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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/os2/region.h | |
3 | // Purpose: wxRegion class | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 10/15/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_OS2_REGION_H_ | |
13 | #define _WX_OS2_REGION_H_ | |
14 | ||
15 | #include "wx/list.h" | |
16 | #include "wx/os2/private.h" | |
17 | ||
18 | class WXDLLEXPORT wxRegion : public wxRegionWithCombine | |
19 | { | |
20 | public: | |
21 | wxRegion( wxCoord x | |
22 | ,wxCoord y | |
23 | ,wxCoord vWidth | |
24 | ,wxCoord vHeight | |
25 | ); | |
26 | wxRegion( const wxPoint& rTopLeft | |
27 | ,const wxPoint& rBottomRight | |
28 | ); | |
29 | wxRegion(const wxRect& rRect); | |
30 | wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region | |
31 | wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE ); | |
32 | wxRegion( const wxBitmap& bmp) | |
33 | { | |
34 | Union(bmp); | |
35 | } | |
36 | wxRegion( const wxBitmap& bmp, | |
37 | const wxColour& transColour, int tolerance = 0) | |
38 | { | |
39 | Union(bmp, transColour, tolerance); | |
40 | } | |
41 | ||
42 | wxRegion(); | |
43 | virtual ~wxRegion(); | |
44 | ||
45 | // | |
46 | // Modify region | |
47 | // | |
48 | ||
49 | // | |
50 | // Clear current region | |
51 | // | |
52 | virtual void Clear(); | |
53 | ||
54 | // | |
55 | // Is region empty? | |
56 | // | |
57 | virtual bool IsEmpty() const; | |
58 | ||
59 | // | |
60 | // Get internal region handle | |
61 | // | |
62 | WXHRGN GetHRGN() const; | |
63 | ||
64 | void SetPS(HPS hPS); | |
65 | ||
66 | protected: | |
67 | virtual wxObjectRefData* CreateData(void) const; | |
68 | virtual wxObjectRefData* CloneData(const wxObjectRefData* pData) const; | |
69 | ||
70 | virtual bool DoIsEqual(const wxRegion& region) const; | |
71 | virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const; | |
72 | virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const; | |
73 | virtual wxRegionContain DoContainsRect(const wxRect& rect) const; | |
74 | ||
75 | virtual bool DoOffset(wxCoord x, wxCoord y); | |
76 | virtual bool DoCombine(const wxRegion& region, wxRegionOp op); | |
77 | ||
78 | friend class WXDLLEXPORT wxRegionIterator; | |
79 | DECLARE_DYNAMIC_CLASS(wxRegion); | |
80 | ||
81 | }; // end of CLASS wxRegion | |
82 | ||
83 | class WXDLLEXPORT wxRegionIterator : public wxObject | |
84 | { | |
85 | DECLARE_DYNAMIC_CLASS(wxRegionIterator); | |
86 | public: | |
87 | wxRegionIterator(); | |
88 | wxRegionIterator(const wxRegion& rRegion); | |
89 | virtual ~wxRegionIterator(); | |
90 | ||
91 | void Reset(void) { m_lCurrent = 0; } | |
92 | void Reset(const wxRegion& rRegion); | |
93 | ||
94 | operator bool (void) const { return m_lCurrent < m_lNumRects; } | |
95 | bool HaveRects(void) const { return m_lCurrent < m_lNumRects; } | |
96 | ||
97 | void operator ++ (void); | |
98 | void operator ++ (int); | |
99 | ||
100 | wxCoord GetX(void) const; | |
101 | wxCoord GetY(void) const; | |
102 | wxCoord GetW(void) const; | |
103 | wxCoord GetWidth(void) const { return GetW(); } | |
104 | wxCoord GetH(void) const; | |
105 | wxCoord GetHeight(void) const { return GetH(); } | |
106 | wxRect GetRect(void) const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } | |
107 | ||
108 | private: | |
109 | long m_lCurrent; | |
110 | long m_lNumRects; | |
111 | wxRegion m_vRegion; | |
112 | wxRect* m_pRects; | |
113 | }; // end of wxRegionIterator | |
114 | ||
115 | #endif // _WX_OS2_REGION_H_ |