+ // Basically, this corresponds to Win32 StretchBlt()
+ wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
+
+ // raw bitmap access support functions
+ void *GetRawData(wxPixelDataBase& data, int bpp);
+ void UngetRawData(wxPixelDataBase& data);
+
+ bool HasAlpha() const;
+ void UseAlpha();
+
+protected:
+ bool CreateFromXpm(const char **bits);
+ bool CreateFromImage(const wxImage& image, int depth);
+
+private:
+ // to be called from CreateFromImage only!
+ bool CreateFromImageAsBitmap(const wxImage& image);
+ bool CreateFromImageAsPixmap(const wxImage& image);
+
+#ifdef __WXGTK20__
+ bool CreateFromImageAsPixbuf(const wxImage& image);
+
+ enum Representation
+ {
+ Pixmap,
+ Pixbuf
+ };
+ // removes other representations from memory, keeping only 'keep'
+ // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
+ void PurgeOtherRepresentations(Representation keep);
+
+ friend class wxMemoryDC;
+#endif
+ friend class wxBitmapHandler;
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxBitmap)
+};
+
+//-----------------------------------------------------------------------------
+// wxBitmapHandler
+//-----------------------------------------------------------------------------
+
+class wxBitmapHandler: public wxBitmapHandlerBase
+{
+public:
+ wxBitmapHandler() { }
+ virtual ~wxBitmapHandler();
+
+ virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
+ virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight);
+ virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxBitmapHandler)