Mac Core Graphics Implementation
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31959 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
@@ -20,6 +20,7 @@
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// Bitmap
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class WXDLLEXPORT wxBitmap;
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class wxBitmapRefData ;
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class WXDLLEXPORT wxBitmapHandler;
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class WXDLLEXPORT wxControl;
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class WXDLLEXPORT wxCursor;
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@@ -29,78 +30,58 @@ class WXDLLEXPORT wxImage;
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class WXDLLEXPORT wxPixelDataBase;
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// A mask is a bitmap used for drawing bitmaps
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// it can be a monochrome bitmap or a multi-bit bitmap which transfers to alpha channels
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// transparently.
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// Internally it is stored as a 8 bit deep memory chunk, 0 = black means the source will be drawn
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// 255 = white means the source will not be drawn, no other values will be present
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// 8 bit is chosen only for performance reasons, note also that this is the inverse value range
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// from alpha, where 0 = invisible , 255 = fully drawn
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class WXDLLEXPORT wxMask: public wxObject
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{
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DECLARE_DYNAMIC_CLASS(wxMask)
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DECLARE_NO_COPY_CLASS(wxMask)
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public:
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wxMask();
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wxMask();
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// Construct a mask from a bitmap and a colour indicating
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// the transparent area
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wxMask(const wxBitmap& bitmap, const wxColour& colour);
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// Construct a mask from a bitmap and a colour indicating
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// the transparent area
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wxMask(const wxBitmap& bitmap, const wxColour& colour);
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// Construct a mask from a bitmap and a palette index indicating
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// the transparent area
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wxMask(const wxBitmap& bitmap, int paletteIndex);
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// Construct a mask from a mono bitmap (black meaning show pixels, white meaning transparent)
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wxMask(const wxBitmap& bitmap);
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// implementation helper only : construct a mask from a 8 bit memory buffer
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wxMask(const wxMemoryBuffer& buf, int width , int height , int bytesPerRow ) ;
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// Construct a mask from a mono bitmap (copies the bitmap).
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wxMask(const wxBitmap& bitmap);
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~wxMask();
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~wxMask();
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bool Create(const wxBitmap& bitmap, const wxColour& colour);
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bool Create(const wxBitmap& bitmap);
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bool Create(const wxMemoryBuffer& buf, int width , int height , int bytesPerRow ) ;
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bool Create(const wxBitmap& bitmap, const wxColour& colour);
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bool Create(const wxBitmap& bitmap, int paletteIndex);
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bool Create(const wxBitmap& bitmap);
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// Implementation below
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// Implementation
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bool PointMasked(int x, int y);
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inline WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; }
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inline void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
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int GetDepth() const { return m_depth ; }
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void SetDepth( int depth ) { m_depth = depth ; }
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protected:
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WXHBITMAP m_maskBitmap;
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int m_depth ;
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void Init() ;
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// a 8 bit depth mask
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void* GetRawAccess() const;
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int GetBytesPerRow() const { return m_bytesPerRow ; }
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// renders/updates native representation when necessary
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void RealizeNative() ;
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#if !wxMAC_USE_CORE_GRAPHICS
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WXHBITMAP GetHBITMAP() const ;
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#endif
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private:
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wxMemoryBuffer m_memBuf ;
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int m_bytesPerRow ;
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int m_width ;
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int m_height ;
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#if !wxMAC_USE_CORE_GRAPHICS
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WXHBITMAP m_maskBitmap ;
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#endif
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};
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enum { kMacBitmapTypeUnknownType , kMacBitmapTypeGrafWorld, kMacBitmapTypePict , kMacBitmapTypeIcon } ;
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class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
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{
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DECLARE_NO_COPY_CLASS(wxBitmapRefData)
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friend class WXDLLEXPORT wxBitmap;
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friend class WXDLLEXPORT wxIcon;
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friend class WXDLLEXPORT wxCursor;
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public:
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wxBitmapRefData();
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~wxBitmapRefData();
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public:
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int m_width;
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int m_height;
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int m_depth;
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bool m_ok;
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int m_numColors;
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#if wxUSE_PALETTE
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wxPalette m_bitmapPalette;
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#endif // wxUSE_PALETTE
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int m_quality;
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int m_bitmapType ;
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WXHMETAFILE m_hPict ;
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WXHBITMAP m_hBitmap;
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WXHICON m_hIcon ;
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wxMask * m_bitmapMask; // Optional mask
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bool m_hasAlpha;
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};
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#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
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class WXDLLEXPORT wxBitmapHandler: public wxBitmapHandlerBase
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{
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public:
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@@ -120,96 +101,113 @@ private:
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class WXDLLEXPORT wxBitmap: public wxBitmapBase
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{
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DECLARE_DYNAMIC_CLASS(wxBitmap)
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DECLARE_DYNAMIC_CLASS(wxBitmap)
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friend class WXDLLEXPORT wxBitmapHandler;
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friend class WXDLLEXPORT wxBitmapHandler;
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public:
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wxBitmap(); // Platform-specific
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wxBitmap(); // Platform-specific
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// Copy constructors
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wxBitmap(const wxBitmap& bitmap)
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: wxBitmapBase()
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{ Ref(bitmap); }
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// Copy constructors
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wxBitmap(const wxBitmap& bitmap)
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{ Ref(bitmap); }
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// Initialize with raw data.
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wxBitmap(const char bits[], int width, int height, int depth = 1);
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// Initialize with raw data.
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wxBitmap(const char bits[], int width, int height, int depth = 1);
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// Initialize with XPM data
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bool CreateFromXpm(const char **bits);
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wxBitmap(const char **bits);
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wxBitmap(char **bits);
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// Initialize with XPM data
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bool CreateFromXpm(const char **bits);
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wxBitmap(const char **bits);
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wxBitmap(char **bits);
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// Load a file or resource
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wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_PICT_RESOURCE);
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// Load a file or resource
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wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_PICT_RESOURCE);
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// Constructor for generalised creation from data
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wxBitmap(void *data, wxBitmapType type, int width, int height, int depth = 1);
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// Constructor for generalised creation from data
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wxBitmap(void *data, wxBitmapType type, int width, int height, int depth = 1);
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// If depth is omitted, will create a bitmap compatible with the display
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wxBitmap(int width, int height, int depth = -1);
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// Convert from wxImage:
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wxBitmap(const wxImage& image, int depth = -1);
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~wxBitmap();
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wxImage ConvertToImage() const;
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// If depth is omitted, will create a bitmap compatible with the display
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wxBitmap(int width, int height, int depth = -1);
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// get the given part of bitmap
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wxBitmap GetSubBitmap( const wxRect& rect ) const;
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// Convert from wxImage:
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wxBitmap(const wxImage& image, int depth = -1);
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virtual bool Create(int width, int height, int depth = -1);
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virtual bool Create(void *data, wxBitmapType type, int width, int height, int depth = 1);
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virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
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virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
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// Convert from wxIcon
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wxBitmap(const wxIcon& icon) { CopyFromIcon(icon); }
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// copies the contents and mask of the given (colour) icon to the bitmap
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virtual bool CopyFromIcon(const wxIcon& icon);
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~wxBitmap();
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bool Ok() const;
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int GetWidth() const;
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int GetHeight() const;
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int GetDepth() const;
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int GetQuality() const;
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void SetWidth(int w);
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void SetHeight(int h);
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void SetDepth(int d);
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void SetQuality(int q);
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void SetOk(bool isOk);
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wxImage ConvertToImage() const;
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// get the given part of bitmap
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wxBitmap GetSubBitmap( const wxRect& rect ) const;
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virtual bool Create(int width, int height, int depth = -1);
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virtual bool Create(void *data, wxBitmapType type, int width, int height, int depth = 1);
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// virtual bool Create( WXHICON icon) ;
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virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
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virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
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wxBitmapRefData *GetBitmapData() const
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{ return (wxBitmapRefData *)m_refData; }
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// copies the contents and mask of the given (colour) icon to the bitmap
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virtual bool CopyFromIcon(const wxIcon& icon);
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bool Ok() const;
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int GetWidth() const;
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int GetHeight() const;
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int GetDepth() const;
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void SetWidth(int w);
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void SetHeight(int h);
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void SetDepth(int d);
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void SetOk(bool isOk);
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#if WXWIN_COMPATIBILITY_2_4
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// these functions do nothing and are only there for backwards
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// compatibility
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wxDEPRECATED( int GetQuality() const );
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wxDEPRECATED( void SetQuality(int quality) );
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#endif // WXWIN_COMPATIBILITY_2_4
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#if wxUSE_PALETTE
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wxPalette* GetPalette() const;
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void SetPalette(const wxPalette& palette);
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wxPalette* GetPalette() const;
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void SetPalette(const wxPalette& palette);
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#endif // wxUSE_PALETTE
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wxMask *GetMask() const;
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void SetMask(wxMask *mask) ;
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wxMask *GetMask() const;
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void SetMask(wxMask *mask) ;
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int GetBitmapType() const;
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inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
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inline bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
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inline bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
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inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
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inline bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
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inline bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
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static void InitStandardHandlers();
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static void InitStandardHandlers();
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// raw bitmap access support functions, for internal use only
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void *GetRawData(wxPixelDataBase& data, int bpp);
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void UngetRawData(wxPixelDataBase& data);
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// these functions are internal and shouldn't be used, they risk to
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// disappear in the future
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bool HasAlpha() const;
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void UseAlpha();
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public:
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WXHBITMAP GetHBITMAP() const;
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inline WXHICON GetHICON() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hIcon : 0); }
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WXHMETAFILE GetPict(bool *created = NULL ) const;
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#if !wxMAC_USE_CORE_GRAPHICS
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// returns the 'native' implementation, a GWorldPtr for the content and one for the mask
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WXHBITMAP GetHBITMAP( WXHBITMAP * mask = NULL ) const;
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#endif
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void SetHBITMAP(WXHBITMAP bmp);
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void SetHICON(WXHICON ico);
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void SetPict( WXHMETAFILE pict ) ;
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bool FreeResource(bool force = FALSE);
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#if wxMAC_USE_CORE_GRAPHICS
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// returns a CGImageRef which must released after usage with CGImageRelease
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WXCGIMAGEREF CGImageCreate() const ;
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#endif
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// get read only access to the underlying buffer
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void *GetRawAccess() const ;
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// brackets to the underlying OS structure for read/write access
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// makes sure that no cached images will be constructed until terminated
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void *BeginRawAccess() ;
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void EndRawAccess() ;
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};
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#endif
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// _WX_BITMAP_H_
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