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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 "SiblingSliceLocationFactory.h"
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34
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35 #include "LineLayerRenderer.h"
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36
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37 namespace OrthancStone
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38 {
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39 SiblingSliceLocationFactory::SiblingSliceLocationFactory(LayeredSceneWidget& owner,
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40 LayeredSceneWidget& sibling) :
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41 owner_(owner),
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42 sibling_(sibling),
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43 hasLayerIndex_(false)
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44 {
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45 style_.SetColor(0, 255, 0);
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46 slice_ = sibling.GetSlice();
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47 sibling_.Register(*this);
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48 }
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49
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50
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51 void SiblingSliceLocationFactory::NotifySliceChange(const LayeredSceneWidget& source,
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52 const SliceGeometry& slice)
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53 {
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54 if (&source == &sibling_)
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55 {
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56 SetSlice(slice);
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57 }
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58 }
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59
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60
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61 void SiblingSliceLocationFactory::SetLayerIndex(size_t layerIndex)
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62 {
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63 boost::mutex::scoped_lock lock(mutex_);
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64 hasLayerIndex_ = true;
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65 layerIndex_ = layerIndex;
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66 }
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67
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68
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69 void SiblingSliceLocationFactory::SetStyle(const RenderStyle& style)
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70 {
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71 boost::mutex::scoped_lock lock(mutex_);
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72 style_ = style;
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73 }
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74
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75
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76 RenderStyle SiblingSliceLocationFactory::GetRenderStyle()
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77 {
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78 boost::mutex::scoped_lock lock(mutex_);
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79 return style_;
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80 }
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81
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82
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83 void SiblingSliceLocationFactory::SetSlice(const SliceGeometry& slice)
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84 {
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85 boost::mutex::scoped_lock lock(mutex_);
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86 slice_ = slice;
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87
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88 if (hasLayerIndex_)
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89 {
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90 owner_.InvalidateLayer(layerIndex_);
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91 }
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92 }
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93
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94
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95 ILayerRenderer* SiblingSliceLocationFactory::CreateLayerRenderer(const SliceGeometry& viewportSlice)
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96 {
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97 Vector p, d;
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98 RenderStyle style;
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99
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100 {
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101 boost::mutex::scoped_lock lock(mutex_);
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102
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103 style = style_;
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104
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105 // Compute the line of intersection between the two slices
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106 if (!GeometryToolbox::IntersectTwoPlanes(p, d,
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107 slice_.GetOrigin(), slice_.GetNormal(),
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108 viewportSlice.GetOrigin(), viewportSlice.GetNormal()))
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109 {
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110 // The two slice are parallel, don't try and display the intersection
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111 return NULL;
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112 }
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113 }
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114
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115 double x1, y1, x2, y2;
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116 viewportSlice.ProjectPoint(x1, y1, p);
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117 viewportSlice.ProjectPoint(x2, y2, p + 1000.0 * d);
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118
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119 double sx1, sy1, sx2, sy2;
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120 owner_.GetView().GetSceneExtent(sx1, sy1, sx2, sy2);
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121
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122 if (GeometryToolbox::ClipLineToRectangle(x1, y1, x2, y2,
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123 x1, y1, x2, y2,
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124 sx1, sy1, sx2, sy2))
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125 {
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126 std::auto_ptr<ILayerRenderer> layer(new LineLayerRenderer(x1, y1, x2, y2));
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127 layer->SetLayerStyle(style);
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128 return layer.release();
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129 }
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130 else
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131 {
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132 // Parallel slices
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133 return NULL;
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134 }
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135 }
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136
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137
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138 ISliceableVolume& SiblingSliceLocationFactory::GetSourceVolume() const
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139 {
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140 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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141 }
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142
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143
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144 void SiblingSliceLocationFactory::Configure(LayeredSceneWidget& a,
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145 LayeredSceneWidget& b)
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146 {
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147 {
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148 size_t layerIndex;
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149 ILayerRendererFactory& factory = a.AddLayer(layerIndex, new SiblingSliceLocationFactory(a, b));
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150 dynamic_cast<SiblingSliceLocationFactory&>(factory).SetLayerIndex(layerIndex);
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151 }
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152
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153 {
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154 size_t layerIndex;
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155 ILayerRendererFactory& factory = b.AddLayer(layerIndex, new SiblingSliceLocationFactory(b, a));
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156 dynamic_cast<SiblingSliceLocationFactory&>(factory).SetLayerIndex(layerIndex);
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157 }
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158 }
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159 }
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