#include "wx/list.h"
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
+#include "wx/bitmap.h"
+#include "wx/os2/private.h"
class WXDLLEXPORT wxRect;
class WXDLLEXPORT wxPoint;
class WXDLLEXPORT wxRegion : public wxGDIObject
{
-DECLARE_DYNAMIC_CLASS(wxRegion);
- friend class WXDLLEXPORT wxRegionIterator;
public:
wxRegion( wxCoord x
,wxCoord y
);
wxRegion(const wxRect& rRect);
wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region
+ wxRegion( const wxBitmap& bmp)
+ {
+ Union(bmp);
+ }
+ wxRegion( const wxBitmap& bmp,
+ const wxColour& transColour, int tolerance = 0)
+ {
+ Union(bmp, transColour, tolerance);
+ }
wxRegion();
~wxRegion();
- //
- // Copying
- //
- inline wxRegion(const wxRegion& rSrc)
- { Ref(rSrc); }
- inline wxRegion& operator = (const wxRegion& rSrc)
- { Ref(rSrc); return (*this); }
-
//
// Modify region
//
//
void Clear(void);
+ bool Offset( wxCoord x
+ ,wxCoord y
+ );
+
//
// Union rectangle or region with this.
//
wxRegionContain Contains( wxCoord lX
,wxCoord lY
) const;
+
+ //
+ // Convert the region to a B&W bitmap with the black pixels being inside
+ // the region.
+ //
+ wxBitmap ConvertToBitmap(void) 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);
+
//
// Does the region contain the point pt?
//
//
WXHRGN GetHRGN(void) const;
void SetPS(HPS hPS);
+
+protected:
+ virtual wxObjectRefData* CreateData(void) const;
+ virtual wxObjectRefData* CloneData(const wxObjectRefData* pData) const;
+
+ friend class WXDLLEXPORT wxRegionIterator;
+ DECLARE_DYNAMIC_CLASS(wxRegion);
+
}; // end of CLASS wxRegion
class WXDLLEXPORT wxRegionIterator : public wxObject