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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) 2017-2019 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 "FloatTextureSceneLayer.h"
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23
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24 #include <Core/Images/Image.h>
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25 #include <Core/Images/ImageProcessing.h>
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26 #include <Core/OrthancException.h>
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27
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28 namespace OrthancStone
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29 {
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30 FloatTextureSceneLayer::FloatTextureSceneLayer(const Orthanc::ImageAccessor& texture)
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31 {
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32 {
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33 std::auto_ptr<Orthanc::ImageAccessor> t(
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34 new Orthanc::Image(Orthanc::PixelFormat_Float32,
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35 texture.GetWidth(),
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36 texture.GetHeight(),
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37 false));
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38
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39 Orthanc::ImageProcessing::Convert(*t, texture);
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40 SetTexture(t.release());
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41 }
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42
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43 SetCustomWindowing(128, 256);
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44 }
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45
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46
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47 void FloatTextureSceneLayer::SetWindowing(ImageWindowing windowing)
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48 {
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49 if (windowing_ != windowing)
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50 {
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51 if (windowing == ImageWindowing_Custom)
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52 {
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53 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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54 }
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55 else
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56 {
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57 windowing_ = windowing;
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58 IncrementRevision();
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59 }
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60 }
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61 }
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62
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63
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64 void FloatTextureSceneLayer::SetCustomWindowing(float customCenter,
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65 float customWidth)
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66 {
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67 if (customWidth <= 0)
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68 {
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69 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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70 }
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71 else
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72 {
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73 windowing_ = ImageWindowing_Custom;
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74 customCenter_ = customCenter;
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75 customWidth_ = customWidth;
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76 IncrementRevision();
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77 }
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78 }
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79
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80
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81 void FloatTextureSceneLayer::GetWindowing(float& targetCenter,
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82 float& targetWidth) const
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83 {
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84 ::OrthancStone::ComputeWindowing(targetCenter, targetWidth,
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85 windowing_, customCenter_, customWidth_);
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86 }
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87
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88
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89 void FloatTextureSceneLayer::FitRange()
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90 {
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91 float minValue, maxValue;
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92 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, GetTexture());
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93
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94 float width;
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95
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96 assert(minValue <= maxValue);
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97 if (LinearAlgebra::IsCloseToZero(maxValue - minValue))
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98 {
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99 width = 1;
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100 }
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101 else
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102 {
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103 width = maxValue - minValue;
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104 }
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105
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106 SetCustomWindowing((minValue + maxValue) / 2.0f, width);
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107 }
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108
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109
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110 ISceneLayer* FloatTextureSceneLayer::Clone() const
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111 {
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112 std::auto_ptr<FloatTextureSceneLayer> cloned
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113 (new FloatTextureSceneLayer(GetTexture()));
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114
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115 cloned->CopyParameters(*this);
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116 cloned->windowing_ = windowing_;
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117 cloned->customCenter_ = customCenter_;
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118 cloned->customWidth_ = customWidth_;
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119
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120 return cloned.release();
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121 }
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122 }
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