X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e1208c3103734c8581c9854c344b97323e381897..cafbad8f17e0c3f1f4453dfd098ac3fa09eaa4a0:/include/wx/gtk/region.h diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 7369192305..d98a1f9cff 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -30,13 +30,13 @@ class wxRegion; enum wxRegionContain { - wxOutRegion = 0, - wxPartRegion = 1, + wxOutRegion = 0, + wxPartRegion = 1, wxInRegion = 2 }; // So far, for internal use only -enum wxRegionOp +enum wxRegionOp { wxRGN_AND, // Creates the intersection of the two combined regions. wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1. @@ -45,29 +45,44 @@ enum wxRegionOp wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas. }; -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxRegion -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- class wxRegion : public wxGDIObject { public: - wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h ); - wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); - wxRegion( const wxRect& rect ); - wxRegion(); - ~wxRegion(); + wxRegion() { } + + wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) + { + InitRect(x, y, w, h); + } + + wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ) + { + InitRect(topLeft.x, topLeft.y, + bottomRight.x - topLeft.x, bottomRight.y - topLeft.y); + } + + wxRegion( const wxRect& rect ) + { + InitRect(rect.x, rect.y, rect.width, rect.height); + } + + wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE ); + virtual ~wxRegion(); - inline wxRegion( const wxRegion& r ): wxGDIObject() - { Ref(r); } - inline wxRegion& operator = ( const wxRegion& r ) - { Ref(r); return (*this); } + wxRegion( const wxRegion& r ) { Ref(r); } + wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; } bool operator == ( const wxRegion& region ); bool operator != ( const wxRegion& region ); void Clear(); + bool Offset( wxCoord x, wxCoord y ); + bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Union( const wxRect& rect ); bool Union( const wxRegion& region ); @@ -98,11 +113,22 @@ public: public: wxList *GetRectList() const; GdkRegion *GetRegion() const; - + +protected: + // 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 { public: @@ -124,7 +150,7 @@ public: wxCoord GetWidth() const { return GetW(); } wxCoord GetH() const; wxCoord GetHeight() const { return GetH(); } - wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } + wxRect GetRect() const; private: size_t m_current;