don't allocate backbuffer for dummy surfaces

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

diff --git a/include/wx/mgl/region.h b/include/wx/mgl/region.h
index 3508341a1972685b850a10e9dc70b785064b6be3..ec8c23c5966b665d69d6263e33cfaa26f1ac1a1b 100644 (file)
--- a/include/wx/mgl/region.h
+++ b/include/wx/mgl/region.h
@@ -11,26 +11,14 @@
 #ifndef _WX_REGION_H_
 #define _WX_REGION_H_
 
-#ifdef __GNUG__
-#pragma interface "region.h"
-#endif
-
 #include "wx/list.h"
 #include "wx/gdiobj.h"
 #include "wx/gdicmn.h"
-#include "wx/list.h"
 
 class WXDLLEXPORT wxRect;
 class WXDLLEXPORT wxPoint;
 class MGLRegion;
 
-enum wxRegionContain
-{
-    wxOutRegion = 0,
-    wxPartRegion = 1,
-    wxInRegion = 2
-};
-
 class WXDLLEXPORT wxRegion : public wxGDIObject
 {
     DECLARE_DYNAMIC_CLASS(wxRegion);
@@ -41,21 +29,18 @@ public:
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion(const MGLRegion& region);
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
     wxRegion( const wxBitmap& bmp,
-              const wxColour& transColour = wxNullColour,
-              int   tolerance = 0)
+              const wxColour& transColour, int tolerance = 0)
     {
         Union(bmp, transColour, tolerance);
     }
 
     wxRegion();
-    ~wxRegion();
-
-    //# Copying
-    inline wxRegion(const wxRegion& r)
-        { Ref(r); }
-    inline wxRegion& operator = (const wxRegion& r)
-        { Ref(r); return (*this); }
+    virtual ~wxRegion();
 
     //# Modify region
     // Clear current region
@@ -103,17 +88,18 @@ public:
     // Does the region contain the rectangle rect?
     wxRegionContain Contains(const wxRect& rect) const;
 
-    // Convert the region to a B&W bitmap with the black pixels being inside
+    // 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,
+    // with this region.  First version takes transparency from bitmap's mask,
+    // second lets the user specify the colour to be treated as transparent
     // along with an optional tolerance value.
+    // NOTE: implemented in common/rgncmn.cpp
+    bool Union(const wxBitmap& bmp);
     bool Union(const wxBitmap& bmp,
-               const wxColour& transColour = wxNullColour,
-               int   tolerance = 0);
+               const wxColour& transColour, int tolerance = 0);
 
 
     // implementation from now on:
@@ -134,7 +120,7 @@ class WXDLLEXPORT wxRegionIterator : public wxObject
 public:
     wxRegionIterator(void);
     wxRegionIterator(const wxRegion& region);
-    ~wxRegionIterator(void);
+    virtual ~wxRegionIterator(void);
 
     void Reset(void) { m_currentNode = NULL; }
     void Reset(const wxRegion& region);