disallow creation of wxDC objects and made wxDC an ABC; use wxDCTemp instead of wxDC...

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

diff --git a/include/wx/msw/region.h b/include/wx/msw/region.h
index bb1e56cea661d4adbb56543de4703ea69955bed1..848a519e60d660bb6fdd30bb25e4b4c787a1d539 100644 (file)
--- a/include/wx/msw/region.h
+++ b/include/wx/msw/region.h
@@ -1,21 +1,17 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/msw/region.h
 // Purpose:     wxRegion class
-// Author:      Markus Holzem, Julian Smart
+// Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) 1997-2002 wxWindows team
+// Copyright:   (c) 1997-2002 wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_REGION_H_
 #define _WX_REGION_H_
 
-#ifdef __GNUG__
-    #pragma interface "region.h"
-#endif
-
 #include "wx/gdiobj.h"
 #include "wx/gdicmn.h"
 
@@ -48,11 +44,20 @@ public:
     wxRegion(const wxRect& rect);
     wxRegion(WXHRGN hRegion); // Hangs on to this region
     wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour, int tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }
 
     virtual ~wxRegion();
 
     // Copying
-    wxRegion(const wxRegion& r)
+    wxRegion(const wxRegion& r) : wxGDIObject(r)
         { Ref(r); }
     wxRegion& operator = (const wxRegion& r)
         { Ref(r); return (*this); }
@@ -108,6 +113,19 @@ public:
     // Does the region contain the rectangle rect?
     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.  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, int tolerance = 0);
+
 // Internal
     bool Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op);
     bool Combine(const wxRegion& region, wxRegionOp op);
@@ -130,7 +148,7 @@ class WXDLLEXPORT wxRegionIterator : public wxObject
 public:
     wxRegionIterator() { Init(); }
     wxRegionIterator(const wxRegion& region);
-    wxRegionIterator(const wxRegionIterator& ri) { Init(); *this = ri; }
+    wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
 
     wxRegionIterator& operator=(const wxRegionIterator& ri);
 
@@ -166,7 +184,7 @@ private:
     wxRegion m_region;
     wxRect*  m_rects;
 
-    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator)
 };
 
 #endif