/////////////////////////////////////////////////////////////////////////////
-// Name: region.h
+// Name: wx/mgl/region.h
// Purpose: wxRegion class
// Author: Vaclav Slavik
// Created: 2001/03/12
// 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"
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;
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:
+ 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( const wxBitmap& bmp,
- const wxColour& transColour = wxNullColour,
- int tolerance = 0)
+ 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);
}
- 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);
-
- 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 black 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);
+ virtual ~wxRegion();
+ // wxRegionBase methods
+ virtual void Clear();
+ virtual bool IsEmpty() const;
// implementation from now on:
const MGLRegion& GetMGLRegion() const;
protected:
- // ref counting code
- virtual wxObjectRefData *CreateRefData() const;
- virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+ virtual wxGDIRefData *CreateGDIRefData() const;
+ virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *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 WXDLLIMPEXP_FWD_CORE wxRegionIterator;
};
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); }
private:
wxRegionRectList m_rects;
wxRegionRectList::Node *m_currentNode;
+
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator);
};
-#endif
- // _WX_REGION_H_
+#endif // _WX_MGL_REGION_H_
projects / wxWidgets.git / blobdiff