Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/LayerHolder.cpp @ 1236:358461330978 broker

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global function GetWebGLViewportsRegistry()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 09 Dec 2019 20:45:47 +0100
parents 86a8266b8888
children 0ca50d275b9a
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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 * Copyright (C) 2017-2019 Osimis S.A., 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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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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20
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21 #include "LayerHolder.h"
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22 #include "../Scene2D/TextSceneLayer.h"
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23 #include "../Scene2D/PolylineSceneLayer.h"
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24 #include "../Scene2D/Scene2D.h"
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25 #include "../Scene2DViewport/ViewportController.h"
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26 #include "../StoneException.h"
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27
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28 namespace OrthancStone
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29 {
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30 LayerHolder::LayerHolder(
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31 boost::weak_ptr<ViewportController> controllerW,
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32 int polylineLayerCount,
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33 int textLayerCount,
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34 int infoTextCount)
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35 : textLayerCount_(textLayerCount)
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36 , polylineLayerCount_(polylineLayerCount)
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37 , infoTextCount_(infoTextCount)
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38 , controllerW_(controllerW)
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39 , baseLayerIndex_(-1)
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40 {
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41
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42 }
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43
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44 void LayerHolder::CreateLayers()
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45 {
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46 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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48 if (controller)
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49 {
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50 assert(baseLayerIndex_ == -1);
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51
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52 baseLayerIndex_ = controller->GetScene().GetMaxDepth() + 100;
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54 for (int i = 0; i < polylineLayerCount_; ++i)
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55 {
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56 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer());
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57 controller->GetScene().SetLayer(baseLayerIndex_ + i, layer.release());
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58 }
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59
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60 for (int i = 0; i < textLayerCount_; ++i)
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61 {
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62 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer());
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63 controller->GetScene().SetLayer(
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64 baseLayerIndex_ + polylineLayerCount_ + i,
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65 layer.release());
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66 }
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67 }
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68 }
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69
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70 void LayerHolder::CreateLayersIfNeeded()
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71 {
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72 if (baseLayerIndex_ == -1)
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73 CreateLayers();
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74 }
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75
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76 bool LayerHolder::AreLayersCreated() const
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77 {
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78 return (baseLayerIndex_ != -1);
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79 }
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80
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81 void LayerHolder::DeleteLayersIfNeeded()
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82 {
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83 if (baseLayerIndex_ != -1)
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84 DeleteLayers();
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85 }
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86
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87 void LayerHolder::DeleteLayers()
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88 {
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89 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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90
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91 if (controller)
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92 {
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93 for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i)
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94 {
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95 ORTHANC_ASSERT(controller->GetScene().HasLayer(baseLayerIndex_ + i), "No layer");
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96 controller->GetScene().DeleteLayer(baseLayerIndex_ + i);
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97 }
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98 baseLayerIndex_ = -1;
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99 }
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100 }
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101
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102 PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/)
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103 {
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104 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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105
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106 if (controller)
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107 {
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108 using namespace Orthanc;
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109 ORTHANC_ASSERT(baseLayerIndex_ != -1);
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110 ORTHANC_ASSERT(controller->GetScene().HasLayer(GetPolylineLayerIndex(index)));
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111 ISceneLayer* layer =
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112 &(controller->GetScene().GetLayer(GetPolylineLayerIndex(index)));
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113
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114 PolylineSceneLayer* concreteLayer =
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115 dynamic_cast<PolylineSceneLayer*>(layer);
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116
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117 ORTHANC_ASSERT(concreteLayer != NULL);
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118 return concreteLayer;
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119 }
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120 else
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121 {
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122 return NULL; // TODO
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123 }
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124 }
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125
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126 TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/)
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127 {
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128 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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129
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130 if (controller)
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131 {
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132 using namespace Orthanc;
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133 ORTHANC_ASSERT(baseLayerIndex_ != -1);
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134 ORTHANC_ASSERT(controller->GetScene().HasLayer(GetTextLayerIndex(index)));
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135 ISceneLayer* layer =
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136 &(controller->GetScene().GetLayer(GetTextLayerIndex(index)));
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137
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138 TextSceneLayer* concreteLayer =
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139 dynamic_cast<TextSceneLayer*>(layer);
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140
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141 ORTHANC_ASSERT(concreteLayer != NULL);
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142 return concreteLayer;
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143 }
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144 else
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145 {
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146 return NULL; // TODO
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147 }
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148 }
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149
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150 int LayerHolder::GetPolylineLayerIndex(int index /*= 0*/)
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151 {
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152 using namespace Orthanc;
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153 ORTHANC_ASSERT(index < polylineLayerCount_);
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154 return baseLayerIndex_ + index;
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155 }
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156
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157
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158 int LayerHolder::GetTextLayerIndex(int index /*= 0*/)
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159 {
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160 using namespace Orthanc;
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161 ORTHANC_ASSERT(index < textLayerCount_);
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162
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163 // the text layers are placed right after the polyline layers
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164 // this means they are drawn ON TOP
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165 return baseLayerIndex_ + polylineLayerCount_ + index;
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166 }
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167 }