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/* libs/graphics/sgl/SkBitmapShader.h
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** Copyright 2006, The Android Open Source Project
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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#ifndef SkBitmapProcShader_DEFINED
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#define SkBitmapProcShader_DEFINED
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#include "SkBitmapProcState.h"
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class SkBitmapProcShader : public SkShader {
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SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty);
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// overrides from SkShader
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virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&);
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virtual uint32_t getFlags() { return fFlags; }
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virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count);
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virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count);
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virtual void beginSession();
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virtual void endSession();
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virtual bool asABitmap(SkBitmap*, SkMatrix*, TileMode*);
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static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty);
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static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) {
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return SkNEW_ARGS(SkBitmapProcShader, (buffer));
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// override from flattenable
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virtual bool toDumpString(SkString* str) const;
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SkBitmapProcShader(SkFlattenableReadBuffer& );
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virtual void flatten(SkFlattenableWriteBuffer& );
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virtual Factory getFactory() { return CreateProc; }
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SkBitmap fRawBitmap; // experimental for RLE encoding
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SkBitmapProcState fState;
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typedef SkShader INHERITED;