X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/58614078c466cffaf0e5d0369741706f130fb793..4b02d42e37a2fc25e16644e5276ac3df22cd1690:/include/wx/gtk/region.h diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 9ba3f50125..846f1946cf 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -1,133 +1,136 @@ ///////////////////////////////////////////////////////////////////////////// -// 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__ -#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( long x, long y, long w, long h ); - wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); - wxRegion( const wxRect& rect ); - wxRegion(void); - ~wxRegion(void); - - inline wxRegion( const wxRegion& r ) - { Ref(r); } - inline wxRegion& operator = ( const wxRegion& r ) - { Ref(r); return (*this); } - - void Clear(void); - - bool Union( long x, long y, long width, long height ); - bool Union( const wxRect& rect ); - bool Union( const wxRegion& region ); - - bool Intersect( long x, long y, long width, long height ); - bool Intersect( const wxRect& rect ); - bool Intersect( const wxRegion& region ); - - bool Subtract( long x, long y, long width, long height ); - bool Subtract( const wxRect& rect ); - bool Subtract( const wxRegion& region ); - - bool Xor( long x, long y, long width, long height ); - bool Xor( const wxRect& rect ); - bool Xor( const wxRegion& region ); - - void GetBox( long& x, long& y, long&w, long &h ) const; - wxRect GetBox(void) const ; - - bool Empty(void) const; - - wxRegionContain Contains( long x, long y ) const; - wxRegionContain Contains( long x, long y, long w, long h ) const; - wxRegionContain Contains(const wxPoint& pt) const; - wxRegionContain Contains(const wxRect& rect) const; - - public: - - wxList *GetRectList() const; - GdkRegion *GetRegion(void) const; +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 ); + +#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; + +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: + virtual wxGDIRefData *CreateGDIRefData() const; + virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const; + + // 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; + + 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); + + // 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 WXDLLIMPEXP_CORE wxRegionIterator: public wxObject { - DECLARE_DYNAMIC_CLASS(wxRegionIterator); - - public: - - wxRegionIterator(void); +public: + wxRegionIterator(); wxRegionIterator(const wxRegion& region); + wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; } + ~wxRegionIterator(); - void Reset(void) { m_current = 0; } + wxRegionIterator& operator=(const wxRegionIterator& ri); + + void Reset() { m_current = 0u; } void Reset(const wxRegion& region); - operator bool (void) const; - bool HaveRects(void) const; + bool HaveRects() const; + operator bool () const { return HaveRects(); } + + wxRegionIterator& operator ++ (); + wxRegionIterator 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; + +private: + void Init(); + void CreateRects( const wxRegion& r ); - void operator ++ (void); - void operator ++ (int); + size_t m_current; + wxRegion m_region; - long GetX(void) const; - long GetY(void) const; - long GetW(void) const; - long GetWidth(void) const { return GetW(); } - long GetH(void) const; - long GetHeight(void) const { return GetH(); } + wxRect *m_rects; + size_t m_numRects; - private: - - long m_current; - wxRegion m_region; +private: + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif - // __REGIONH__ + // _WX_GTK_REGION_H_