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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 SK_API 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
};
static sk_sp<SkMaskFilter> Make(SkScalar blurSigma, const Light& light);
#ifdef SK_SUPPORT_LEGACY_MASKFILTER_PTR
static SkMaskFilter* Create(SkScalar blurSigma, const Light& light) {
return Make(blurSigma, light).release();
}
#endif
// overrides from SkMaskFilter
// This method is not exported to java.
SkMask::Format getFormat() const override;
// This method is not exported to java.
bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&,
SkIPoint* margin) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmbossMaskFilter)
protected:
SkEmbossMaskFilter(SkScalar blurSigma, const Light& light);
void flatten(SkWriteBuffer&) const override;
private:
Light fLight;
SkScalar fBlurSigma;
typedef SkMaskFilter INHERITED;
};
#endif
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