Added simple implementation of (Get|Unget)RawData.

Premultipied alpha is not handled at this point.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24716 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/bitmap.h

@@ -19,6 +19,7 @@ class WXDLLEXPORT wxBitmap;
 class WXDLLEXPORT wxIcon;
 class WXDLLEXPORT wxCursor;
 class WXDLLEXPORT wxImage;
+class WXDLLEXPORT wxPixelDataBase;
 
 // ========================================================================
 // wxMask
@@ -123,6 +124,10 @@ public:
     void SetQuality(int q);
     void SetOk(bool isOk);
 
+    // raw bitmap access support functions
+    void *GetRawData(wxPixelDataBase& data, int bpp);
+    void UngetRawData(wxPixelDataBase& data);
+
     wxPalette* GetPalette() const;
     void SetPalette(const wxPalette& palette);