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annotate Framework/Scene2D/TextureSceneLayer.cpp @ 584:434ceeb0bcab

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layers: InfoPanel, Polyline, Texture
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 19 Apr 2019 17:36:00 +0200
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584
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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 "TextureSceneLayer.h"
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23
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24 #include <Core/Images/Image.h>
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25 #include <Core/OrthancException.h>
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26
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27 namespace OrthancStone
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28 {
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29 TextureSceneLayer::TextureSceneLayer(const Orthanc::ImageAccessor& texture,
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30 double originX, // Center of the top-left pixel
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31 double originY,
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32 double pixelSpacingX,
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33 double pixelSpacingY,
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34 double angle,
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35 bool isLinearInterpolation) :
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36 texture_(Orthanc::Image::Clone(texture)),
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37 originX_(originX),
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38 originY_(originY),
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39 pixelSpacingX_(pixelSpacingX),
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40 pixelSpacingY_(pixelSpacingY),
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41 angle_(angle),
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42 isLinearInterpolation_(isLinearInterpolation)
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43 {
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44 if (texture_->GetFormat() != Orthanc::PixelFormat_Grayscale8 &&
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45 texture_->GetFormat() != Orthanc::PixelFormat_RGBA32 &&
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46 texture_->GetFormat() != Orthanc::PixelFormat_RGB24)
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47 {
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48 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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49 }
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50
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51 if (pixelSpacingX_ <= 0 ||
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52 pixelSpacingY_ <= 0)
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53 {
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54 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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55 }
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56 }
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57
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58
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59 ISceneLayer* TextureSceneLayer::Clone() const
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60 {
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61 return new TextureSceneLayer(*texture_, originX_, originY_,
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62 pixelSpacingX_, pixelSpacingY_, angle_,
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63 isLinearInterpolation_);
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64 }
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65
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66
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67 AffineTransform2D TextureSceneLayer::GetTransform() const
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68 {
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69 return AffineTransform2D::Combine(
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70 AffineTransform2D::CreateOffset(originX_, originY_),
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71 AffineTransform2D::CreateRotation(angle_),
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72 AffineTransform2D::CreateScaling(pixelSpacingX_, pixelSpacingY_),
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73 AffineTransform2D::CreateOffset(-0.5, -0.5));
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74 }
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75
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76
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77 bool TextureSceneLayer::GetBoundingBox(Extent2D& target) const
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78 {
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79 const AffineTransform2D t = GetTransform();
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80
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81 target.Reset();
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82
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83 double x, y;
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84
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85 x = 0;
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86 y = 0;
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87 t.Apply(x, y);
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88 target.AddPoint(x, y);
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89
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90 x = static_cast<double>(texture_->GetWidth());
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91 y = 0;
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92 t.Apply(x, y);
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93 target.AddPoint(x, y);
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94
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95 x = 0;
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96 y = static_cast<double>(texture_->GetHeight());
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97 t.Apply(x, y);
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98 target.AddPoint(x, y);
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99
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100 x = static_cast<double>(texture_->GetWidth());
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101 y = static_cast<double>(texture_->GetHeight());
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102 t.Apply(x, y);
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103 target.AddPoint(x, y);
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104
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105 return true;
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106 }
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107 }