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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "DicomStructureSetRendererFactory.h"
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34
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35 #include "../Orthanc/Core/OrthancException.h"
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36
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37 namespace OrthancStone
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38 {
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39 class DicomStructureSetRendererFactory::Renderer : public ILayerRenderer
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40 {
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41 private:
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42 const DicomStructureSet& structureSet_;
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43 SliceGeometry slice_;
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44 bool visible_;
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45
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46 public:
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47 Renderer(const DicomStructureSet& structureSet,
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48 const SliceGeometry& slice) :
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49 structureSet_(structureSet),
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50 slice_(slice),
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51 visible_(true)
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52 {
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53 }
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54
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55 virtual bool RenderLayer(CairoContext& context,
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56 const ViewportGeometry& view)
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57 {
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58 if (visible_)
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59 {
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60 cairo_set_line_width(context.GetObject(), 3.0f / view.GetZoom());
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61 structureSet_.Render(context, slice_);
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62 }
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63
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64 return true;
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65 }
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66
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67 virtual void SetLayerStyle(const RenderStyle& style)
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68 {
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69 visible_ = style.visible_;
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70 }
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71
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72 virtual bool IsFullQuality()
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73 {
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74 return true;
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75 }
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76 };
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77
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78
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79 ILayerRenderer* DicomStructureSetRendererFactory::CreateLayerRenderer(const SliceGeometry& displaySlice)
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80 {
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81 bool isOpposite;
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82 if (GeometryToolbox::IsParallelOrOpposite(isOpposite, displaySlice.GetNormal(), structureSet_.GetNormal()))
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83 {
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84 return new Renderer(structureSet_, displaySlice);
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85 }
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86 else
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87 {
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88 return NULL;
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89 }
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90 }
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91
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92
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93 ISliceableVolume& DicomStructureSetRendererFactory::GetSourceVolume() const
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94 {
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95 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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96 }
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97 }
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