/*

 * Copyright 2016 Google Inc.

 *

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

 * found in the LICENSE file.

 */

#ifndef SkModeColorFilter_DEFINED

#define SkModeColorFilter_DEFINED

#include "src/core/SkColorFilterBase.h"

class SkModeColorFilter : public SkColorFilterBase {

public:

    static sk_sp<SkColorFilter> Make(SkColor color, SkBlendMode mode) {

        return sk_sp<SkColorFilter>(new SkModeColorFilter(color, mode));

    }

    bool onIsAlphaUnchanged() const override;

#if SK_SUPPORT_GPU

    GrFPResult asFragmentProcessor(std::unique_ptr<GrFragmentProcessor> inputFP,

                                   GrRecordingContext*, const GrColorInfo&) const override;

#endif

    SK_FLATTENABLE_HOOKS(SkModeColorFilter)

protected:

    SkModeColorFilter(SkColor color, SkBlendMode mode);

    void flatten(SkWriteBuffer&) const override;

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

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

    skvm::Color onProgram(skvm::Builder*, skvm::Color,

                          const SkColorInfo&, skvm::Uniforms*, SkArenaAlloc*) const override;

private:

    SkColor     fColor;

    SkBlendMode fMode;

    friend class SkColorFilter;

    using INHERITED = SkColorFilterBase;

};

#endif