Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyMaskLayer.cpp @ 480:2f6ecb5037ea am-touch-events
added mouse tracker for Layer Mask. Everything seems ok
author | am@osimis.io |
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date | Thu, 14 Feb 2019 10:18:02 +0100 |
parents | e3d316ba34ba |
children | 159a465e27bd |
rev | line source |
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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 |
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54 void ComputeMaskExtent(unsigned int& left, unsigned int& right, unsigned int& top, unsigned int& bottom, const std::vector<MaskPoint>& corners) |
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55 { |
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56 left = std::numeric_limits<unsigned int>::max(); |
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57 right = std::numeric_limits<unsigned int>::min(); |
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58 top = std::numeric_limits<unsigned int>::max(); |
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59 bottom = std::numeric_limits<unsigned int>::min(); |
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60 |
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61 for (size_t i = 0; i < corners.size(); i++) |
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62 { |
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63 const MaskPoint& p = corners[i]; |
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64 left = std::min(p.x, left); |
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65 right = std::max(p.x, right); |
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66 bottom = std::max(p.y, bottom); |
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67 top = std::min(p.y, top); |
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68 } |
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69 } |
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70 |
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71 void RadiographyMaskLayer::SetCorner(const MaskPoint& corner, size_t index) |
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72 { |
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73 if (index < corners_.size()) |
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74 corners_[index] = corner; |
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75 else |
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76 corners_.push_back(corner); |
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77 invalidated_ = true; |
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78 } |
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79 |
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80 void RadiographyMaskLayer::SetCorners(const std::vector<MaskPoint>& corners) |
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81 { |
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82 corners_ = corners; |
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83 invalidated_ = true; |
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84 } |
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85 |
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86 void RadiographyMaskLayer::Render(Orthanc::ImageAccessor& buffer, |
479 | 87 const AffineTransform2D& viewTransform, |
88 ImageInterpolation interpolation) const | |
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89 { |
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90 if (dicomLayer_.GetWidth() == 0) // nothing to do if the DICOM layer is not displayed (or not loaded) |
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91 return; |
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92 |
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93 if (invalidated_) |
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94 { |
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95 mask_.reset(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, dicomLayer_.GetWidth(), dicomLayer_.GetHeight(), false)); |
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96 |
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97 DrawMask(); |
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98 |
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99 invalidated_ = false; |
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100 } |
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101 |
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102 {// rendering |
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103 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) |
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104 { |
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105 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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106 } |
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107 |
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108 unsigned int cropX, cropY, cropWidth, cropHeight; |
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109 dicomLayer_.GetCrop(cropX, cropY, cropWidth, cropHeight); |
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110 |
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111 const AffineTransform2D t = AffineTransform2D::Combine( |
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112 viewTransform, dicomLayer_.GetTransform(), |
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113 AffineTransform2D::CreateOffset(cropX, cropY)); |
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114 |
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115 Orthanc::ImageAccessor cropped; |
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116 mask_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); |
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117 |
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118 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); |
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119 |
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120 t.Apply(tmp, cropped, interpolation, true /* clear */); |
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121 |
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122 // Blit |
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123 const unsigned int width = buffer.GetWidth(); |
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124 const unsigned int height = buffer.GetHeight(); |
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125 |
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126 for (unsigned int y = 0; y < height; y++) |
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127 { |
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128 float *q = reinterpret_cast<float*>(buffer.GetRow(y)); |
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129 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)); |
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130 |
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131 for (unsigned int x = 0; x < width; x++, p++, q++) |
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132 { |
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133 if (*p == OUT_MASK_VALUE) |
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134 *q = foreground_; |
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135 // else keep the underlying pixel value |
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136 } |
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137 } |
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138 |
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139 } |
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140 } |
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141 |
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142 void RadiographyMaskLayer::DrawMask() const |
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143 { |
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144 unsigned int left; |
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145 unsigned int right; |
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146 unsigned int top; |
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147 unsigned int bottom; |
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148 |
477 | 149 ComputeMaskExtent(left, right, top, bottom, corners_); |
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150 |
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151 // first fill the complete image |
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152 Orthanc::ImageProcessing::Set(*mask_, OUT_MASK_VALUE); |
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153 |
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154 { |
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155 // from http://alienryderflex.com/polygon_fill/ |
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156 std::auto_ptr<int> raiiNodeX(new int(corners_.size())); |
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157 |
478 | 158 // convert all control points to double only once |
159 std::vector<double> cpx; | |
160 std::vector<double> cpy; | |
161 int cpSize = corners_.size(); | |
162 for (size_t i = 0; i < corners_.size(); i++) | |
163 { | |
164 cpx.push_back((double)corners_[i].x); | |
165 cpy.push_back((double)corners_[i].y); | |
166 } | |
167 | |
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168 std::vector<int> nodeX; |
478 | 169 nodeX.resize(cpSize); |
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170 int nodes, pixelX, pixelY, i, j, swap ; |
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171 |
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172 // Loop through the rows of the image. |
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173 for (pixelY = (int)top; pixelY < (int)bottom; pixelY++) |
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174 { |
478 | 175 double y = (double)pixelY; |
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176 // Build a list of nodes. |
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177 nodes = 0; |
478 | 178 j = cpSize - 1; |
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179 |
478 | 180 for (i = 0; i < cpSize; i++) |
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181 { |
480
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182 if ((cpy[i] < y && cpy[j] >= y) |
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183 || (cpy[j] < y && cpy[i] >= y)) |
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184 { |
478 | 185 nodeX[nodes++]= (int)(cpx[i] + (y - cpy[i])/(cpy[j] - cpy[i]) *(cpx[j] - cpx[i])); |
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186 } |
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187 j=i; |
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188 } |
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189 |
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190 // Sort the nodes, via a simple “Bubble” sort. |
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191 i=0; |
477 | 192 while (i < nodes-1) |
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193 { |
477 | 194 if (nodeX[i] > nodeX[i+1]) |
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195 { |
477 | 196 swap = nodeX[i]; |
197 nodeX[i] = nodeX[i+1]; | |
198 nodeX[i+1] = swap; | |
199 if (i) | |
200 i--; | |
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201 } |
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202 else |
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203 { |
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204 i++; |
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205 } |
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206 } |
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207 |
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208 unsigned char* row = reinterpret_cast<unsigned char*>(mask_->GetRow(pixelY)); |
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209 // Fill the pixels between node pairs. |
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210 for (i=0; i<nodes; i+=2) |
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211 { |
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212 if (nodeX[i ]>=(int)right) |
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213 break; |
477 | 214 if (nodeX[i+1]>= (int)left) |
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215 { |
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216 if (nodeX[i ]< (int)left ) |
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217 nodeX[i ]=(int)left ; |
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218 if (nodeX[i+1]> (int)right) |
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219 nodeX[i+1]=(int)right; |
477 | 220 for (pixelX = nodeX[i]; pixelX <= nodeX[i+1]; pixelX++) |
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221 { |
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222 *(row + pixelX) = IN_MASK_VALUE; |
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223 } |
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224 } |
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225 } |
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226 } |
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227 } |
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228 } |
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229 |
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230 } |