X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/83df96d63a52ebb08b9e32549dc255354b4a18d0..254fbd140e67b60f46d7380c6ac242110ddd7585:/include/wx/x11/region.h diff --git a/include/wx/x11/region.h b/include/wx/x11/region.h index 052eb872f7..c9ff21e4b4 100644 --- a/include/wx/x11/region.h +++ b/include/wx/x11/region.h @@ -5,14 +5,14 @@ // Modified by: // Created: 17/09/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart +// Copyright: (c) Julian Smart, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_REGION_H_ #define _WX_REGION_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "region.h" #endif @@ -20,135 +20,173 @@ #include "wx/gdiobj.h" #include "wx/gdicmn.h" -// ---------------------------------------------------------------------------- -// A list of rectangles type used by wxRegion and wxWindow -// ---------------------------------------------------------------------------- +//----------------------------------------------------------------------------- +// classes +//----------------------------------------------------------------------------- -WX_DECLARE_LIST(wxRect, wxRectList); +class wxRegion; +//----------------------------------------------------------------------------- +// constants +//----------------------------------------------------------------------------- -enum wxRegionContain { - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 +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. +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. }; -class WXDLLEXPORT wxRegion : public wxGDIObject { - DECLARE_DYNAMIC_CLASS(wxRegion) - friend class WXDLLEXPORT wxRegionIterator; +// ---------------------------------------------------------------------------- +// 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) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + ~wxRegion(); - - //# Copying - inline wxRegion(const wxRegion& r) - { Ref(r); } - inline wxRegion& operator = (const wxRegion& r) - { Ref(r); return (*this); } - - //# Modify region - // Clear current region + + wxRegion( const wxRegion& region ) { 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 ) { return !(*this == region); } + void Clear(); - - // Union rectangle or region with this. - inline bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_OR); } - inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); } - inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); } - - // Intersect rectangle or region with this. - inline bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_AND); } - inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); } - inline bool Intersect(const wxRegion& region) { return Combine(region, wxRGN_AND); } - - // Subtract rectangle or region from this: - // Combines the parts of 'this' that are not part of the second region. - inline bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_DIFF); } - inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); } - inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); } - - // XOR: the union of two combined regions except for any overlapping areas. - inline bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_XOR); } - inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); } - inline bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); } - - //# Information on region - // Outer bounds of region - void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const; + + 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( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); + bool Intersect( const wxRect& rect ); + bool Intersect( const wxRegion& region ); + + bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); + bool Subtract( const wxRect& rect ); + bool Subtract( const wxRegion& region ); + + bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); + bool Xor( const wxRect& rect ); + bool Xor( const wxRegion& region ); + + void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const; wxRect GetBox() const ; - - // Is region empty? + bool Empty() const; - inline bool IsEmpty() const { return Empty(); } - bool Ok() const { return (m_refData != NULL) ; } - - //# Tests - // Does the region contain the point (x,y)? - wxRegionContain Contains(wxCoord x, wxCoord y) const; - // Does the region contain the point pt? + bool IsEmpty() const { return Empty(); } + + wxRegionContain Contains( wxCoord x, wxCoord y ) const; + wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const; wxRegionContain Contains(const wxPoint& pt) const; - // Does the region contain the rectangle (x, y, w, h)? - wxRegionContain Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const; - // Does the region contain the rectangle rect? wxRegionContain Contains(const wxRect& rect) const; - - // Internal - bool Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op); - bool Combine(const wxRegion& region, wxRegionOp op); - bool Combine(const wxRect& rect, wxRegionOp op); - - // Get the internal Region handle - WXRegion GetXRegion() const; - - // 'Naughty' functions that allow wxWindows to use a list of rects - // instead of the region, in certain circumstances (e.g. when - // making a region out of the update rectangles). - // These are used by wxPaintDC::wxPaintDC and wxRegionIterator::Reset. - bool UsingRects() const; - wxRect* GetRects(); - int GetRectCount() const; - void SetRects(const wxRectList& rectList); - void SetRects(int count, const wxRect* rects); + + // 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: + WXRegion *GetX11Region() 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 WXDLLEXPORT wxRegionIterator : public wxObject { - DECLARE_DYNAMIC_CLASS(wxRegionIterator) +// ---------------------------------------------------------------------------- +// wxRegionIterator: decomposes a region into rectangles +// ---------------------------------------------------------------------------- + +class wxRegionIterator: public wxObject +{ public: wxRegionIterator(); wxRegionIterator(const wxRegion& region); - ~wxRegionIterator(); - - void Reset() { m_current = 0; } + + void Reset() { m_current = 0u; } void Reset(const wxRegion& region); - - operator bool () const { return m_current < m_numRects; } - bool HaveRects() const { return m_current < m_numRects; } - + + operator bool () const; + bool HaveRects() const; + void operator ++ (); void operator ++ (int); - + wxCoord GetX() const; wxCoord GetY() const; wxCoord GetW() const; 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; - size_t m_numRects; + size_t m_current; wxRegion m_region; - wxRect* m_rects; + +private: + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif