OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
(...skipping 13 matching lines...) Expand all Loading... |
24 */ | 24 */ |
25 | 25 |
26 #ifndef ColorSpace_h | 26 #ifndef ColorSpace_h |
27 #define ColorSpace_h | 27 #define ColorSpace_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "platform/graphics/Color.h" | 30 #include "platform/graphics/Color.h" |
31 #include "third_party/skia/include/core/SkRefCnt.h" | 31 #include "third_party/skia/include/core/SkRefCnt.h" |
32 | 32 |
33 class SkColorFilter; | 33 class SkColorFilter; |
| 34 class SkColorSpace; |
34 | 35 |
35 namespace blink { | 36 namespace blink { |
36 | 37 |
| 38 struct WebScreenInfo; |
| 39 |
37 enum ColorSpace { ColorSpaceDeviceRGB, ColorSpaceSRGB, ColorSpaceLinearRGB }; | 40 enum ColorSpace { ColorSpaceDeviceRGB, ColorSpaceSRGB, ColorSpaceLinearRGB }; |
38 | 41 |
| 42 enum class ColorSpaceGamut { |
| 43 // Values synced with 'Gamut' in src/tools/metrics/histograms/histograms.xml |
| 44 Unknown = 0, |
| 45 LessThanNTSC = 1, |
| 46 NTSC = 2, |
| 47 SRGB = 3, |
| 48 AlmostP3 = 4, |
| 49 P3 = 5, |
| 50 AdobeRGB = 6, |
| 51 Wide = 7, |
| 52 BT2020 = 8, |
| 53 ProPhoto = 9, |
| 54 UltraWide = 10, |
| 55 End |
| 56 }; |
| 57 |
39 namespace ColorSpaceUtilities { | 58 namespace ColorSpaceUtilities { |
40 | 59 |
41 // Get a pointer to a 8-bit lookup table that will convert color components | 60 // Get a pointer to a 8-bit lookup table that will convert color components |
42 // in the |srcColorSpace| to the |dstColorSpace|. | 61 // in the |srcColorSpace| to the |dstColorSpace|. |
43 // If the conversion cannot be performed, or is a no-op (identity transform), | 62 // If the conversion cannot be performed, or is a no-op (identity transform), |
44 // then 0 is returned. | 63 // then 0 is returned. |
45 // (Note that a round-trip - f(B,A)[f(A,B)[x]] - is not lossless in general.) | 64 // (Note that a round-trip - f(B,A)[f(A,B)[x]] - is not lossless in general.) |
46 const uint8_t* getConversionLUT(ColorSpace dstColorSpace, | 65 const uint8_t* getConversionLUT(ColorSpace dstColorSpace, |
47 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); | 66 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); |
48 | 67 |
49 // Convert a Color assumed to be in the |srcColorSpace| into the | 68 // Convert a Color assumed to be in the |srcColorSpace| into the |
50 // |dstColorSpace|. | 69 // |dstColorSpace|. |
51 Color convertColor(const Color& srcColor, | 70 Color convertColor(const Color& srcColor, |
52 ColorSpace dstColorSpace, | 71 ColorSpace dstColorSpace, |
53 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); | 72 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); |
54 | 73 |
55 // Create a color filter that will convert from |srcColorSpace| into | 74 // Create a color filter that will convert from |srcColorSpace| into |
56 // |dstColorSpace|. | 75 // |dstColorSpace|. |
57 sk_sp<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, | 76 sk_sp<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, |
58 ColorSpace dstColorSpace); | 77 ColorSpace dstColorSpace); |
59 | 78 |
| 79 PLATFORM_EXPORT ColorSpaceGamut getColorSpaceGamut(const WebScreenInfo&); |
| 80 ColorSpaceGamut getColorSpaceGamut(SkColorSpace*); |
| 81 |
60 } // namespace ColorSpaceUtilities | 82 } // namespace ColorSpaceUtilities |
61 | 83 |
62 } // namespace blink | 84 } // namespace blink |
63 | 85 |
64 #endif // ColorSpace_h | 86 #endif // ColorSpace_h |
OLD | NEW |