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/*
* Copyright 2008 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkKernel33MaskFilter_DEFINED
#define SkKernel33MaskFilter_DEFINED
#include "SkMaskFilter.h"
class SK_API SkKernel33ProcMaskFilter : public SkMaskFilter {
public:
SkKernel33ProcMaskFilter(unsigned percent256 = 256)
: fPercent256(percent256) {}
virtual uint8_t computeValue(uint8_t* const* srcRows) const = 0;
virtual SkMask::Format getFormat() const SK_OVERRIDE;
virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&,
SkIPoint*) const SK_OVERRIDE;
SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;)
protected:
SkKernel33ProcMaskFilter(SkFlattenableReadBuffer& rb);
virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
private:
int fPercent256;
typedef SkMaskFilter INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
class SK_API SkKernel33MaskFilter : public SkKernel33ProcMaskFilter {
public:
SkKernel33MaskFilter(const int coeff[3][3], int shift, int percent256 = 256)
: SkKernel33ProcMaskFilter(percent256) {
memcpy(fKernel, coeff, 9 * sizeof(int));
fShift = shift;
}
// override from SkKernel33ProcMaskFilter
virtual uint8_t computeValue(uint8_t* const* srcRows) const SK_OVERRIDE;
SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;)
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkKernel33MaskFilter)
private:
int fKernel[3][3];
int fShift;
SkKernel33MaskFilter(SkFlattenableReadBuffer& rb);
virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
typedef SkKernel33ProcMaskFilter INHERITED;
};
#endif
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