Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyMaskLayer.cpp @ 488:aede9b042cb7 am-touch-events

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now using ImageProcessing::FillPolygon
author am@osimis.io
date Tue, 19 Feb 2019 11:40:14 +0100
parents 159a465e27bd
children 77e0eb83ff63
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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) 2017-2018 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 "RadiographyMaskLayer.h"
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23 #include "RadiographyDicomLayer.h"
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24
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25 #include "RadiographyScene.h"
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26 #include "Core/Images/Image.h"
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27 #include "Core/Images/ImageProcessing.h"
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28 #include <Core/OrthancException.h>
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29
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30 namespace OrthancStone
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31 {
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32 const unsigned char IN_MASK_VALUE = 0x00;
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33 const unsigned char OUT_MASK_VALUE = 0xFF;
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34
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35 const AffineTransform2D& RadiographyMaskLayer::GetTransform() const
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36 {
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37 return dicomLayer_.GetTransform();
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38 }
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39
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40 const AffineTransform2D& RadiographyMaskLayer::GetTransformInverse() const
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41 {
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42 return dicomLayer_.GetTransformInverse();
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43 }
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44
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45 bool RadiographyMaskLayer::GetPixel(unsigned int& imageX,
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46 unsigned int& imageY,
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47 double sceneX,
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48 double sceneY) const
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49 {
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50 return dicomLayer_.GetPixel(imageX, imageY, sceneX, sceneY);
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51 }
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52
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53 std::string RadiographyMaskLayer::GetInstanceId() const
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54 {
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55 return dicomLayer_.GetInstanceId();
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56 }
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57
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58 void RadiographyMaskLayer::SetCorner(const Orthanc::ImageProcessing::ImagePoint& corner, size_t index)
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59 {
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60 if (index < corners_.size())
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61 corners_[index] = corner;
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62 else
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63 corners_.push_back(corner);
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64 invalidated_ = true;
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65 }
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66
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67 void RadiographyMaskLayer::SetCorners(const std::vector<Orthanc::ImageProcessing::ImagePoint>& corners)
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68 {
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69 corners_ = corners;
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70 invalidated_ = true;
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71 }
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72
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73 void RadiographyMaskLayer::Render(Orthanc::ImageAccessor& buffer,
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74 const AffineTransform2D& viewTransform,
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75 ImageInterpolation interpolation) const
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76 {
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77 if (dicomLayer_.GetWidth() == 0) // nothing to do if the DICOM layer is not displayed (or not loaded)
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78 return;
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79
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80 if (invalidated_)
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81 {
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82 mask_.reset(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, dicomLayer_.GetWidth(), dicomLayer_.GetHeight(), false));
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83
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84 DrawMask();
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85
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86 invalidated_ = false;
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87 }
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88
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89 {// rendering
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90 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32)
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91 {
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92 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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93 }
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94
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95 unsigned int cropX, cropY, cropWidth, cropHeight;
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96 dicomLayer_.GetCrop(cropX, cropY, cropWidth, cropHeight);
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97
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98 const AffineTransform2D t = AffineTransform2D::Combine(
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99 viewTransform, dicomLayer_.GetTransform(),
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100 AffineTransform2D::CreateOffset(cropX, cropY));
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101
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102 Orthanc::ImageAccessor cropped;
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103 mask_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight);
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104
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105 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false);
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106
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107 t.Apply(tmp, cropped, interpolation, true /* clear */);
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108
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109 // Blit
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110 const unsigned int width = buffer.GetWidth();
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111 const unsigned int height = buffer.GetHeight();
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112
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113 for (unsigned int y = 0; y < height; y++)
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114 {
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115 float *q = reinterpret_cast<float*>(buffer.GetRow(y));
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116 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y));
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117
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118 for (unsigned int x = 0; x < width; x++, p++, q++)
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119 {
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120 if (*p == OUT_MASK_VALUE)
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121 *q = foreground_;
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122 // else keep the underlying pixel value
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123 }
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124 }
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125
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126 }
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127 }
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128
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129 void RadiographyMaskLayer::DrawMask() const
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130 {
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131 // first fill the complete image
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132 Orthanc::ImageProcessing::Set(*mask_, OUT_MASK_VALUE);
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133
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134 // fill mask
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135 Orthanc::ImageProcessing::FillPolygon(*mask_, corners_, IN_MASK_VALUE);
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136
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137 }
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138
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139 }