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annotate OrthancStone/Sources/OpenGL/OpenGLTextureVolume.h @ 2066:cf3d85eb291c deep-learning

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added class OpenGLTextureVolume
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 May 2023 17:18:14 +0200
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2066
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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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22
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23
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24 #pragma once
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25
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26 #include "OpenGLIncludes.h"
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27 #include "IOpenGLContext.h"
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28
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29 #include <Images/ImageAccessor.h>
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30
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31
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32 namespace OrthancStone
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33 {
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34 namespace OpenGL
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35 {
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36 class OpenGLTextureVolume : public boost::noncopyable
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37 {
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38 friend class OpenGLFramebuffer;
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39
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40 private:
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41 OpenGL::IOpenGLContext& context_;
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42 GLuint texture_;
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43 unsigned int width_;
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44 unsigned int height_;
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45 unsigned int depth_;
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46 Orthanc::PixelFormat format_;
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47 bool isLinearInterpolation_;
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48
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49 /**
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50 * Returns the low-level OpenGL handle of the texture
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51 * array. Beware to never change the size of the texture using
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52 * this handle!
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53 **/
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54 GLuint GetId() const
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55 {
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56 return texture_;
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57 }
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58
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59 public:
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60 OpenGLTextureVolume(IOpenGLContext& context);
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61
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62 ~OpenGLTextureVolume();
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63
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64 unsigned int GetWidth() const
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65 {
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66 return width_;
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67 }
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68
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69 unsigned int GetHeight() const
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70 {
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71 return height_;
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72 }
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73
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74 unsigned int GetDepth() const
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75 {
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76 return depth_;
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77 }
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78
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79 Orthanc::PixelFormat GetFormat() const
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80 {
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81 return format_;
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82 }
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83
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84 bool IsLinearInterpolation() const
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85 {
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86 return isLinearInterpolation_;
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87 }
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88
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89 void Setup(Orthanc::PixelFormat format,
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90 unsigned int width,
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91 unsigned int height,
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92 unsigned int depth,
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93 bool isLinearInterpolation);
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94
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95 /**
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96 * By default, textures are mirrored at the borders. This
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97 * function will set out-of-image access to zero.
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98 **/
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99 void SetClampingToZero();
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100
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101 void Bind(GLint location) const;
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102
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103 void BindAsTextureUnit(GLint location,
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104 unsigned int unit) const;
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105
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106 void Upload(const Orthanc::ImageAccessor& image,
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107 unsigned int z);
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108
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109 size_t GetMemoryBufferSize() const;
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110
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111 // "targetSize" must be equal to "GetMemoryBufferSize()"
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112 void Download(void* targetBuffer,
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113 size_t targetSize) const;
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114
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115 void Download(std::string& target) const;
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116 };
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117 }
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118 }