X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a24aff654fb10971e82abccc1b56217d556d447b..75d3838010e2d8a9592a4a016e2994f4f0d3070b:/include/wx/cocoa/region.h diff --git a/include/wx/cocoa/region.h b/include/wx/cocoa/region.h index 1d26425b96..3ecf89882f 100644 --- a/include/wx/cocoa/region.h +++ b/include/wx/cocoa/region.h @@ -40,23 +40,30 @@ class WXDLLEXPORT wxRegion : public wxGDIObject { DECLARE_DYNAMIC_CLASS(wxRegion); friend class WXDLLEXPORT wxRegionIterator; public: - wxRegion(long x, long y, long w, long h); + wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h); wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight); wxRegion(const wxRect& rect); wxRegion(); + wxRegion( const wxBitmap& bmp, + const wxColour& transColour = wxNullColour, + int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + ~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); } @@ -64,7 +71,7 @@ public: { 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); } @@ -72,7 +79,7 @@ public: { 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) @@ -81,7 +88,7 @@ public: { 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); } @@ -89,16 +96,16 @@ public: { 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; @@ -108,7 +115,20 @@ public: 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 black 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); + + // Internal bool Combine(long x, long y, long width, long height, wxRegionOp op); bool Combine(const wxRegion& region, wxRegionOp op); @@ -118,7 +138,7 @@ public: class WXDLLEXPORT wxRegionIterator : public wxObject { DECLARE_DYNAMIC_CLASS(wxRegionIterator) - + public: wxRegionIterator(); wxRegionIterator(const wxRegion& region); @@ -129,13 +149,13 @@ public: void Reset() { m_current = 0; } void Reset(const wxRegion& region); - + operator bool () const { return m_current < m_numRects; } bool HaveRects() const { return m_current < m_numRects; } wxRegionIterator& operator++(); wxRegionIterator operator++(int); - + long GetX() const; long GetY() const; long GetW() const;