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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBitmap.h"
#include "SkGPipe.h"
class SkCanvas;
class SkMatrix;
class PipeController : public SkGPipeController {
public:
PipeController(SkCanvas* target);
virtual ~PipeController();
virtual void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
protected:
const void* getData() { return (const char*) fBlock + fBytesWritten; }
SkGPipeReader fReader;
private:
void* fBlock;
size_t fBlockSize;
size_t fBytesWritten;
SkGPipeReader::Status fStatus;
};
////////////////////////////////////////////////////////////////////////////////
class TiledPipeController : public PipeController {
public:
TiledPipeController(const SkBitmap&, const SkMatrix* initialMatrix = NULL);
virtual ~TiledPipeController() {};
virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
private:
enum {
NumberOfTiles = 10
};
SkGPipeReader fReaders[NumberOfTiles - 1];
SkBitmap fBitmaps[NumberOfTiles];
typedef PipeController INHERITED;
};
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