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Diffstat (limited to 'gfx/skia/skia/src/core/SkColorSpaceXformSteps.h')
| -rw-r--r-- | gfx/skia/skia/src/core/SkColorSpaceXformSteps.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/core/SkColorSpaceXformSteps.h b/gfx/skia/skia/src/core/SkColorSpaceXformSteps.h new file mode 100644 index 0000000000..37bc4f9113 --- /dev/null +++ b/gfx/skia/skia/src/core/SkColorSpaceXformSteps.h @@ -0,0 +1,57 @@ +/* + * Copyright 2018 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef SkColorSpaceXformSteps_DEFINED +#define SkColorSpaceXformSteps_DEFINED + +#include "include/core/SkAlphaType.h" +#include "modules/skcms/skcms.h" +#include "src/core/SkVM.h" +#include <stdint.h> + +class SkColorSpace; +class SkRasterPipeline; + +struct SkColorSpaceXformSteps { + + struct Flags { + bool unpremul = false; + bool linearize = false; + bool gamut_transform = false; + bool encode = false; + bool premul = false; + + constexpr uint32_t mask() const { + return (unpremul ? 1 : 0) + | (linearize ? 2 : 0) + | (gamut_transform ? 4 : 0) + | (encode ? 8 : 0) + | (premul ? 16 : 0); + } + }; + + SkColorSpaceXformSteps() {} + SkColorSpaceXformSteps(const SkColorSpace* src, SkAlphaType srcAT, + const SkColorSpace* dst, SkAlphaType dstAT); + + template <typename S, typename D> + SkColorSpaceXformSteps(const S& src, const D& dst) + : SkColorSpaceXformSteps(src.colorSpace(), src.alphaType(), + dst.colorSpace(), dst.alphaType()) {} + + void apply(float rgba[4]) const; + void apply(SkRasterPipeline*) const; + skvm::Color program(skvm::Builder*, skvm::Uniforms*, skvm::Color) const; + + Flags flags; + + skcms_TransferFunction srcTF, // Apply for linearize. + dstTFInv; // Apply for encode. + float src_to_dst_matrix[9]; // Apply this 3x3 column-major matrix for gamut_transform. +}; + +#endif//SkColorSpaceXformSteps_DEFINED |