Mercurial > hg > orthanc-stone
annotate Framework/Viewport/CairoContext.cpp @ 47:28956ed68280
agpl license
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:00:15 +0200 |
| parents | 7207a407bcd8 |
| children | 2eca030792aa 4cff7b1ed31d |
| rev | line source |
|---|---|
| 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:
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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 | |
| 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 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Logging.h" |
| 25 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 0 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 CairoContext::CairoContext(CairoSurface& surface) | |
| 30 { | |
| 31 context_ = cairo_create(surface.GetObject()); | |
| 32 if (!context_) | |
| 33 { | |
| 34 LOG(ERROR) << "Cannot create Cairo drawing context"; | |
| 35 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 | |
| 40 CairoContext::~CairoContext() | |
| 41 { | |
| 42 if (context_ != NULL) | |
| 43 { | |
| 44 cairo_destroy(context_); | |
| 45 context_ = NULL; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 | |
| 50 void CairoContext::SetSourceColor(uint8_t red, | |
| 51 uint8_t green, | |
| 52 uint8_t blue) | |
| 53 { | |
| 54 cairo_set_source_rgb(context_, | |
| 55 static_cast<float>(red) / 255.0f, | |
| 56 static_cast<float>(green) / 255.0f, | |
| 57 static_cast<float>(blue) / 255.0f); | |
| 58 } | |
| 59 } |