+ bool HasPixmap() const;
+ bool HasPixbuf() const;
+ GdkPixbuf *GetPixbuf() const;
+
+ // Basically, this corresponds to Win32 StretchBlt()
+ wxBitmap Rescale(int clipx, int clipy, int clipwidth, int clipheight,
+ int width, int height) const;
+
+ // raw bitmap access support functions
+ void *GetRawData(wxPixelDataBase& data, int bpp);
+ void UngetRawData(wxPixelDataBase& data);
+
+ bool HasAlpha() const;
+