Mercurial > hg > orthanc-stone
annotate Framework/Viewport/CairoContext.cpp @ 45:ecd96e563929 wasm
new wasm branch
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 19 Apr 2017 10:28:08 +0200 |
parents | 7207a407bcd8 |
children | 28956ed68280 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
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5 * Copyright (C) 2017 Osimis, Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "CairoContext.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/Logging.h" |
37 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
0 | 38 |
39 namespace OrthancStone | |
40 { | |
41 CairoContext::CairoContext(CairoSurface& surface) | |
42 { | |
43 context_ = cairo_create(surface.GetObject()); | |
44 if (!context_) | |
45 { | |
46 LOG(ERROR) << "Cannot create Cairo drawing context"; | |
47 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
48 } | |
49 } | |
50 | |
51 | |
52 CairoContext::~CairoContext() | |
53 { | |
54 if (context_ != NULL) | |
55 { | |
56 cairo_destroy(context_); | |
57 context_ = NULL; | |
58 } | |
59 } | |
60 | |
61 | |
62 void CairoContext::SetSourceColor(uint8_t red, | |
63 uint8_t green, | |
64 uint8_t blue) | |
65 { | |
66 cairo_set_source_rgb(context_, | |
67 static_cast<float>(red) / 255.0f, | |
68 static_cast<float>(green) / 255.0f, | |
69 static_cast<float>(blue) / 255.0f); | |
70 } | |
71 } |