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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "SdlWindow.h"
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34
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35 #if ORTHANC_ENABLE_SDL == 1
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36
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16
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37 #include "../../../Resources/Orthanc/Core/Logging.h"
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38 #include "../../../Resources/Orthanc/Core/OrthancException.h"
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0
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39
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40 namespace OrthancStone
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41 {
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42 SdlWindow::SdlWindow(const char* title,
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43 unsigned int width,
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44 unsigned int height,
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45 bool enableOpenGl) :
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46 maximized_(false)
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47 {
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48 // TODO Understand why, with SDL_WINDOW_OPENGL + MinGW32 + Release
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49 // build mode, the application crashes whenever the SDL window is
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50 // resized or maximized
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51
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52 uint32_t windowFlags, rendererFlags;
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53 if (enableOpenGl)
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54 {
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55 windowFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE;
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56 rendererFlags = SDL_RENDERER_ACCELERATED;
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57 }
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58 else
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59 {
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60 windowFlags = SDL_WINDOW_RESIZABLE;
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61 rendererFlags = SDL_RENDERER_SOFTWARE;
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62 }
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63
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64 window_ = SDL_CreateWindow(title,
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65 SDL_WINDOWPOS_UNDEFINED,
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66 SDL_WINDOWPOS_UNDEFINED,
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67 width, height, windowFlags);
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68
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69 if (window_ == NULL)
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70 {
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71 LOG(ERROR) << "Cannot create the SDL window: " << SDL_GetError();
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72 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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73 }
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74
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75 renderer_ = SDL_CreateRenderer(window_, -1, rendererFlags);
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76 if (!renderer_)
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77 {
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78 LOG(ERROR) << "Cannot create the SDL renderer: " << SDL_GetError();
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79 SDL_DestroyWindow(window_);
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80 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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81 }
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82 }
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83
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84
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85 SdlWindow::~SdlWindow()
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86 {
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87 if (renderer_ != NULL)
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88 {
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89 SDL_DestroyRenderer(renderer_);
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90 }
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91
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92 if (window_ != NULL)
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93 {
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94 SDL_DestroyWindow(window_);
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95 }
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96 }
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97
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98
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99 unsigned int SdlWindow::GetWidth() const
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100 {
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101 int w = -1;
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102 SDL_GetWindowSize(window_, &w, NULL);
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103
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104 if (w < 0)
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105 {
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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107 }
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108 else
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109 {
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110 return static_cast<unsigned int>(w);
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111 }
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112 }
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113
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114
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115 unsigned int SdlWindow::GetHeight() const
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116 {
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117 int h = -1;
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118 SDL_GetWindowSize(window_, NULL, &h);
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119
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120 if (h < 0)
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121 {
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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123 }
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124 else
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125 {
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126 return static_cast<unsigned int>(h);
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127 }
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128 }
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129
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130
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131 void SdlWindow::Render(SDL_Surface* surface)
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132 {
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133 //SDL_RenderClear(renderer_);
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134
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135 SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer_, surface);
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136 if (texture != NULL)
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137 {
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138 SDL_RenderCopy(renderer_, texture, NULL, NULL);
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139 SDL_DestroyTexture(texture);
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140 }
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141
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142 SDL_RenderPresent(renderer_);
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143 }
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144
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145
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146 void SdlWindow::ToggleMaximize()
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147 {
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148 if (maximized_)
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149 {
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150 SDL_RestoreWindow(window_);
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151 maximized_ = false;
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152 }
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153 else
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154 {
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155 SDL_MaximizeWindow(window_);
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156 maximized_ = true;
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157 }
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158 }
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159 }
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160
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161 #endif
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