SkBlendModeColorFilter.h

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/*

 * Copyright 2023 Google LLC

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

*/

#ifndef SkBlendModeColorFilter_DEFINED

#define SkBlendModeColorFilter_DEFINED

#include "include/core/SkColor.h"

#include "include/core/SkFlattenable.h"

#include "src/effects/colorfilters/SkColorFilterBase.h"

class SkReadBuffer;

class SkWriteBuffer;

enum class SkBlendMode;

struct SkStageRec;

class SkBlendModeColorFilter final : public SkColorFilterBase {

public:

    SkBlendModeColorFilter(const SkColor4f& color, SkBlendMode mode);

    bool appendStages(const SkStageRec& rec, bool shaderIsOpaque) const override;

    bool onIsAlphaUnchanged() const override;

    SkColorFilterBase::Type type() const override { return SkColorFilterBase::Type::kBlendMode; }

    SkColor4f color() const { return fColor; }

    SkBlendMode mode() const { return fMode; }

private:

    friend void ::SkRegisterModeColorFilterFlattenable();

    SK_FLATTENABLE_HOOKS(SkBlendModeColorFilter)

    void flatten(SkWriteBuffer&) const override;

    bool onAsAColorMode(SkColor*, SkBlendMode*) const override;

    SkColor4f fColor;  // always stored in sRGB

    SkBlendMode fMode;

};

#endif