/////////////////////////////////////////////////////////////////////////////
-// Name: region.h
+// Name: wx/gtk/region.h
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __REGIONH__
-#define __REGIONH__
+#ifndef _WX_GTK_REGION_H_
+#define _WX_GTK_REGION_H_
-#ifdef __GNUG__
-#pragma interface
-#endif
+// ----------------------------------------------------------------------------
+// wxRegion
+// ----------------------------------------------------------------------------
-#include "wx/list.h"
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"
+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, int fillStyle = wxODDEVEN_RULE );
+
+ wxRegion( const wxBitmap& bmp)
+ {
+ Union(bmp);
+ }
+ wxRegion( const wxBitmap& bmp,
+ const wxColour& transColour, int tolerance = 0)
+ {
+ Union(bmp, transColour, tolerance);
+ }
+
+ 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:
+ // ref counting code
+ virtual wxObjectRefData *CreateRefData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *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)
+};
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------
-class wxRegion;
+class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject
+{
+public:
+ wxRegionIterator();
+ wxRegionIterator(const wxRegion& region);
+ wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+ ~wxRegionIterator();
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
+ wxRegionIterator& operator=(const wxRegionIterator& ri);
-enum wxRegionContain
-{
- wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
-};
+ void Reset() { m_current = 0u; }
+ void Reset(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.
-};
+ bool HaveRects() const;
+ operator bool () const { return HaveRects(); }
-//-----------------------------------------------------------------------------
-// wxRegion
-//-----------------------------------------------------------------------------
+ wxRegionIterator& operator ++ ();
+ wxRegionIterator operator ++ (int);
-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(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;
-
- public:
-
- GdkRegion *GetRegion(void) const;
+ 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 );
+
+ size_t m_current;
+ wxRegion m_region;
+
+ wxRect *m_rects;
+ size_t m_numRects;
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};
+
#endif
- // __REGIONH__
+ // _WX_GTK_REGION_H_
projects / wxWidgets.git / blobdiff