// 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
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_REGION_H_
#define _WX_REGION_H_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "region.h"
#endif
class WXDLLEXPORT wxPoint;
class MGLRegion;
-enum wxRegionContain
+enum wxRegionContain
{
- wxOutRegion = 0,
- wxPartRegion = 1,
+ wxOutRegion = 0,
+ wxPartRegion = 1,
wxInRegion = 2
};
-class WXDLLEXPORT wxRegion : public wxGDIObject
+class WXDLLEXPORT wxRegion : public wxGDIObject
{
DECLARE_DYNAMIC_CLASS(wxRegion);
friend class WXDLLEXPORT wxRegionIterator;
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();
// 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); }
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;
-
-private:
- void Unshare();
+
+protected:
+ // ref counting code
+ virtual wxObjectRefData *CreateRefData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
};
WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
-class WXDLLEXPORT wxRegionIterator : public wxObject
+class WXDLLEXPORT wxRegionIterator : public wxObject
{
DECLARE_DYNAMIC_CLASS(wxRegionIterator);
public: