Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/OpenGLFloatTextureRenderer.cpp @ 1874:08f2476e8f5e
added classes OrientedIntegerLine2D and RectanglesIntegerProjection
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 11 Jan 2022 18:58:37 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 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 "OpenGLFloatTextureRenderer.h" | |
25 | |
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26 #include <OrthancException.h> |
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27 |
594 | 28 namespace OrthancStone |
29 { | |
30 namespace Internals | |
31 { | |
32 void OpenGLFloatTextureRenderer::UpdateInternal(const FloatTextureSceneLayer& layer, | |
33 bool loadTexture) | |
34 { | |
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35 if (!context_.IsContextLost()) |
594 | 36 { |
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37 if (loadTexture) |
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38 { |
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39 if (layer.IsApplyLog()) |
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40 { |
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41 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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42 } |
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43 |
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44 context_.MakeCurrent(); |
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45 texture_.reset(new OpenGLFloatTextureProgram::Data( |
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46 context_, layer.GetTexture(), layer.IsLinearInterpolation())); |
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47 } |
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48 |
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49 layerTransform_ = layer.GetTransform(); |
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50 layer.GetWindowing(windowCenter_, windowWidth_); |
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51 invert_ = layer.IsInverted(); |
594 | 52 } |
53 } | |
54 | |
55 | |
56 OpenGLFloatTextureRenderer::OpenGLFloatTextureRenderer(OpenGL::IOpenGLContext& context, | |
57 OpenGLFloatTextureProgram& program, | |
58 const FloatTextureSceneLayer& layer) : | |
59 context_(context), | |
60 program_(program) | |
61 { | |
62 UpdateInternal(layer, true); | |
63 } | |
64 | |
65 | |
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66 void OpenGLFloatTextureRenderer::Render(const AffineTransform2D& transform, |
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67 unsigned int canvasWidth, |
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68 unsigned int canvasHeight) |
594 | 69 { |
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70 if (!context_.IsContextLost() && texture_.get() != NULL) |
594 | 71 { |
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72 program_.Apply(*texture_, AffineTransform2D::Combine(transform, layerTransform_), |
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73 canvasWidth, canvasHeight, windowCenter_, windowWidth_, invert_); |
594 | 74 } |
75 } | |
76 | |
77 | |
78 void OpenGLFloatTextureRenderer::Update(const ISceneLayer& layer) | |
79 { | |
80 UpdateInternal(dynamic_cast<const FloatTextureSceneLayer&>(layer), false); | |
81 } | |
82 } | |
83 } |