* Copyright 2009, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _BITMAP_STREAM_H
#define _BITMAP_STREAM_H
#include <ByteOrder.h>
#include <DataIO.h>
#include <TranslationDefs.h>
#include <TranslatorFormats.h>
class BBitmap;
class BBitmapStream : public BPositionIO {
public:
BBitmapStream(BBitmap* bitmap = NULL);
virtual ~BBitmapStream();
virtual ssize_t ReadAt(off_t offset, void* buffer, size_t size);
virtual ssize_t WriteAt(off_t offset, const void* buffer,
size_t size);
virtual off_t Seek(off_t position, uint32 seekMode);
virtual off_t Position() const;
virtual off_t Size() const;
virtual status_t SetSize(off_t size);
status_t DetachBitmap(BBitmap** _bitmap);
protected:
void SwapHeader(const TranslatorBitmap* source,
TranslatorBitmap* destination);
protected:
TranslatorBitmap fHeader;
BBitmap* fBitmap;
size_t fPosition;
size_t fSize;
bool fDetached;
private:
virtual void _ReservedBitmapStream1();
virtual void _ReservedBitmapStream2();
private:
TranslatorBitmap* fBigEndianHeader;
long _reserved[5];
};
#endif
