Mercurial > hg > orthanc-stone
annotate Framework/Viewport/SdlWindow.cpp @ 1047:efc5b62b9539
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 09 Oct 2019 18:06:58 +0200 |
| parents | Applications/Sdl/SdlWindow.cpp@794278160a3f |
| children | 4cc997207d8a 2d8ab34c8c91 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "SdlWindow.h" | |
| 23 | |
| 24 #if ORTHANC_ENABLE_SDL == 1 | |
| 25 | |
|
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26 #include <Core/Logging.h> |
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27 #include <Core/OrthancException.h> |
| 0 | 28 |
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29 #ifdef WIN32 |
| 662 | 30 #include <windows.h> // for SetProcessDpiAware |
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31 #endif |
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32 // WIN32 |
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33 |
| 214 | 34 #include <SDL.h> |
| 35 | |
| 0 | 36 namespace OrthancStone |
| 37 { | |
| 38 SdlWindow::SdlWindow(const char* title, | |
| 39 unsigned int width, | |
| 40 unsigned int height, | |
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41 bool enableOpenGl, |
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42 bool allowDpiScaling) : |
| 0 | 43 maximized_(false) |
| 44 { | |
| 45 // TODO Understand why, with SDL_WINDOW_OPENGL + MinGW32 + Release | |
| 46 // build mode, the application crashes whenever the SDL window is | |
| 47 // resized or maximized | |
| 48 | |
| 49 uint32_t windowFlags, rendererFlags; | |
| 50 if (enableOpenGl) | |
| 51 { | |
| 52 windowFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE; | |
| 53 rendererFlags = SDL_RENDERER_ACCELERATED; | |
| 54 } | |
| 55 else | |
| 56 { | |
| 57 windowFlags = SDL_WINDOW_RESIZABLE; | |
| 58 rendererFlags = SDL_RENDERER_SOFTWARE; | |
| 59 } | |
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60 |
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61 // TODO: probably required on MacOS X, too |
| 662 | 62 #if defined(WIN32) && (_WIN32_WINNT >= 0x0600) |
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63 if (!allowDpiScaling) |
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64 { |
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65 // if we do NOT allow DPI scaling, it means an SDL pixel will be a real |
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66 // monitor pixel. This is needed for high-DPI applications |
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67 |
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68 // Enable high-DPI support on Windows |
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69 |
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70 // THE FOLLOWING HAS BEEN COMMENTED OUT BECAUSE IT WILL CRASH UNDER |
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71 // OLD WINDOWS VERSIONS |
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72 // ADD THIS AT THE TOP TO ENABLE IT: |
| 662 | 73 // |
| 74 //#pragma comment(lib, "Shcore.lib") THIS IS ONLY REQUIRED FOR SetProcessDpiAwareness | |
| 75 //#include <windows.h> | |
| 76 //#include <ShellScalingAPI.h> THIS IS ONLY REQUIRED FOR SetProcessDpiAwareness | |
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77 //#include <comdef.h> THIS IS ONLY REQUIRED FOR SetProcessDpiAwareness |
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78 // SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); |
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79 |
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80 // This is supported on Vista+ |
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81 SetProcessDPIAware(); |
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82 |
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83 windowFlags |= SDL_WINDOW_ALLOW_HIGHDPI; |
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84 } |
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85 #endif |
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86 // WIN32 |
| 0 | 87 |
| 88 window_ = SDL_CreateWindow(title, | |
| 89 SDL_WINDOWPOS_UNDEFINED, | |
| 90 SDL_WINDOWPOS_UNDEFINED, | |
| 91 width, height, windowFlags); | |
| 92 | |
| 93 if (window_ == NULL) | |
| 94 { | |
| 95 LOG(ERROR) << "Cannot create the SDL window: " << SDL_GetError(); | |
| 96 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 97 } | |
| 98 | |
| 99 renderer_ = SDL_CreateRenderer(window_, -1, rendererFlags); | |
| 100 if (!renderer_) | |
| 101 { | |
| 102 LOG(ERROR) << "Cannot create the SDL renderer: " << SDL_GetError(); | |
| 103 SDL_DestroyWindow(window_); | |
| 104 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 | |
| 109 SdlWindow::~SdlWindow() | |
| 110 { | |
| 111 if (renderer_ != NULL) | |
| 112 { | |
| 113 SDL_DestroyRenderer(renderer_); | |
| 114 } | |
| 115 | |
| 116 if (window_ != NULL) | |
| 117 { | |
| 118 SDL_DestroyWindow(window_); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 | |
| 123 unsigned int SdlWindow::GetWidth() const | |
| 124 { | |
| 125 int w = -1; | |
| 126 SDL_GetWindowSize(window_, &w, NULL); | |
| 127 | |
| 128 if (w < 0) | |
| 129 { | |
| 130 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 return static_cast<unsigned int>(w); | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 | |
| 139 unsigned int SdlWindow::GetHeight() const | |
| 140 { | |
| 141 int h = -1; | |
| 142 SDL_GetWindowSize(window_, NULL, &h); | |
| 143 | |
| 144 if (h < 0) | |
| 145 { | |
| 146 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 147 } | |
| 148 else | |
| 149 { | |
| 150 return static_cast<unsigned int>(h); | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 | |
| 155 void SdlWindow::Render(SDL_Surface* surface) | |
| 156 { | |
| 157 //SDL_RenderClear(renderer_); | |
| 158 | |
| 159 SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer_, surface); | |
| 160 if (texture != NULL) | |
| 161 { | |
| 162 SDL_RenderCopy(renderer_, texture, NULL, NULL); | |
| 163 SDL_DestroyTexture(texture); | |
| 164 } | |
| 165 | |
| 166 SDL_RenderPresent(renderer_); | |
| 167 } | |
| 168 | |
| 169 | |
| 170 void SdlWindow::ToggleMaximize() | |
| 171 { | |
| 172 if (maximized_) | |
| 173 { | |
| 174 SDL_RestoreWindow(window_); | |
| 175 maximized_ = false; | |
| 176 } | |
| 177 else | |
| 178 { | |
| 179 SDL_MaximizeWindow(window_); | |
| 180 maximized_ = true; | |
| 181 } | |
| 182 } | |
| 214 | 183 |
| 184 | |
| 185 void SdlWindow::GlobalInitialize() | |
| 186 { | |
| 187 if (SDL_Init(SDL_INIT_VIDEO) != 0) | |
| 188 { | |
| 189 LOG(ERROR) << "Cannot initialize SDL"; | |
| 190 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 | |
| 195 void SdlWindow::GlobalFinalize() | |
| 196 { | |
| 197 SDL_Quit(); | |
| 198 } | |
| 0 | 199 } |
| 200 | |
| 201 #endif |