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| 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 28 matching lines...) Expand all Loading... |
| 39 namespace ColorSpaceUtilities { | 39 namespace ColorSpaceUtilities { |
| 40 | 40 |
| 41 // Get a pointer to a 8-bit lookup table that will convert color components | 41 // Get a pointer to a 8-bit lookup table that will convert color components |
| 42 // in the |srcColorSpace| to the |dstColorSpace|. | 42 // in the |srcColorSpace| to the |dstColorSpace|. |
| 43 // If the conversion cannot be performed, or is a no-op (identity transform), | 43 // If the conversion cannot be performed, or is a no-op (identity transform), |
| 44 // then 0 is returned. | 44 // then 0 is returned. |
| 45 // (Note that a round-trip - f(B,A)[f(A,B)[x]] - is not lossless in general.) | 45 // (Note that a round-trip - f(B,A)[f(A,B)[x]] - is not lossless in general.) |
| 46 const uint8_t* getConversionLUT(ColorSpace dstColorSpace, | 46 const uint8_t* getConversionLUT(ColorSpace dstColorSpace, |
| 47 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); | 47 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); |
| 48 | 48 |
| 49 // Convert a Color assumed to be in the |srcColorSpace| into the |dstColorSpace|
. | 49 // Convert a Color assumed to be in the |srcColorSpace| into the |
| 50 // |dstColorSpace|. |
| 50 Color convertColor(const Color& srcColor, | 51 Color convertColor(const Color& srcColor, |
| 51 ColorSpace dstColorSpace, | 52 ColorSpace dstColorSpace, |
| 52 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); | 53 ColorSpace srcColorSpace = ColorSpaceDeviceRGB); |
| 53 | 54 |
| 54 // Create a color filter that will convert from |srcColorSpace| into |dstColorSp
ace|. | 55 // Create a color filter that will convert from |srcColorSpace| into |
| 56 // |dstColorSpace|. |
| 55 sk_sp<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, | 57 sk_sp<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, |
| 56 ColorSpace dstColorSpace); | 58 ColorSpace dstColorSpace); |
| 57 | 59 |
| 58 } // namespace ColorSpaceUtilities | 60 } // namespace ColorSpaceUtilities |
| 59 | 61 |
| 60 } // namespace blink | 62 } // namespace blink |
| 61 | 63 |
| 62 #endif // ColorSpace_h | 64 #endif // ColorSpace_h |
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