- ~wxRegion();
-
- //# Copying
- wxRegion(const wxRegion& r)
- : wxGDIObject()
- { Ref(r); }
- wxRegion& operator = (const wxRegion& r)
- { Ref(r); return (*this); }
-
- //# Modify region
- // Clear current region
- void Clear();
-
- // Union rectangle or region with this.
- bool Union(long x, long y, long width, long height)
- { return Combine(x, y, width, height, wxRGN_OR); }
- bool Union(const wxRect& rect)
- { return Combine(rect, wxRGN_OR); }
- bool Union(const wxRegion& region)
- { return Combine(region, wxRGN_OR); }
-
- // Intersect rectangle or region with this.
- bool Intersect(long x, long y, long width, long height)
- { return Combine(x, y, width, height, wxRGN_AND); }
- bool Intersect(const wxRect& rect)
- { return Combine(rect, wxRGN_AND); }
- bool Intersect(const wxRegion& region)
- { return Combine(region, wxRGN_AND); }
-
- // Subtract rectangle or region from this:
- // Combines the parts of 'this' that are not part of the second region.
- bool Subtract(long x, long y, long width, long height)
- { return Combine(x, y, width, height, wxRGN_DIFF); }
- bool Subtract(const wxRect& rect)
- { return Combine(rect, wxRGN_DIFF); }
- bool Subtract(const wxRegion& region)
- { return Combine(region, wxRGN_DIFF); }
-
- // XOR: the union of two combined regions except for any overlapping areas.
- bool Xor(long x, long y, long width, long height)
- { return Combine(x, y, width, height, wxRGN_XOR); }
- bool Xor(const wxRect& rect)
- { return Combine(rect, wxRGN_XOR); }
- bool Xor(const wxRegion& region)
- { return Combine(region, wxRGN_XOR); }
-
- //# Information on region
- // Outer bounds of region
- void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
- wxRect GetBox() const ;
-
- // Is region empty?
- bool Empty() const;
- inline bool IsEmpty() const { return Empty(); }
-
- //# Tests
- // Does the region contain the point (x,y)?
- wxRegionContain Contains(long x, long y) const;
- // Does the region contain the point pt?
- wxRegionContain Contains(const wxPoint& pt) const;
- // Does the region contain the rectangle (x, y, w, h)?
- wxRegionContain Contains(long x, long y, long w, long h) const;
- // 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. 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);