/*
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* Copyright 2006 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkEmbossMaskFilter_DEFINED
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#define SkEmbossMaskFilter_DEFINED
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#include "SkMaskFilterBase.h"
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/** \class SkEmbossMaskFilter
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This mask filter creates a 3D emboss look, by specifying a light and blur amount.
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*/
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class SK_API SkEmbossMaskFilter : public SkMaskFilterBase {
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public:
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struct Light {
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SkScalar fDirection[3]; // x,y,z
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uint16_t fPad;
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uint8_t fAmbient;
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uint8_t fSpecular; // exponent, 4.4 right now
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};
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static sk_sp<SkMaskFilter> Make(SkScalar blurSigma, const Light& light);
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// overrides from SkMaskFilter
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// This method is not exported to java.
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SkMask::Format getFormat() const override;
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// This method is not exported to java.
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bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&,
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SkIPoint* margin) const override;
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protected:
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SkEmbossMaskFilter(SkScalar blurSigma, const Light& light);
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void flatten(SkWriteBuffer&) const override;
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private:
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SK_FLATTENABLE_HOOKS(SkEmbossMaskFilter)
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Light fLight;
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SkScalar fBlurSigma;
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typedef SkMaskFilter INHERITED;
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};
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#endif
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