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/*
* Copyright 2006 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 SkEmbossMaskFilter_DEFINED
#define SkEmbossMaskFilter_DEFINED
#include "SkMaskFilter.h"
/** \class SkEmbossMaskFilter
This mask filter creates a 3D emboss look, by specifying a light and blur amount.
*/
class SkEmbossMaskFilter : public SkMaskFilter {
public:
struct Light {
SkScalar fDirection[3]; // x,y,z
uint16_t fPad;
uint8_t fAmbient;
uint8_t fSpecular; // exponent, 4.4 right now
};
SkEmbossMaskFilter(const Light& light, SkScalar blurRadius);
// overrides from SkMaskFilter
// This method is not exported to java.
virtual SkMask::Format getFormat();
// This method is not exported to java.
virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&,
SkIPoint* margin);
// overrides from SkFlattenable
// This method is not exported to java.
virtual Factory getFactory();
// This method is not exported to java.
virtual void flatten(SkFlattenableWriteBuffer&);
protected:
SkEmbossMaskFilter(SkFlattenableReadBuffer&);
private:
Light fLight;
SkScalar fBlurRadius;
static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
typedef SkMaskFilter INHERITED;
};
#endif
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