1/*
2 * Copyright 2022 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkColorType_DEFINED
9#define SkColorType_DEFINED
10
11#include "include/core/SkTypes.h"
12
13/** \enum SkColorType
14 Describes how pixel bits encode color. A pixel may be an alpha mask, a grayscale, RGB, or ARGB.
15
16 kN32_SkColorType selects the native 32-bit ARGB format for the current configuration. This can
17 lead to inconsistent results across platforms, so use with caution.
18*/
19enum SkColorType : int {
20 kUnknown_SkColorType, //!< uninitialized
21 kAlpha_8_SkColorType, //!< pixel with alpha in 8-bit byte
22 kRGB_565_SkColorType, //!< pixel with 5 bits red, 6 bits green, 5 bits blue, in 16-bit word
23 kARGB_4444_SkColorType, //!< pixel with 4 bits for alpha, red, green, blue; in 16-bit word
24 kRGBA_8888_SkColorType, //!< pixel with 8 bits for red, green, blue, alpha; in 32-bit word
25 kRGB_888x_SkColorType, //!< pixel with 8 bits each for red, green, blue; in 32-bit word
26 kBGRA_8888_SkColorType, //!< pixel with 8 bits for blue, green, red, alpha; in 32-bit word
27 kRGBA_1010102_SkColorType, //!< 10 bits for red, green, blue; 2 bits for alpha; in 32-bit word
28 kBGRA_1010102_SkColorType, //!< 10 bits for blue, green, red; 2 bits for alpha; in 32-bit word
29 kRGB_101010x_SkColorType, //!< pixel with 10 bits each for red, green, blue; in 32-bit word
30 kBGR_101010x_SkColorType, //!< pixel with 10 bits each for blue, green, red; in 32-bit word
31 kBGR_101010x_XR_SkColorType, //!< pixel with 10 bits each for blue, green, red; in 32-bit word, extended range
32 kGray_8_SkColorType, //!< pixel with grayscale level in 8-bit byte
33 kRGBA_F16Norm_SkColorType, //!< pixel with half floats in [0,1] for red, green, blue, alpha;
34 // in 64-bit word
35 kRGBA_F16_SkColorType, //!< pixel with half floats for red, green, blue, alpha;
36 // in 64-bit word
37 kRGBA_F32_SkColorType, //!< pixel using C float for red, green, blue, alpha; in 128-bit word
38
39 // The following 6 colortypes are just for reading from - not for rendering to
40 kR8G8_unorm_SkColorType, //!< pixel with a uint8_t for red and green
41
42 kA16_float_SkColorType, //!< pixel with a half float for alpha
43 kR16G16_float_SkColorType, //!< pixel with a half float for red and green
44
45 kA16_unorm_SkColorType, //!< pixel with a little endian uint16_t for alpha
46 kR16G16_unorm_SkColorType, //!< pixel with a little endian uint16_t for red and green
47 kR16G16B16A16_unorm_SkColorType, //!< pixel with a little endian uint16_t for red, green, blue
48 // and alpha
49
50 kSRGBA_8888_SkColorType,
51 kR8_unorm_SkColorType,
52
53 kLastEnum_SkColorType = kR8_unorm_SkColorType, //!< last valid value
54
55#if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
56 kN32_SkColorType = kBGRA_8888_SkColorType,//!< native 32-bit BGRA encoding
57
58#elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
59 kN32_SkColorType = kRGBA_8888_SkColorType,//!< native 32-bit RGBA encoding
60
61#else
62 #error "SK_*32_SHIFT values must correspond to BGRA or RGBA byte order"
63#endif
64};
65static constexpr int kSkColorTypeCnt = static_cast<int>(kLastEnum_SkColorType) + 1;
66
67#endif
68

source code of flutter_engine/third_party/skia/include/core/SkColorType.h