quartz/salbmp.h

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#ifndef INCLUDED_VCL_INC_QUARTZ_SALBMP_H
#define INCLUDED_VCL_INC_QUARTZ_SALBMP_H
 
#include <tools/gen.hxx>
 
#include <vcl/BitmapBuffer.hxx>
#include <vcl/BitmapPalette.hxx>
 
#include <quartz/salgdi.h>
 
#include <salinst.hxx>
#include <salvd.hxx>
#include <salbmp.hxx>
 
#include <memory>
 
 
struct  BitmapBuffer;
class   BitmapPalette;
 
class QuartzSalBitmap : public SalBitmap
{
public:
    CGContextHolder                 maGraphicContext;
    mutable CGImageRef              mxCachedImage;
    BitmapPalette                   maPalette;
    std::shared_ptr<sal_uInt8> m_pUserBuffer;
    std::shared_ptr<sal_uInt8> m_pContextBuffer;
    sal_uInt16                      mnBits;
    int                             mnWidth;
    int                             mnHeight;
    sal_uInt32                      mnBytesPerRow;
 
public:
    QuartzSalBitmap();
    virtual ~QuartzSalBitmap() override;
 
public:
 
    // SalBitmap methods
    bool            Create( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal ) override;
    bool            Create( const SalBitmap& rSalBmp ) override;
    bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics ) override;
    bool            Create( const SalBitmap& rSalBmp, vcl::PixelFormat eNewPixelFormat) override;
    virtual bool    Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
                            Size& rSize,
                            bool bMask = false ) override;
 
    void            Destroy() override;
 
    Size            GetSize() const override;
    sal_uInt16          GetBitCount() const override;
 
    BitmapBuffer   *AcquireBuffer( BitmapAccessMode nMode ) override;
    void            ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
 
    bool            GetSystemData( BitmapSystemData& rData ) override;
 
    bool            ScalingSupported() const override;
    bool            Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
    bool            Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
 
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(CGLayerHolder const & rLayerHolder, int nBitCount, int nX, int nY, int nWidth, int nHeight, bool bFlipped);
 
public:
    CGImageRef      CreateWithMask( const QuartzSalBitmap& rMask, int nX, int nY, int nWidth, int nHeight ) const;
    CGImageRef      CreateColorMask( int nX, int nY, int nWidth, int nHeight, Color nMaskColor ) const;
    CGImageRef      CreateCroppedImage( int nX, int nY, int nWidth, int nHeight ) const;
 
    void doDestroy();
};
 
#endif // INCLUDED_VCL_INC_QUARTZ_SALBMP_H
 
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