/*
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* Copyright 2018 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkColorSpaceXformSteps_DEFINED
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#define SkColorSpaceXformSteps_DEFINED
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#include "SkColorSpace.h"
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#include "SkImageInfo.h"
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class SkRasterPipeline;
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struct SkColorSpaceXformSteps {
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struct Flags {
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bool unpremul = false;
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bool linearize = false;
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bool gamut_transform = false;
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bool encode = false;
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bool premul = false;
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uint32_t mask() const {
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return (unpremul ? 1 : 0)
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| (linearize ? 2 : 0)
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| (gamut_transform ? 4 : 0)
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| (encode ? 8 : 0)
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| (premul ? 16 : 0);
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}
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};
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SkColorSpaceXformSteps(SkColorSpace* src, SkAlphaType srcAT,
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SkColorSpace* dst, SkAlphaType dstAT);
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void apply(float rgba[4]) const;
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void apply(SkRasterPipeline*, bool src_is_normalized) const;
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void apply(SkRasterPipeline* p, SkColorType srcCT) const {
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#if 0
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this->apply(p, srcCT < kRGBA_F16_SkColorType);
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#else
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// F16Norm is normalized, but to make diffing with F16 easier we
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// intentionally take the slower, non-normalized path here.
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this->apply(p, srcCT < kRGBA_F16Norm_SkColorType);
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#endif
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}
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Flags flags;
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bool srcTF_is_sRGB,
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dstTF_is_sRGB;
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skcms_TransferFunction srcTF, // Apply for linearize.
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dstTFInv; // Apply for encode.
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float src_to_dst_matrix[9]; // Apply this 3x3 column-major matrix for gamut_transform.
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};
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#endif//SkColorSpaceXformSteps_DEFINED
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