Mercurial > hg > orthanc-stone
annotate Framework/Deprecated/Toolbox/ViewportGeometry.cpp @ 1112:d33ae2b0db9d
less logs + allow changing the size of the RadiographyLayer (to replace a low res image by a high res image)
| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Mon, 04 Nov 2019 12:46:53 +0100 |
| parents | c35e98d22764 |
| children | 2d8ab34c8c91 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "ViewportGeometry.h" | |
| 23 | |
|
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24 #include <Core/Logging.h> |
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25 #include <Core/OrthancException.h> |
| 0 | 26 |
| 27 #include <boost/math/special_functions/round.hpp> | |
| 28 | |
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29 namespace Deprecated |
| 0 | 30 { |
| 31 void ViewportGeometry::ComputeTransform() | |
| 32 { | |
| 33 // The following lines must be read in reverse order! | |
| 34 cairo_matrix_t tmp; | |
| 35 | |
| 36 // Bring the center of the scene to the center of the view | |
| 37 cairo_matrix_init_translate(&transform_, | |
| 38 panX_ + static_cast<double>(width_) / 2.0, | |
| 39 panY_ + static_cast<double>(height_) / 2.0); | |
| 40 | |
| 41 // Apply the zoom around (0,0) | |
| 42 cairo_matrix_init_scale(&tmp, zoom_, zoom_); | |
| 43 cairo_matrix_multiply(&transform_, &tmp, &transform_); | |
| 44 | |
| 45 // Bring the center of the scene to (0,0) | |
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46 cairo_matrix_init_translate(&tmp, |
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47 -(sceneExtent_.GetX1() + sceneExtent_.GetX2()) / 2.0, |
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48 -(sceneExtent_.GetY1() + sceneExtent_.GetY2()) / 2.0); |
| 0 | 49 cairo_matrix_multiply(&transform_, &tmp, &transform_); |
| 50 } | |
| 51 | |
| 52 | |
| 53 ViewportGeometry::ViewportGeometry() | |
| 54 { | |
| 55 width_ = 0; | |
| 56 height_ = 0; | |
| 57 | |
| 58 zoom_ = 1; | |
| 59 panX_ = 0; | |
| 60 panY_ = 0; | |
| 61 | |
| 62 ComputeTransform(); | |
| 63 } | |
| 64 | |
| 65 | |
| 66 void ViewportGeometry::SetDisplaySize(unsigned int width, | |
| 67 unsigned int height) | |
| 68 { | |
| 69 if (width_ != width || | |
| 70 height_ != height) | |
| 71 { | |
| 72 LOG(INFO) << "New display size: " << width << "x" << height; | |
| 73 | |
| 74 width_ = width; | |
| 75 height_ = height; | |
| 76 | |
| 77 ComputeTransform(); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 | |
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82 void ViewportGeometry::SetSceneExtent(const OrthancStone::Extent2D& extent) |
| 0 | 83 { |
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84 // LOG(INFO) << "New scene extent: (" |
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85 // << extent.GetX1() << "," << extent.GetY1() << ") => (" |
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86 // << extent.GetX2() << "," << extent.GetY2() << ")"; |
| 0 | 87 |
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88 sceneExtent_ = extent; |
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89 ComputeTransform(); |
| 0 | 90 } |
| 91 | |
| 92 | |
| 93 void ViewportGeometry::MapDisplayToScene(double& sceneX /* out */, | |
| 94 double& sceneY /* out */, | |
| 95 double x, | |
| 96 double y) const | |
| 97 { | |
| 98 cairo_matrix_t transform = transform_; | |
| 99 | |
| 100 if (cairo_matrix_invert(&transform) != CAIRO_STATUS_SUCCESS) | |
| 101 { | |
| 102 LOG(ERROR) << "Cannot invert singular matrix"; | |
| 103 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 104 } | |
| 105 | |
| 106 sceneX = x; | |
| 107 sceneY = y; | |
| 108 cairo_matrix_transform_point(&transform, &sceneX, &sceneY); | |
| 109 } | |
| 110 | |
| 111 | |
| 112 void ViewportGeometry::MapSceneToDisplay(int& displayX /* out */, | |
| 113 int& displayY /* out */, | |
| 114 double x, | |
| 115 double y) const | |
| 116 { | |
| 117 cairo_matrix_transform_point(&transform_, &x, &y); | |
| 118 | |
| 119 displayX = static_cast<int>(boost::math::iround(x)); | |
| 120 displayY = static_cast<int>(boost::math::iround(y)); | |
| 121 } | |
| 122 | |
| 123 | |
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124 void ViewportGeometry::MapPixelCenterToScene(std::vector<Touch>& sceneTouches /* out */, |
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125 const std::vector<Touch>& displayTouches) const |
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126 { |
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127 double sceneX, sceneY; |
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128 sceneTouches.clear(); |
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129 for (size_t t = 0; t < displayTouches.size(); t++) |
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130 { |
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131 MapPixelCenterToScene( |
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132 sceneX, |
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133 sceneY, |
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134 static_cast<int>(displayTouches[t].x), |
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135 static_cast<int>(displayTouches[t].y)); |
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136 |
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137 sceneTouches.push_back(Touch((float)sceneX, (float)sceneY)); |
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138 } |
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139 } |
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140 |
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141 void ViewportGeometry::MapPixelCenterToScene(double& sceneX, |
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142 double& sceneY, |
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143 int x, |
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144 int y) const |
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145 { |
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146 // Take the center of the pixel |
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147 MapDisplayToScene(sceneX, sceneY, |
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148 static_cast<double>(x) + 0.5, |
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149 static_cast<double>(y) + 0.5); |
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150 } |
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151 |
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152 |
| 330 | 153 void ViewportGeometry::FitContent() |
| 0 | 154 { |
| 155 if (width_ > 0 && | |
| 156 height_ > 0 && | |
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157 !sceneExtent_.IsEmpty()) |
| 0 | 158 { |
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159 double zoomX = static_cast<double>(width_) / (sceneExtent_.GetX2() - sceneExtent_.GetX1()); |
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160 double zoomY = static_cast<double>(height_) / (sceneExtent_.GetY2() - sceneExtent_.GetY1()); |
| 0 | 161 zoom_ = zoomX < zoomY ? zoomX : zoomY; |
| 162 | |
| 163 panX_ = 0; | |
| 164 panY_ = 0; | |
| 165 | |
| 166 ComputeTransform(); | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 | |
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171 void ViewportGeometry::ApplyTransform(OrthancStone::CairoContext& context) const |
| 0 | 172 { |
| 173 cairo_set_matrix(context.GetObject(), &transform_); | |
| 174 } | |
| 175 | |
| 176 | |
| 177 void ViewportGeometry::GetPan(double& x, | |
| 178 double& y) const | |
| 179 { | |
| 180 x = panX_; | |
| 181 y = panY_; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void ViewportGeometry::SetPan(double x, | |
| 186 double y) | |
| 187 { | |
| 188 panX_ = x; | |
| 189 panY_ = y; | |
| 190 ComputeTransform(); | |
| 191 } | |
| 192 | |
| 193 | |
| 194 void ViewportGeometry::SetZoom(double zoom) | |
| 195 { | |
| 196 zoom_ = zoom; | |
| 197 ComputeTransform(); | |
| 198 } | |
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199 |
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200 |
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201 OrthancStone::Matrix ViewportGeometry::GetMatrix() const |
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202 { |
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203 OrthancStone::Matrix m(3, 3); |
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204 |
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205 m(0, 0) = transform_.xx; |
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206 m(0, 1) = transform_.xy; |
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207 m(0, 2) = transform_.x0; |
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208 m(1, 0) = transform_.yx; |
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209 m(1, 1) = transform_.yy; |
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210 m(1, 2) = transform_.y0; |
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211 m(2, 0) = 0; |
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212 m(2, 1) = 0; |
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213 m(2, 2) = 1; |
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214 |
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215 return m; |
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216 } |
| 0 | 217 } |