X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e6feb95a79834836e88143b15d9f424ebe79621..2d6dd9c09e7084d402fc923d2f09d8b7158a1a04:/include/wx/gtk/region.h diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 5e1a904955..50aa865bd3 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -10,31 +10,13 @@ #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" -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- - -class wxRegion; - //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- -enum wxRegionContain -{ - wxOutRegion = 0, - wxPartRegion = 1, - wxInRegion = 2 -}; - // So far, for internal use only enum wxRegionOp { @@ -49,23 +31,50 @@ enum wxRegionOp // wxRegion // ---------------------------------------------------------------------------- -class wxRegion : public wxGDIObject +class WXDLLIMPEXP_CORE 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( 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 ); + + wxRegion( const wxBitmap& bmp) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + virtual ~wxRegion(); - wxRegion( const wxRegion& r ) { Ref(r); } - wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; } + bool Ok() const { return m_refData != NULL; } - bool operator == ( const wxRegion& region ); - bool operator != ( const wxRegion& region ); + bool operator == ( const wxRegion& region ) const; + bool operator != ( const wxRegion& region ) const { return !(*this == 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 ); @@ -93,26 +102,44 @@ 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: - // helper of Intersect() - bool IntersectRegionOnly(const wxRegion& reg); + // ref counting code + virtual wxObjectRefData *CreateRefData() const; + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; - // call this before modifying the region - void Unshare(); + // common part of ctors for a rectangle region + void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h); 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(); @@ -121,11 +148,11 @@ 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; @@ -140,7 +167,7 @@ private: wxRegion m_region; private: - DECLARE_DYNAMIC_CLASS(wxRegionIterator); + DECLARE_DYNAMIC_CLASS(wxRegionIterator) };