7716afbb97
git-svn-id: http://skia.googlecode.com/svn/trunk@2820 2bbb7eff-a529-9590-31e7-b0007b416f81
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
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/*
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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 SkTransparentShader_DEFINED
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#define SkTransparentShader_DEFINED
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#include "SkShader.h"
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class SkTransparentShader : public SkShader {
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public:
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SkTransparentShader() {}
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virtual uint32_t getFlags() SK_OVERRIDE;
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virtual bool setContext( const SkBitmap& device,
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const SkPaint& paint,
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const SkMatrix& matrix) SK_OVERRIDE;
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virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE;
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virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
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// overrides for SkFlattenable
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virtual Factory getFactory() SK_OVERRIDE;
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virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE;
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private:
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// these are a cache from the call to setContext()
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const SkBitmap* fDevice;
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uint8_t fAlpha;
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SkTransparentShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
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static SkFlattenable* Create(SkFlattenableReadBuffer& buffer) {
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return SkNEW_ARGS(SkTransparentShader, (buffer));
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}
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typedef SkShader INHERITED;
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};
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#endif
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