X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b02da6b18713d069cc9f4077f9b43df7a11bc7fb..eaefbb887c448d837b97857a097426e591bbc1d0:/include/wx/gtk/region.h?ds=sidebyside diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 0a88482937..5eec88fe82 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -1,16 +1,16 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: region.h +// Name: wx/gtk/region.h // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __REGIONH__ -#define __REGIONH__ +#ifndef _WX_GTK_REGION_H_ +#define _WX_GTK_REGION_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface #endif @@ -28,93 +28,154 @@ class wxRegion; // constants //----------------------------------------------------------------------------- -enum wxRegionContain +enum wxRegionContain { - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 + 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. +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 wxRegion : public wxGDIObject { - DECLARE_DYNAMIC_CLASS(wxRegion); - - public: - - wxRegion( long x, long y, long w, long h ); - wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); - wxRegion( const wxRect& rect ); - wxRegion(); +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, int fillStyle = wxODDEVEN_RULE ); + + wxRegion( const wxBitmap& bmp) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, 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 Union( long x, long y, long width, long height ); + 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 ); - bool Intersect( long x, long y, long width, long height ); + bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Intersect( const wxRect& rect ); bool Intersect( const wxRegion& region ); - bool Subtract( long x, long y, long width, long height ); + bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Subtract( const wxRect& rect ); bool Subtract( const wxRegion& region ); - bool Xor( long x, long y, long width, long height ); + bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Xor( const wxRect& rect ); bool Xor( const wxRegion& region ); - void GetBox( long& x, long& y, long&w, long &h ) const; + void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const; wxRect GetBox() const ; bool Empty() const; bool IsEmpty() const { return Empty(); } - wxRegionContain Contains( long x, long y ) const; - wxRegionContain Contains( long x, long y, long w, long h ) 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; - - public: - - wxList *GetRectList() 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: + // 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); }; -class wxRegionIterator: public wxObject +// ---------------------------------------------------------------------------- +// wxRegionIterator: decomposes a region into rectangles +// ---------------------------------------------------------------------------- + +class wxRegionIterator: public wxObject { public: wxRegionIterator(); wxRegionIterator(const wxRegion& region); - void Reset() { m_current = 0; } + 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; @@ -122,11 +183,11 @@ 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; + size_t m_current; + wxRegion m_region; private: DECLARE_DYNAMIC_CLASS(wxRegionIterator); @@ -134,4 +195,4 @@ private: #endif - // __REGIONH__ + // _WX_GTK_REGION_H_