230	}
3231	}
3232
3233	// This is called/shared by both the stb_truetype and the FreeType builder.
3234	void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
3235	{
3236	// Render into our custom data blocks
3237	IM_ASSERT(atlas->TexPixelsAlpha8 != NULL || atlas->TexPixelsRGBA32 != NULL);
3238	ImFontAtlasBuildRenderDefaultTexData(atlas);
3239	ImFontAtlasBuildRenderLinesTexData(atlas);
3240
3241	// Register custom rectangle glyphs
3242	for (int i = 0; i < atlas->CustomRects.Size; i++)
3243	{
3244	const ImFontAtlasCustomRect* r = &atlas->CustomRects[i];
3245	if (r->Font == NULL || r->GlyphID == 0)
3246	continue;
3247
3248	// Will ignore ImFontConfig settings: GlyphMinAdvanceX, GlyphMinAdvanceY, GlyphExtraSpacing, PixelSnapH
3249	IM_ASSERT(r->Font->ContainerAtlas == atlas);
3250	ImVec2 uv0, uv1;
3251	atlas->CalcCustomRectUV(rect: r, out_uv_min: &uv0, out_uv_max: &uv1);
3252	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);
3253	}
3254
3255	// Build all fonts lookup tables
3256	for (ImFont* font : atlas->Fonts)
3257	if (font->DirtyLookupTables)
3258	font->BuildLookupTable();
3259
3260	atlas->TexReady = true;
3261	}
3262
3263	// Retrieve list of range (2 int per range, values are inclusive)
3264	const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
3265	{
3266	static const ImWchar ranges[] =
3267	{
3268	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3269	0,
3270	};
3271	return &ranges[0];
3272	}
3273
3274	const ImWchar* ImFontAtlas::GetGlyphRangesGreek()
3275	{
3276	static const ImWchar ranges[] =
3277	{
3278	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3279	0x0370, 0x03FF, // Greek and Coptic
3280	0,
3281	};
3282	return &ranges[0];
3283	}
3284
3285	const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
3286	{
3287	static const ImWchar ranges[] =
3288	{
3289	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3290	0x3131, 0x3163, // Korean alphabets
3291	0xAC00, 0xD7A3, // Korean characters
3292	0xFFFD, 0xFFFD, // Invalid
3293	0,
3294	};
3295	return &ranges[0];
3296	}
3297
3298	const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
3299	{
3300	static const ImWchar ranges[] =
3301	{
3302	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3303	0x2000, 0x206F, // General Punctuation
3304	0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3305	0x31F0, 0x31FF, // Katakana Phonetic Extensions
3306	0xFF00, 0xFFEF, // Half-width characters
3307	0xFFFD, 0xFFFD, // Invalid
3308	0x4e00, 0x9FAF, // CJK Ideograms
3309	0,
3310	};
3311	return &ranges[0];
3312	}
3313
3314	static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
3315	{
3316	for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
3317	{
3318	out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
3319	base_codepoint += accumulative_offsets[n];
3320	}
3321	out_ranges[0] = 0;
3322	}
3323
3324	//-------------------------------------------------------------------------
3325	// [SECTION] ImFontAtlas glyph ranges helpers
3326	//-------------------------------------------------------------------------
3327
3328	const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
3329	{
3330	// Store 2500 regularly used characters for Simplified Chinese.
3331	// 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
3332	// This table covers 97.97% of all characters used during the month in July, 1987.
3333	// You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3334	// (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3335	static const short accumulative_offsets_from_0x4E00[] =
3336	{
3337	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,
3338	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,
3339	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,
3340	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,
3341	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,
3342	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,
3343	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,
3344	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,
3345	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,
3346	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,
3347	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,
3348	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,
3349	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,
3350	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,
3351	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,
3352	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,
3353	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,
3354	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,
3355	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,
3356	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,
3357	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,
3358	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,
3359	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,
3360	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,
3361	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,
3362	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,
3363	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,
3364	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,
3365	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,
3366	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,
3367	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,
3368	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,
3369	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,
3370	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,
3371	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,
3372	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,
3373	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,
3374	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,
3375	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,
3376	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
3377	};
3378	static ImWchar base_ranges[] = // not zero-terminated
3379	{
3380	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3381	0x2000, 0x206F, // General Punctuation
3382	0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3383	0x31F0, 0x31FF, // Katakana Phonetic Extensions
3384	0xFF00, 0xFFEF, // Half-width characters
3385	0xFFFD, 0xFFFD // Invalid
3386	};
3387	static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
3388	if (!full_ranges[0])
3389	{
3390	memcpy(dest: full_ranges, src: base_ranges, n: sizeof(base_ranges));
3391	UnpackAccumulativeOffsetsIntoRanges(base_codepoint: 0x4E00, accumulative_offsets: accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), out_ranges: full_ranges + IM_ARRAYSIZE(base_ranges));
3392	}
3393	return &full_ranges[0];
3394	}
3395
3396	const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
3397	{
3398	// 2999 ideograms code points for Japanese
3399	// - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points
3400	// - 863 Jinmeiyo (meaning "for personal name") Kanji code points
3401	// - Sourced from official information provided by the government agencies of Japan:
3402	// - List of Joyo Kanji by the Agency for Cultural Affairs
3403	// - https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kijun/naikaku/kanji/
3404	// - List of Jinmeiyo Kanji by the Ministry of Justice
3405	// - http://www.moj.go.jp/MINJI/minji86.html
3406	// - Available under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0).
3407	// - https://creativecommons.org/licenses/by/4.0/legalcode
3408	// - You can generate this code by the script at:
3409	// - https://github.com/vaiorabbit/everyday_use_kanji
3410	// - References:
3411	// - List of Joyo Kanji
3412	// - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji
3413	// - List of Jinmeiyo Kanji
3414	// - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji
3415	// - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details.
3416	// You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3417	// (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3418	static const short accumulative_offsets_from_0x4E00[] =
3419	{
3420	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,
3421	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,
3422	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,
3423	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,
3424	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,
3425	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,
3426	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,
3427	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,
3428	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,
3429	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,
3430	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,
3431	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,
3432	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,
3433	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,
3434	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,
3435	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,
3436	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,
3437	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,
3438	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,
3439	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,
3440	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,
3441	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,
3442	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,
3443	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,
3444	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,
3445	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,
3446	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,
3447	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,
3448	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,
3449	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,
3450	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,
3451	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,
3452	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,
3453	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,
3454	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,
3455	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,
3456	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,
3457	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,
3458	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,
3459	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,
3460	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,
3461	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,
3462	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,
3463	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,
3464	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,
3465	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,
3466	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,
3467	3,2,1,1,1,1,2,1,1,
3468	};
3469	static ImWchar base_ranges[] = // not zero-terminated
3470	{
3471	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3472	0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3473	0x31F0, 0x31FF, // Katakana Phonetic Extensions
3474	0xFF00, 0xFFEF, // Half-width characters
3475	0xFFFD, 0xFFFD // Invalid
3476	};
3477	static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
3478	if (!full_ranges[0])
3479	{
3480	memcpy(dest: full_ranges, src: base_ranges, n: sizeof(base_ranges));
3481	UnpackAccumulativeOffsetsIntoRanges(base_codepoint: 0x4E00, accumulative_offsets: accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), out_ranges: full_ranges + IM_ARRAYSIZE(base_ranges));
3482	}
3483	return &full_ranges[0];
3484	}
3485
3486	const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
3487	{
3488	static const ImWchar ranges[] =
3489	{
3490	0x0020, 0x00FF, // Basic Latin + Latin Supplement
3491	0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
3492	0x2DE0, 0x2DFF, // Cyrillic Extended-A
3493	0xA640, 0xA69F, // Cyrillic Extended-B
3494	0,
3495	};
3496	return &ranges[0];
3497	}
3498
3499	const ImWchar* ImFontAtlas::GetGlyphRangesThai()
3500	{
3501	static const ImWchar ranges[] =
3502	{
3503	0x0020, 0x00FF, // Basic Latin
3504	0x2010, 0x205E, // Punctuations
3505	0x0E00, 0x0E7F, // Thai
3506	0,
3507	};
3508	return &ranges[0];
3509	}
3510
3511	const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese()
3512	{
3513	static const ImWchar ranges[] =
3514	{
3515	0x0020, 0x00FF, // Basic Latin
3516	0x0102, 0x0103,
3517	0x0110, 0x0111,
3518	0x0128, 0x0129,
3519	0x0168, 0x0169,
3520	0x01A0, 0x01A1,
3521	0x01AF, 0x01B0,
3522	0x1EA0, 0x1EF9,
3523	0,
3524	};
3525	return &ranges[0];
3526	}
3527
3528	//-----------------------------------------------------------------------------
3529	// [SECTION] ImFontGlyphRangesBuilder
3530	//-----------------------------------------------------------------------------
3531
3532	void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
3533	{
3534	while (text_end ? (text < text_end) : *text)
3535	{
3536	unsigned int c = 0;
3537	int c_len = ImTextCharFromUtf8(out_char: &c, in_text: text, in_text_end: text_end);
3538	text += c_len;
3539	if (c_len == 0)
3540	break;
3541	AddChar(c: (ImWchar)c);
3542	}
3543	}
3544
3545	void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
3546	{
3547	for (; ranges[0]; ranges += 2)
3548	for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560
3549	AddChar(c: (ImWchar)c);
3550	}
3551
3552	void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
3553	{
3554	const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
3555	for (int n = 0; n <= max_codepoint; n++)
3556	if (GetBit(n))
3557	{
3558	out_ranges->push_back(v: (ImWchar)n);
3559	while (n < max_codepoint && GetBit(n: n + 1))
3560	n++;
3561	out_ranges->push_back(v: (ImWchar)n);
3562	}
3563	out_ranges->push_back(v: 0);
3564	}
3565
3566	//-----------------------------------------------------------------------------
3567	// [SECTION] ImFont
3568	//-----------------------------------------------------------------------------
3569
3570	ImFont::ImFont()
3571	{
3572	FontSize = 0.0f;
3573	FallbackAdvanceX = 0.0f;
3574	FallbackChar = (ImWchar)-1;
3575	EllipsisChar = (ImWchar)-1;
3576	EllipsisWidth = EllipsisCharStep = 0.0f;
3577	EllipsisCharCount = 0;
3578	FallbackGlyph = NULL;
3579	ContainerAtlas = NULL;
3580	ConfigData = NULL;
3581	ConfigDataCount = 0;
3582	DirtyLookupTables = false;
3583	Scale = 1.0f;
3584	Ascent = Descent = 0.0f;
3585	MetricsTotalSurface = 0;
3586	memset(s: Used4kPagesMap, c: 0, n: sizeof(Used4kPagesMap));
3587	}
3588
3589	ImFont::~ImFont()
3590	{
3591	ClearOutputData();
3592	}
3593
3594	void ImFont::ClearOutputData()
3595	{
3596	FontSize = 0.0f;
3597	FallbackAdvanceX = 0.0f;
3598	Glyphs.clear();
3599	IndexAdvanceX.clear();
3600	IndexLookup.clear();
3601	FallbackGlyph = NULL;
3602	ContainerAtlas = NULL;
3603	DirtyLookupTables = true;
3604	Ascent = Descent = 0.0f;
3605	MetricsTotalSurface = 0;
3606	}
3607
3608	static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count)
3609	{
3610	for (int n = 0; n < candidate_chars_count; n++)
3611	if (font->FindGlyphNoFallback(c: candidate_chars[n]) != NULL)
3612	return candidate_chars[n];
3613	return (ImWchar)-1;
3614	}
3615
3616	void ImFont::BuildLookupTable()
3617	{
3618	int max_codepoint = 0;
3619	for (int i = 0; i != Glyphs.Size; i++)
3620	max_codepoint = ImMax(lhs: max_codepoint, rhs: (int)Glyphs[i].Codepoint);
3621
3622	// Build lookup table
3623	IM_ASSERT(Glyphs.Size > 0 && "Font has not loaded glyph!");
3624	IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
3625	IndexAdvanceX.clear();
3626	IndexLookup.clear();
3627	DirtyLookupTables = false;
3628	memset(s: Used4kPagesMap, c: 0, n: sizeof(Used4kPagesMap));
3629	GrowIndex(new_size: max_codepoint + 1);
3630	for (int i = 0; i < Glyphs.Size; i++)
3631	{
3632	int codepoint = (int)Glyphs[i].Codepoint;
3633	IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
3634	IndexLookup[codepoint] = (ImWchar)i;
3635
3636	// Mark 4K page as used
3637	const int page_n = codepoint / 4096;
3638	Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7);
3639	}
3640
3641	// Create a glyph to handle TAB
3642	// FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
3643	if (FindGlyph(c: (ImWchar)' '))
3644	{
3645	if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky)
3646	Glyphs.resize(new_size: Glyphs.Size + 1);
3647	ImFontGlyph& tab_glyph = Glyphs.back();
3648	tab_glyph = *FindGlyph(c: (ImWchar)' ');
3649	tab_glyph.Codepoint = '\t';
3650	tab_glyph.AdvanceX *= IM_TABSIZE;
3651	IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
3652	IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size - 1);
3653	}
3654
3655	// Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons)
3656	SetGlyphVisible(c: (ImWchar)' ', visible: false);
3657	SetGlyphVisible(c: (ImWchar)'\t', visible: false);
3658
3659	// Setup Fallback character
3660	const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' };
3661	FallbackGlyph = FindGlyphNoFallback(c: FallbackChar);
3662	if (FallbackGlyph == NULL)
3663	{
3664	FallbackChar = FindFirstExistingGlyph(font: this, candidate_chars: fallback_chars, IM_ARRAYSIZE(fallback_chars));
3665	FallbackGlyph = FindGlyphNoFallback(c: FallbackChar);
3666	if (FallbackGlyph == NULL)
3667	{
3668	FallbackGlyph = &Glyphs.back();
3669	FallbackChar = (ImWchar)FallbackGlyph->Codepoint;
3670	}
3671	}
3672	FallbackAdvanceX = FallbackGlyph->AdvanceX;
3673	for (int i = 0; i < max_codepoint + 1; i++)
3674	if (IndexAdvanceX[i] < 0.0f)
3675	IndexAdvanceX[i] = FallbackAdvanceX;
3676
3677	// Setup Ellipsis character. It is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
3678	// However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
3679	// FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots.
3680	const ImWchar ellipsis_chars[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
3681	const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E };
3682	if (EllipsisChar == (ImWchar)-1)
3683	EllipsisChar = FindFirstExistingGlyph(font: this, candidate_chars: ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars));
3684	const ImWchar dot_char = FindFirstExistingGlyph(font: this, candidate_chars: dots_chars, IM_ARRAYSIZE(dots_chars));
3685	if (EllipsisChar != (ImWchar)-1)
3686	{
3687	EllipsisCharCount = 1;
3688	EllipsisWidth = EllipsisCharStep = FindGlyph(c: EllipsisChar)->X1;
3689	}
3690	else if (dot_char != (ImWchar)-1)
3691	{
3692	const ImFontGlyph* glyph = FindGlyph(c: dot_char);
3693	EllipsisChar = dot_char;
3694	EllipsisCharCount = 3;
3695	EllipsisCharStep = (glyph->X1 - glyph->X0) + 1.0f;
3696	EllipsisWidth = EllipsisCharStep * 3.0f - 1.0f;
3697	}
3698	}
3699
3700	// API is designed this way to avoid exposing the 4K page size
3701	// e.g. use with IsGlyphRangeUnused(0, 255)
3702	bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last)
3703	{
3704	unsigned int page_begin = (c_begin / 4096);
3705	unsigned int page_last = (c_last / 4096);
3706	for (unsigned int page_n = page_begin; page_n <= page_last; page_n++)
3707	if ((page_n >> 3) < sizeof(Used4kPagesMap))
3708	if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7)))
3709	return false;
3710	return true;
3711	}
3712
3713	void ImFont::SetGlyphVisible(ImWchar c, bool visible)
3714	{
3715	if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph(c: (ImWchar)c))
3716	glyph->Visible = visible ? 1 : 0;
3717	}
3718
3719	void ImFont::GrowIndex(int new_size)
3720	{
3721	IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
3722	if (new_size <= IndexLookup.Size)
3723	return;
3724	IndexAdvanceX.resize(new_size, v: -1.0f);
3725	IndexLookup.resize(new_size, v: (ImWchar)-1);
3726	}
3727
3728	// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
3729	// 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).
3730	// 'cfg' is not necessarily == 'this->ConfigData' because multiple source fonts+configs can be used to build one target font.
3731	void 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)
3732	{
3733	if (cfg != NULL)
3734	{
3735	// Clamp & recenter if needed
3736	const float advance_x_original = advance_x;
3737	advance_x = ImClamp(v: advance_x, mn: cfg->GlyphMinAdvanceX, mx: cfg->GlyphMaxAdvanceX);
3738	if (advance_x != advance_x_original)
3739	{
3740	float char_off_x = cfg->PixelSnapH ? ImTrunc(f: (advance_x - advance_x_original) * 0.5f) : (advance_x - advance_x_original) * 0.5f;
3741	x0 += char_off_x;
3742	x1 += char_off_x;
3743	}
3744
3745	// Snap to pixel
3746	if (cfg->PixelSnapH)
3747	advance_x = IM_ROUND(advance_x);
3748
3749	// Bake spacing
3750	advance_x += cfg->GlyphExtraSpacing.x;
3751	}
3752
3753	Glyphs.resize(new_size: Glyphs.Size + 1);
3754	ImFontGlyph& glyph = Glyphs.back();
3755	glyph.Codepoint = (unsigned int)codepoint;
3756	glyph.Visible = (x0 != x1) && (y0 != y1);
3757	glyph.Colored = false;
3758	glyph.X0 = x0;
3759	glyph.Y0 = y0;
3760	glyph.X1 = x1;
3761	glyph.Y1 = y1;
3762	glyph.U0 = u0;
3763	glyph.V0 = v0;
3764	glyph.U1 = u1;
3765	glyph.V1 = v1;
3766	glyph.AdvanceX = advance_x;
3767
3768	// Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
3769	// We use (U1-U0)*TexWidth instead of X1-X0 to account for oversampling.
3770	float pad = ContainerAtlas->TexGlyphPadding + 0.99f;
3771	DirtyLookupTables = true;
3772	MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + pad) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + pad);
3773	}
3774
3775	void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
3776	{
3777	IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
3778	unsigned int index_size = (unsigned int)IndexLookup.Size;
3779
3780	if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
3781	return;
3782	if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
3783	return;
3784
3785	GrowIndex(new_size: dst + 1);
3786	IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
3787	IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
3788	}
3789
3790	const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
3791	{
3792	if (c >= (size_t)IndexLookup.Size)
3793	return FallbackGlyph;
3794	const ImWchar i = IndexLookup.Data[c];
3795	if (i == (ImWchar)-1)
3796	return FallbackGlyph;
3797	return &Glyphs.Data[i];
3798	}
3799
3800	const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
3801	{
3802	if (c >= (size_t)IndexLookup.Size)
3803	return NULL;
3804	const ImWchar i = IndexLookup.Data[c];
3805	if (i == (ImWchar)-1)
3806	return NULL;
3807	return &Glyphs.Data[i];
3808	}
3809
3810	// Wrapping skips upcoming blanks
3811	static inline const char* CalcWordWrapNextLineStartA(const char* text, const char* text_end)
3812	{
3813	while (text < text_end && ImCharIsBlankA(c: *text))
3814	text++;
3815	if (*text == '\n')
3816	text++;
3817	return text;
3818	}
3819
3820	// Simple word-wrapping for English, not full-featured. Please submit failing cases!
3821	// This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end.
3822	// 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.)
3823	const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
3824	{
3825	// For references, possible wrap point marked with ^
3826	// "aaa bbb, ccc,ddd. eee fff. ggg!"
3827	// ^ ^ ^ ^ ^__ ^ ^
3828
3829	// List of hardcoded separators: .,;!?'"
3830
3831	// Skip extra blanks after a line returns (that includes not counting them in width computation)
3832	// e.g. "Hello world" --> "Hello" "World"
3833
3834	// Cut words that cannot possibly fit within one line.
3835	// e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
3836	float line_width = 0.0f;
3837	float word_width = 0.0f;
3838	float blank_width = 0.0f;
3839	wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
3840
3841	const char* word_end = text;
3842	const char* prev_word_end = NULL;
3843	bool inside_word = true;
3844
3845	const char* s = text;
3846	IM_ASSERT(text_end != NULL);
3847	while (s < text_end)
3848	{
3849	unsigned int c = (unsigned int)*s;
3850	const char* next_s;
3851	if (c < 0x80)
3852	next_s = s + 1;
3853	else
3854	next_s = s + ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
3855
3856	if (c < 32)
3857	{
3858	if (c == '\n')
3859	{
3860	line_width = word_width = blank_width = 0.0f;
3861	inside_word = true;
3862	s = next_s;
3863	continue;
3864	}
3865	if (c == '\r')
3866	{
3867	s = next_s;
3868	continue;
3869	}
3870	}
3871
3872	const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
3873	if (ImCharIsBlankW(c))
3874	{
3875	if (inside_word)
3876	{
3877	line_width += blank_width;
3878	blank_width = 0.0f;
3879	word_end = s;
3880	}
3881	blank_width += char_width;
3882	inside_word = false;
3883	}
3884	else
3885	{
3886	word_width += char_width;
3887	if (inside_word)
3888	{
3889	word_end = next_s;
3890	}
3891	else
3892	{
3893	prev_word_end = word_end;
3894	line_width += word_width + blank_width;
3895	word_width = blank_width = 0.0f;
3896	}
3897
3898	// Allow wrapping after punctuation.
3899	inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"');
3900	}
3901
3902	// We ignore blank width at the end of the line (they can be skipped)
3903	if (line_width + word_width > wrap_width)
3904	{
3905	// Words that cannot possibly fit within an entire line will be cut anywhere.
3906	if (word_width < wrap_width)
3907	s = prev_word_end ? prev_word_end : word_end;
3908	break;
3909	}
3910
3911	s = next_s;
3912	}
3913
3914	// Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
3915	// +1 may not be a character start point in UTF-8 but it's ok because caller loops use (text >= word_wrap_eol).
3916	if (s == text && text < text_end)
3917	return s + 1;
3918	return s;
3919	}
3920
3921	ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
3922	{
3923	if (!text_end)
3924	text_end = text_begin + strlen(s: text_begin); // FIXME-OPT: Need to avoid this.
3925
3926	const float line_height = size;
3927	const float scale = size / FontSize;
3928
3929	ImVec2 text_size = ImVec2(0, 0);
3930	float line_width = 0.0f;
3931
3932	const bool word_wrap_enabled = (wrap_width > 0.0f);
3933	const char* word_wrap_eol = NULL;
3934
3935	const char* s = text_begin;
3936	while (s < text_end)
3937	{
3938	if (word_wrap_enabled)
3939	{
3940	// 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.
3941	if (!word_wrap_eol)
3942	word_wrap_eol = CalcWordWrapPositionA(scale, text: s, text_end, wrap_width: wrap_width - line_width);
3943
3944	if (s >= word_wrap_eol)
3945	{
3946	if (text_size.x < line_width)
3947	text_size.x = line_width;
3948	text_size.y += line_height;
3949	line_width = 0.0f;
3950	word_wrap_eol = NULL;
3951	s = CalcWordWrapNextLineStartA(text: s, text_end); // Wrapping skips upcoming blanks
3952	continue;
3953	}
3954	}
3955
3956	// Decode and advance source
3957	const char* prev_s = s;
3958	unsigned int c = (unsigned int)*s;
3959	if (c < 0x80)
3960	s += 1;
3961	else
3962	s += ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
3963
3964	if (c < 32)
3965	{
3966	if (c == '\n')
3967	{
3968	text_size.x = ImMax(lhs: text_size.x, rhs: line_width);
3969	text_size.y += line_height;
3970	line_width = 0.0f;
3971	continue;
3972	}
3973	if (c == '\r')
3974	continue;
3975	}
3976
3977	const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
3978	if (line_width + char_width >= max_width)
3979	{
3980	s = prev_s;
3981	break;
3982	}
3983
3984	line_width += char_width;
3985	}
3986
3987	if (text_size.x < line_width)
3988	text_size.x = line_width;
3989
3990	if (line_width > 0 || text_size.y == 0.0f)
3991	text_size.y += line_height;
3992
3993	if (remaining)
3994	*remaining = s;
3995
3996	return text_size;
3997	}
3998
3999	// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4000	void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c) const
4001	{
4002	const ImFontGlyph* glyph = FindGlyph(c);
4003	if (!glyph || !glyph->Visible)
4004	return;
4005	if (glyph->Colored)
4006	col |= ~IM_COL32_A_MASK;
4007	float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
4008	float x = IM_TRUNC(pos.x);
4009	float y = IM_TRUNC(pos.y);
4010	draw_list->PrimReserve(idx_count: 6, vtx_count: 4);
4011	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);
4012	}
4013
4014	// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4015	void 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) const
4016	{
4017	if (!text_end)
4018	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.
4019
4020	// Align to be pixel perfect
4021	float x = IM_TRUNC(pos.x);
4022	float y = IM_TRUNC(pos.y);
4023	if (y > clip_rect.w)
4024	return;
4025
4026	const float start_x = x;
4027	const float scale = size / FontSize;
4028	const float line_height = FontSize * scale;
4029	const bool word_wrap_enabled = (wrap_width > 0.0f);
4030
4031	// Fast-forward to first visible line
4032	const char* s = text_begin;
4033	if (y + line_height < clip_rect.y)
4034	while (y + line_height < clip_rect.y && s < text_end)
4035	{
4036	const char* line_end = (const char*)memchr(s: s, c: '\n', n: text_end - s);
4037	if (word_wrap_enabled)
4038	{
4039	// FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPositionA().
4040	// If the specs for CalcWordWrapPositionA() were reworked to optionally return on \n we could combine both.
4041	// However it is still better than nothing performing the fast-forward!
4042	s = CalcWordWrapPositionA(scale, text: s, text_end: line_end ? line_end : text_end, wrap_width);
4043	s = CalcWordWrapNextLineStartA(text: s, text_end);
4044	}
4045	else
4046	{
4047	s = line_end ? line_end + 1 : text_end;
4048	}
4049	y += line_height;
4050	}
4051
4052	// For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
4053	// 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)
4054	if (text_end - s > 10000 && !word_wrap_enabled)
4055	{
4056	const char* s_end = s;
4057	float y_end = y;
4058	while (y_end < clip_rect.w && s_end < text_end)
4059	{
4060	s_end = (const char*)memchr(s: s_end, c: '\n', n: text_end - s_end);
4061	s_end = s_end ? s_end + 1 : text_end;
4062	y_end += line_height;
4063	}
4064	text_end = s_end;
4065	}
4066	if (s == text_end)
4067	return;
4068
4069	// Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
4070	const int vtx_count_max = (int)(text_end - s) * 4;
4071	const int idx_count_max = (int)(text_end - s) * 6;
4072	const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
4073	draw_list->PrimReserve(idx_count: idx_count_max, vtx_count: vtx_count_max);
4074	ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
4075	ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
4076	unsigned int vtx_index = draw_list->_VtxCurrentIdx;
4077
4078	const ImU32 col_untinted = col | ~IM_COL32_A_MASK;
4079	const char* word_wrap_eol = NULL;
4080
4081	while (s < text_end)
4082	{
4083	if (word_wrap_enabled)
4084	{
4085	// 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.
4086	if (!word_wrap_eol)
4087	word_wrap_eol = CalcWordWrapPositionA(scale, text: s, text_end, wrap_width: wrap_width - (x - start_x));
4088
4089	if (s >= word_wrap_eol)
4090	{
4091	x = start_x;
4092	y += line_height;
4093	if (y > clip_rect.w)
4094	break; // break out of main loop
4095	word_wrap_eol = NULL;
4096	s = CalcWordWrapNextLineStartA(text: s, text_end); // Wrapping skips upcoming blanks
4097	continue;
4098	}
4099	}
4100
4101	// Decode and advance source
4102	unsigned int c = (unsigned int)*s;
4103	if (c < 0x80)
4104	s += 1;
4105	else
4106	s += ImTextCharFromUtf8(out_char: &c, in_text: s, in_text_end: text_end);
4107
4108	if (c < 32)
4109	{
4110	if (c == '\n')
4111	{
4112	x = start_x;
4113	y += line_height;
4114	if (y > clip_rect.w)
4115	break; // break out of main loop
4116	continue;
4117	}
4118	if (c == '\r')
4119	continue;
4120	}
4121
4122	const ImFontGlyph* glyph = FindGlyph(c: (ImWchar)c);
4123	if (glyph == NULL)
4124	continue;
4125
4126	float char_width = glyph->AdvanceX * scale;
4127	if (glyph->Visible)
4128	{
4129	// 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
4130	float x1 = x + glyph->X0 * scale;
4131	float x2 = x + glyph->X1 * scale;
4132	float y1 = y + glyph->Y0 * scale;
4133	float y2 = y + glyph->Y1 * scale;
4134	if (x1 <= clip_rect.z && x2 >= clip_rect.x)
4135	{
4136	// Render a character
4137	float u1 = glyph->U0;
4138	float v1 = glyph->V0;
4139	float u2 = glyph->U1;
4140	float v2 = glyph->V1;
4141
4142	// CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
4143	if (cpu_fine_clip)
4144	{
4145	if (x1 < clip_rect.x)
4146	{
4147	u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
4148	x1 = clip_rect.x;
4149	}
4150	if (y1 < clip_rect.y)
4151	{
4152	v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
4153	y1 = clip_rect.y;
4154	}
4155	if (x2 > clip_rect.z)
4156	{
4157	u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
4158	x2 = clip_rect.z;
4159	}
4160	if (y2 > clip_rect.w)
4161	{
4162	v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
4163	y2 = clip_rect.w;
4164	}
4165	if (y1 >= y2)
4166	{
4167	x += char_width;
4168	continue;
4169	}
4170	}
4171
4172	// Support for untinted glyphs
4173	ImU32 glyph_col = glyph->Colored ? col_untinted : col;
4174
4175	// We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
4176	{
4177	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;
4178	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;
4179	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;
4180	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;
4181	idx_write[0] = (ImDrawIdx)(vtx_index); idx_write[1] = (ImDrawIdx)(vtx_index + 1); idx_write[2] = (ImDrawIdx)(vtx_index + 2);
4182	idx_write[3] = (ImDrawIdx)(vtx_index); idx_write[4] = (ImDrawIdx)(vtx_index + 2); idx_write[5] = (ImDrawIdx)(vtx_index + 3);
4183	vtx_write += 4;
4184	vtx_index += 4;
4185	idx_write += 6;
4186	}
4187	}
4188	}
4189	x += char_width;
4190	}
4191
4192	// Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action.
4193	draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink()
4194	draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data);
4195	draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
4196	draw_list->_VtxWritePtr = vtx_write;
4197	draw_list->_IdxWritePtr = idx_write;
4198	draw_list->_VtxCurrentIdx = vtx_index;
4199	}
4200
4201	//-----------------------------------------------------------------------------
4202	// [SECTION] ImGui Internal Render Helpers
4203	//-----------------------------------------------------------------------------
4204	// Vaguely redesigned to stop accessing ImGui global state:
4205	// - RenderArrow()
4206	// - RenderBullet()
4207	// - RenderCheckMark()
4208	// - RenderArrowPointingAt()
4209	// - RenderRectFilledRangeH()
4210	// - RenderRectFilledWithHole()
4211	//-----------------------------------------------------------------------------
4212	// Function in need of a redesign (legacy mess)
4213	// - RenderColorRectWithAlphaCheckerboard()
4214	//-----------------------------------------------------------------------------
4215
4216	// 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
4217	void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale)
4218	{
4219	const float h = draw_list->_Data->FontSize * 1.00f;
4220	float r = h * 0.40f * scale;
4221	ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale);
4222
4223	ImVec2 a, b, c;
4224	switch (dir)
4225	{
4226	case ImGuiDir_Up:
4227	case ImGuiDir_Down:
4228	if (dir == ImGuiDir_Up) r = -r;
4229	a = ImVec2(+0.000f, +0.750f) * r;
4230	b = ImVec2(-0.866f, -0.750f) * r;
4231	c = ImVec2(+0.866f, -0.750f) * r;
4232	break;
4233	case ImGuiDir_Left:
4234	case ImGuiDir_Right:
4235	if (dir == ImGuiDir_Left) r = -r;
4236	a = ImVec2(+0.750f, +0.000f) * r;
4237	b = ImVec2(-0.750f, +0.866f) * r;
4238	c = ImVec2(-0.750f, -0.866f) * r;
4239	break;
4240	case ImGuiDir_None:
4241	case ImGuiDir_COUNT:
4242	IM_ASSERT(0);
4243	break;
4244	}
4245	draw_list->AddTriangleFilled(p1: center + a, p2: center + b, p3: center + c, col);
4246	}
4247
4248	void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col)
4249	{
4250	// FIXME-OPT: This should be baked in font.
4251	draw_list->AddCircleFilled(center: pos, radius: draw_list->_Data->FontSize * 0.20f, col, num_segments: 8);
4252	}
4253
4254	void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz)
4255	{
4256	float thickness = ImMax(lhs: sz / 5.0f, rhs: 1.0f);
4257	sz -= thickness * 0.5f;
4258	pos += ImVec2(thickness * 0.25f, thickness * 0.25f);
4259
4260	float third = sz / 3.0f;
4261	float bx = pos.x + third;
4262	float by = pos.y + sz - third * 0.5f;
4263	draw_list->PathLineTo(pos: ImVec2(bx - third, by - third));
4264	draw_list->PathLineTo(pos: ImVec2(bx, by));
4265	draw_list->PathLineTo(pos: ImVec2(bx + third * 2.0f, by - third * 2.0f));
4266	draw_list->PathStroke(col, flags: 0, thickness);
4267	}
4268
4269	// 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.
4270	void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
4271	{
4272	switch (direction)
4273	{
4274	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;
4275	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;
4276	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;
4277	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;
4278	case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
4279	}
4280	}
4281
4282	static inline float ImAcos01(float x)
4283	{
4284	if (x <= 0.0f) return IM_PI * 0.5f;
4285	if (x >= 1.0f) return 0.0f;
4286	return ImAcos(x);
4287	//return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
4288	}
4289
4290	// FIXME: Cleanup and move code to ImDrawList.
4291	void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
4292	{
4293	if (x_end_norm == x_start_norm)
4294	return;
4295	if (x_start_norm > x_end_norm)
4296	ImSwap(a&: x_start_norm, b&: x_end_norm);
4297
4298	ImVec2 p0 = ImVec2(ImLerp(a: rect.Min.x, b: rect.Max.x, t: x_start_norm), rect.Min.y);
4299	ImVec2 p1 = ImVec2(ImLerp(a: rect.Min.x, b: rect.Max.x, t: x_end_norm), rect.Max.y);
4300	if (rounding == 0.0f)
4301	{
4302	draw_list->AddRectFilled(p_min: p0, p_max: p1, col, rounding: 0.0f);
4303	return;
4304	}
4305
4306	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);
4307	const float inv_rounding = 1.0f / rounding;
4308	const float arc0_b = ImAcos01(x: 1.0f - (p0.x - rect.Min.x) * inv_rounding);
4309	const float arc0_e = ImAcos01(x: 1.0f - (p1.x - rect.Min.x) * inv_rounding);
4310	const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
4311	const float x0 = ImMax(lhs: p0.x, rhs: rect.Min.x + rounding);
4312	if (arc0_b == arc0_e)
4313	{
4314	draw_list->PathLineTo(pos: ImVec2(x0, p1.y));
4315	draw_list->PathLineTo(pos: ImVec2(x0, p0.y));
4316	}
4317	else if (arc0_b == 0.0f && arc0_e == half_pi)
4318	{
4319	draw_list->PathArcToFast(center: ImVec2(x0, p1.y - rounding), radius: rounding, a_min_of_12: 3, a_max_of_12: 6); // BL
4320	draw_list->PathArcToFast(center: ImVec2(x0, p0.y + rounding), radius: rounding, a_min_of_12: 6, a_max_of_12: 9); // TR
4321	}
4322	else
4323	{
4324	draw_list->PathArcTo(center: ImVec2(x0, p1.y - rounding), radius: rounding, IM_PI - arc0_e, IM_PI - arc0_b); // BL
4325	draw_list->PathArcTo(center: ImVec2(x0, p0.y + rounding), radius: rounding, IM_PI + arc0_b, IM_PI + arc0_e); // TR
4326	}
4327	if (p1.x > rect.Min.x + rounding)
4328	{
4329	const float arc1_b = ImAcos01(x: 1.0f - (rect.Max.x - p1.x) * inv_rounding);
4330	const float arc1_e = ImAcos01(x: 1.0f - (rect.Max.x - p0.x) * inv_rounding);
4331	const float x1 = ImMin(lhs: p1.x, rhs: rect.Max.x - rounding);
4332	if (arc1_b == arc1_e)
4333	{
4334	draw_list->PathLineTo(pos: ImVec2(x1, p0.y));
4335	draw_list->PathLineTo(pos: ImVec2(x1, p1.y));
4336	}
4337	else if (arc1_b == 0.0f && arc1_e == half_pi)
4338	{
4339	draw_list->PathArcToFast(center: ImVec2(x1, p0.y + rounding), radius: rounding, a_min_of_12: 9, a_max_of_12: 12); // TR
4340	draw_list->PathArcToFast(center: ImVec2(x1, p1.y - rounding), radius: rounding, a_min_of_12: 0, a_max_of_12: 3); // BR
4341	}
4342	else
4343	{
4344	draw_list->PathArcTo(center: ImVec2(x1, p0.y + rounding), radius: rounding, a_min: -arc1_e, a_max: -arc1_b); // TR
4345	draw_list->PathArcTo(center: ImVec2(x1, p1.y - rounding), radius: rounding, a_min: +arc1_b, a_max: +arc1_e); // BR
4346	}
4347	}
4348	draw_list->PathFillConvex(col);
4349	}
4350
4351	void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, const ImRect& outer, const ImRect& inner, ImU32 col, float rounding)
4352	{
4353	const bool fill_L = (inner.Min.x > outer.Min.x);
4354	const bool fill_R = (inner.Max.x < outer.Max.x);
4355	const bool fill_U = (inner.Min.y > outer.Min.y);
4356	const bool fill_D = (inner.Max.y < outer.Max.y);
4357	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));
4358	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));
4359	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));
4360	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));
4361	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);
4362	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);
4363	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);
4364	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);
4365	}
4366
4367	// Helper for ColorPicker4()
4368	// 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.
4369	// 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.
4370	// FIXME: uses ImGui::GetColorU32
4371	void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags)
4372	{
4373	if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
4374	flags = ImDrawFlags_RoundCornersDefault_;
4375	if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF)
4376	{
4377	ImU32 col_bg1 = GetColorU32(col: ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col_b: col));
4378	ImU32 col_bg2 = GetColorU32(col: ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col_b: col));
4379	draw_list->AddRectFilled(p_min, p_max, col: col_bg1, rounding, flags);
4380
4381	int yi = 0;
4382	for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++)
4383	{
4384	float y1 = ImClamp(v: y, mn: p_min.y, mx: p_max.y), y2 = ImMin(lhs: y + grid_step, rhs: p_max.y);
4385	if (y2 <= y1)
4386	continue;
4387	for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f)
4388	{
4389	float x1 = ImClamp(v: x, mn: p_min.x, mx: p_max.x), x2 = ImMin(lhs: x + grid_step, rhs: p_max.x);
4390	if (x2 <= x1)
4391	continue;
4392	ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone;
4393	if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; }
4394	if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; }
4395
4396	// Combine flags
4397	cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags);
4398	draw_list->AddRectFilled(p_min: ImVec2(x1, y1), p_max: ImVec2(x2, y2), col: col_bg2, rounding, flags: cell_flags);
4399	}
4400	}
4401	}
4402	else
4403	{
4404	draw_list->AddRectFilled(p_min, p_max, col, rounding, flags);
4405	}
4406	}
4407
4408	//-----------------------------------------------------------------------------
4409	// [SECTION] Decompression code
4410	//-----------------------------------------------------------------------------
4411	// Compressed with stb_compress() then converted to a C array and encoded as base85.
4412	// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
4413	// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
4414	// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
4415	//-----------------------------------------------------------------------------
4416
4417	static unsigned int stb_decompress_length(const unsigned char *input)
4418	{
4419	return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
4420	}
4421
4422	static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
4423	static const unsigned char *stb__barrier_in_b;
4424	static unsigned char *stb__dout;
4425	static void stb__match(const unsigned char *data, unsigned int length)
4426	{
4427	// INVERSE of memmove... write each byte before copying the next...
4428	IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4429	if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4430	if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
4431	while (length--) *stb__dout++ = *data++;
4432	}
4433
4434	static void stb__lit(const unsigned char *data, unsigned int length)
4435	{
4436	IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4437	if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4438	if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
4439	memcpy(dest: stb__dout, src: data, n: length);
4440	stb__dout += length;
4441	}
4442
4443	#define stb__in2(x) ((i[x] << 8) + i[(x)+1])
4444	#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
4445	#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
4446
4447	static const unsigned char *stb_decompress_token(const unsigned char *i)
4448	{
4449	if (*i >= 0x20) { // use fewer if's for cases that expand small
4450	if (*i >= 0x80) stb__match(data: stb__dout-i[1]-1, length: i[0] - 0x80 + 1), i += 2;
4451	else if (*i >= 0x40) stb__match(data: stb__dout-(stb__in2(0) - 0x4000 + 1), length: i[2]+1), i += 3;
4452	else /* *i >= 0x20 */ stb__lit(data: i+1, length: i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
4453	} else { // more ifs for cases that expand large, since overhead is amortized
4454	if (*i >= 0x18) stb__match(data: stb__dout-(stb__in3(0) - 0x180000 + 1), length: i[3]+1), i += 4;
4455	else if (*i >= 0x10) stb__match(data: stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
4456	else if (*i >= 0x08) stb__lit(data: i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
4457	else if (*i == 0x07) stb__lit(data: i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
4458	else if (*i == 0x06) stb__match(data: stb__dout-(stb__in3(1)+1), length: i[4]+1), i += 5;
4459	else if (*i == 0x04) stb__match(data: stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
4460	}
4461	return i;
4462	}
4463
4464	static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
4465	{
4466	const unsigned long ADLER_MOD = 65521;
4467	unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
4468	unsigned long blocklen = buflen % 5552;
4469
4470	unsigned long i;
4471	while (buflen) {
4472	for (i=0; i + 7 < blocklen; i += 8) {
4473	s1 += buffer[0], s2 += s1;
4474	s1 += buffer[1], s2 += s1;
4475	s1 += buffer[2], s2 += s1;
4476	s1 += buffer[3], s2 += s1;
4477	s1 += buffer[4], s2 += s1;
4478	s1 += buffer[5], s2 += s1;
4479	s1 += buffer[6], s2 += s1;
4480	s1 += buffer[7], s2 += s1;
4481
4482	buffer += 8;
4483	}
4484
4485	for (; i < blocklen; ++i)
4486	s1 += *buffer++, s2 += s1;
4487
4488	s1 %= ADLER_MOD, s2 %= ADLER_MOD;
4489	buflen -= blocklen;
4490	blocklen = 5552;
4491	}
4492	return (unsigned int)(s2 << 16) + (unsigned int)s1;
4493	}
4494
4495	static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
4496	{
4497	if (stb__in4(0) != 0x57bC0000) return 0;
4498	if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
4499	const unsigned int olen = stb_decompress_length(input: i);
4500	stb__barrier_in_b = i;
4501	stb__barrier_out_e = output + olen;
4502	stb__barrier_out_b = output;
4503	i += 16;
4504
4505	stb__dout = output;
4506	for (;;) {
4507	const unsigned char *old_i = i;
4508	i = stb_decompress_token(i);
4509	if (i == old_i) {
4510	if (*i == 0x05 && i[1] == 0xfa) {
4511	IM_ASSERT(stb__dout == output + olen);
4512	if (stb__dout != output + olen) return 0;
4513	if (stb_adler32(adler32: 1, buffer: output, buflen: olen) != (unsigned int) stb__in4(2))
4514	return 0;
4515	return olen;
4516	} else {
4517	IM_ASSERT(0); /* NOTREACHED */
4518	return 0;
4519	}
4520	}
4521	IM_ASSERT(stb__dout <= output + olen);
4522	if (stb__dout > output + olen)
4523	return 0;
4524	}
4525	}
4526
4527	//-----------------------------------------------------------------------------
4528	// [SECTION] Default font data (ProggyClean.ttf)
4529	//-----------------------------------------------------------------------------
4530	// ProggyClean.ttf
4531	// Copyright (c) 2004, 2005 Tristan Grimmer
4532	// MIT license (see License.txt in http://www.proggyfonts.net/index.php?menu=download)
4533	// Download and more information at http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php
4534	//-----------------------------------------------------------------------------
4535	// File: 'ProggyClean.ttf' (41208 bytes)
4536	// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
4537	// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
4538	//-----------------------------------------------------------------------------
4539	static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] =
4540	"7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
4541	"2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#"
4542	"`8ND>Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1<q-UE31#^-V'8IRUo7Qf./L>=Ke$$'5F%)]0^#0X@U.a<r:QLtFsLcL6##lOj)#.Y5<-R&KgLwqJfLgN&;Q?gI^#DY2uL"
4543	"i@^rMl9t=cWq6##weg>$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;-<nLENhvx>-VsM.M0rJfLH2eTM`*oJMHRC`N"
4544	"kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`&#0j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N"
4545	"*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cX&#2m#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)"
4546	"tm+/Us9pG)XPu`<0s-)WTt(gCRxIg(%6sfh=ktMKn3j)<6<b5Sk_/0(^]AaN#(p/L>&VZ>1i%h1S9u5o@YaaW$e+b<TWFn/Z:Oh(Cx2$lNEoN^e)#CFY@@I;BOQ*sRwZtZxRcU7uW6CX"
4547	"ow0i(?$Q[cjOd[P4d)]>ROPOpxTO7Stwi1::iB1q)C_=dV26J;2,]7op$]uQr@_V7$q^%lQwtuHY]=DX,n3L#0PHDO4f9>dC@O>HBuKPpP*E,N+b3L#lpR/MrTEH.IAQk.a>D[.e;mc."
4548	"x]Ip.PH^'/aqUO/$1WxLoW0[iLA<QT;5HKD+@qQ'NQ(3_PLhE48R.qAPSwQ0/WK?Z,[x?-J;jQTWA0X@KJ(_Y8N-:/M74:/-ZpKrUss?d#dZq]DAbkU*JqkL+nwX@@47`5>w=4h(9.`G"
4549	"CRUxHPeR`5Mjol(dUWxZa(>STrPkrJiWx`5U7F#.g*jrohGg`cg:lSTvEY/EV_7H4Q9[Z%cnv;JQYZ5q.l7Zeas:HOIZOB?G<Nald$qs]@]L<J7bR*>gv:[7MI2k).'2($5FNP&EQ(,)"
4550	"U]W]+fh18.vsai00);D3@4ku5P?DP8aJt+;qUM]=+b'8@;mViBKx0DE[-auGl8:PJ&Dj+M6OC]O^((##]`0i)drT;-7X`=-H3[igUnPG-NZlo.#k@h#=Ork$m>a>$-?Tm$UV(?#P6YY#"
4551	"'/###xe7q.73rI3*pP/$1>s9)W,JrM7SN]'/4C#v$U`0#V.[0>xQsH$fEmPMgY2u7Kh(G%siIfLSoS+MK2eTM$=5,M8p`A.;_R%#u[K#$x4AG8.kK/HSB==-'Ie/QTtG?-.*^N-4B/ZM"
4552	"_3YlQC7(p7q)&](`6_c)$/*JL(L-^(]$wIM`dPtOdGA,U3:w2M-0<q-]L_?^)1vw'.,MRsqVr.L;aN&#/EgJ)PBc[-f>+WomX2u7lqM2iEumMTcsF?-aT=Z-97UEnXglEn1K-bnEO`gu"
4553	"Ft(c%=;Am_Qs@jLooI&NX;]0#j4#F14;gl8-GQpgwhrq8'=l_f-b49'UOqkLu7-##oDY2L(te+Mch&gLYtJ,MEtJfLh'x'M=$CS-ZZ%P]8bZ>#S?YY#%Q&q'3^Fw&?D)UDNrocM3A76/"
4554	"/oL?#h7gl85[qW/NDOk%16ij;+:1a'iNIdb-ou8.P*w,v5#EI$TWS>Pot-R*H'-SEpA:g)f+O$%%`kA#G=8RMmG1&O`>to8bC]T&$,n.LoO>29sp3dt-52U%VM#q7'DHpg+#Z9%H[K<L"
4555	"%a2E-grWVM3@2=-k22tL]4$##6We'8UJCKE[d_=%wI;'6X-GsLX4j^SgJ$##R*w,vP3wK#iiW&#*h^D&R?jp7+/u&#(AP##XU8c$fSYW-J95_-Dp[g9wcO&#M-h1OcJlc-*vpw0xUX&#"
4556	"OQFKNX@QI'IoPp7nb,QU//MQ&ZDkKP)X<WSVL(68uVl&#c'[0#(s1X&xm$Y%B7*K:eDA323j998GXbA#pwMs-jgD$9QISB-A_(aN4xoFM^@C58D0+Q+q3n0#3U1InDjF682-SjMXJK)("
4557	"h$hxua_K]ul92%'BOU&#BRRh-slg8KDlr:%L71Ka:.A;%YULjDPmL<LYs8i#XwJOYaKPKc1h:'9Ke,g)b),78=I39B;xiY$bgGw-&.Zi9InXDuYa%G*f2Bq7mn9^#p1vv%#(Wi-;/Z5h"
4558	"o;#2:;%d&#x9v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
4559	"j%2n8)),?ILR5^.Ibn<-X-Mq7[a82Lq:F&#ce+S9wsCK*x`569E8ew'He]h:sI[2LM$[guka3ZRd6:t%IG:;$%YiJ:Nq=?eAw;/:nnDq0(CYcMpG)qLN4$##&J<j$UpK<Q4a1]MupW^-"
4560	"sj_$%[HK%'F####QRZJ::Y3EGl4'@%FkiAOg#p[##O`gukTfBHagL<LHw%q&OV0##F=6/:chIm0@eCP8X]:kFI%hl8hgO@RcBhS-@Qb$%+m=hPDLg*%K8ln(wcf3/'DW-$.lR?n[nCH-"
4561	"eXOONTJlh:.RYF%3'p6sq:UIMA945&^HFS87@$EP2iG<-lCO$%c`uKGD3rC$x0BL8aFn--`ke%#HMP'vh1/R&O_J9'um,.<tx[@%wsJk&bUT2`0uMv7gg#qp/ij.L56'hl;.s5CUrxjO"
4562	"M7-##.l+Au'A&O:-T72L]P`&=;ctp'XScX*rU.>-XTt,%OVU4)S1+R-#dg0/Nn?Ku1^0f$B*P:Rowwm-`0PKjYDDM'3]d39VZHEl4,.j']Pk-M.h^&:0FACm$maq-&sgw0t7/6(^xtk%"
4563	"LuH88Fj-ekm>GA#_>568x6(OFRl-IZp`&b,_P'$M<Jnq79VsJW/mWS*PUiq76;]/NM_>hLbxfc$mj`,O;&%W2m`Zh:/)Uetw:aJ%]K9h:TcF]u_-Sj9,VK3M.*'&0D[Ca]J9gp8,kAW]"
4564	"%(?A%R$f<->Zts'^kn=-^@c4%-pY6qI%J%1IGxfLU9CP8cbPlXv);C=b),<2mOvP8up,UVf3839acAWAW-W?#ao/^#%KYo8fRULNd2.>%m]UK:n%r$'sw]J;5pAoO_#2mO3n,'=H5(et"
4565	"Hg*`+RLgv>=4U8guD$I%D:W>-r5V*%j*W:Kvej.Lp$<M-SGZ':+Q_k+uvOSLiEo(<aD/K<CCc`'Lx>'?;++O'>()jLR-^u68PHm8ZFWe+ej8h:9r6L*0//c&iH&R8pRbA#Kjm%upV1g:"
4566	"a_#Ur7FuA#(tRh#.Y5K+@?3<-8m0$PEn;J:rh6?I6uG<-`wMU'ircp0LaE_OtlMb&1#6T.#FDKu#1Lw%u%+GM+X'e?YLfjM[VO0MbuFp7;>Q&#WIo)0@F%q7c#4XAXN-U&VB<HFF*qL("
4567	"$/V,;(kXZejWO`<[5?\?ewY(*9=%wDc;,u<'9t3W-(H1th3+G]ucQ]kLs7df($/*JL]@*t7Bu_G3_7mp7<iaQjO@.kLg;x3B0lqp7Hf,^Ze7-##@/c58Mo(3;knp0%)A7?-W+eI'o8)b<"
4568	"nKnw'Ho8C=Y>pqB>0ie&jhZ[?iLR@@_AvA-iQC(=ksRZRVp7`.=+NpBC%rh&3]R:8XDmE5^V8O(x<<aG/1N$#FX$0V5Y6x'aErI3I$7x%E`v<-BY,)%-?Psf*l?%C3.mM(=/M0:JxG'?"
4569	"7WhH%o'a<-80g0NBxoO(GH<dM]n.+%q@jH?f.UsJ2Ggs&4<-e47&Kl+f//9@`b+?.TeN_&B8Ss?v;^Trk;f#YvJkl&w$]>-+k?'(<S:68tq*WoDfZu';mM?8X[ma8W%*`-=;D.(nc7/;"
4570	")g:T1=^J$&BRV(-lTmNB6xqB[@0*o.erM*<SWF]u2=st-*(6v>^](H.aREZSi,#1:[IXaZFOm<-ui#qUq2$##Ri;u75OK#(RtaW-K-F`S+cF]uN`-KMQ%rP/Xri.LRcB##=YL3BgM/3M"
4571	"D?@f&1'BW-)Ju<L25gl8uhVm1hL$##*8###'A3/LkKW+(^rWX?5W_8g)a(m&K8P>#bmmWCMkk&#TR`C,5d>g)F;t,4:@_l8G/5h4vUd%&%950:VXD'QdWoY-F$BtUwmfe$YqL'8(PWX("
4572	"P?^@Po3$##`MSs?DWBZ/S>+4%>fX,VWv/w'KD`LP5IbH;rTV>n3cEK8U#bX]l-/V+^lj3;vlMb&[5YQ8#pekX9JP3XUC72L,,?+Ni&co7ApnO*5NK,((W-i:$,kp'UDAO(G0Sq7MVjJs"
4573	"bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTG&#1T5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
4574	"h4CB/5OvmA&,Q&QbUoi$a_%3M01H)4x7I^&KQVgtFnV+;[Pc>[m4k//,]1?#`VY[Jr*3&&slRfLiVZJ:]?=K3Sw=[$=uRB?3xk48@aeg<Z'<$#4H)6,>e0jT6'N#(q%.O=?2S]u*(m<-"
4575	"V8J'(1)G][68hW$5'q[GC&5j`TE?m'esFGNRM)j,ffZ?-qx8;->g4t*:CIP/[Qap7/9'#(1sao7w-.qNUdkJ)tCF&#B^;xGvn2r9FEPFFFcL@.iFNkTve$m%#QvQS8U@)2Z+3K:AKM5i"
4576	"sZ88+dKQ)W6>J%CL<KE>`.d*(B`-n8D9oK<Up]c$X$(,)M8Zt7/[rdkqTgl-0cuGMv'?>-XV1q['-5k'cAZ69e;D_?$ZPP&s^+7])$*$#@QYi9,5P&#9r+$%CE=68>K8r0=dSC%%(@p7"
4577	".m7jilQ02'0-VWAg<a/''3u.=4L$Y)6k/K:_[3=&jvL<L0C/2'v:^;-DIBW,B4E68:kZ;%?8(Q8BH=kO65BW?xSG&#@uU,DS*,?.+(o(#1vCS8#CHF>TlGW'b)Tq7VT9q^*^$$.:&N@@"
4578	"$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
4579	"hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
4580	"@-W$U%VEQ/,,>>#)D<h#`)h0:<Q6909ua+&VU%n2:cG3FJ-%@Bj-DgLr`Hw&HAKjKjseK</xKT*)B,N9X3]krc12t'pgTV(Lv-tL[xg_%=M_q7a^x?7Ubd>#%8cY#YZ?=,`Wdxu/ae&#"
4581	"w6)R89tI#6@s'(6Bf7a&?S=^ZI_kS&ai`&=tE72L_D,;^R)7[$s<Eh#c&)q.MXI%#v9ROa5FZO%sF7q7Nwb&#ptUJ:aqJe$Sl68%.D###EC><?-aF&#RNQv>o8lKN%5/$(vdfq7+ebA#"
4582	"u1p]ovUKW&Y%q]'>$1@-[xfn$7ZTp7mM,G,Ko7a&Gu%G[RMxJs[0MM%wci.LFDK)(<c`Q8N)jEIF*+?P2a8g%)$q]o2aH8C&<SibC/q,(e:v;-b#6[$NtDZ84Je2KNvB#$P5?tQ3nt(0"
4583	"d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoF&#4DoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
4584	"6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
4585	"b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
4586	":k$YUWsbn8ogh6rxZ2Z9]%nd+>V#*8U_72Lh+2Q8Cj0i:6hp&$C/:p(HK>T8Y[gHQ4`4)'$Ab(Nof%V'8hL&#<NEdtg(n'=S1A(Q1/I&4([%dM`,Iu'1:_hL>SfD07&6D<fp8dHM7/g+"
4587	"tlPN9J*rKaPct&?'uBCem^jn%9_K)<,C5K3s=5g&GmJb*[SYq7K;TRLGCsM-$$;S%:Y@r7AK0pprpL<Lrh,q7e/%KWK:50I^+m'vi`3?%Zp+<-d+$L-Sv:@.o19n$s0&39;kn;S%BSq*"
4588	"$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
4589	":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
4590	"7aQC[K8d-(v6GI$x:T<&'Gp5Uf>@M.*J:;$-rv29'M]8qMv-tLp,'886iaC=Hb*YJoKJ,(j%K=H`K.v9HggqBIiZu'QvBT.#=)0ukruV&.)3=(^1`o*Pj4<-<aN((^7('#Z0wK#5GX@7"
4591	"u][`*S^43933A4rl][`*O4CgLEl]v$1Q3AeF37dbXk,.)vj#x'd`;qgbQR%FW,2(?LO=s%Sc68%NP'##Aotl8x=BE#j1UD([3$M(]UI2LX3RpKN@;/#f'f/&_mt&F)XdF<9t4)Qa.*kT"
4592	"LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
4593	":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
4594	"_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
4595	"hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
4596	"^V'9;jY@;)br#q^YQpx:X#Te$Z^'=-=bGhLf:D6&bNwZ9-ZD#n^9HhLMr5G;']d&6'wYmTFmL<LD)F^%[tC'8;+9E#C$g%#5Y>q9wI>P(9mI[>kC-ekLC/R&CH+s'B;K-M6$EB%is00:"
4597	"+A4[7xks.LrNk0&E)wILYF@2L'0Nb$+pv<(2.768/FrY&h$^3i&@+G%JT'<-,v`3;_)I9M^AE]CN?Cl2AZg+%4iTpT3<n-&%H%b<FDj2M<hH=&Eh<2Len$b*aTX=-8QxN)k11IM1c^j%"
4598	"9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
4599	"CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
4600	"hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
4601	"8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
4602	"S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
4603	"0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
4604	"+fsd;l#SafT/f*W]0=O'$(Tb<[)*@e775R-:Yob%g*>l*:xP?Yb.5)%w_I?7uk5JC+FS(m#i'k.'a0i)9<7b'fs'59hq$*5Uhv##pi^8+hIEBF`nvo`;'l0.^S1<-wUK2/Coh58KKhLj"
4605	"M=SO*rfO`+qC`W-On.=AJ56>>i2@2LH6A:&5q`?9I3@@'04&p2/LVa*T-4<-i3;M9UvZd+N7>b*eIwg:CC)c<>nO&#<IGe;__.thjZl<%w(Wk2xmp4Q@I#I9,DF]u7-P=.-_:YJ]aS@V"
4606	"?6*C()dOp7:WL,b&3Rg/.cmM9&r^>$(>.Z-I&J(Q0Hd5Q%7Co-b`-c<N(6r@ip+AurK<m86QIth*#v;-OBqi+L7wDE-Ir8K['m+DDSLwK&/.?-V%U_%3:qKNu$_b*B-kp7NaD'QdWQPK"
4607	"Yq[@>P)hI;*_F]u`Rb[.j8_Q/<&>uu+VsH$sM9TA%?)(vmJ80),P7E>)tjD%2L=-t#fK[%`v=Q8<FfNkgg^oIbah*#8/Qt$F&:K*-(N/'+1vMB,u()-a.VUU*#[e%gAAO(S>WlA2);Sa"
4608	">gXm8YB`1d@K#n]76-a$U,mF<fX]idqd)<3,]J7JmW4`6]uks=4-72L(jEk+:bJ0M^q-8Dm_Z?0olP1C9Sa&H[d&c$ooQUj]Exd*3ZM@-WGW2%s',B-_M%>%Ul:#/'xoFM9QX-$.QN'>"
4609	"[%$Z$uF6pA6Ki2O5:8w*vP1<-1`[G,)-m#>0`P&#eb#.3i)rtB61(o'$?X3B</R90;eZ]%Ncq;-Tl]#F>2Qft^ae_5tKL9MUe9b*sLEQ95C&`=G?@Mj=wh*'3E>=-<)Gt*Iw)'QG:`@I"
4610	"wOf7&]1i'S01B+Ev/Nac#9S;=;YQpg_6U`*kVY39xK,[/6Aj7:'1Bm-_1EYfa1+o&o4hp7KN_Q(OlIo@S%;jVdn0'1<Vc52=u`3^o-n1'g4v58Hj&6_t7$##?M)c<$bgQ_'SY((-xkA#"
4611	"Y(,p'H9rIVY-b,'%bCPF7.J<Up^,(dU1VY*5#WkTU>h19w,WQhLI)3S#f$2(eb,jr*b;3Vw]*7NH%$c4Vs,eD9>XW8?N]o+(*pgC%/72LV-u<Hp,3@e^9UB1J+ak9-TN/mhKPg+AJYd$"
4612	"MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
4613	"i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
4614	"1*c-(aY168o<`JsSbk-,1N;$>0:OUas(3:8Z972LSfF8eb=c-;>SPw7.6hn3m`9^Xkn(r.qS[0;T%&Qc=+STRxX'q1BNk3&*eu2;&8q$&x>Q#Q7^Tf+6<(d%ZVmj2bDi%.3L2n+4W'$P"
4615	"iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
4616	"URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
4617	";u.T%fAr%4tJ8&><1=GHZ_+m9/#H1F^R#SC#*N=BA9(D?v[UiFY>>^8p,KKF.W]L29uLkLlu/+4T<XoIB&hx=T1PcDaB&;HH+-AFr?(m9HZV)FKS8JCw;SD=6[^/DZUL`EUDf]GGlG&>"
4618	"w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
4619	"d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4&#3^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
4620	"A1OY5EI0;6Ibgr6M$HS7Q<)58C5w,;WoA*#[%T*#`1g*#d=#+#hI5+#lUG+#pbY+#tnl+#x$),#&1;,#*=M,#.I`,#2Ur,#6b.-#;w[H#iQtA#m^0B#qjBB#uvTB##-hB#'9$C#+E6C#"
4621	"/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
4622	"m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
4623	"TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
4624	"GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
4625	"O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
4626
4627	static const char* GetDefaultCompressedFontDataTTFBase85()
4628	{
4629	return proggy_clean_ttf_compressed_data_base85;
4630	}
4631
4632	#endif // #ifndef IMGUI_DISABLE
4633