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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImageRef_ashmem_DEFINED
#define SkImageRef_ashmem_DEFINED
#include "SkImageRef.h"
struct SkAshmemRec {
int fFD;
void* fAddr;
size_t fSize;
bool fPinned;
};
class SkImageRef_ashmem : public SkImageRef {
public:
SkImageRef_ashmem(SkStream*, SkBitmap::Config, int sampleSize = 1);
virtual ~SkImageRef_ashmem();
// overrides
virtual void flatten(SkFlattenableWriteBuffer&) const;
virtual Factory getFactory() const {
return Create;
}
static SkPixelRef* Create(SkFlattenableReadBuffer&);
protected:
virtual bool onDecode(SkImageDecoder* codec, SkStream* stream,
SkBitmap* bitmap, SkBitmap::Config config,
SkImageDecoder::Mode mode);
virtual void* onLockPixels(SkColorTable**);
virtual void onUnlockPixels();
private:
SkImageRef_ashmem(SkFlattenableReadBuffer&);
void closeFD();
SkColorTable* fCT;
SkAshmemRec fRec;
typedef SkImageRef INHERITED;
};
#endif
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