Mercurial > hg > orthanc-stone

annotate Framework/Layers/OrthancFrameLayerSource.cpp @ 90:64e60018943f wasm

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fix and observer refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 29 May 2017 11:04:18 +0200
parents f244018a4e4b
children 5945e81734a3
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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 Osimis, 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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22 #include "OrthancFrameLayerSource.h"
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24 #include "FrameRenderer.h"
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25 #include "../../Resources/Orthanc/Core/Images/PngReader.h"
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26 #include "../../Resources/Orthanc/Core/Logging.h"
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27 #include "../../Resources/Orthanc/Core/OrthancException.h"
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28 #include "../Toolbox/DicomFrameConverter.h"
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30 #include <boost/lexical_cast.hpp>
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33 // TODO REMOVE THIS
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34 #include "../Widgets/LayerWidget.h"
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35
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36 namespace OrthancStone
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37 {
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38 void OrthancFrameLayerSource::NotifyGeometryReady(const OrthancSlicesLoader& loader)
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39 {
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40 if (loader.GetSliceCount() > 0)
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41 {
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42 // Make sure all the slices are parallel. TODO Alleviate this constraint
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43 for (size_t i = 1; i < loader.GetSliceCount(); i++)
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44 {
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45 if (!GeometryToolbox::IsParallel(loader.GetSlice(i).GetGeometry().GetNormal(),
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46 loader.GetSlice(0).GetGeometry().GetNormal()))
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47 {
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48 LayerSourceBase::NotifyGeometryError();
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49 return;
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50 }
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51 }
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52 }
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53
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54 LayerSourceBase::NotifyGeometryReady();
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55 }
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57 void OrthancFrameLayerSource::NotifyGeometryError(const OrthancSlicesLoader& loader)
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58 {
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59 LayerSourceBase::NotifyGeometryError();
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60 }
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61
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62 void OrthancFrameLayerSource::NotifySliceImageReady(const OrthancSlicesLoader& loader,
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63 unsigned int sliceIndex,
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64 const Slice& slice,
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65 Orthanc::ImageAccessor* image)
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66 {
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67 LayerSourceBase::NotifyLayerReady(FrameRenderer::CreateRenderer(image, slice, true), slice);
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68 }
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69
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70 void OrthancFrameLayerSource::NotifySliceImageError(const OrthancSlicesLoader& loader,
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71 unsigned int sliceIndex,
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72 const Slice& slice)
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73 {
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74 LayerSourceBase::NotifyLayerError(slice.GetGeometry());
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75 }
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77 OrthancFrameLayerSource::OrthancFrameLayerSource(IWebService& orthanc,
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78 const std::string& instanceId,
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79 unsigned int frame) :
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80 instanceId_(instanceId),
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81 frame_(frame),
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82 loader_(*this, orthanc)
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83 {
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84 loader_.ScheduleLoadInstance(instanceId_, frame_);
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85 }
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87
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88 bool OrthancFrameLayerSource::GetExtent(double& x1,
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89 double& y1,
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90 double& x2,
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91 double& y2,
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92 const SliceGeometry& viewportSlice)
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93 {
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94 bool ok = false;
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95
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96 if (loader_.IsGeometryReady())
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97 {
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98 double tx1, ty1, tx2, ty2;
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99
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100 for (size_t i = 0; i < loader_.GetSliceCount(); i++)
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101 {
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102 if (FrameRenderer::ComputeFrameExtent(tx1, ty1, tx2, ty2, viewportSlice, loader_.GetSlice(i)))
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103 {
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104 if (ok)
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105 {
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106 x1 = std::min(x1, tx1);
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107 y1 = std::min(y1, ty1);
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108 x2 = std::min(x2, tx2);
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109 y2 = std::min(y2, ty2);
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110 }
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111 else
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112 {
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113 // This is the first slice parallel to the viewport
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114 x1 = tx1;
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115 y1 = ty1;
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116 x2 = tx2;
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117 y2 = ty2;
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118 ok = true;
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119 }
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120 }
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121 }
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122 }
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123
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124 return ok;
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125 }
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126
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127
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128 void OrthancFrameLayerSource::ScheduleLayerCreation(const SliceGeometry& viewportSlice)
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129 {
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130 size_t index;
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131
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132 if (loader_.IsGeometryReady())
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133 {
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134 if (loader_.LookupSlice(index, viewportSlice))
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135 {
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136 loader_.ScheduleLoadSliceImage(index);
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137 }
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138 else
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139 {
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140 LayerSourceBase::NotifyLayerError(viewportSlice);
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141 }
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142 }
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143 }
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144 }