]> git.saurik.com Git - wxWidgets.git/blob - include/wx/gtk/region.h
Include gdk/gdkkeysyms-compat.h.
[wxWidgets.git] / include / wx / gtk / region.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk/region.h
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifndef _WX_GTK_REGION_H_
11 #define _WX_GTK_REGION_H_
12
13 // ----------------------------------------------------------------------------
14 // wxRegion
15 // ----------------------------------------------------------------------------
16
17 class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
18 {
19 public:
20 wxRegion() { }
21
22 wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
23 {
24 InitRect(x, y, w, h);
25 }
26
27 wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
28 {
29 InitRect(topLeft.x, topLeft.y,
30 bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
31 }
32
33 wxRegion( const wxRect& rect )
34 {
35 InitRect(rect.x, rect.y, rect.width, rect.height);
36 }
37
38 wxRegion( size_t n, const wxPoint *points,
39 wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
40
41 #if wxUSE_IMAGE
42 wxRegion( const wxBitmap& bmp)
43 {
44 Union(bmp);
45 }
46 wxRegion( const wxBitmap& bmp,
47 const wxColour& transColour, int tolerance = 0)
48 {
49 Union(bmp, transColour, tolerance);
50 }
51 #endif // wxUSE_IMAGE
52
53 virtual ~wxRegion();
54
55 // wxRegionBase methods
56 virtual void Clear();
57 virtual bool IsEmpty() const;
58
59 public:
60 // Init with GdkRegion, set ref count to 2 so that
61 // the C++ class will not destroy the region!
62 wxRegion( GdkRegion *region );
63
64 GdkRegion *GetRegion() const;
65
66 protected:
67 virtual wxGDIRefData *CreateGDIRefData() const;
68 virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
69
70 // wxRegionBase pure virtuals
71 virtual bool DoIsEqual(const wxRegion& region) const;
72 virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
73 virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
74 virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
75
76 virtual bool DoOffset(wxCoord x, wxCoord y);
77 virtual bool DoUnionWithRect(const wxRect& rect);
78 virtual bool DoUnionWithRegion(const wxRegion& region);
79 virtual bool DoIntersect(const wxRegion& region);
80 virtual bool DoSubtract(const wxRegion& region);
81 virtual bool DoXor(const wxRegion& region);
82
83 // common part of ctors for a rectangle region
84 void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
85
86 private:
87 DECLARE_DYNAMIC_CLASS(wxRegion)
88 };
89
90 // ----------------------------------------------------------------------------
91 // wxRegionIterator: decomposes a region into rectangles
92 // ----------------------------------------------------------------------------
93
94 class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject
95 {
96 public:
97 wxRegionIterator();
98 wxRegionIterator(const wxRegion& region);
99 wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
100 ~wxRegionIterator();
101
102 wxRegionIterator& operator=(const wxRegionIterator& ri);
103
104 void Reset() { m_current = 0u; }
105 void Reset(const wxRegion& region);
106
107 bool HaveRects() const;
108 operator bool () const { return HaveRects(); }
109
110 wxRegionIterator& operator ++ ();
111 wxRegionIterator operator ++ (int);
112
113 wxCoord GetX() const;
114 wxCoord GetY() const;
115 wxCoord GetW() const;
116 wxCoord GetWidth() const { return GetW(); }
117 wxCoord GetH() const;
118 wxCoord GetHeight() const { return GetH(); }
119 wxRect GetRect() const;
120
121 private:
122 void Init();
123 void CreateRects( const wxRegion& r );
124
125 size_t m_current;
126 wxRegion m_region;
127
128 wxRect *m_rects;
129 size_t m_numRects;
130
131 private:
132 DECLARE_DYNAMIC_CLASS(wxRegionIterator)
133 };
134
135
136 #endif
137 // _WX_GTK_REGION_H_