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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkColorFilter.h"
#include "SkPM4f.h"
#ifndef SkModeColorFilter_DEFINED
#define SkModeColorFilter_DEFINED
class SkModeColorFilter : public SkColorFilter {
public:
static sk_sp<SkColorFilter> Make(SkColor color, SkBlendMode mode) {
return sk_sp<SkColorFilter>(new SkModeColorFilter(color, mode));
}
SkColor getColor() const { return fColor; }
SkBlendMode getMode() const { return fMode; }
SkPMColor getPMColor() const { return fPMColor; }
bool asColorMode(SkColor*, SkBlendMode*) const override;
uint32_t getFlags() const override;
void filterSpan(const SkPMColor shader[], int count, SkPMColor result[]) const override;
void filterSpan4f(const SkPM4f shader[], int count, SkPM4f result[]) const override;
#ifndef SK_IGNORE_TO_STRING
void toString(SkString* str) const override;
#endif
#if SK_SUPPORT_GPU
sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, SkColorSpace*) const override;
#endif
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkModeColorFilter)
protected:
SkModeColorFilter(SkColor color, SkBlendMode mode) {
fColor = color;
fMode = mode;
this->updateCache();
}
void flatten(SkWriteBuffer&) const override;
bool onAppendStages(SkRasterPipeline*, SkColorSpace*, SkFallbackAlloc*,
bool shaderIsOpaque) const override;
private:
SkColor fColor;
SkBlendMode fMode;
// cache
SkPMColor fPMColor;
SkXfermodeProc fProc;
void updateCache();
friend class SkColorFilter;
typedef SkColorFilter INHERITED;
};
#endif
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