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 * $RCSfile: salbmp.h,v $
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#ifndef _SV_SALBMP_H
#define _SV_SALBMP_H

#include "tools/gen.hxx"
#include "vcl/sv.h"
#include "vcl/salbtype.hxx"
#include "saldata.hxx"
#include "vcl/salinst.hxx"
#include "salconst.h"
#include "vcl/salvd.hxx"
#include "salcolorutils.hxx"
#include "salpixmaputils.hxx"
#include "vcl/salbmp.hxx"
#include "salgdi.h"
#include "basebmp/bitmapdevice.hxx"

// --------------
// - SalBitmap  -
// --------------

struct  BitmapBuffer;
class   BitmapColor;
class   BitmapPalette;
class   AquaSalVirtualDevice;
class   AquaSalGraphics;

class AquaSalBitmap : public SalBitmap
{
public:
    CGContextRef                    mxGraphicContext;
    mutable CGImageRef              mxCachedImage;
    BitmapPalette                   maPalette;
    basebmp::RawMemorySharedArray   maUserBuffer;
    basebmp::RawMemorySharedArray   maContextBuffer;
    sal_uInt16                      mnBits;
    int                             mnWidth;
    int                             mnHeight;
    sal_uInt32                      mnBytesPerRow;

public:
    AquaSalBitmap();
    virtual ~AquaSalBitmap();

public:

    // SalBitmap methods
    bool            Create( const Size& rSize, USHORT nBitCount, const BitmapPalette& rPal );
    bool            Create( const SalBitmap& rSalBmp );
    bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics );
    bool            Create( const SalBitmap& rSalBmp, USHORT nNewBitCount );

    void            Destroy();

    Size            GetSize() const;
    USHORT          GetBitCount() const;

    BitmapBuffer   *AcquireBuffer( bool bReadOnly );
    void            ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly );

    bool            GetSystemData( BitmapSystemData& rData );

private:
    // quartz helper
    bool            CreateContext();
    void            DestroyContext();
    bool            AllocateUserData();

    void            ConvertBitmapData( sal_uInt32 nWidth, sal_uInt32 nHeight,
                                       sal_uInt16 nDestBits, sal_uInt32 nDestBytesPerRow, const BitmapPalette& rDestPalette, sal_uInt8* pDestData,
                                       sal_uInt16 nSrcBits, sal_uInt32 nSrcBytesPerRow, const BitmapPalette& rSrcPalette, sal_uInt8* pSrcData );

public:
    bool            Create( CGLayerRef xLayer, int nBitCount, int nX, int nY, int nWidth, int nHeight, bool bMirrorVert = true );

public:
    CGImageRef      CreateWithMask( const AquaSalBitmap& rMask, int nX, int nY, int nWidth, int nHeight ) const;
    CGImageRef      CreateColorMask( int nX, int nY, int nWidth, int nHeight, SalColor nMaskColor ) const;
    CGImageRef      CreateCroppedImage( int nX, int nY, int nWidth, int nHeight ) const;
};

#endif // _SV_SALBMP_HXX