Mercurial > hg > orthanc-stone

annotate Framework/Scene2D/Scene2D.cpp @ 670:5dd496343fad

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Restored missing code + fixed key ordering when generating code
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 15 May 2019 18:29:42 +0200
parents 462a5074f914
children 059e1fd05fd6
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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
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22 #include "Scene2D.h"
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23
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24 #include <Core/OrthancException.h>
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25
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26
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27 namespace OrthancStone
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28 {
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29 class Scene2D::Item
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30 {
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31 private:
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32 std::auto_ptr<ISceneLayer> layer_;
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33 uint64_t identifier_;
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34
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35 public:
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36 Item(ISceneLayer* layer,
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37 uint64_t identifier) :
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38 layer_(layer),
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39 identifier_(identifier)
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40 {
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41 if (layer == NULL)
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42 {
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43 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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44 }
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45 }
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46
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47 ISceneLayer& GetLayer() const
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48 {
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49 if (layer_.get() == NULL)
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50 {
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51 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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52 }
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53 else
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54 {
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55 return *layer_;
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56 }
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57 }
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58
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59 ISceneLayer* ReleaseLayer()
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60 {
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61 if (layer_.get() == NULL)
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62 {
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63 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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64 }
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65 else
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66 {
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67 return layer_.release();
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68 }
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69 }
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70
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71 uint64_t GetIdentifier() const
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72 {
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73 return identifier_;
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74 }
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75 };
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76
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77
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78 Scene2D::Scene2D(const Scene2D& other)
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79 : IObservable(other.GetBroker())
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80 , sceneToCanvas_(other.sceneToCanvas_)
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81 , canvasToScene_(other.canvasToScene_)
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82 , layerCounter_(0)
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83 {
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84 for (Content::const_iterator it = other.content_.begin();
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85 it != other.content_.end(); ++it)
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86 {
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87 content_[it->first] = new Item(it->second->GetLayer().Clone(), layerCounter_++);
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88 }
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89 }
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90
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91
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92 Scene2D::~Scene2D()
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93 {
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94 for (Content::iterator it = content_.begin();
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95 it != content_.end(); ++it)
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96 {
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97 assert(it->second != NULL);
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98 delete it->second;
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99 }
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100 }
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101
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102
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103 void Scene2D::SetLayer(int depth,
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104 ISceneLayer* layer) // Takes ownership
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105 {
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106 LOG(INFO) << "SetLayer(" << depth << ", " <<
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107 reinterpret_cast<intptr_t>(layer) << ")";
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108 std::auto_ptr<Item> item(new Item(layer, layerCounter_++));
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109
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110 if (layer == NULL)
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111 {
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112 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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113 }
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114
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115 Content::iterator found = content_.find(depth);
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116
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117 if (found == content_.end())
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118 {
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119 content_[depth] = item.release();
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120 }
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121 else
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122 {
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123 assert(found->second != NULL);
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124 delete found->second;
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125 found->second = item.release();
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126 }
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127 }
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128
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129
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130 void Scene2D::DeleteLayer(int depth)
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131 {
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132
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133 Content::iterator found = content_.find(depth);
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134
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135 if (found != content_.end())
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136 {
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137 LOG(INFO) << "DeleteLayer --found-- (" << depth << ")";
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138 assert(found->second != NULL);
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139 delete found->second;
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140 content_.erase(found);
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141 }
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142 }
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143
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144
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145 bool Scene2D::HasLayer(int depth) const
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146 {
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147 return (content_.find(depth) != content_.end());
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148 }
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149
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150
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151 ISceneLayer& Scene2D::GetLayer(int depth) const
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152 {
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153 Content::const_iterator found = content_.find(depth);
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154
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155 if (found == content_.end())
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156 {
606
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157 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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158 }
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159 else
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160 {
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161 assert(found->second != NULL);
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162 return found->second->GetLayer();
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163 }
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164 }
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165
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166
632
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167 int Scene2D::GetMinDepth() const
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168 {
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169 if (content_.size() == 0)
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170 return 0;
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171 else
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172 return content_.begin()->first;
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173 }
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174
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175
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176 int Scene2D::GetMaxDepth() const
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177 {
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178 if (content_.size() == 0)
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179 return 0;
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180 else
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181 return content_.rbegin()->first;
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182 }
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183
606
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184 ISceneLayer* Scene2D::ReleaseLayer(int depth)
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185 {
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186 Content::iterator found = content_.find(depth);
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187
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188 if (found == content_.end())
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189 {
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190 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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191 }
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192 else
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193 {
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194 assert(found->second != NULL);
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195
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196 std::auto_ptr<ISceneLayer> layer(found->second->ReleaseLayer());
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197 assert(layer.get() != NULL);
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198
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199 content_.erase(found);
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200
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201 return layer.release();
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202 }
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203 }
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204
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205
600
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206 void Scene2D::Apply(IVisitor& visitor) const
582
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207 {
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208 for (Content::const_iterator it = content_.begin();
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209 it != content_.end(); ++it)
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210 {
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211 assert(it->second != NULL);
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212 visitor.Visit(it->second->GetLayer(), it->second->GetIdentifier(), it->first);
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213 }
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214 }
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215
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216
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217 void Scene2D::SetSceneToCanvasTransform(const AffineTransform2D& transform)
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218 {
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219 // Make sure the transform is invertible before making any change
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220 AffineTransform2D inverse = AffineTransform2D::Invert(transform);
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221
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222 sceneToCanvas_ = transform;
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223 canvasToScene_ = inverse;
654
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224 BroadcastMessage(SceneTransformChanged(*this));
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225 }
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226
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227 void Scene2D::FitContent(unsigned int canvasWidth,
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228 unsigned int canvasHeight)
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229 {
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230 Extent2D extent;
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231
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232 for (Content::const_iterator it = content_.begin();
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233 it != content_.end(); ++it)
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234 {
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235 assert(it->second != NULL);
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236
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237 Extent2D tmp;
602
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238 if (it->second->GetLayer().GetBoundingBox(tmp))
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239 {
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240 extent.Union(tmp);
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241 }
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242 }
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243
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244 if (!extent.IsEmpty())
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245 {
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246 double zoomX = static_cast<double>(canvasWidth) / extent.GetWidth();
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247 double zoomY = static_cast<double>(canvasHeight) / extent.GetHeight();
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248
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249 double zoom = std::min(zoomX, zoomY);
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250 if (LinearAlgebra::IsCloseToZero(zoom))
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251 {
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252 zoom = 1;
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253 }
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254
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255 double panX = extent.GetCenterX();
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256 double panY = extent.GetCenterY();
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257
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258 // Bring the center of the scene to (0,0)
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259 AffineTransform2D t1 = AffineTransform2D::CreateOffset(-panX, -panY);
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260
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261 // Scale the scene
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262 AffineTransform2D t2 = AffineTransform2D::CreateScaling(zoom, zoom);
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263
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264 SetSceneToCanvasTransform(AffineTransform2D::Combine(t2, t1));
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265 }
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266 }
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267 }