annotate OrthancStone/Sources/Scene2D/TextureBaseSceneLayer.h @ 1770:073484e33bee

fix offset of textures
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 May 2021 10:53:37 +0200
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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) 2017-2021 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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23 #pragma once
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24
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25 #include "ISceneLayer.h"
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26 #include "../Toolbox/AffineTransform2D.h"
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27 #include "../Toolbox/CoordinateSystem3D.h"
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28
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29 #include <Compatibility.h>
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30 #include <Images/ImageAccessor.h>
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32 namespace OrthancStone
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33 {
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34 class TextureBaseSceneLayer : public ISceneLayer
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35 {
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36 private:
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37 std::unique_ptr<Orthanc::ImageAccessor> texture_;
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38 double originX_;
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39 double originY_;
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40 double pixelSpacingX_;
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41 double pixelSpacingY_;
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42 double angle_;
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43 bool isLinearInterpolation_;
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44 bool flipX_;
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45 bool flipY_;
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46 uint64_t revision_;
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47 std::unique_ptr<AffineTransform2D> transform_; // Manually-specified transformation
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49 protected:
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50 void SetTexture(Orthanc::ImageAccessor* texture);
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51
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52 void IncrementRevision()
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53 {
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54 revision_++;
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55 }
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56
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57 void CopyParameters(const TextureBaseSceneLayer& other);
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58
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59 public:
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60 TextureBaseSceneLayer();
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61
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62 // Center of the top-left pixel
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63 void SetOrigin(double x,
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64 double y);
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65
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66 void SetPixelSpacing(double sx,
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67 double sy);
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68
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69 // In radians
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70 void SetAngle(double angle);
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71
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72 void SetLinearInterpolation(bool isLinearInterpolation);
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73
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74 void SetFlipX(bool flip);
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75
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76 void SetFlipY(bool flip);
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77
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78 double GetOriginX() const
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79 {
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80 return originX_;
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81 }
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82
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83 double GetOriginY() const
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84 {
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85 return originY_;
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86 }
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87
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88 double GetPixelSpacingX() const
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89 {
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90 return pixelSpacingX_;
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91 }
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92
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93 double GetPixelSpacingY() const
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94 {
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95 return pixelSpacingY_;
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96 }
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97
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98 double GetAngle() const
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99 {
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100 return angle_;
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101 }
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102
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103 bool IsLinearInterpolation() const
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104 {
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105 return isLinearInterpolation_;
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106 }
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107
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108 bool HasTexture() const
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109 {
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110 return (texture_.get() != NULL);
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111 }
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112
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113 bool IsFlipX() const
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114 {
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115 return flipX_;
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116 }
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117
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118 bool IsFlipY() const
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119 {
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120 return flipY_;
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121 }
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122
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123 const Orthanc::ImageAccessor& GetTexture() const;
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124
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125 void SetTransform(const AffineTransform2D& transform);
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127 void ClearTransform();
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128
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129 // Initialize a transform that maps a texture slice in 3D, to a
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130 // cutting plane (the cutting plane should be parallel to the 3D
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131 // slice). The "pixelOffsetX/Y" must take pixel spacing into account.
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132 void SetCuttingPlaneTransform(const CoordinateSystem3D& cuttingPlane,
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133 const Vector& origin, // coordinates of the center of the voxel
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134 const Vector& pixelOffsetX, // 3D offset from (0,0) voxel to (1,0) voxel
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135 const Vector& pixelOffsetY); // 3D offset from (0,0) voxel to (0,1) voxel
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136
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137 AffineTransform2D GetTransform() const;
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138
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139 virtual void GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE;
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140
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141 virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
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142 {
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143 return revision_;
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144 }
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145 };
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146 }