SkRuntimeColorFilter.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 SkRuntimeColorFilter_DEFINED
#define SkRuntimeColorFilter_DEFINED
 
#include "include/core/SkData.h"
#include "include/core/SkFlattenable.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSpan.h"
#include "include/effects/SkRuntimeEffect.h"
#include "include/private/base/SkDebug.h"
#include "src/effects/colorfilters/SkColorFilterBase.h"
 
#include <vector>
 
class SkReadBuffer;
class SkWriteBuffer;
struct SkStageRec;
 
class SkRuntimeColorFilter : public SkColorFilterBase {
public:
    SkRuntimeColorFilter(sk_sp<SkRuntimeEffect> effect,
                         sk_sp<const SkData> uniforms,
                         SkSpan<const SkRuntimeEffect::ChildPtr> children);
 
    bool appendStages(const SkStageRec& rec, bool) const override;
 
    bool onIsAlphaUnchanged() const override;
 
    void flatten(SkWriteBuffer& buffer) const override;
 
    SkRuntimeEffect* asRuntimeEffect() const override;
 
    SkColorFilterBase::Type type() const override { return SkColorFilterBase::Type::kRuntime; }
 
    SK_FLATTENABLE_HOOKS(SkRuntimeColorFilter)
 
    sk_sp<SkRuntimeEffect> effect() const { return fEffect; }
    sk_sp<const SkData> uniforms() const { return fUniforms; }
    SkSpan<const SkRuntimeEffect::ChildPtr> children() const { return fChildren; }
 
private:
    sk_sp<SkRuntimeEffect> fEffect;
    sk_sp<const SkData> fUniforms;
    std::vector<SkRuntimeEffect::ChildPtr> fChildren;
};
 
#endif