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#ifndef _SV_SALBMP_H
#define _SV_SALBMP_H

#include "tools/gen.hxx"

#include "basebmp/bitmapdevice.hxx"

#include "vcl/salbtype.hxx"

#include "ios/salconst.h"
#include "ios/salgdi.h"

#include "saldata.hxx"
#include "salinst.hxx"
#include "salvd.hxx"
#include "salbmp.hxx"

#include "salcolorutils.hxx"


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

struct  BitmapBuffer;
class   BitmapColor;
class   BitmapPalette;
class   IosSalVirtualDevice;
class   IosSalGraphics;

class IosSalBitmap : 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:
    IosSalBitmap();
    virtual ~IosSalBitmap();

public:

    // SalBitmap methods
    bool            Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal );
    bool            Create( const SalBitmap& rSalBmp );
    bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics );
    bool            Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount );
    virtual bool    Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > xBitmapCanvas,
                            Size& rSize,
                            bool bMask = false );

    void            Destroy();

    Size            GetSize() const;
    sal_uInt16          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 IosSalBitmap& 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

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