1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
// Generated by gtkmmproc -- DO NOT MODIFY!
#include <gdkmm/region.h>
#include <gdkmm/private/region_p.h>
#include <gdk/gdkenumtypes.h>
// -*- c++ -*-
/* $Id$ */
/*
*
* Copyright 1998-2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gdk/gdkregion.h>
namespace Gdk
{
Region::Region(const Glib::ArrayHandle<Gdk::Point>& points, FillRule fill_rule)
:
// The dangerous-looking cast to GdkPoint* works, because Gdk::Point
// has only one member variable of type GdkPoint, and no vtable. Please
// don't copy this code, casts like that won't work with most other types.
gobject_ (gdk_region_polygon(
reinterpret_cast<GdkPoint*>(const_cast<Gdk::Point*>(points.data())),
points.size(), (GdkFillRule)(fill_rule)))
{}
Region::Region(const Rectangle& rectangle)
:
gobject_ (gdk_region_rectangle(const_cast<GdkRectangle*>(rectangle.gobj())))
{}
Glib::ArrayHandle<Rectangle> Region::get_rectangles() const
{
GdkRectangle* rectangles = 0;
int n_rectangles = 0;
gdk_region_get_rectangles(gobject_, &rectangles, &n_rectangles);
// The dangerous-looking cast to Rectangle* works, because Gdk::Rectangle
// has only one member variable of type GdkRectangle, and no vtable. Please
// don't copy this code, casts like that won't work with most other types.
return Glib::ArrayHandle<Rectangle>(
reinterpret_cast<Rectangle*>(rectangles), n_rectangles, Glib::OWNERSHIP_SHALLOW);
}
} // namespace Gdk
namespace
{
} // anonymous namespace
// static
GType Glib::Value<Gdk::FillRule>::value_type()
{
return gdk_fill_rule_get_type();
}
// static
GType Glib::Value<Gdk::OverlapType>::value_type()
{
return gdk_overlap_type_get_type();
}
namespace Glib
{
Gdk::Region wrap(GdkRegion* object, bool take_copy /* = false */)
{
return Gdk::Region(object, take_copy);
}
} // namespace Glib
namespace Gdk
{
Region::Region()
:
gobject_ (gdk_region_new())
{}
Region::Region(const Region& src)
:
gobject_ ((src.gobject_) ? gdk_region_copy(src.gobject_) : 0)
{}
Region::Region(GdkRegion* castitem, bool make_a_copy /* = false */)
{
if(!make_a_copy)
{
// It was given to us by a function which has already made a copy for us to keep.
gobject_ = castitem;
}
else
{
// We are probably getting it via direct access to a struct,
// so we can not just take it - we have to take a copy of it.
if(castitem)
gobject_ = gdk_region_copy(castitem);
else
gobject_ = 0;
}
}
Region& Region::operator=(const Region& src)
{
GdkRegion *const new_gobject = (src.gobject_) ? gdk_region_copy(src.gobject_) : 0;
if(gobject_)
gdk_region_destroy(gobject_);
gobject_ = new_gobject;
return *this;
}
Region::~Region()
{
if(gobject_)
gdk_region_destroy(gobject_);
}
GdkRegion* Region::gobj_copy() const
{
return gdk_region_copy(gobject_);
}
void Region::get_clipbox(const Rectangle& rectangle)
{
gdk_region_get_clipbox(gobj(), const_cast<GdkRectangle*>(rectangle.gobj()));
}
bool Region::empty()
{
return gdk_region_empty(gobj());
}
bool Region::point_in(int x, int y)
{
return gdk_region_point_in(gobj(), x, y);
}
OverlapType Region::rect_in(const Rectangle& rect)
{
return ((OverlapType)(gdk_region_rect_in(gobj(), const_cast<GdkRectangle*>(rect.gobj()))));
}
void Region::offset(int dx, int dy)
{
gdk_region_offset(gobj(), dx, dy);
}
void Region::shrink(int dx, int dy)
{
gdk_region_shrink(gobj(), dx, dy);
}
void Region::union_with_rect(const Rectangle& rect)
{
gdk_region_union_with_rect(gobj(), const_cast<GdkRectangle*>(rect.gobj()));
}
void Region::intersect(const Region& source2)
{
gdk_region_intersect(gobj(), const_cast<GdkRegion*>((source2).gobj()));
}
void Region::union_(const Region& source2)
{
gdk_region_union(gobj(), const_cast<GdkRegion*>((source2).gobj()));
}
void Region::subtract(const Region& source2)
{
gdk_region_subtract(gobj(), const_cast<GdkRegion*>((source2).gobj()));
}
void Region::xor_(const Region& source2)
{
gdk_region_xor(gobj(), const_cast<GdkRegion*>((source2).gobj()));
}
void Region::spans_intersect_foreach(GdkSpan* spans, int n_spans, bool sorted, GdkSpanFunc function, gpointer data)
{
gdk_region_spans_intersect_foreach(gobj(), spans, n_spans, static_cast<int>(sorted), function, data);
}
bool operator==(const Region& lhs, const Region& rhs)
{
return (gdk_region_equal(const_cast<GdkRegion*>(lhs.gobj()), const_cast<GdkRegion*>(rhs.gobj())) != 0);
}
bool operator!=(const Region& lhs, const Region& rhs)
{
return (gdk_region_equal(const_cast<GdkRegion*>(lhs.gobj()), const_cast<GdkRegion*>(rhs.gobj())) == 0);
}
} // namespace Gdk
|
