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annotate OrthancStone/Sources/OpenGL/OpenGLTexture.h @ 2047:0b596428e60c deep-learning

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added OpenGLTexture::GetFormat()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 06 Mar 2023 11:00:55 +0100
parents 0fa4c0ca429d
children c0627145b441
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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 "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 #include <boost/noncopyable.hpp>
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33
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34 namespace OrthancStone
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35 {
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36 namespace OpenGL
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37 {
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38 class OpenGLTexture : public boost::noncopyable
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39 {
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40 private:
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41 GLuint texture_;
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42 unsigned int width_;
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43 unsigned int height_;
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44
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45 Orthanc::PixelFormat format_;
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46 OpenGL::IOpenGLContext& context_;
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48 void Setup(Orthanc::PixelFormat format,
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49 unsigned int width,
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50 unsigned int height,
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51 bool isLinearInterpolation,
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52 const void* data);
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53
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54 public:
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55 explicit OpenGLTexture(OpenGL::IOpenGLContext& context);
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56
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57 ~OpenGLTexture();
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58
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59 /**
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60 * Returns the low-level OpenGL handle of the texture. Beware to
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61 * never change the size of the texture using this handle!
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62 **/
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63 GLuint GetId() const
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64 {
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65 return texture_;
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66 }
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67
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68 Orthanc::PixelFormat GetFormat() const
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69 {
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70 return format_;
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71 }
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72
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73 unsigned int GetWidth() const
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74 {
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75 return width_;
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76 }
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77
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78 unsigned int GetHeight() const
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79 {
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80 return height_;
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81 }
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82
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83 void Setup(Orthanc::PixelFormat format,
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84 unsigned int width,
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85 unsigned int height,
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86 bool isLinearInterpolation)
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87 {
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88 Setup(format, width, height, isLinearInterpolation, NULL);
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89 }
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90
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91 void Load(const Orthanc::ImageAccessor& image,
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92 bool isLinearInterpolation);
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93
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94 void Bind(GLint location) const;
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95
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96 void BindAsTextureUnit(GLint location,
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97 unsigned int unit) const;
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98
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99 Orthanc::ImageAccessor* Download(Orthanc::PixelFormat format) const;
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100
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101 /**
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102 * By default, textures are mirrored at the borders. This
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103 * function will set out-of-image access to zero.
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104 **/
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105 void SetClampingToZero();
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106
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107 static void ConvertToOpenGLFormats(GLenum& sourceFormat,
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108 GLenum& internalFormat,
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109 GLenum& pixelType,
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110 Orthanc::PixelFormat format);
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111 };
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112 }
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113 }