X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9fe4c99cc5e3cb63ae2fecfdb9e892781732cad6..c5ce3dfb1efd5346682809f3d2702fd9c4edd52d:/include/wx/gtk/region.h diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index d98a1f9cff..80eca89536 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -10,10 +10,6 @@ #ifndef _WX_GTK_REGION_H_ #define _WX_GTK_REGION_H_ -#ifdef __GNUG__ -#pragma interface -#endif - #include "wx/list.h" #include "wx/gdiobj.h" #include "wx/gdicmn.h" @@ -22,7 +18,7 @@ // classes //----------------------------------------------------------------------------- -class wxRegion; +class WXDLLIMPEXP_CORE wxRegion; //----------------------------------------------------------------------------- // constants @@ -49,7 +45,7 @@ enum wxRegionOp // wxRegion // ---------------------------------------------------------------------------- -class wxRegion : public wxGDIObject +class WXDLLIMPEXP_CORE wxRegion : public wxGDIObject { public: wxRegion() { } @@ -71,13 +67,23 @@ public: } wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE ); - virtual ~wxRegion(); - wxRegion( const wxRegion& r ) { Ref(r); } - wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; } + wxRegion( const wxBitmap& bmp) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + + ~wxRegion(); - bool operator == ( const wxRegion& region ); - bool operator != ( const wxRegion& region ); + bool Ok() const { return m_refData != NULL; } + + bool operator == ( const wxRegion& region ) const; + bool operator != ( const wxRegion& region ) const { return !(*this == region); } void Clear(); @@ -110,26 +116,44 @@ public: wxRegionContain Contains(const wxPoint& pt) const; 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); + + public: - wxList *GetRectList() const; + // Init with GdkRegion, set ref count to 2 so that + // the C++ class will not destroy the region! + wxRegion( GdkRegion *region ); + GdkRegion *GetRegion() const; protected: + // ref counting code + virtual wxObjectRefData *CreateRefData() const; + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; + // common part of ctors for a rectangle region void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h); - // helper of Intersect() - bool IntersectRegionOnly(const wxRegion& reg); - private: - DECLARE_DYNAMIC_CLASS(wxRegion); + DECLARE_DYNAMIC_CLASS(wxRegion) }; // ---------------------------------------------------------------------------- // wxRegionIterator: decomposes a region into rectangles // ---------------------------------------------------------------------------- -class wxRegionIterator: public wxObject +class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject { public: wxRegionIterator(); @@ -138,11 +162,11 @@ public: void Reset() { m_current = 0u; } void Reset(const wxRegion& region); - operator bool () const; bool HaveRects() const; + operator bool () const { return HaveRects(); } - void operator ++ (); - void operator ++ (int); + wxRegionIterator& operator ++ (); + wxRegionIterator operator ++ (int); wxCoord GetX() const; wxCoord GetY() const; @@ -157,7 +181,7 @@ private: wxRegion m_region; private: - DECLARE_DYNAMIC_CLASS(wxRegionIterator); + DECLARE_DYNAMIC_CLASS(wxRegionIterator) };