Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/TextureBaseSceneLayer.cpp @ 1787:6e8105942146
safeguard in TextureBaseSceneLayer
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 15 May 2021 11:47:55 +0200 |
| parents | fca942f4b4a7 |
| children | 3889ae96d2e9 |
| rev | line source |
|---|---|
| 590 | 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) 2017-2021 Osimis S.A., Belgium |
| 590 | 6 * |
| 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 Lesser General Public License |
| 590 | 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 | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser 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 Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 590 | 20 **/ |
| 21 | |
| 22 | |
| 23 #include "TextureBaseSceneLayer.h" | |
| 24 | |
| 1624 | 25 #include <Logging.h> |
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26 #include <OrthancException.h> |
| 590 | 27 |
| 28 namespace OrthancStone | |
| 29 { | |
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30 void TextureBaseSceneLayer::CheckNoManualTransform() const |
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31 { |
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32 if (transform_.get() != NULL) |
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33 { |
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34 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, |
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35 "A transform has been manually set, first call ClearTransform()"); |
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36 } |
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37 } |
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38 |
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39 |
| 590 | 40 void TextureBaseSceneLayer::SetTexture(Orthanc::ImageAccessor* texture) |
| 41 { | |
| 42 if (texture == NULL) | |
| 43 { | |
| 44 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 45 } | |
| 46 else | |
| 47 { | |
| 48 texture_.reset(texture); | |
| 49 IncrementRevision(); | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 | |
| 54 void TextureBaseSceneLayer::CopyParameters(const TextureBaseSceneLayer& other) | |
| 55 { | |
| 56 originX_ = other.originX_; | |
| 57 originY_ = other.originY_; | |
| 58 pixelSpacingX_ = other.pixelSpacingX_; | |
| 59 pixelSpacingY_ = other.pixelSpacingY_; | |
| 60 angle_ = other.angle_; | |
| 61 isLinearInterpolation_ = other.isLinearInterpolation_; | |
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62 flipX_ = other.flipX_; |
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63 flipY_ = other.flipY_; |
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64 |
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65 if (other.transform_.get() != NULL) |
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66 { |
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67 transform_.reset(new AffineTransform2D(*other.transform_)); |
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68 } |
| 590 | 69 } |
| 70 | |
| 71 | |
| 72 TextureBaseSceneLayer::TextureBaseSceneLayer() : | |
| 73 originX_(0), | |
| 74 originY_(0), | |
| 75 pixelSpacingX_(1), | |
| 76 pixelSpacingY_(1), | |
| 77 angle_(0), | |
| 78 isLinearInterpolation_(false), | |
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79 flipX_(false), |
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80 flipY_(false), |
| 590 | 81 revision_(0) |
| 82 { | |
| 83 if (pixelSpacingX_ <= 0 || | |
| 84 pixelSpacingY_ <= 0) | |
| 85 { | |
| 86 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 | |
| 91 void TextureBaseSceneLayer::SetOrigin(double x, | |
| 92 double y) | |
| 93 { | |
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94 CheckNoManualTransform(); |
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95 |
| 590 | 96 originX_ = x; |
| 97 originY_ = y; | |
| 98 IncrementRevision(); | |
| 99 } | |
| 100 | |
| 101 | |
| 102 void TextureBaseSceneLayer::SetPixelSpacing(double sx, | |
| 103 double sy) | |
| 104 { | |
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105 CheckNoManualTransform(); |
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106 |
| 590 | 107 if (sx <= 0 || |
| 108 sy <= 0) | |
| 109 { | |
| 110 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 111 } | |
| 112 else | |
| 113 { | |
| 114 pixelSpacingX_ = sx; | |
| 115 pixelSpacingY_ = sy; | |
| 116 IncrementRevision(); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 | |
| 121 void TextureBaseSceneLayer::SetAngle(double angle) | |
| 122 { | |
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123 CheckNoManualTransform(); |
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124 |
| 590 | 125 angle_ = angle; |
| 126 IncrementRevision(); | |
| 127 } | |
| 128 | |
| 129 | |
| 130 void TextureBaseSceneLayer::SetLinearInterpolation(bool isLinearInterpolation) | |
| 131 { | |
| 132 isLinearInterpolation_ = isLinearInterpolation; | |
| 133 IncrementRevision(); | |
| 134 } | |
| 135 | |
| 136 | |
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137 void TextureBaseSceneLayer::SetFlipX(bool flip) |
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138 { |
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139 CheckNoManualTransform(); |
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140 |
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141 flipX_ = flip; |
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142 IncrementRevision(); |
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143 } |
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144 |
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145 |
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146 void TextureBaseSceneLayer::SetFlipY(bool flip) |
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147 { |
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148 CheckNoManualTransform(); |
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149 |
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150 flipY_ = flip; |
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151 IncrementRevision(); |
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152 } |
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153 |
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154 |
| 590 | 155 const Orthanc::ImageAccessor& TextureBaseSceneLayer::GetTexture() const |
| 156 { | |
| 157 if (!HasTexture()) | |
| 158 { | |
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159 LOG(ERROR) << "TextureBaseSceneLayer::GetTexture(): (!HasTexture())"; |
| 590 | 160 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 161 } | |
| 162 else | |
| 163 { | |
| 164 return *texture_; | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 | |
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169 void TextureBaseSceneLayer::SetTransform(const AffineTransform2D& transform) |
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170 { |
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171 transform_.reset(new AffineTransform2D(transform)); |
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172 IncrementRevision(); |
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173 } |
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174 |
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175 |
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176 void TextureBaseSceneLayer::ClearTransform() |
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177 { |
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178 transform_.reset(NULL); |
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179 IncrementRevision(); |
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180 } |
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181 |
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182 |
| 1769 | 183 void TextureBaseSceneLayer::SetCuttingPlaneTransform(const CoordinateSystem3D& cuttingPlane, |
| 184 const Vector& origin, | |
| 185 const Vector& pixelOffsetX, | |
| 186 const Vector& pixelOffsetY) | |
| 187 { | |
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188 /** |
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189 * Shift from the center of the voxel (DICOM convention for 3D |
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190 * slices) to the corner of the voxel, because 2D textures are |
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191 * expressed relatively to their borders. (*) |
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192 **/ |
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193 Vector p = origin + cuttingPlane.GetOrigin() - 0.5 * pixelOffsetX - 0.5 * pixelOffsetY; |
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194 |
| 1769 | 195 double x0, y0, x1, y1, x2, y2; |
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196 cuttingPlane.ProjectPoint(x0, y0, p); |
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197 cuttingPlane.ProjectPoint(x1, y1, p + pixelOffsetX); |
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198 cuttingPlane.ProjectPoint(x2, y2, p + pixelOffsetY); |
| 1769 | 199 |
| 200 /** | |
| 201 | |
| 202 A = [ a11 a12 ; a21 a22 ] | |
| 203 | |
| 204 (1) A * (0 ; 0) + (b1 ; b2) = (x0 ; y0) | |
| 205 (2) A * (1 ; 0) + (b1 ; b2) = (x1 ; y1) | |
| 206 (3) A * (0 ; 1) + (b1 ; b2) = (x2 ; y2) | |
| 207 | |
| 208 (2-1) A * (1 ; 0) = (x1 - x0 ; y1 - y0) <=> (a11 ; a21) = (x1 - x0 ; y1 - y0) | |
| 209 (3-1) A * (0 ; 1) = (x2 - x0 ; y2 - y0) <=> (a12 ; a22) = (x2 - x0 ; y2 - y0) | |
| 210 | |
| 211 **/ | |
| 212 | |
| 213 Matrix m(3, 3); | |
| 214 m(0, 0) = x1 - x0; // a11 | |
| 215 m(0, 1) = x2 - x0; // a12 | |
| 216 m(0, 2) = x0; // b1 | |
| 217 m(1, 0) = y1 - y0; // a21 | |
| 218 m(1, 1) = y2 - y0; // a22 | |
| 219 m(1, 2) = y0; // b2 | |
| 220 m(2, 0) = 0; | |
| 221 m(2, 1) = 0; | |
| 222 m(2, 2) = 1; | |
| 223 | |
| 224 SetTransform(AffineTransform2D(m)); | |
| 225 } | |
| 226 | |
| 227 | |
| 590 | 228 AffineTransform2D TextureBaseSceneLayer::GetTransform() const |
| 229 { | |
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230 if (transform_.get() == NULL) |
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231 { |
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232 unsigned int width = 0; |
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233 unsigned int height = 0; |
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234 |
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235 if (texture_.get() != NULL) |
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236 { |
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237 width = texture_->GetWidth(); |
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238 height = texture_->GetHeight(); |
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239 } |
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240 |
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241 return AffineTransform2D::Combine( |
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242 AffineTransform2D::CreateOffset(originX_, originY_), |
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243 AffineTransform2D::CreateRotation(angle_), |
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244 AffineTransform2D::CreateScaling(pixelSpacingX_, pixelSpacingY_), |
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245 AffineTransform2D::CreateOffset(-0.5, -0.5), // (*) |
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246 AffineTransform2D::CreateFlip(flipX_, flipY_, width, height)); |
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247 } |
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248 else |
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249 { |
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250 return *transform_; |
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251 } |
| 590 | 252 } |
| 253 | |
| 254 | |
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255 void TextureBaseSceneLayer::GetBoundingBox(Extent2D& target) const |
| 590 | 256 { |
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257 target.Clear(); |
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258 |
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259 if (texture_.get() != NULL) |
| 590 | 260 { |
| 261 const AffineTransform2D t = GetTransform(); | |
| 262 | |
| 263 double x, y; | |
| 264 | |
| 265 x = 0; | |
| 266 y = 0; | |
| 267 t.Apply(x, y); | |
| 268 target.AddPoint(x, y); | |
| 269 | |
| 270 x = static_cast<double>(texture_->GetWidth()); | |
| 271 y = 0; | |
| 272 t.Apply(x, y); | |
| 273 target.AddPoint(x, y); | |
| 274 | |
| 275 x = 0; | |
| 276 y = static_cast<double>(texture_->GetHeight()); | |
| 277 t.Apply(x, y); | |
| 278 target.AddPoint(x, y); | |
| 279 | |
| 280 x = static_cast<double>(texture_->GetWidth()); | |
| 281 y = static_cast<double>(texture_->GetHeight()); | |
| 282 t.Apply(x, y); | |
| 283 target.AddPoint(x, y); | |
| 284 } | |
| 285 } | |
| 286 } |