Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/OpenGLColorTextureRenderer.cpp @ 2146:743fa9c74443 dicom-sr tip
integration mainline->dicom-sr
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Aug 2024 18:09:53 +0200 |
parents | 16c01cc201e7 |
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rev | line source |
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594 | 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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
594 | 7 * |
8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
594 | 10 * as published by the Free Software Foundation, either version 3 of |
11 * the License, or (at your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
594 | 21 **/ |
22 | |
23 | |
24 #include "OpenGLColorTextureRenderer.h" | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 namespace Internals | |
29 { | |
30 void OpenGLColorTextureRenderer::LoadTexture(const ColorTextureSceneLayer& layer) | |
31 { | |
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32 if (!context_.IsContextLost()) |
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33 { |
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34 context_.MakeCurrent(); |
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35 texture_.reset(new OpenGL::OpenGLTexture(context_)); |
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36 texture_->Load(layer.GetTexture(), layer.IsLinearInterpolation()); |
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37 layerTransform_ = layer.GetTransform(); |
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38 } |
594 | 39 } |
40 | |
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41 |
594 | 42 OpenGLColorTextureRenderer::OpenGLColorTextureRenderer(OpenGL::IOpenGLContext& context, |
43 OpenGLColorTextureProgram& program, | |
44 const ColorTextureSceneLayer& layer) : | |
45 context_(context), | |
46 program_(program) | |
47 { | |
48 LoadTexture(layer); | |
49 } | |
50 | |
51 | |
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52 void OpenGLColorTextureRenderer::Render(const AffineTransform2D& transform, |
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53 unsigned int canvasWidth, |
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54 unsigned int canvasHeight) |
594 | 55 { |
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56 if (!context_.IsContextLost() && texture_.get() != NULL) |
594 | 57 { |
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58 program_.Apply(*texture_, AffineTransform2D::Combine(transform, layerTransform_), |
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59 canvasWidth, canvasHeight, true); |
594 | 60 } |
61 } | |
62 | |
63 | |
64 void OpenGLColorTextureRenderer::Update(const ISceneLayer& layer) | |
65 { | |
66 // Should never happen (no revisions in color textures) | |
67 LoadTexture(dynamic_cast<const ColorTextureSceneLayer&>(layer)); | |
68 } | |
69 } | |
70 } |