X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/738f9e5a12b8bb3936cc10347be98390602d3660..51623cc53f350935337e57930eaaf1afe9a48c3b:/include/wx/gtk/region.h diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index ac93125bd3..2069305b71 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -1,137 +1,139 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 +#ifdef __WXGTK3__ +typedef struct _cairo_region cairo_region_t; #endif -#include "wx/list.h" -#include "wx/gdiobj.h" -#include "wx/gdicmn.h" +// ---------------------------------------------------------------------------- +// wxRegion +// ---------------------------------------------------------------------------- -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- +class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase +{ +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; + +#ifdef __WXGTK3__ + cairo_region_t* GetRegion() const; +#else + wxRegion(const GdkRegion* region); + GdkRegion *GetRegion() const; +#endif -class wxRegion; +protected: + virtual wxGDIRefData *CreateGDIRefData() const; + virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const; -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- + // 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; -enum wxRegionContain -{ - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 -}; + 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); -// 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. -}; + // common part of ctors for a rectangle region + void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h); -//----------------------------------------------------------------------------- -// wxRegion -//----------------------------------------------------------------------------- - -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(); - ~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( 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() 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(const wxPoint& pt) const; - wxRegionContain Contains(const wxRect& rect) const; - - public: - - 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(); + + wxRegionIterator& operator=(const wxRegionIterator& ri); - 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); - long GetX() const; - long GetY() const; - long GetW() const; - long GetWidth() const { return GetW(); } - long GetH() const; - long GetHeight() const { return GetH(); } - wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } + 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: - long m_current; - wxRegion m_region; + void Init(); + void CreateRects( const wxRegion& r ); -private: - DECLARE_DYNAMIC_CLASS(wxRegionIterator); + wxRegion m_region; + wxRect *m_rects; + int m_numRects; + int m_current; + + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif - // __REGIONH__ + // _WX_GTK_REGION_H_