Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2D/MacroSceneLayer.cpp @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 757987cb5a68
children 7053b8a0aaec
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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) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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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
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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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/>.
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21 **/
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22
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23
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24 #include "MacroSceneLayer.h"
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25
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26 #include <OrthancException.h>
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27
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28 #include <cassert>
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29
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30 namespace OrthancStone
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31 {
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32 void MacroSceneLayer::CheckInvariant() const
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33 {
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34 #if !defined(NDEBUG)
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35 // Only run the sanity check in debug mode
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36 size_t countRecycled = 0;
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37
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38 for (size_t i = 0; i < layers_.size(); i++)
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39 {
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40 if (layers_[i] == NULL)
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41 {
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42 assert(recycledLayers_.find(i) != recycledLayers_.end());
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43 countRecycled++;
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44 }
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45 else
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46 {
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47 assert(recycledLayers_.find(i) == recycledLayers_.end());
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48 }
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49 }
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50
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51 assert(countRecycled == recycledLayers_.size());
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52 #endif
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53 }
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54
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55
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56 void MacroSceneLayer::Clear()
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57 {
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58 CheckInvariant();
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59
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60 for (size_t i = 0; i < layers_.size(); i++)
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61 {
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62 if (layers_[i] != NULL)
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63 {
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64 delete layers_[i];
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65 }
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66 }
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67
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68 layers_.clear();
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69 recycledLayers_.clear();
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70
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71 BumpRevision();
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72 }
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73
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74
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75 size_t MacroSceneLayer::AddLayer(ISceneLayer* layer)
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76 {
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77 CheckInvariant();
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78
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79 if (layer == NULL)
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80 {
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81 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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82 }
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83 else
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84 {
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85 size_t index;
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86
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87 if (recycledLayers_.empty())
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88 {
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89 index = layers_.size();
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90 layers_.push_back(layer);
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91 }
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92 else
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93 {
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94 index = *recycledLayers_.begin();
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95 assert(layers_[index] == NULL);
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96 layers_[index] = layer;
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97 recycledLayers_.erase(index);
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98 }
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99
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100 BumpRevision();
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101 return index;
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102 }
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103 }
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104
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105
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106 void MacroSceneLayer::UpdateLayer(size_t index,
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107 ISceneLayer* layer)
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108 {
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109 CheckInvariant();
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110
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111 if (layer == NULL)
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112 {
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113 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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114 }
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115 else if (index >= layers_.size())
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116 {
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117 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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118 }
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119 else
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120 {
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121 if (layers_[index] == NULL)
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122 {
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123 assert(recycledLayers_.find(index) != recycledLayers_.end());
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124 recycledLayers_.erase(index);
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125 }
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126 else
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127 {
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128 assert(recycledLayers_.find(index) == recycledLayers_.end());
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129 delete layers_[index];
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130 }
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131
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132 layers_[index] = layer;
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133 BumpRevision();
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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 bool MacroSceneLayer::HasLayer(size_t index) const
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139 {
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140 CheckInvariant();
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141
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142 if (index >= layers_.size())
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143 {
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144 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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145 }
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146 else
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147 {
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148 return (layers_[index] != NULL);
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149 }
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150 }
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151
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152
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153 void MacroSceneLayer::DeleteLayer(size_t index)
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154 {
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155 CheckInvariant();
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156
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157 if (index >= layers_.size())
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158 {
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159 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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160 }
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161 else if (layers_[index] == NULL)
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162 {
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163 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem);
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164 }
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165 else
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166 {
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167 delete layers_[index];
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168 layers_[index] = NULL;
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169
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170 assert(recycledLayers_.find(index) == recycledLayers_.end());
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171 recycledLayers_.insert(index);
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172 }
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173 }
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174
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175
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176 const ISceneLayer& MacroSceneLayer::GetLayer(size_t index) const
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177 {
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178 CheckInvariant();
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179
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180 if (index >= layers_.size())
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181 {
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182 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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183 }
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184 else if (layers_[index] == NULL)
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185 {
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186 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem);
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187 }
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188 else
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189 {
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190 return *layers_[index];
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191 }
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192 }
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193
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194
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195 ISceneLayer* MacroSceneLayer::Clone() const
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196 {
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197 CheckInvariant();
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198
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199 std::unique_ptr<MacroSceneLayer> copy(new MacroSceneLayer);
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200
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201 for (size_t i = 0; i < layers_.size(); i++)
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202 {
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203 if (layers_[i] == NULL)
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204 {
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205 copy->layers_.push_back(NULL);
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206 }
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207 else
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208 {
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209 copy->layers_.push_back(layers_[i]->Clone());
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210 }
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211 }
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212
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213 copy->recycledLayers_ = recycledLayers_;
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214
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215 return copy.release();
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216 }
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217
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218
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219 void MacroSceneLayer::GetBoundingBox(Extent2D& target) const
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220 {
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221 CheckInvariant();
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222
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223 target.Clear();
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224
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225 for (size_t i = 0; i < layers_.size(); i++)
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226 {
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227 if (layers_[i] != NULL)
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228 {
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229 Extent2D subextent;
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230 layers_[i]->GetBoundingBox(subextent);
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231 target.Union(subextent);
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232 }
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233 }
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234 }
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235 }