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comparison Framework/Viewport/CairoSurface.h @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children ff1e935768e7
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-1:000000000000 0:351ab0da0150
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include "../Orthanc/Core/Images/ImageAccessor.h"
36
37 #include <boost/noncopyable.hpp>
38 #include <cairo.h>
39
40 namespace OrthancStone
41 {
42 class CairoSurface : public boost::noncopyable
43 {
44 private:
45 cairo_surface_t* surface_;
46 unsigned int width_;
47 unsigned int height_;
48 unsigned int pitch_;
49 void* buffer_;
50
51 void Release();
52
53 void Allocate(unsigned int width,
54 unsigned int height);
55
56 public:
57 CairoSurface() :
58 surface_(NULL)
59 {
60 Allocate(0, 0);
61 }
62
63 CairoSurface(unsigned int width,
64 unsigned int height) :
65 surface_(NULL)
66 {
67 Allocate(width, height);
68 }
69
70 CairoSurface(Orthanc::ImageAccessor& accessor);
71
72 ~CairoSurface()
73 {
74 Release();
75 }
76
77 void SetSize(unsigned int width,
78 unsigned int height);
79
80 void Copy(const CairoSurface& other);
81
82 unsigned int GetWidth() const
83 {
84 return width_;
85 }
86
87 unsigned int GetHeight() const
88 {
89 return height_;
90 }
91
92 unsigned int GetPitch() const
93 {
94 return pitch_;
95 }
96
97 const void* GetBuffer() const
98 {
99 return buffer_;
100 }
101
102 void* GetBuffer()
103 {
104 return buffer_;
105 }
106
107 cairo_surface_t* GetObject()
108 {
109 return surface_;
110 }
111
112 Orthanc::ImageAccessor GetConstAccessor() const;
113
114 Orthanc::ImageAccessor GetAccessor();
115 };
116 }