X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e1208c3103734c8581c9854c344b97323e381897..11c5b47d9454915aa790ded6cf03613b9e2df12c:/include/wx/gtk1/region.h diff --git a/include/wx/gtk1/region.h b/include/wx/gtk1/region.h index 7369192305..90356ba2ea 100644 --- a/include/wx/gtk1/region.h +++ b/include/wx/gtk1/region.h @@ -10,7 +10,7 @@ #ifndef _WX_GTK_REGION_H_ #define _WX_GTK_REGION_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface #endif @@ -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 +45,56 @@ 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( 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, + const wxColour& transColour = wxNullColour, + int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + ~wxRegion(); - inline wxRegion( const wxRegion& r ): wxGDIObject() - { Ref(r); } - inline wxRegion& operator = ( const wxRegion& r ) - { Ref(r); return (*this); } + wxRegion( const wxRegion& region ) + : wxGDIObject() + { Ref(region); } + wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; } + + bool Ok() const { return m_refData != NULL; } bool operator == ( const wxRegion& region ); - bool operator != ( const wxRegion& region ); + bool operator != ( const wxRegion& region ) { 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 ); @@ -95,14 +122,42 @@ 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. 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); + + 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); + private: - DECLARE_DYNAMIC_CLASS(wxRegion); + DECLARE_DYNAMIC_CLASS(wxRegion); }; +// ---------------------------------------------------------------------------- +// wxRegionIterator: decomposes a region into rectangles +// ---------------------------------------------------------------------------- + class wxRegionIterator: public wxObject { public: @@ -112,11 +167,11 @@ 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; @@ -124,7 +179,7 @@ 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;