Mercurial > hg > orthanc-stone
comparison Framework/Viewport/CairoSurface.h @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
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children | ff1e935768e7 |
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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 } |