X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5fc7ede910768d418a0b436e0046300712304d3b..a516284f67e1910fc6dc5364b289340332d0d35f:/include/wx/gtk/region.h?ds=sidebyside diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 457ecbd4dd..9fbbba8ea2 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -10,111 +10,105 @@ #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 { -wxRGN_AND, // Creates the intersection of the two combined regions. -wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1. -wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2. -wxRGN_OR, // Creates the union of two combined regions. -wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas. -}; - -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxRegion -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- -class wxRegion : public wxGDIObject +class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase { - DECLARE_DYNAMIC_CLASS(wxRegion); - - public: - - wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h ); - wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); - wxRegion( const wxRect& rect ); - wxRegion(); - ~wxRegion(); - - inline wxRegion( const wxRegion& r ): wxGDIObject() - { Ref(r); } - inline wxRegion& operator = ( const wxRegion& r ) - { Ref(r); return (*this); } - - bool operator == ( const wxRegion& region ); - bool operator != ( const wxRegion& region ); - - void Clear(); - - bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); - bool Union( const wxRect& rect ); - bool Union( const wxRegion& region ); - - bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); - bool Intersect( const wxRect& rect ); - bool Intersect( const wxRegion& region ); +public: + 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, + wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); + +#if wxUSE_IMAGE + wxRegion( const wxBitmap& bmp) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } +#endif // wxUSE_IMAGE + + virtual ~wxRegion(); + + // wxRegionBase methods + virtual void Clear(); + virtual bool IsEmpty() const; - bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); - bool Subtract( const wxRect& rect ); - bool Subtract( const wxRegion& region ); +public: + // Init with GdkRegion, set ref count to 2 so that + // the C++ class will not destroy the region! + wxRegion( GdkRegion *region ); - bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); - bool Xor( const wxRect& rect ); - bool Xor( const wxRegion& region ); + GdkRegion *GetRegion() const; - void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const; - wxRect GetBox() const ; +protected: + virtual wxGDIRefData *CreateGDIRefData() const; + virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const; - bool Empty() const; - bool IsEmpty() const { return Empty(); } + // wxRegionBase pure virtuals + virtual bool DoIsEqual(const wxRegion& region) const; + virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; + virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; + virtual wxRegionContain DoContainsRect(const wxRect& rect) const; - wxRegionContain Contains( wxCoord x, wxCoord y ) const; - wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const; - wxRegionContain Contains(const wxPoint& pt) const; - wxRegionContain Contains(const wxRect& rect) const; + virtual bool DoOffset(wxCoord x, wxCoord y); + virtual bool DoUnionWithRect(const wxRect& rect); + virtual bool DoUnionWithRegion(const wxRegion& region); + virtual bool DoIntersect(const wxRegion& region); + virtual bool DoSubtract(const wxRegion& region); + virtual bool DoXor(const wxRegion& region); - public: + // common part of ctors for a rectangle region + void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h); - wxList *GetRectList() const; - GdkRegion *GetRegion() const; +private: + DECLARE_DYNAMIC_CLASS(wxRegion) }; -class wxRegionIterator: public wxObject +// ---------------------------------------------------------------------------- +// wxRegionIterator: decomposes a region into rectangles +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject { public: wxRegionIterator(); wxRegionIterator(const wxRegion& region); + wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; } + ~wxRegionIterator(); - void Reset() { m_current = 0; } + wxRegionIterator& operator=(const wxRegionIterator& ri); + + 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; @@ -122,14 +116,20 @@ 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: - long m_current; - wxRegion m_region; + void Init(); + void CreateRects( const wxRegion& r ); + + size_t m_current; + wxRegion m_region; + + wxRect *m_rects; + size_t m_numRects; private: - DECLARE_DYNAMIC_CLASS(wxRegionIterator); + DECLARE_DYNAMIC_CLASS(wxRegionIterator) };