Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Scene2D.cpp @ 1298:8a0a62189f46
replacing std::auto_ptr by std::unique_ptr
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 02 Mar 2020 16:31:30 +0100 |
| parents | 2d8ab34c8c91 |
| children | 257f2c9a02ac 1e4878ed1d77 |
| rev | line source |
|---|---|
| 582 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 582 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "Scene2D.h" | |
| 23 | |
| 24 #include <Core/OrthancException.h> | |
| 25 | |
| 26 | |
| 27 namespace OrthancStone | |
| 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::unique_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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Scene2D::ReleaseLayer()
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49 if (layer_.get() == NULL) |
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Scene2D::ReleaseLayer()
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50 { |
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51 LOG(ERROR) << "Scene2D::Item::GetLayer(): (layer_.get() == NULL)"; |
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52 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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53 } |
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54 else |
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55 { |
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56 return *layer_; |
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57 } |
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58 } |
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59 |
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60 ISceneLayer* ReleaseLayer() |
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Scene2D::ReleaseLayer()
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61 { |
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62 if (layer_.get() == NULL) |
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64 LOG(ERROR) << "Scene2D::Item::ReleaseLayer(): (layer_.get() == NULL)"; |
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65 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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66 } |
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67 else |
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68 { |
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69 return layer_.release(); |
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70 } |
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71 } |
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72 |
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73 uint64_t GetIdentifier() const |
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74 { |
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75 return identifier_; |
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76 } |
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77 }; |
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78 |
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79 |
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80 Scene2D::Scene2D(const Scene2D& other) |
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81 : sceneToCanvas_(other.sceneToCanvas_) |
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82 , canvasToScene_(other.canvasToScene_) |
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83 , layerCounter_(0) |
| 582 | 84 { |
| 85 for (Content::const_iterator it = other.content_.begin(); | |
| 86 it != other.content_.end(); ++it) | |
| 87 { | |
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88 content_[it->first] = new Item(it->second->GetLayer().Clone(), layerCounter_++); |
| 582 | 89 } |
| 90 } | |
| 91 | |
| 92 | |
| 93 Scene2D::~Scene2D() | |
| 94 { | |
| 95 for (Content::iterator it = content_.begin(); | |
| 96 it != content_.end(); ++it) | |
| 97 { | |
| 98 assert(it->second != NULL); | |
| 99 delete it->second; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 | |
| 104 void Scene2D::SetLayer(int depth, | |
| 105 ISceneLayer* layer) // Takes ownership | |
| 106 { | |
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107 LOG(TRACE) << "SetLayer(" << depth << ", " << reinterpret_cast<intptr_t>(layer) << ")"; |
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108 std::unique_ptr<Item> item(new Item(layer, layerCounter_++)); |
| 582 | 109 |
| 110 if (layer == NULL) | |
| 111 { | |
| 112 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 113 } | |
| 114 | |
| 115 Content::iterator found = content_.find(depth); | |
| 116 | |
| 117 if (found == content_.end()) | |
| 118 { | |
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119 content_[depth] = item.release(); |
| 582 | 120 } |
| 121 else | |
| 122 { | |
| 123 assert(found->second != NULL); | |
| 124 delete found->second; | |
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125 found->second = item.release(); |
| 582 | 126 } |
| 127 } | |
| 128 | |
| 129 | |
| 130 void Scene2D::DeleteLayer(int depth) | |
| 131 { | |
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132 |
| 582 | 133 Content::iterator found = content_.find(depth); |
| 134 | |
| 135 if (found != content_.end()) | |
| 136 { | |
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137 LOG(TRACE) << "DeleteLayer --found-- (" << depth << ")"; |
| 582 | 138 assert(found->second != NULL); |
| 139 delete found->second; | |
| 140 content_.erase(found); | |
| 141 } | |
| 142 } | |
| 143 | |
| 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 { |
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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 |
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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 |
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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::unique_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 void Scene2D::Apply(IVisitor& visitor) const |
| 582 | 206 { |
| 207 for (Content::const_iterator it = content_.begin(); | |
| 208 it != content_.end(); ++it) | |
| 209 { | |
| 210 assert(it->second != NULL); | |
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211 visitor.Visit(it->second->GetLayer(), it->second->GetIdentifier(), it->first); |
| 582 | 212 } |
| 213 } | |
| 214 | |
| 215 | |
| 216 void Scene2D::SetSceneToCanvasTransform(const AffineTransform2D& transform) | |
| 217 { | |
| 218 // Make sure the transform is invertible before making any change | |
| 219 AffineTransform2D inverse = AffineTransform2D::Invert(transform); | |
| 220 | |
| 221 sceneToCanvas_ = transform; | |
| 222 canvasToScene_ = inverse; | |
| 223 } | |
| 224 | |
| 225 void Scene2D::FitContent(unsigned int canvasWidth, | |
| 226 unsigned int canvasHeight) | |
| 227 { | |
| 228 Extent2D extent; | |
| 229 | |
| 230 for (Content::const_iterator it = content_.begin(); | |
| 231 it != content_.end(); ++it) | |
| 232 { | |
| 233 assert(it->second != NULL); | |
| 234 | |
| 235 Extent2D tmp; | |
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236 if (it->second->GetLayer().GetBoundingBox(tmp)) |
| 582 | 237 { |
| 238 extent.Union(tmp); | |
| 239 } | |
| 240 } | |
| 241 | |
| 242 if (!extent.IsEmpty()) | |
| 243 { | |
| 244 double zoomX = static_cast<double>(canvasWidth) / extent.GetWidth(); | |
| 245 double zoomY = static_cast<double>(canvasHeight) / extent.GetHeight(); | |
| 246 | |
| 247 double zoom = std::min(zoomX, zoomY); | |
| 248 if (LinearAlgebra::IsCloseToZero(zoom)) | |
| 249 { | |
| 250 zoom = 1; | |
| 251 } | |
| 252 | |
| 253 double panX = extent.GetCenterX(); | |
| 254 double panY = extent.GetCenterY(); | |
| 255 | |
| 256 // Bring the center of the scene to (0,0) | |
| 257 AffineTransform2D t1 = AffineTransform2D::CreateOffset(-panX, -panY); | |
| 258 | |
| 259 // Scale the scene | |
| 260 AffineTransform2D t2 = AffineTransform2D::CreateScaling(zoom, zoom); | |
| 261 | |
| 262 SetSceneToCanvasTransform(AffineTransform2D::Combine(t2, t1)); | |
| 263 } | |
| 264 } | |
| 265 } |