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fixed make install and make base for wxBase
[wxWidgets.git] / include / wx / x11 / region.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: region.h
3// Purpose: wxRegion class
4// Author: Julian Smart
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
1934d291 8// Copyright: (c) Julian Smart, Robert Roebling
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9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_REGION_H_
13#define _WX_REGION_H_
14
15#ifdef __GNUG__
16#pragma interface "region.h"
17#endif
18
19#include "wx/list.h"
20#include "wx/gdiobj.h"
21#include "wx/gdicmn.h"
22
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23//-----------------------------------------------------------------------------
24// classes
25//-----------------------------------------------------------------------------
83df96d6 26
1934d291 27class wxRegion;
83df96d6 28
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29//-----------------------------------------------------------------------------
30// constants
31//-----------------------------------------------------------------------------
83df96d6 32
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33enum wxRegionContain
34{
35 wxOutRegion = 0,
36 wxPartRegion = 1,
37 wxInRegion = 2
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38};
39
40// So far, for internal use only
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41enum wxRegionOp
42{
43 wxRGN_AND, // Creates the intersection of the two combined regions.
44 wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1.
45 wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
46 wxRGN_OR, // Creates the union of two combined regions.
47 wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
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48};
49
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50// ----------------------------------------------------------------------------
51// wxRegion
52// ----------------------------------------------------------------------------
53
54class wxRegion : public wxGDIObject
55{
83df96d6 56public:
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57 wxRegion() { }
58
59 wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
60 {
61 InitRect(x, y, w, h);
62 }
63
64 wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
65 {
66 InitRect(topLeft.x, topLeft.y,
67 bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
68 }
69
70 wxRegion( const wxRect& rect )
71 {
72 InitRect(rect.x, rect.y, rect.width, rect.height);
73 }
74
75 wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
83df96d6 76 ~wxRegion();
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77
78 wxRegion( const wxRegion& region ) { Ref(region); }
79 wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; }
80
81 bool Ok() const { return m_refData != NULL; }
82
83 bool operator == ( const wxRegion& region );
84 bool operator != ( const wxRegion& region ) { return !(*this == region); }
85
83df96d6 86 void Clear();
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87
88 bool Offset( wxCoord x, wxCoord y );
89
90 bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
91 bool Union( const wxRect& rect );
92 bool Union( const wxRegion& region );
93
94 bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
95 bool Intersect( const wxRect& rect );
96 bool Intersect( const wxRegion& region );
97
98 bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
99 bool Subtract( const wxRect& rect );
100 bool Subtract( const wxRegion& region );
101
102 bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
103 bool Xor( const wxRect& rect );
104 bool Xor( const wxRegion& region );
105
106 void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const;
83df96d6 107 wxRect GetBox() const ;
1934d291 108
83df96d6 109 bool Empty() const;
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110 bool IsEmpty() const { return Empty(); }
111
112 wxRegionContain Contains( wxCoord x, wxCoord y ) const;
113 wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const;
83df96d6 114 wxRegionContain Contains(const wxPoint& pt) const;
83df96d6 115 wxRegionContain Contains(const wxRect& rect) const;
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116
117public:
118 WXRegion *GetX11Region() const;
119
120protected:
121 // ref counting code
122 virtual wxObjectRefData *CreateRefData() const;
123 virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
83df96d6 124
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125 // common part of ctors for a rectangle region
126 void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
127
128private:
129 DECLARE_DYNAMIC_CLASS(wxRegion);
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130};
131
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132// ----------------------------------------------------------------------------
133// wxRegionIterator: decomposes a region into rectangles
134// ----------------------------------------------------------------------------
135
136class wxRegionIterator: public wxObject
137{
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138public:
139 wxRegionIterator();
140 wxRegionIterator(const wxRegion& region);
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141
142 void Reset() { m_current = 0u; }
83df96d6 143 void Reset(const wxRegion& region);
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144
145 operator bool () const;
146 bool HaveRects() const;
147
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148 void operator ++ ();
149 void operator ++ (int);
1934d291 150
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151 wxCoord GetX() const;
152 wxCoord GetY() const;
153 wxCoord GetW() const;
154 wxCoord GetWidth() const { return GetW(); }
155 wxCoord GetH() const;
156 wxCoord GetHeight() const { return GetH(); }
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157 wxRect GetRect() const;
158
83df96d6 159private:
1934d291 160 size_t m_current;
83df96d6 161 wxRegion m_region;
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162
163private:
164 DECLARE_DYNAMIC_CLASS(wxRegionIterator);
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165};
166
167#endif
168// _WX_REGION_H_