pressing PageDown and then PageUp should return to the same item

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

diff --git a/include/wx/mgl/region.h b/include/wx/mgl/region.h
index 9064b15159e6f70010b52c5d3f64fa58988de76d..440d26c7f51af0129544bf391469eef1a8412d88 100644 (file)
--- a/include/wx/mgl/region.h
+++ b/include/wx/mgl/region.h
@@ -4,7 +4,7 @@
 // Author:      Vaclav Slavik
 // Created:     2001/03/12
 // RCS-ID:      $Id$
 // 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
 /////////////////////////////////////////////////////////////////////////////
 


@@ -24,14 +24,14 @@ class WXDLLEXPORT wxRect;
 class WXDLLEXPORT wxPoint;
 class MGLRegion;
 
 class WXDLLEXPORT wxPoint;
 class MGLRegion;
 

-enum wxRegionContain 
+enum wxRegionContain

 {
 {

-    wxOutRegion = 0, 
-    wxPartRegion = 1, 
+    wxOutRegion = 0,
+    wxPartRegion = 1,

     wxInRegion = 2
 };
 
     wxInRegion = 2
 };
 

-class WXDLLEXPORT wxRegion : public wxGDIObject 
+class WXDLLEXPORT wxRegion : public wxGDIObject

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


@@ -41,6 +41,12 @@ public:
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion(const MGLRegion& region);
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion(const MGLRegion& region);

+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour = wxNullColour,
+              int   tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }

 
     wxRegion();
     ~wxRegion();
 
     wxRegion();
     ~wxRegion();


@@ -55,6 +61,8 @@ public:
     // Clear current region
     void Clear(void);
 
     // 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); }
     // 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); }


@@ -94,18 +102,33 @@ public:
     wxRegionContain Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const;
     // Does the region contain the rectangle rect?
     wxRegionContain Contains(const wxRect& rect) const;
     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.  If the bitmap has a mask then it will be used,
+    // otherwise the colour to be treated as transparent may be specified,
+    // along with an optional tolerance value.
+    bool Union(const wxBitmap& bmp,
+               const wxColour& transColour = wxNullColour,
+               int   tolerance = 0);
+
+

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

-    
-private:
-    void Unshare();
+
+protected:
+    // ref counting code
+    virtual wxObjectRefData *CreateRefData() const;
+    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;

 };
 
 
 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:
 {
     DECLARE_DYNAMIC_CLASS(wxRegionIterator);
 public: