Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/OpenGLLookupTableTextureRenderer.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2D/Internals/OpenGLLookupTableTextureRenderer.cpp@30deba7bc8e2 |
children | 92fca2b3ba3d |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #include "OpenGLLookupTableTextureRenderer.h" |
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23 |
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24 #include "../../Toolbox/ImageToolbox.h" |
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25 |
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26 |
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27 #include <OrthancException.h> |
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28 |
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29 namespace OrthancStone |
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30 { |
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31 namespace Internals |
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32 { |
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33 void OpenGLLookupTableTextureRenderer::LoadTexture( |
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34 const LookupTableTextureSceneLayer& layer) |
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36 if (!context_.IsContextLost()) |
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38 const Orthanc::ImageAccessor& source = layer.GetTexture(); |
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39 const unsigned int width = source.GetWidth(); |
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40 const unsigned int height = source.GetHeight(); |
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41 |
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42 if (texture_.get() == NULL || |
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43 texture_->GetWidth() != width || |
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44 texture_->GetHeight() != height) |
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45 { |
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46 texture_.reset(new Orthanc::Image(Orthanc::PixelFormat_RGBA32, width, height, false)); |
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47 } |
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48 |
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49 layer.Render(*texture_); |
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50 |
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51 context_.MakeCurrent(); |
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52 glTexture_.reset(new OpenGL::OpenGLTexture(context_)); |
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53 glTexture_->Load(*texture_, layer.IsLinearInterpolation()); |
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54 layerTransform_ = layer.GetTransform(); |
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55 } |
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56 } |
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58 OpenGLLookupTableTextureRenderer::OpenGLLookupTableTextureRenderer( |
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59 OpenGL::IOpenGLContext& context, |
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60 OpenGLColorTextureProgram& program, |
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61 const LookupTableTextureSceneLayer& layer) |
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62 : context_(context) |
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63 , program_(program) |
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64 { |
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65 LoadTexture(layer); |
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66 } |
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68 |
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69 void OpenGLLookupTableTextureRenderer::Render(const AffineTransform2D& transform, |
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70 unsigned int canvasWidth, |
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71 unsigned int canvasHeight) |
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72 { |
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73 if (!context_.IsContextLost() && glTexture_.get() != NULL) |
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74 { |
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75 program_.Apply( |
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76 *glTexture_, |
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77 AffineTransform2D::Combine(transform, layerTransform_), |
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78 true); |
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79 } |
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80 } |
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83 void OpenGLLookupTableTextureRenderer::Update(const ISceneLayer& layer) |
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84 { |
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85 // Should never happen (no revisions in color textures) |
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86 LoadTexture(dynamic_cast<const LookupTableTextureSceneLayer&>(layer)); |
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87 } |
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88 } |
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89 } |