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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 #pragma once
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23
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24 #include "../../Fonts/GlyphTextureAlphabet.h"
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25 #include "../../OpenGL/IOpenGLContext.h"
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26 #include "../../OpenGL/OpenGLProgram.h"
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27 #include "../../OpenGL/OpenGLTexture.h"
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28 #include "../../Toolbox/AffineTransform2D.h"
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29 #include "../TextSceneLayer.h"
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30
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31 namespace OrthancStone
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32 {
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33 namespace Internals
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34 {
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35 class OpenGLTextProgram : public boost::noncopyable
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36 {
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37 public:
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38 class Data : public boost::noncopyable
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39 {
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40 private:
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41 OpenGL::IOpenGLContext& context_;
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42 size_t coordinatesCount_;
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43 GLuint buffers_[2];
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44 float red_;
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45 float green_;
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46 float blue_;
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47 double x_;
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48 double y_;
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49 double border_;
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50 unsigned int textWidth_;
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51 unsigned int textHeight_;
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52 BitmapAnchor anchor_;
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53
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54 public:
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55 Data(OpenGL::IOpenGLContext& context,
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56 const GlyphTextureAlphabet& alphabet,
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57 const TextSceneLayer& layer);
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58
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59 ~Data();
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60
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61 bool IsEmpty() const
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62 {
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63 return coordinatesCount_ == 0;
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64 }
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65
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66 size_t GetCoordinatesCount() const
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67 {
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68 return coordinatesCount_;
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69 }
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70
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71 GLuint GetSceneLocationsBuffer() const;
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72
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73 GLuint GetTextureLocationsBuffer() const;
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74
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75 float GetRed() const
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76 {
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77 return red_;
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78 }
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79
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80 float GetGreen() const
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81 {
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82 return green_;
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83 }
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84
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85 float GetBlue() const
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86 {
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87 return blue_;
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88 }
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89
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90 double GetX() const
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91 {
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92 return x_;
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93 }
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94
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95 double GetY() const
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96 {
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97 return y_;
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98 }
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99
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100 double GetBorder() const
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101 {
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102 return border_;
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103 }
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104
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105 unsigned int GetTextWidth() const
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106 {
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107 return textWidth_;
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108 }
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109
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110 unsigned int GetTextHeight() const
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111 {
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112 return textHeight_;
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113 }
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114
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115 BitmapAnchor GetAnchor() const
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116 {
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117 return anchor_;
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118 }
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119 };
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120
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121 private:
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122 OpenGL::IOpenGLContext& context_;
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123 std::auto_ptr<OpenGL::OpenGLProgram> program_;
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124 GLint positionLocation_;
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125 GLint textureLocation_;
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126
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127 public:
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128 OpenGLTextProgram(OpenGL::IOpenGLContext& context);
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129
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130 void Apply(OpenGL::OpenGLTexture& fontTexture,
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131 const Data& data,
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132 const AffineTransform2D& transform);
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133 };
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134 }
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135 }
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