Mercurial > hg > orthanc-stone

annotate Framework/Layers/DicomStructureSetRendererFactory.cpp @ 132:35c2b85836ce wasm

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fix rtstruct projections
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 17 Nov 2017 18:01:31 +0100
parents 1982d6c1d2ff
children e2fe9352f240
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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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7207a407bcd8 shared copyright with osimis
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5 * Copyright (C) 2017 Osimis, 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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28956ed68280 agpl license
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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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21
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22 #include "DicomStructureSetRendererFactory.h"
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24 namespace OrthancStone
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25 {
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26 class DicomStructureSetRendererFactory::Renderer : public ILayerRenderer
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27 {
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28 private:
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29 class Structure
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30 {
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31 private:
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32 bool visible_;
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33 uint8_t red_;
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34 uint8_t green_;
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35 uint8_t blue_;
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36 std::string name_;
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37 std::vector< std::vector<DicomStructureSet::PolygonPoint> > polygons_;
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38
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39 public:
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40 Structure(DicomStructureSet& structureSet,
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41 const CoordinateSystem3D& slice,
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42 size_t index) :
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43 name_(structureSet.GetStructureName(index))
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44 {
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45 structureSet.GetStructureColor(red_, green_, blue_, index);
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46 visible_ = structureSet.ProjectStructure(polygons_, index, slice);
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47 }
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48
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49 void Render(CairoContext& context)
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50 {
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51 if (visible_)
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52 {
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53 cairo_t* cr = context.GetObject();
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54
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55 context.SetSourceColor(red_, green_, blue_);
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56
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57 for (size_t i = 0; i < polygons_.size(); i++)
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58 {
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59 cairo_move_to(cr, polygons_[i][0].first, polygons_[i][0].second);
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60
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61 for (size_t j = 1; j < polygons_[i].size(); j++)
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62 {
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63 cairo_line_to(cr, polygons_[i][j].first, polygons_[i][j].second);
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64 }
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65
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66 cairo_line_to(cr, polygons_[i][0].first, polygons_[i][0].second);
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67 cairo_stroke(cr);
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68 }
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69 }
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70 }
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71 };
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72
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73 typedef std::list<Structure*> Structures;
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74
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75 CoordinateSystem3D slice_;
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76 Structures structures_;
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77
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78 public:
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79 Renderer(DicomStructureSet& structureSet,
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80 const CoordinateSystem3D& slice) :
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81 slice_(slice)
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82 {
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83 for (size_t k = 0; k < structureSet.GetStructureCount(); k++)
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84 {
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85 structures_.push_back(new Structure(structureSet, slice, k));
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86 }
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87 }
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88
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89 virtual ~Renderer()
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90 {
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91 for (Structures::iterator it = structures_.begin();
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92 it != structures_.end(); ++it)
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93 {
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94 delete *it;
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95 }
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96 }
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97
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98 virtual bool RenderLayer(CairoContext& context,
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99 const ViewportGeometry& view)
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100 {
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101 cairo_set_line_width(context.GetObject(), 2.0f / view.GetZoom());
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102
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103 for (Structures::const_iterator it = structures_.begin();
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104 it != structures_.end(); ++it)
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105 {
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106 assert(*it != NULL);
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107 (*it)->Render(context);
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108 }
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109
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110 return true;
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111 }
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112
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113 virtual const CoordinateSystem3D& GetLayerSlice()
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114 {
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115 return slice_;
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116 }
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117
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118 virtual void SetLayerStyle(const RenderStyle& style)
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119 {
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120 }
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121
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122 virtual bool IsFullQuality()
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123 {
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124 return true;
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125 }
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126 };
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127
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128
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129 void DicomStructureSetRendererFactory::ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice)
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130 {
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131 if (loader_.HasStructureSet())
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132 {
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133 NotifyLayerReady(new Renderer(loader_.GetStructureSet(), viewportSlice), viewportSlice, false);
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134 }
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135 }
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136 }