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make Scroll() itself virtual too as existing code might override it (but new code...
[wxWidgets.git] / include / wx / generic / region.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/generic/region.h
3// Purpose: generic wxRegion class
4// Author: David Elliott
5// Modified by:
6// Created: 2004/04/12
7// RCS-ID: $Id$
8// Copyright: (c) 2004 David Elliott
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_GENERIC_REGION_H__
13#define _WX_GENERIC_REGION_H__
14
15class WXDLLIMPEXP_CORE wxRegionGeneric : public wxRegionBase
16{
17public:
18 wxRegionGeneric(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
19 wxRegionGeneric(const wxPoint& topLeft, const wxPoint& bottomRight);
20 wxRegionGeneric(const wxRect& rect);
21 wxRegionGeneric();
22 virtual ~wxRegionGeneric();
23
24 // wxRegionBase pure virtuals
25 virtual void Clear();
26 virtual bool IsEmpty() const;
27
28protected:
29 virtual wxGDIRefData *CreateGDIRefData() const;
30 virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
31
32 // wxRegionBase pure virtuals
33 virtual bool DoIsEqual(const wxRegion& region) const;
34 virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
35 virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
36 virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
37
38 virtual bool DoOffset(wxCoord x, wxCoord y);
39 virtual bool DoUnionWithRect(const wxRect& rect);
40 virtual bool DoUnionWithRegion(const wxRegion& region);
41 virtual bool DoIntersect(const wxRegion& region);
42 virtual bool DoSubtract(const wxRegion& region);
43 virtual bool DoXor(const wxRegion& region);
44
45 friend class WXDLLIMPEXP_FWD_CORE wxRegionIteratorGeneric;
46};
47
48class WXDLLIMPEXP_CORE wxRegionIteratorGeneric : public wxObject
49{
50public:
51 wxRegionIteratorGeneric();
52 wxRegionIteratorGeneric(const wxRegionGeneric& region);
53 wxRegionIteratorGeneric(const wxRegionIteratorGeneric& iterator);
54 virtual ~wxRegionIteratorGeneric();
55
56 wxRegionIteratorGeneric& operator=(const wxRegionIteratorGeneric& iterator);
57
58 void Reset() { m_current = 0; }
59 void Reset(const wxRegionGeneric& region);
60
61 operator bool () const { return HaveRects(); }
62 bool HaveRects() const;
63
64 wxRegionIteratorGeneric& operator++();
65 wxRegionIteratorGeneric operator++(int);
66
67 long GetX() const;
68 long GetY() const;
69 long GetW() const;
70 long GetWidth() const { return GetW(); }
71 long GetH() const;
72 long GetHeight() const { return GetH(); }
73 wxRect GetRect() const;
74private:
75 long m_current;
76 wxRegionGeneric m_region;
77};
78
79#endif // _WX_GENERIC_REGION_H__