Native wxControl::DoGetBestSize() implementation

[wxWidgets.git] / include / wx / x11 / region.h

diff --git a/include/wx/x11/region.h b/include/wx/x11/region.h
index 8d1d27646215575eeedce3d476ec50a05e2ffd34..0b3c967d3c06da39512a08ffe249a745c187d19e 100644 (file)
--- a/include/wx/x11/region.h
+++ b/include/wx/x11/region.h
@@ -12,7 +12,7 @@
 #ifndef _WX_REGION_H_
 #define _WX_REGION_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface "region.h"
 #endif
 
@@ -73,6 +73,14 @@ public:
     }
 
     wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
+
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour = wxNullColour,
+              int   tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }
+
     ~wxRegion();
 
     wxRegion( const wxRegion& region ) { Ref(region); }
@@ -114,6 +122,19 @@ public:
     wxRegionContain Contains(const wxPoint& pt) const;
     wxRegionContain Contains(const wxRect& rect) const;
 
+    // Convert the region to a B&W bitmap with the white pixels being inside
+    // the region.
+    wxBitmap ConvertToBitmap() const;
+
+    // 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.
+    bool Union(const wxBitmap& bmp,
+               const wxColour& transColour = wxNullColour,
+               int   tolerance = 0);
+
+
 public:
     WXRegion *GetX11Region() const;
 
@@ -121,7 +142,7 @@ protected:
     // ref counting code
     virtual wxObjectRefData *CreateRefData() const;
     virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
-    
+
     // common part of ctors for a rectangle region
     void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);