Mercurial > hg > orthanc-stone
annotate Framework/Viewport/CairoContext.cpp @ 339:5a7915b23138 am-2
cont
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 19 Oct 2018 14:44:12 +0200 |
parents | 5412adf19980 |
children | ef31240a73f6 |
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 | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 8 * modify it under the terms of the GNU Affero General Public License |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
0 | 11 * |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #include "CairoContext.h" | |
23 | |
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24 #include <Core/Logging.h> |
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25 #include <Core/OrthancException.h> |
0 | 26 |
339 | 27 |
0 | 28 namespace OrthancStone |
29 { | |
339 | 30 CairoContext::CairoContext(CairoSurface& surface) : |
31 width_(surface.GetWidth()), | |
32 height_(surface.GetHeight()) | |
0 | 33 { |
34 context_ = cairo_create(surface.GetObject()); | |
35 if (!context_) | |
36 { | |
37 LOG(ERROR) << "Cannot create Cairo drawing context"; | |
38 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
39 } | |
40 } | |
41 | |
42 | |
43 CairoContext::~CairoContext() | |
44 { | |
45 if (context_ != NULL) | |
46 { | |
47 cairo_destroy(context_); | |
48 context_ = NULL; | |
49 } | |
50 } | |
51 | |
52 | |
53 void CairoContext::SetSourceColor(uint8_t red, | |
54 uint8_t green, | |
55 uint8_t blue) | |
56 { | |
57 cairo_set_source_rgb(context_, | |
58 static_cast<float>(red) / 255.0f, | |
59 static_cast<float>(green) / 255.0f, | |
60 static_cast<float>(blue) / 255.0f); | |
61 } | |
62 } |