Mercurial > hg > orthanc-stone
annotate Framework/Widgets/CairoWidget.cpp @ 160:e9dae7e7bffc wasm
fix
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 14 Feb 2018 09:18:06 +0100 |
| parents | e2fe9352f240 |
| children | fccffbf99ba1 |
| 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 | |
|
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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 "CairoWidget.h" | |
| 23 | |
|
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24 #include <Core/Images/ImageProcessing.h> |
|
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25 #include <Core/OrthancException.h> |
| 0 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 static bool IsAligned(const Orthanc::ImageAccessor& target) | |
| 30 { | |
| 31 // TODO | |
| 32 return true; | |
| 33 } | |
| 34 | |
| 35 | |
| 36 void CairoWidget::SetSize(unsigned int width, | |
| 37 unsigned int height) | |
| 38 { | |
| 39 surface_.SetSize(width, height); | |
| 40 } | |
| 41 | |
| 42 | |
| 43 bool CairoWidget::Render(Orthanc::ImageAccessor& target) | |
| 44 { | |
| 45 // Don't call the base class here, as | |
| 46 // "ClearBackgroundCairo()" is a faster alternative | |
| 47 | |
| 48 if (IsAligned(target)) | |
| 49 { | |
| 50 CairoSurface surface(target); | |
| 51 CairoContext context(surface); | |
| 52 ClearBackgroundCairo(context); | |
| 53 return RenderCairo(context); | |
| 54 } | |
| 55 else | |
| 56 { | |
| 57 CairoContext context(surface_); | |
| 58 ClearBackgroundCairo(context); | |
| 59 | |
| 60 if (RenderCairo(context)) | |
| 61 { | |
| 62 Orthanc::ImageProcessing::Copy(target, surface_.GetAccessor()); | |
| 63 return true; | |
| 64 } | |
| 65 else | |
| 66 { | |
| 67 return false; | |
| 68 } | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 | |
| 73 void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 74 int x, | |
| 75 int y) | |
| 76 { | |
| 77 if (IsAligned(target)) | |
| 78 { | |
| 79 CairoSurface surface(target); | |
| 80 CairoContext context(surface); | |
| 81 RenderMouseOverCairo(context, x, y); | |
| 82 } | |
| 83 else | |
| 84 { | |
| 85 Orthanc::ImageAccessor accessor = surface_.GetAccessor(); | |
| 86 Orthanc::ImageProcessing::Copy(accessor, target); | |
| 87 | |
| 88 CairoContext context(surface_); | |
| 89 RenderMouseOverCairo(context, x, y); | |
| 90 | |
| 91 Orthanc::ImageProcessing::Copy(target, accessor); | |
| 92 } | |
| 93 } | |
| 94 } |