added more files (unchanged) from wxUniv branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mgl/region.h

@@ -0,0 +1,142 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        region.h
+// Purpose:     wxRegion class
+// Author:      Vaclav Slavik
+// Created:     2001/03/12
+// RCS-ID:      $Id$
+// Copyright:   (c) 2001 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_REGION_H_
+#define _WX_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"
+
+class WXDLLEXPORT wxRect;
+class WXDLLEXPORT wxPoint;
+class MGLRegion;
+
+enum wxRegionContain 
+{
+    wxOutRegion = 0, 
+    wxPartRegion = 1, 
+    wxInRegion = 2
+};
+
+class WXDLLEXPORT wxRegion : public wxGDIObject 
+{
+    DECLARE_DYNAMIC_CLASS(wxRegion);
+    friend class WXDLLEXPORT wxRegionIterator;
+
+public:
+    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();
+    ~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;
+    
+private:
+    void Unshare();
+};
+
+
+WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
+
+class WXDLLEXPORT wxRegionIterator : public wxObject 
+{
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+public:
+    wxRegionIterator(void);
+    wxRegionIterator(const wxRegion& region);
+    ~wxRegionIterator(void);
+
+    void Reset(void) { m_currentNode = NULL; }
+    void Reset(const wxRegion& region);
+
+#ifndef __SALFORDC__
+    operator bool (void) const { return (m_currentNode != NULL); }
+#endif
+
+    bool HaveRects(void) const { return (m_currentNode != NULL); }
+
+    void operator ++ (void);
+    void operator ++ (int);
+
+    wxCoord GetX(void) const;
+    wxCoord GetY(void) const;
+    wxCoord GetW(void) const;
+    wxCoord GetWidth(void) const { return GetW(); }
+    wxCoord GetH(void) const;
+    wxCoord GetHeight(void) const { return GetH(); }
+    wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
+
+private:
+    wxRegionRectList         m_rects;
+    wxRegionRectList::Node  *m_currentNode;
+};
+
+#endif
+    // _WX_REGION_H_