Prevent seg fault for older GTK+

[wxWidgets.git] / include / wx / mgl / region.h

diff --git a/include/wx/mgl/region.h b/include/wx/mgl/region.h
index 9064b15159e6f70010b52c5d3f64fa58988de76d..35f3137f340ebc01a751c7d728cb8a1d134470a0 100644 (file)
--- a/include/wx/mgl/region.h
+++ b/include/wx/mgl/region.h
@@ -1,124 +1,85 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        region.h
+// Name:        wx/mgl/region.h

 // Purpose:     wxRegion class
 // Author:      Vaclav Slavik
 // Created:     2001/03/12
 // RCS-ID:      $Id$
 // Purpose:     wxRegion class
 // Author:      Vaclav Slavik
 // Created:     2001/03/12
 // RCS-ID:      $Id$

-// Copyright:   (c) 2001 Vaclav Slavik
+// Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifndef _WX_REGION_H_
-#define _WX_REGION_H_
+#ifndef _WX_MGL_REGION_H_
+#define _WX_MGL_REGION_H_

 
 

-#ifdef __GNUG__
-#pragma interface "region.h"
-#endif
-
-#include "wx/list.h"
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"

 #include "wx/list.h"
 
 #include "wx/list.h"
 

-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;

 class MGLRegion;
 
 class MGLRegion;
 

-enum wxRegionContain 
-{
-    wxOutRegion = 0, 
-    wxPartRegion = 1, 
-    wxInRegion = 2
-};
-
-class WXDLLEXPORT wxRegion : public wxGDIObject 
+class WXDLLEXPORT wxRegion : public wxRegionBase

 {
 {

-    DECLARE_DYNAMIC_CLASS(wxRegion);
-    friend class WXDLLEXPORT wxRegionIterator;
-

 public:
 public:

+    wxRegion();

     wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion(const MGLRegion& region);
     wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion(const MGLRegion& region);

+    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;

 
 

-    wxRegion();
-    ~wxRegion();
-
-    //# Copying
-    inline wxRegion(const wxRegion& r)
-        { Ref(r); }
-    inline wxRegion& operator = (const wxRegion& r)
-        { Ref(r); return (*this); }
-
-    //# Modify region
-    // Clear current region
-    void Clear(void);
-
-    // Union rectangle or region with this.
-    bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    bool Union(const wxRect& rect) { return Union(rect.x, rect.y, rect.width, rect.height); }
-    bool Union(const wxRegion& region);
-
-    // Intersect rectangle or region with this.
-    bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    bool Intersect(const wxRect& rect) { return Intersect(rect.x, rect.y, rect.width, rect.height); }
-    bool Intersect(const wxRegion& region);
-
-    // Subtract rectangle or region from this:
-    // Combines the parts of 'this' that are not part of the second region.
-    bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    bool Subtract(const wxRect& rect) { return Subtract(rect.x, rect.y, rect.width, rect.height); }
-    bool Subtract(const wxRegion& region);
-
-    // XOR: the union of two combined regions except for any overlapping areas.
-    bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
-    bool Xor(const wxRect& rect) { return Xor(rect.x, rect.y, rect.width, rect.height); }
-    bool Xor(const wxRegion& region);
-
-    //# Information on region
-    // Outer bounds of region
-    void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
-    wxRect GetBox(void) const ;
-
-    // Is region empty?
-    bool Empty(void) const;
-    inline bool IsEmpty(void) const { return Empty(); }
-
-    //# Tests
-    // Does the region contain the point (x,y)?
-    wxRegionContain Contains(wxCoord x, wxCoord y) const;
-    // Does the region contain the point pt?
-    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;
-    

     // implementation from now on:
     const MGLRegion& GetMGLRegion() const;
     // implementation from now on:
     const MGLRegion& GetMGLRegion() 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);
+

 private:
 private:

-    void Unshare();
+    DECLARE_DYNAMIC_CLASS(wxRegion);
+    friend class WXDLLEXPORT wxRegionIterator;

 };
 
 
 WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
 
 };
 
 
 WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
 

-class WXDLLEXPORT wxRegionIterator : public wxObject 
+class WXDLLEXPORT wxRegionIterator : public wxObject

 {
 {

-    DECLARE_DYNAMIC_CLASS(wxRegionIterator);

 public:
     wxRegionIterator(void);
     wxRegionIterator(const wxRegion& region);
 public:
     wxRegionIterator(void);
     wxRegionIterator(const wxRegion& region);

-    ~wxRegionIterator(void);
+    virtual ~wxRegionIterator(void);

 
     void Reset(void) { m_currentNode = NULL; }
     void Reset(const wxRegion& region);
 
 
     void Reset(void) { m_currentNode = NULL; }
     void Reset(const wxRegion& region);
 

-#ifndef __SALFORDC__

     operator bool (void) const { return (m_currentNode != NULL); }
     operator bool (void) const { return (m_currentNode != NULL); }

-#endif

 
     bool HaveRects(void) const { return (m_currentNode != NULL); }
 
 
     bool HaveRects(void) const { return (m_currentNode != NULL); }
 


@@ -136,7 +97,8 @@ public:
 private:
     wxRegionRectList         m_rects;
     wxRegionRectList::Node  *m_currentNode;
 private:
     wxRegionRectList         m_rects;
     wxRegionRectList::Node  *m_currentNode;

+
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator);

 };
 
 };
 

-#endif
-    // _WX_REGION_H_
+#endif // _WX_MGL_REGION_H_