apply complete transforms (scroll window PrepareDC was not functioning properly)

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

diff --git a/include/wx/mgl/region.h b/include/wx/mgl/region.h
index 7bc3b81b4460d03ff829d7c21cb005238ff301c1..1bfd468fe5820738cc718dbdc52373ccf0e4c716 100644 (file)
--- a/include/wx/mgl/region.h
+++ b/include/wx/mgl/region.h
@@ -8,30 +8,17 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef _WX_REGION_H_
-#define _WX_REGION_H_
+#ifndef _WX_MGL_REGION_H_
+#define _WX_MGL_REGION_H_
 
 #include "wx/list.h"
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"
 
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;
 class MGLRegion;
 
-enum wxRegionContain
+class WXDLLEXPORT wxRegion : public wxRegionBase
 {
-    wxOutRegion = 0,
-    wxPartRegion = 1,
-    wxInRegion = 2
-};
-
-class WXDLLEXPORT wxRegion : public wxGDIObject
-{
-    DECLARE_DYNAMIC_CLASS(wxRegion);
-    friend class WXDLLEXPORT wxRegionIterator;
-
 public:
+    wxRegion();
     wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
@@ -46,68 +33,11 @@ public:
         Union(bmp, transColour, tolerance);
     }
 
-    wxRegion();
-    ~wxRegion();
-
-    //# Modify region
-    // Clear current region
-    void Clear(void);
-
-    bool Offset(wxCoord x, wxCoord y);
-
-    // 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;
-
-    // Convert the region to a B&W bitmap with the white pixels being inside
-    // the region.
-    wxBitmap ConvertToBitmap() const;
-
-    // Use the non-transparent pixels of a wxBitmap for the region to combine
-    // with this region.  First version takes transparency from bitmap's mask,
-    // second lets the user specify the colour to be treated as transparent
-    // along with an optional tolerance value.
-    // NOTE: implemented in common/rgncmn.cpp
-    bool Union(const wxBitmap& bmp);
-    bool Union(const wxBitmap& bmp,
-               const wxColour& transColour, int tolerance = 0);
+    virtual ~wxRegion();
 
+    // wxRegionBase methods
+    virtual void Clear();
+    virtual bool IsEmpty() const;
 
     // implementation from now on:
     const MGLRegion& GetMGLRegion() const;
@@ -116,6 +46,23 @@ 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:
+    DECLARE_DYNAMIC_CLASS(wxRegion);
+    friend class WXDLLEXPORT wxRegionIterator;
 };
 
 
@@ -123,18 +70,15 @@ WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
 
 class WXDLLEXPORT wxRegionIterator : public wxObject
 {
-    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
 public:
     wxRegionIterator(void);
     wxRegionIterator(const wxRegion& region);
-    ~wxRegionIterator(void);
+    virtual ~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); }
 
@@ -152,7 +96,8 @@ public:
 private:
     wxRegionRectList         m_rects;
     wxRegionRectList::Node  *m_currentNode;
+
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
 };
 
-#endif
-    // _WX_REGION_H_
+#endif // _WX_MGL_REGION_H_