annotate OrthancStone/Sources/Scene2D/TextureBaseSceneLayer.h @ 1874:08f2476e8f5e

added classes OrientedIntegerLine2D and RectanglesIntegerProjection
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 18:58:37 +0100
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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23
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24 #pragma once
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25
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26 #include "ISceneLayer.h"
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27 #include "../Toolbox/AffineTransform2D.h"
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28 #include "../Toolbox/CoordinateSystem3D.h"
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29
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30 #include <Compatibility.h>
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31 #include <Images/ImageAccessor.h>
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33 namespace OrthancStone
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34 {
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35 class TextureBaseSceneLayer : public ISceneLayer
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36 {
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37 private:
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38 std::unique_ptr<Orthanc::ImageAccessor> texture_;
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39 double originX_;
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40 double originY_;
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41 double pixelSpacingX_;
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42 double pixelSpacingY_;
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43 double angle_;
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44 bool isLinearInterpolation_;
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45 bool flipX_;
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46 bool flipY_;
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47 uint64_t revision_;
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48 std::unique_ptr<AffineTransform2D> transform_; // Manually-specified transformation
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49
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50 void CheckNoManualTransform() const;
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51
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52 protected:
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53 void SetTexture(Orthanc::ImageAccessor* texture);
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54
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55 void IncrementRevision()
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56 {
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57 revision_++;
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58 }
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59
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60 void CopyParameters(const TextureBaseSceneLayer& other);
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61
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62 public:
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63 TextureBaseSceneLayer();
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64
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65 // Center of the top-left pixel
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66 void SetOrigin(double x,
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67 double y);
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68
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69 void SetPixelSpacing(double sx,
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70 double sy);
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71
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72 // In radians
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73 void SetAngle(double angle);
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74
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75 void SetFlipX(bool flip);
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76
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77 void SetFlipY(bool flip);
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78
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79 double GetOriginX() const
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80 {
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81 return originX_;
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82 }
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83
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84 double GetOriginY() const
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85 {
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86 return originY_;
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87 }
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88
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89 double GetPixelSpacingX() const
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90 {
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91 return pixelSpacingX_;
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92 }
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93
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94 double GetPixelSpacingY() const
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95 {
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96 return pixelSpacingY_;
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97 }
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98
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99 double GetAngle() const
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100 {
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101 return angle_;
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102 }
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103
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104 bool IsFlipX() const
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105 {
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106 return flipX_;
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107 }
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108
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109 bool IsFlipY() const
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110 {
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111 return flipY_;
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112 }
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113
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114 bool IsLinearInterpolation() const
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115 {
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116 return isLinearInterpolation_;
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117 }
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118
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119 void SetLinearInterpolation(bool isLinearInterpolation);
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120
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121 bool HasTexture() const
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122 {
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123 return (texture_.get() != NULL);
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124 }
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125
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126 const Orthanc::ImageAccessor& GetTexture() const;
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127
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128 void SetTransform(const AffineTransform2D& transform);
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129
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130 void ClearTransform();
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131
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132 /**
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133 * Initialize a transform that maps a texture slice in 3D, to a
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134 * cutting plane (the cutting plane should be parallel to the 3D
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135 * slice). The "pixelOffsetX/Y" must take pixel spacing into
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136 * account. This method automatically converts from voxel centers
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137 * (3D) to pixel corners (2D).
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138 **/
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139 void SetCuttingPlaneTransform(const CoordinateSystem3D& cuttingPlane,
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140 const Vector& origin, // coordinates of the center of the voxel
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141 const Vector& pixelOffsetX, // 3D offset from (0,0) voxel to (1,0) voxel
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142 const Vector& pixelOffsetY); // 3D offset from (0,0) voxel to (0,1) voxel
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143
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144 AffineTransform2D GetTransform() const;
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145
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146 virtual void GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE;
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147
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148 virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
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149 {
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150 return revision_;
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151 }
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152 };
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153 }