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