SkColorSpaceXformColorFilter.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 SkColorSpaceXformColorFilter_DEFINED

#define SkColorSpaceXformColorFilter_DEFINED

#include "include/core/SkColorSpace.h"

#include "include/core/SkFlattenable.h"

#include "include/core/SkRefCnt.h"

#include "src/core/SkColorSpaceXformSteps.h"

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

class SkReadBuffer;

class SkWriteBuffer;

struct SkStageRec;

class SkColorSpaceXformColorFilter final : public SkColorFilterBase {

public:

    SkColorSpaceXformColorFilter(sk_sp<SkColorSpace> src, sk_sp<SkColorSpace> dst);

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

    SkColorFilterBase::Type type() const override {

        return SkColorFilterBase::Type::kColorSpaceXform;

    sk_sp<SkColorSpace> src() const { return fSrc; }

    sk_sp<SkColorSpace> dst() const { return fDst; }

protected:

    void flatten(SkWriteBuffer& buffer) const override;

private:

    friend void ::SkRegisterSkColorSpaceXformColorFilterFlattenable();

    SK_FLATTENABLE_HOOKS(SkColorSpaceXformColorFilter)

    static sk_sp<SkFlattenable> LegacyGammaOnlyCreateProc(SkReadBuffer& buffer);

    const sk_sp<SkColorSpace> fSrc;

    const sk_sp<SkColorSpace> fDst;

    SkColorSpaceXformSteps fSteps;

    friend class SkColorFilter;

    using INHERITED = SkColorFilterBase;

};

#endif