Added wxTLW::SetShape and implementations for wxGTK, wxMSW and an

empty stub for wxMac.
Added some generic helpers and a new ctor to wxRegion.
Added samples/shaped.
(Backport to 2.4 from 2.5)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19872 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/gdi.i

@@ -1043,8 +1043,12 @@ public:
 #ifndef __WXMAC__
     %name(wxRegionFromPoints)wxRegion(int PCOUNT, wxPoint* points, int fillStyle = wxWINDING_RULE);
 #endif
+    %name(wxRegionFromBitmap)wxRegion(const wxBitmap& bmp,
+                                      const wxColour& transColour = wxNullColour,
+                                      int   tolerance = 0);
     ~wxRegion();
 
+
     void Clear();
 #ifndef __WXMAC__
     bool Offset(wxCoord x, wxCoord y);
@@ -1074,6 +1078,18 @@ public:
     bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
     %name(XorRect)bool Xor(const wxRect& rect);
     %name(XorRegion)bool Xor(const wxRegion& region);
+
+    // Convert the region to a B&W bitmap with the black pixels being inside
+    // the region.
+    wxBitmap ConvertToBitmap();
+
+    // Use the non-transparent pixels of a wxBitmap for the region to combine
+    // with this region.  If the bitmap has a mask then it will be used,
+    // otherwise the colour to be treated as transparent may be specified,
+    // along with an optional tolerance value.
+    %name(UnionBitmap)bool Union(const wxBitmap& bmp,
+                                 const wxColour& transColour = wxNullColour,
+                                 int   tolerance = 0);
 };
 
 
@@ -1103,6 +1119,7 @@ public:
 
 //---------------------------------------------------------------------------
 
+
 %readonly
 %{
 #if 0