1/////////////////////////////////////////////////////////////////////////////
2// Name:        wx/palmos/region.h
3// Purpose:     wxRegion class
4// Author:      Julian Smart
5// Modified by:
6// Created:     01/02/97
7// RCS-ID:      $Id: region.h 41460 2006-09-26 12:20:32Z ABX $
8// Copyright:   (c) 1997-2002 wxWidgets team
9// Licence:     wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_PALMOS_REGION_H_
13#define _WX_PALMOS_REGION_H_
14
15class WXDLLEXPORT wxRegion : public wxRegionWithCombine
16{
17public:
18    wxRegion();
19    wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
20    wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
21    wxRegion(const wxRect& rect);
22    wxRegion(WXHRGN hRegion); // Hangs on to this region
23    wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
24
25#if wxUSE_IMAGE
26    wxRegion( const wxBitmap& bmp)
27    {
28        Union(bmp);
29    }
30    wxRegion( const wxBitmap& bmp,
31              const wxColour& transColour, int tolerance = 0)
32    {
33        Union(bmp, transColour, tolerance);
34    }
35#endif
36
37    virtual ~wxRegion();
38
39    // wxRegionBase methods
40    virtual void Clear();
41    virtual bool IsEmpty() const;
42
43    // Get internal region handle
44    WXHRGN GetHRGN() const;
45
46protected:
47    virtual wxObjectRefData *CreateRefData() const;
48    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
49
50    virtual bool DoIsEqual(const wxRegion& region) const;
51    virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
52    virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
53    virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
54
55    virtual bool DoOffset(wxCoord x, wxCoord y);
56    virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
57
58    friend class WXDLLEXPORT wxRegionIterator;
59
60    DECLARE_DYNAMIC_CLASS(wxRegion)
61};
62
63class WXDLLEXPORT wxRegionIterator : public wxObject
64{
65public:
66    wxRegionIterator() { Init(); }
67    wxRegionIterator(const wxRegion& region);
68    wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
69
70    wxRegionIterator& operator=(const wxRegionIterator& ri);
71
72    virtual ~wxRegionIterator();
73
74    void Reset() { m_current = 0; }
75    void Reset(const wxRegion& region);
76
77    bool HaveRects() const { return (m_current < m_numRects); }
78
79    operator bool () const { return HaveRects(); }
80
81    wxRegionIterator& operator++();
82    wxRegionIterator operator++(int);
83
84    wxCoord GetX() const;
85    wxCoord GetY() const;
86    wxCoord GetW() const;
87    wxCoord GetWidth() const { return GetW(); }
88    wxCoord GetH() const;
89    wxCoord GetHeight() const { return GetH(); }
90
91    wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
92
93private:
94    // common part of all ctors
95    void Init();
96
97    long     m_current;
98    long     m_numRects;
99    wxRegion m_region;
100    wxRect*  m_rects;
101
102    DECLARE_DYNAMIC_CLASS(wxRegionIterator)
103};
104
105#endif // _WX_PALMOS_REGION_H_
106