Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyWidget.cpp @ 1307:8a28a9bf8876 broker

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ViewportController now gets a ref to its parent viewport for proper lock usage
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 04 Mar 2020 10:07:37 +0100
parents 7ec8fea061b9
children
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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) 2017-2020 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 "RadiographyWidget.h"
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23
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24 #include <Core/OrthancException.h>
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25 #include <Core/Images/Image.h>
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26 #include <Core/Images/ImageProcessing.h>
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27
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28 #include "RadiographyMaskLayer.h"
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29
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30 namespace OrthancStone
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31 {
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32
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33 bool RadiographyWidget::IsInvertedInternal() const
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34 {
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35 // MONOCHROME1 images must be inverted and the user can invert the
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36 // image, too -> XOR the two
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37 return (scene_->GetPreferredPhotomotricDisplayMode() ==
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38 RadiographyPhotometricDisplayMode_Monochrome1) ^ invert_;
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39 }
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40
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41 void RadiographyWidget::RenderBackground(
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42 Orthanc::ImageAccessor& image, float minValue, float maxValue)
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43 {
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44 // wipe background before rendering
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45 float backgroundValue = minValue;
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46
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47 switch (scene_->GetPreferredPhotomotricDisplayMode())
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48 {
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49 case RadiographyPhotometricDisplayMode_Monochrome1:
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50 case RadiographyPhotometricDisplayMode_Default:
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51 if (IsInvertedInternal())
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52 backgroundValue = maxValue;
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53 else
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54 backgroundValue = minValue;
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55 break;
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56 case RadiographyPhotometricDisplayMode_Monochrome2:
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57 if (IsInvertedInternal())
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58 backgroundValue = minValue;
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59 else
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60 backgroundValue = maxValue;
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61 break;
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62 default:
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63 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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64 }
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65
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66 Orthanc::ImageProcessing::Set(image, static_cast<int64_t>(backgroundValue));
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67 }
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68
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69 bool RadiographyWidget::RenderInternal(unsigned int width,
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70 unsigned int height,
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71 ImageInterpolation interpolation)
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72 {
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73 if (floatBuffer_.get() == NULL ||
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74 floatBuffer_->GetWidth() != width ||
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75 floatBuffer_->GetHeight() != height)
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76 {
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77 floatBuffer_.reset(new Orthanc::Image(
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78 Orthanc::PixelFormat_Float32, width, height, false));
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79
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80 if (floatBuffer_.get() == NULL)
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81 {
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82 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory, "RadiographyWidget::RenderInternal: unable to allocate float buffer");
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83 }
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84 }
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85
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86 if (cairoBuffer_.get() == NULL ||
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87 cairoBuffer_->GetWidth() != width ||
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88 cairoBuffer_->GetHeight() != height)
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89 {
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90 cairoBuffer_.reset(new CairoSurface(width, height, false /* no alpha */));
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91
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92 if (cairoBuffer_.get() == NULL)
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93 {
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94 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory, "RadiographyWidget::RenderInternal: unable to allocate cairo buffer");
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95 }
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96 }
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97
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98 RenderBackground(*floatBuffer_, 0.0, 65535.0);
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99
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100 scene_->Render(*floatBuffer_, GetView().GetMatrix(), interpolation, true);
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101
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102 // Conversion from Float32 to BGRA32 (cairo). Very similar to
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103 // GrayscaleFrameRenderer => TODO MERGE?
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104 Orthanc::ImageAccessor target;
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105 cairoBuffer_->GetWriteableAccessor(target);
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106
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107 bool invert = IsInvertedInternal();
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108
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109 for (unsigned int y = 0; y < height; y++)
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110 {
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111 const float* p = reinterpret_cast<const float*>(floatBuffer_->GetConstRow(y));
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112 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y));
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113
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114 for (unsigned int x = 0; x < width; x++, p++, q += 4)
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115 {
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116 uint8_t v = 0;
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117 if (*p >= 65535.0)
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118 {
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119 v = 255;
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120 }
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121 else if (*p <= 0.0)
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122 {
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123 v = 0;
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124 }
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125 else
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126 {
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127 v = static_cast<uint8_t>(*p / 256.0);
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128 }
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129
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130 if (invert)
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131 {
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132 v = 255 - v;
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133 }
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134
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135 q[0] = v;
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136 q[1] = v;
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137 q[2] = v;
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138 q[3] = 255;
413
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139 }
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140 }
413
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141
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142 return true;
413
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143 }
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144
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145
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146 bool RadiographyWidget::RenderScene(CairoContext& context,
726
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147 const Deprecated::ViewportGeometry& view)
413
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148 {
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149 cairo_t* cr = context.GetObject();
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150
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151 if (RenderInternal(context.GetWidth(), context.GetHeight(), interpolation_))
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152 {
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153 // https://www.cairographics.org/FAQ/#paint_from_a_surface
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154 cairo_save(cr);
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155 cairo_identity_matrix(cr);
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156 cairo_set_source_surface(cr, cairoBuffer_->GetObject(), 0, 0);
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157 cairo_paint(cr);
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158 cairo_restore(cr);
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159 }
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160 else
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161 {
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162 // https://www.cairographics.org/FAQ/#clear_a_surface
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163 context.SetSourceColor(0, 0, 0);
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164 cairo_paint(cr);
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165 }
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166
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167 if (hasSelection_)
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168 {
516
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169 scene_->DrawBorder(
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170 context, static_cast<unsigned int>(selectedLayer_), view.GetZoom());
413
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171 }
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172
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173 return true;
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174 }
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175
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176
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177 RadiographyWidget::RadiographyWidget(boost::shared_ptr<RadiographyScene> scene,
413
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178 const std::string& name) :
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179 WorldSceneWidget(name),
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180 invert_(false),
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181 interpolation_(ImageInterpolation_Nearest),
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182 hasSelection_(false),
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183 selectedLayer_(0) // Dummy initialization
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184 {
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185 SetScene(scene);
413
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186 }
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187
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188
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189 void RadiographyWidget::Select(size_t layer)
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190 {
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191 hasSelection_ = true;
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192 selectedLayer_ = layer;
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193
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194 NotifyContentChanged();
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195 BroadcastMessage(SelectionChangedMessage(*this));
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196 }
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197
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198 void RadiographyWidget::Unselect()
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199 {
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200 hasSelection_ = false;
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771913258728 more keyboard key mappings
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201
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202 NotifyContentChanged();
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203 BroadcastMessage(SelectionChangedMessage(*this));
413
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204 }
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205
1237
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206 bool RadiographyWidget::LookupSelectedLayer(size_t& layer) const
413
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207 {
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208 if (hasSelection_)
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209 {
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diff changeset
210 layer = selectedLayer_;
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211 return true;
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212 }
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213 else
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214 {
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215 return false;
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216 }
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217 }
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218
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219
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220 void RadiographyWidget::OnGeometryChanged(const RadiographyScene::GeometryChangedMessage& message)
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221 {
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d33ae2b0db9d less logs + allow changing the size of the RadiographyLayer (to replace a low res image by a high res image)
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222 // LOG(INFO) << "Scene geometry has changed";
413
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223 FitContent();
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224 }
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225
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226
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227 void RadiographyWidget::OnContentChanged(const RadiographyScene::ContentChangedMessage& message)
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228 {
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diff changeset
229 // LOG(INFO) << "Scene content has changed";
413
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230 NotifyContentChanged();
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231 }
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232
1131
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
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diff changeset
233 void RadiographyWidget::OnLayerRemoved(const RadiographyScene::LayerRemovedMessage& message)
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diff changeset
234 {
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
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diff changeset
235 size_t removedLayerIndex = message.GetLayerIndex();
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diff changeset
236 if (hasSelection_ && selectedLayer_ == removedLayerIndex)
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diff changeset
237 {
1199
922d2e61aa5d RadiograpyScene: can now remove any layer + new key wrappers for Delete/Backspace
Alain Mazy <alain@mazy.be>
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diff changeset
238 Unselect();
1131
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
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diff changeset
239 }
1199
922d2e61aa5d RadiograpyScene: can now remove any layer + new key wrappers for Delete/Backspace
Alain Mazy <alain@mazy.be>
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diff changeset
240 NotifyContentChanged();
1131
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
Alain Mazy <alain@mazy.be>
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diff changeset
241 }
413
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242
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243 void RadiographyWidget::SetInvert(bool invert)
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244 {
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245 if (invert_ != invert)
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246 {
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247 invert_ = invert;
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248 NotifyContentChanged();
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249 }
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250 }
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251
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252
1131
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
Alain Mazy <alain@mazy.be>
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diff changeset
253 void RadiographyWidget::SwitchInvert()
413
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
254 {
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diff changeset
255 invert_ = !invert_;
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parents:
diff changeset
256 NotifyContentChanged();
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parents:
diff changeset
257 }
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diff changeset
258
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diff changeset
259
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260 void RadiographyWidget::SetInterpolation(ImageInterpolation interpolation)
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261 {
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diff changeset
262 if (interpolation_ != interpolation)
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parents:
diff changeset
263 {
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diff changeset
264 interpolation_ = interpolation;
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diff changeset
265 NotifyContentChanged();
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diff changeset
266 }
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267 }
428
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am@osimis.io
parents: 413
diff changeset
268
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am@osimis.io
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diff changeset
269 void RadiographyWidget::SetScene(boost::shared_ptr<RadiographyScene> scene)
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diff changeset
270 {
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parents: 413
diff changeset
271 scene_ = scene;
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parents: 413
diff changeset
272
1066
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diff changeset
273 Register<RadiographyScene::GeometryChangedMessage>(*scene_, &RadiographyWidget::OnGeometryChanged);
b537002f83a9 removing broker from deprecated classes
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parents: 739
diff changeset
274 Register<RadiographyScene::ContentChangedMessage>(*scene_, &RadiographyWidget::OnContentChanged);
1139
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1138
diff changeset
275 Register<RadiographyScene::LayerRemovedMessage>(*scene_, &RadiographyWidget::OnLayerRemoved);
1131
4663f158c748 RadiographyWidget is now notified when a layer is removed from the scene
Alain Mazy <alain@mazy.be>
parents: 1112
diff changeset
276
1238
e257b91fae2c RadiographyWidget: clear selection when changing scene
Alain Mazy <alain@mazy.be>
parents: 1237
diff changeset
277 Unselect();
e257b91fae2c RadiographyWidget: clear selection when changing scene
Alain Mazy <alain@mazy.be>
parents: 1237
diff changeset
278
432
4eb96c6b4e96 improved handling of MONOCHROME1, background and invertion
am@osimis.io
parents: 428
diff changeset
279 NotifyContentChanged();
428
751fb354149e ability to change the scene of the RadiographyWidget
am@osimis.io
parents: 413
diff changeset
280
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am@osimis.io
parents: 413
diff changeset
281 // force redraw
751fb354149e ability to change the scene of the RadiographyWidget
am@osimis.io
parents: 413
diff changeset
282 FitContent();
751fb354149e ability to change the scene of the RadiographyWidget
am@osimis.io
parents: 413
diff changeset
283 }
413
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284 }