Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 1402:d910939febfa
Use consistent identifiers for the various platforms we support.
Make sure every source file includes SDL_config.h, so the proper system
headers are chosen.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 21 Feb 2006 08:46:50 +0000 |
| parents | 19418e4422cb |
| children | bb6839704ed6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
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24 #include "SDL_windows.h" |
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25 |
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26 #if defined(_WIN32_WCE) |
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27 |
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28 // defined and used in SDL_sysevents.c |
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29 extern HINSTANCE aygshell; |
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30 |
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31 #endif |
| 0 | 32 |
| 33 /* Not yet in the mingw32 cross-compile headers */ | |
| 34 #ifndef CDS_FULLSCREEN | |
| 35 #define CDS_FULLSCREEN 4 | |
| 36 #endif | |
| 37 | |
| 38 #include "SDL_syswm.h" | |
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39 #include "../SDL_sysvideo.h" |
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40 #include "../SDL_pixels_c.h" |
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41 #include "../../events/SDL_sysevents.h" |
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42 #include "../../events/SDL_events_c.h" |
| 0 | 43 #include "SDL_dibvideo.h" |
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44 #include "../wincommon/SDL_syswm_c.h" |
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45 #include "../wincommon/SDL_sysmouse_c.h" |
| 0 | 46 #include "SDL_dibevents_c.h" |
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47 #include "../wincommon/SDL_wingl_c.h" |
| 0 | 48 |
| 49 #ifdef _WIN32_WCE | |
| 50 #define NO_GETDIBITS | |
| 51 #define NO_CHANGEDISPLAYSETTINGS | |
| 52 #define NO_GAMMA_SUPPORT | |
| 53 #endif | |
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54 #ifndef WS_MAXIMIZE |
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55 #define WS_MAXIMIZE 0 |
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56 #endif |
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57 #ifndef WS_THICKFRAME |
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58 #define WS_THICKFRAME 0 |
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59 #endif |
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60 #ifndef SWP_NOCOPYBITS |
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61 #define SWP_NOCOPYBITS 0 |
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62 #endif |
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63 #ifndef PC_NOCOLLAPSE |
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64 #define PC_NOCOLLAPSE 0 |
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65 #endif |
| 0 | 66 |
| 67 /* Initialization/Query functions */ | |
| 68 static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 69 static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 70 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 71 static int DIB_SetColors(_THIS, int firstcolor, int ncolors, | |
| 72 SDL_Color *colors); | |
| 73 static void DIB_CheckGamma(_THIS); | |
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74 void DIB_SwapGamma(_THIS); |
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75 void DIB_QuitGamma(_THIS); |
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76 int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
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77 int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 0 | 78 static void DIB_VideoQuit(_THIS); |
| 79 | |
| 80 /* Hardware surface functions */ | |
| 81 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 82 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 83 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 84 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 85 | |
| 86 /* Windows message handling functions */ | |
| 87 static void DIB_RealizePalette(_THIS); | |
| 88 static void DIB_PaletteChanged(_THIS, HWND window); | |
| 89 static void DIB_WinPAINT(_THIS, HDC hdc); | |
| 90 | |
| 91 /* helper fn */ | |
| 92 static int DIB_SussScreenDepth(); | |
| 93 | |
| 94 /* DIB driver bootstrap functions */ | |
| 95 | |
| 96 static int DIB_Available(void) | |
| 97 { | |
| 98 return(1); | |
| 99 } | |
| 100 | |
| 101 static void DIB_DeleteDevice(SDL_VideoDevice *device) | |
| 102 { | |
| 103 if ( device ) { | |
| 104 if ( device->hidden ) { | |
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105 SDL_free(device->hidden); |
| 0 | 106 } |
| 107 if ( device->gl_data ) { | |
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108 SDL_free(device->gl_data); |
| 0 | 109 } |
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110 SDL_free(device); |
| 0 | 111 } |
| 112 } | |
| 113 | |
| 114 static SDL_VideoDevice *DIB_CreateDevice(int devindex) | |
| 115 { | |
| 116 SDL_VideoDevice *device; | |
| 117 | |
| 118 /* Initialize all variables that we clean on shutdown */ | |
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119 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 0 | 120 if ( device ) { |
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121 SDL_memset(device, 0, (sizeof *device)); |
| 0 | 122 device->hidden = (struct SDL_PrivateVideoData *) |
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123 SDL_malloc((sizeof *device->hidden)); |
| 0 | 124 device->gl_data = (struct SDL_PrivateGLData *) |
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125 SDL_malloc((sizeof *device->gl_data)); |
| 0 | 126 } |
| 127 if ( (device == NULL) || (device->hidden == NULL) || | |
| 128 (device->gl_data == NULL) ) { | |
| 129 SDL_OutOfMemory(); | |
| 130 DIB_DeleteDevice(device); | |
| 131 return(NULL); | |
| 132 } | |
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133 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
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134 SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); |
| 0 | 135 |
| 136 /* Set the function pointers */ | |
| 137 device->VideoInit = DIB_VideoInit; | |
| 138 device->ListModes = DIB_ListModes; | |
| 139 device->SetVideoMode = DIB_SetVideoMode; | |
| 140 device->UpdateMouse = WIN_UpdateMouse; | |
| 141 device->SetColors = DIB_SetColors; | |
| 142 device->UpdateRects = NULL; | |
| 143 device->VideoQuit = DIB_VideoQuit; | |
| 144 device->AllocHWSurface = DIB_AllocHWSurface; | |
| 145 device->CheckHWBlit = NULL; | |
| 146 device->FillHWRect = NULL; | |
| 147 device->SetHWColorKey = NULL; | |
| 148 device->SetHWAlpha = NULL; | |
| 149 device->LockHWSurface = DIB_LockHWSurface; | |
| 150 device->UnlockHWSurface = DIB_UnlockHWSurface; | |
| 151 device->FlipHWSurface = NULL; | |
| 152 device->FreeHWSurface = DIB_FreeHWSurface; | |
| 153 device->SetGammaRamp = DIB_SetGammaRamp; | |
| 154 device->GetGammaRamp = DIB_GetGammaRamp; | |
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155 #if SDL_VIDEO_OPENGL |
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156 device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
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157 device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
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158 device->GL_GetAttribute = WIN_GL_GetAttribute; |
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159 device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
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160 device->GL_SwapBuffers = WIN_GL_SwapBuffers; |
| 0 | 161 #endif |
| 162 device->SetCaption = WIN_SetWMCaption; | |
| 163 device->SetIcon = WIN_SetWMIcon; | |
| 164 device->IconifyWindow = WIN_IconifyWindow; | |
| 165 device->GrabInput = WIN_GrabInput; | |
| 166 device->GetWMInfo = WIN_GetWMInfo; | |
| 167 device->FreeWMCursor = WIN_FreeWMCursor; | |
| 168 device->CreateWMCursor = WIN_CreateWMCursor; | |
| 169 device->ShowWMCursor = WIN_ShowWMCursor; | |
| 170 device->WarpWMCursor = WIN_WarpWMCursor; | |
| 171 device->CheckMouseMode = WIN_CheckMouseMode; | |
| 172 device->InitOSKeymap = DIB_InitOSKeymap; | |
| 173 device->PumpEvents = DIB_PumpEvents; | |
| 174 | |
| 175 /* Set up the windows message handling functions */ | |
| 176 WIN_RealizePalette = DIB_RealizePalette; | |
| 177 WIN_PaletteChanged = DIB_PaletteChanged; | |
| 178 WIN_WinPAINT = DIB_WinPAINT; | |
| 179 HandleMessage = DIB_HandleMessage; | |
| 180 | |
| 181 device->free = DIB_DeleteDevice; | |
| 182 | |
| 183 /* We're finally ready */ | |
| 184 return device; | |
| 185 } | |
| 186 | |
| 187 VideoBootStrap WINDIB_bootstrap = { | |
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188 "windib", "Win95/98/NT/2000/CE GDI", |
| 0 | 189 DIB_Available, DIB_CreateDevice |
| 190 }; | |
| 191 | |
| 192 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 193 | |
| 194 static int cmpmodes(const void *va, const void *vb) | |
| 195 { | |
| 196 SDL_Rect *a = *(SDL_Rect **)va; | |
| 197 SDL_Rect *b = *(SDL_Rect **)vb; | |
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198 if ( a->w == b->w ) |
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199 return b->h - a->h; |
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200 else |
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201 return b->w - a->w; |
| 0 | 202 } |
| 203 | |
| 204 static int DIB_AddMode(_THIS, int bpp, int w, int h) | |
| 205 { | |
| 206 SDL_Rect *mode; | |
| 207 int i, index; | |
| 208 int next_mode; | |
| 209 | |
| 210 /* Check to see if we already have this mode */ | |
| 211 if ( bpp < 8 ) { /* Not supported */ | |
| 212 return(0); | |
| 213 } | |
| 214 index = ((bpp+7)/8)-1; | |
| 215 for ( i=0; i<SDL_nummodes[index]; ++i ) { | |
| 216 mode = SDL_modelist[index][i]; | |
| 217 if ( (mode->w == w) && (mode->h == h) ) { | |
| 218 return(0); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 /* Set up the new video mode rectangle */ | |
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223 mode = (SDL_Rect *)SDL_malloc(sizeof *mode); |
| 0 | 224 if ( mode == NULL ) { |
| 225 SDL_OutOfMemory(); | |
| 226 return(-1); | |
| 227 } | |
| 228 mode->x = 0; | |
| 229 mode->y = 0; | |
| 230 mode->w = w; | |
| 231 mode->h = h; | |
| 232 | |
| 233 /* Allocate the new list of modes, and fill in the new mode */ | |
| 234 next_mode = SDL_nummodes[index]; | |
| 235 SDL_modelist[index] = (SDL_Rect **) | |
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236 SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); |
| 0 | 237 if ( SDL_modelist[index] == NULL ) { |
| 238 SDL_OutOfMemory(); | |
| 239 SDL_nummodes[index] = 0; | |
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240 SDL_free(mode); |
| 0 | 241 return(-1); |
| 242 } | |
| 243 SDL_modelist[index][next_mode] = mode; | |
| 244 SDL_modelist[index][next_mode+1] = NULL; | |
| 245 SDL_nummodes[index]++; | |
| 246 | |
| 247 return(0); | |
| 248 } | |
| 249 | |
| 250 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 251 | |
| 252 static HPALETTE DIB_CreatePalette(int bpp) | |
| 253 { | |
| 254 /* RJR: March 28, 2000 | |
| 255 moved palette creation here from "DIB_VideoInit" */ | |
| 256 | |
| 257 HPALETTE handle = NULL; | |
| 258 | |
| 259 if ( bpp <= 8 ) | |
| 260 { | |
| 261 LOGPALETTE *palette; | |
| 262 HDC hdc; | |
| 263 int ncolors; | |
| 264 int i; | |
| 265 | |
| 266 ncolors = 1; | |
| 267 for ( i=0; i<bpp; ++i ) { | |
| 268 ncolors *= 2; | |
| 269 } | |
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270 palette = (LOGPALETTE *)SDL_malloc(sizeof(*palette)+ |
| 0 | 271 ncolors*sizeof(PALETTEENTRY)); |
| 272 palette->palVersion = 0x300; | |
| 273 palette->palNumEntries = ncolors; | |
| 274 hdc = GetDC(SDL_Window); | |
| 275 GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); | |
| 276 ReleaseDC(SDL_Window, hdc); | |
| 277 handle = CreatePalette(palette); | |
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278 SDL_free(palette); |
| 0 | 279 } |
| 280 | |
| 281 return handle; | |
| 282 } | |
| 283 | |
| 284 int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 285 { | |
| 286 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 287 int i; | |
| 288 DEVMODE settings; | |
| 289 #endif | |
| 290 | |
| 291 /* Create the window */ | |
| 292 if ( DIB_CreateWindow(this) < 0 ) { | |
| 293 return(-1); | |
| 294 } | |
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295 #if !SDL_AUDIO_DISABLED |
| 0 | 296 DX5_SoundFocus(SDL_Window); |
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297 #endif |
| 0 | 298 |
| 299 /* Determine the screen depth */ | |
| 300 vformat->BitsPerPixel = DIB_SussScreenDepth(); | |
| 301 switch (vformat->BitsPerPixel) { | |
| 302 case 15: | |
| 303 vformat->Rmask = 0x00007c00; | |
| 304 vformat->Gmask = 0x000003e0; | |
| 305 vformat->Bmask = 0x0000001f; | |
| 306 vformat->BitsPerPixel = 16; | |
| 307 break; | |
| 308 case 16: | |
| 309 vformat->Rmask = 0x0000f800; | |
| 310 vformat->Gmask = 0x000007e0; | |
| 311 vformat->Bmask = 0x0000001f; | |
| 312 break; | |
| 313 case 24: | |
| 314 case 32: | |
| 315 /* GDI defined as 8-8-8 */ | |
| 316 vformat->Rmask = 0x00ff0000; | |
| 317 vformat->Gmask = 0x0000ff00; | |
| 318 vformat->Bmask = 0x000000ff; | |
| 319 break; | |
| 320 default: | |
| 321 break; | |
| 322 } | |
| 323 | |
| 324 /* See if gamma is supported on this screen */ | |
| 325 DIB_CheckGamma(this); | |
| 326 | |
| 327 #ifndef NO_CHANGEDISPLAYSETTINGS | |
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328 /* Query for the desktop resolution */ |
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329 EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode); |
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330 |
| 0 | 331 /* Query for the list of available video modes */ |
| 332 for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { | |
| 333 DIB_AddMode(this, settings.dmBitsPerPel, | |
| 334 settings.dmPelsWidth, settings.dmPelsHeight); | |
| 335 } | |
| 336 /* Sort the mode lists */ | |
| 337 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 338 if ( SDL_nummodes[i] > 0 ) { | |
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339 SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); |
| 0 | 340 } |
| 341 } | |
| 342 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 343 | |
| 344 /* Grab an identity palette if we are in a palettized mode */ | |
| 345 if ( vformat->BitsPerPixel <= 8 ) { | |
| 346 /* RJR: March 28, 2000 | |
| 347 moved palette creation to "DIB_CreatePalette" */ | |
| 348 screen_pal = DIB_CreatePalette(vformat->BitsPerPixel); | |
| 349 } | |
| 350 | |
| 351 /* Fill in some window manager capabilities */ | |
| 352 this->info.wm_available = 1; | |
| 353 | |
| 354 /* We're done! */ | |
| 355 return(0); | |
| 356 } | |
| 357 | |
| 358 /* We support any format at any dimension */ | |
| 359 SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 360 { | |
| 361 #ifdef NO_CHANGEDISPLAYSETTINGS | |
| 362 return((SDL_Rect **)-1); | |
| 363 #else | |
| 364 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 365 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 366 } else { | |
| 367 return((SDL_Rect **)-1); | |
| 368 } | |
| 369 #endif | |
| 370 } | |
| 371 | |
| 372 | |
| 373 /* | |
| 374 Helper fn to work out which screen depth windows is currently using. | |
| 375 15 bit mode is considered 555 format, 16 bit is 565. | |
| 376 returns 0 for unknown mode. | |
| 377 (Derived from code in sept 1999 Windows Developer Journal | |
| 378 http://www.wdj.com/code/archive.html) | |
| 379 */ | |
| 380 static int DIB_SussScreenDepth() | |
| 381 { | |
| 382 #ifdef NO_GETDIBITS | |
| 383 int depth; | |
| 384 HDC hdc; | |
| 385 | |
| 386 hdc = GetDC(SDL_Window); | |
| 387 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); | |
| 388 ReleaseDC(SDL_Window, hdc); | |
| 389 return(depth); | |
| 390 #else | |
| 391 int dib_size; | |
| 392 LPBITMAPINFOHEADER dib_hdr; | |
| 393 HDC hdc; | |
| 394 HBITMAP hbm; | |
| 395 | |
| 396 /* Allocate enough space for a DIB header plus palette (for | |
| 397 * 8-bit modes) or bitfields (for 16- and 32-bit modes) | |
| 398 */ | |
| 399 dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); | |
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400 dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size); |
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401 SDL_memset(dib_hdr, 0, dib_size); |
| 0 | 402 dib_hdr->biSize = sizeof(BITMAPINFOHEADER); |
| 403 | |
| 404 /* Get a device-dependent bitmap that's compatible with the | |
| 405 screen. | |
| 406 */ | |
| 407 hdc = GetDC(NULL); | |
| 408 hbm = CreateCompatibleBitmap( hdc, 1, 1 ); | |
| 409 | |
| 410 /* Convert the DDB to a DIB. We need to call GetDIBits twice: | |
| 411 * the first call just fills in the BITMAPINFOHEADER; the | |
| 412 * second fills in the bitfields or palette. | |
| 413 */ | |
| 414 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 415 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 416 DeleteObject(hbm); | |
| 417 ReleaseDC(NULL, hdc); | |
| 418 | |
| 419 switch( dib_hdr->biBitCount ) | |
| 420 { | |
| 421 case 8: return 8; | |
| 422 case 24: return 24; | |
| 423 case 32: return 32; | |
| 424 case 16: | |
| 425 if( dib_hdr->biCompression == BI_BITFIELDS ) { | |
| 426 /* check the red mask */ | |
| 427 switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { | |
| 428 case 0xf800: return 16; /* 565 */ | |
| 429 case 0x7c00: return 15; /* 555 */ | |
| 430 } | |
| 431 } | |
| 432 } | |
| 433 return 0; /* poo. */ | |
| 434 #endif /* NO_GETDIBITS */ | |
| 435 } | |
| 436 | |
| 437 | |
| 438 /* Various screen update functions available */ | |
| 439 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 440 | |
| 441 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 442 int width, int height, int bpp, Uint32 flags) | |
| 443 { | |
| 444 SDL_Surface *video; | |
| 445 Uint32 prev_flags; | |
| 446 DWORD style; | |
| 447 const DWORD directstyle = | |
| 448 (WS_POPUP); | |
| 449 const DWORD windowstyle = | |
| 450 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); | |
| 451 const DWORD resizestyle = | |
| 452 (WS_THICKFRAME|WS_MAXIMIZEBOX); | |
| 453 int binfo_size; | |
| 454 BITMAPINFO *binfo; | |
| 455 HDC hdc; | |
| 456 RECT bounds; | |
| 457 int x, y; | |
| 458 Uint32 Rmask, Gmask, Bmask; | |
| 459 | |
| 460 /* Clean up any GL context that may be hanging around */ | |
| 461 if ( current->flags & SDL_OPENGL ) { | |
| 462 WIN_GL_ShutDown(this); | |
| 463 } | |
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464 SDL_resizing = 1; |
| 0 | 465 |
| 466 /* Recalculate the bitmasks if necessary */ | |
| 467 if ( bpp == current->format->BitsPerPixel ) { | |
| 468 video = current; | |
| 469 } else { | |
| 470 switch (bpp) { | |
| 471 case 15: | |
| 472 case 16: | |
| 473 if ( DIB_SussScreenDepth() == 15 ) { | |
| 474 /* 5-5-5 */ | |
| 475 Rmask = 0x00007c00; | |
| 476 Gmask = 0x000003e0; | |
| 477 Bmask = 0x0000001f; | |
| 478 } else { | |
| 479 /* 5-6-5 */ | |
| 480 Rmask = 0x0000f800; | |
| 481 Gmask = 0x000007e0; | |
| 482 Bmask = 0x0000001f; | |
| 483 } | |
| 484 break; | |
| 485 case 24: | |
| 486 case 32: | |
| 487 /* GDI defined as 8-8-8 */ | |
| 488 Rmask = 0x00ff0000; | |
| 489 Gmask = 0x0000ff00; | |
| 490 Bmask = 0x000000ff; | |
| 491 break; | |
| 492 default: | |
| 493 Rmask = 0x00000000; | |
| 494 Gmask = 0x00000000; | |
| 495 Bmask = 0x00000000; | |
| 496 break; | |
| 497 } | |
| 498 video = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 499 0, 0, bpp, Rmask, Gmask, Bmask, 0); | |
| 500 if ( video == NULL ) { | |
| 501 SDL_OutOfMemory(); | |
| 502 return(NULL); | |
| 503 } | |
| 504 } | |
| 505 | |
| 506 /* Fill in part of the video surface */ | |
| 507 prev_flags = video->flags; | |
| 508 video->flags = 0; /* Clear flags */ | |
| 509 video->w = width; | |
| 510 video->h = height; | |
| 511 video->pitch = SDL_CalculatePitch(video); | |
| 512 | |
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513 /* Small fix for WinCE/Win32 - when activating window |
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514 SDL_VideoSurface is equal to zero, so activating code |
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515 is not called properly for fullscreen windows because |
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516 macros WINDIB_FULLSCREEN uses SDL_VideoSurface |
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517 */ |
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518 SDL_VideoSurface = video; |
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519 |
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520 #if defined(_WIN32_WCE) |
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521 if ( flags & SDL_FULLSCREEN ) |
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514
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522 video->flags |= SDL_FULLSCREEN; |
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523 #endif |
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524 |
| 0 | 525 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 526 /* Set fullscreen mode if appropriate */ | |
| 527 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 528 DEVMODE settings; | |
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529 BOOL changed; |
| 0 | 530 |
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531 SDL_memset(&settings, 0, sizeof(DEVMODE)); |
| 0 | 532 settings.dmSize = sizeof(DEVMODE); |
| 533 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 534 settings.dmPelsWidth = width; | |
| 535 settings.dmPelsHeight = height; | |
| 536 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
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537 if ( width <= (int)SDL_desktop_mode.dmPelsWidth && |
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538 height <= (int)SDL_desktop_mode.dmPelsHeight ) { |
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539 settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency; |
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540 settings.dmFields |= DM_DISPLAYFREQUENCY; |
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541 } |
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542 changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); |
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543 if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) { |
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544 settings.dmFields &= ~DM_DISPLAYFREQUENCY; |
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545 changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); |
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546 } |
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547 if ( changed ) { |
| 0 | 548 video->flags |= SDL_FULLSCREEN; |
|
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549 SDL_fullscreen_mode = settings; |
| 0 | 550 } |
| 551 } | |
| 552 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 553 | |
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554 /* Reset the palette and create a new one if necessary */ |
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555 if ( screen_pal != NULL ) { |
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556 /* RJR: March 28, 2000 |
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557 delete identity palette if switching from a palettized mode */ |
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558 DeleteObject(screen_pal); |
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559 screen_pal = NULL; |
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560 } |
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561 if ( bpp <= 8 ) |
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562 { |
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563 /* RJR: March 28, 2000 |
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564 create identity palette switching to a palettized mode */ |
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565 screen_pal = DIB_CreatePalette(bpp); |
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566 } |
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567 |
| 0 | 568 style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 569 style &= ~(resizestyle|WS_MAXIMIZE); | |
| 570 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 571 style &= ~windowstyle; | |
| 572 style |= directstyle; | |
| 573 } else { | |
| 574 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 575 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 576 ChangeDisplaySettings(NULL, 0); | |
| 577 } | |
| 578 #endif | |
| 579 if ( flags & SDL_NOFRAME ) { | |
| 580 style &= ~windowstyle; | |
| 581 style |= directstyle; | |
| 582 video->flags |= SDL_NOFRAME; | |
| 583 } else { | |
| 584 style &= ~directstyle; | |
| 585 style |= windowstyle; | |
| 586 if ( flags & SDL_RESIZABLE ) { | |
| 587 style |= resizestyle; | |
| 588 video->flags |= SDL_RESIZABLE; | |
| 589 } | |
| 590 } | |
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591 #if WS_MAXIMIZE |
| 0 | 592 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
|
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593 #endif |
| 0 | 594 } |
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595 |
|
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596 /* DJM: Don't piss of anyone who has setup his own window */ |
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597 if ( !SDL_windowid ) |
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598 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 599 |
| 600 /* Delete the old bitmap if necessary */ | |
| 601 if ( screen_bmp != NULL ) { | |
| 602 DeleteObject(screen_bmp); | |
| 603 } | |
| 604 if ( ! (flags & SDL_OPENGL) ) { | |
| 605 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 606 | |
| 607 /* Suss out the bitmap info header */ | |
| 608 binfo_size = sizeof(*binfo); | |
| 609 if( is16bitmode ) { | |
| 610 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 611 binfo_size += 3*sizeof(DWORD); | |
| 612 } else if ( video->format->palette ) { | |
| 613 binfo_size += video->format->palette->ncolors * | |
| 614 sizeof(RGBQUAD); | |
| 615 } | |
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616 binfo = (BITMAPINFO *)SDL_malloc(binfo_size); |
| 0 | 617 if ( ! binfo ) { |
| 618 if ( video != current ) { | |
| 619 SDL_FreeSurface(video); | |
| 620 } | |
| 621 SDL_OutOfMemory(); | |
| 622 return(NULL); | |
| 623 } | |
| 624 | |
| 625 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 626 binfo->bmiHeader.biWidth = video->w; | |
| 627 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 628 binfo->bmiHeader.biPlanes = 1; | |
| 629 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 630 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 631 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 632 binfo->bmiHeader.biClrUsed = 0; | |
| 633 binfo->bmiHeader.biClrImportant = 0; | |
| 634 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 635 | |
| 636 if ( is16bitmode ) { | |
| 637 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 638 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 639 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 640 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 641 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 642 } else { | |
| 643 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 644 if ( video->format->palette ) { | |
|
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645 SDL_memset(binfo->bmiColors, 0, |
| 0 | 646 video->format->palette->ncolors*sizeof(RGBQUAD)); |
| 647 } | |
| 648 } | |
| 649 | |
| 650 /* Create the offscreen bitmap buffer */ | |
| 651 hdc = GetDC(SDL_Window); | |
| 652 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 653 (void **)(&video->pixels), NULL, 0); | |
| 654 ReleaseDC(SDL_Window, hdc); | |
|
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655 SDL_free(binfo); |
| 0 | 656 if ( screen_bmp == NULL ) { |
| 657 if ( video != current ) { | |
| 658 SDL_FreeSurface(video); | |
| 659 } | |
| 660 SDL_SetError("Couldn't create DIB section"); | |
| 661 return(NULL); | |
| 662 } | |
| 663 this->UpdateRects = DIB_NormalUpdate; | |
| 664 | |
| 665 /* Set video surface flags */ | |
| 666 if ( bpp <= 8 ) { | |
| 667 /* BitBlt() maps colors for us */ | |
| 668 video->flags |= SDL_HWPALETTE; | |
| 669 } | |
| 670 } | |
| 671 | |
| 672 /* Resize the window */ | |
|
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673 if ( !SDL_windowid && !IsZoomed(SDL_Window) ) { |
|
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674 HWND top; |
| 0 | 675 UINT swp_flags; |
|
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676 const char *window = NULL; |
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677 const char *center = NULL; |
|
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678 |
|
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679 if ( !SDL_windowX && !SDL_windowY ) { |
|
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680 window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
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681 center = SDL_getenv("SDL_VIDEO_CENTERED"); |
|
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682 if ( window ) { |
|
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683 if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) { |
|
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684 SDL_windowX = x; |
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685 SDL_windowY = y; |
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686 } |
|
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687 if ( SDL_strcmp(window, "center") == 0 ) { |
|
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688 center = window; |
|
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689 } |
|
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690 } |
|
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691 } |
|
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692 swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); |
| 0 | 693 |
|
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694 bounds.left = SDL_windowX; |
|
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695 bounds.top = SDL_windowY; |
|
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696 bounds.right = SDL_windowX+video->w; |
|
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697 bounds.bottom = SDL_windowY+video->h; |
|
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698 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE, 0); |
| 0 | 699 width = bounds.right-bounds.left; |
| 700 height = bounds.bottom-bounds.top; | |
|
833
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701 if ( (flags & SDL_FULLSCREEN) ) { |
|
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702 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
|
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703 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
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704 } else if ( center ) { |
|
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705 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
|
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|
706 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
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707 } else if ( SDL_windowX || SDL_windowY || window ) { |
|
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708 x = bounds.left; |
|
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|
709 y = bounds.top; |
|
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|
710 } else { |
|
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711 x = y = -1; |
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|
712 swp_flags |= SWP_NOMOVE; |
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713 } |
|
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714 if ( flags & SDL_FULLSCREEN ) { |
|
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715 top = HWND_TOPMOST; |
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716 } else { |
|
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|
717 top = HWND_NOTOPMOST; |
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718 } |
|
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719 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
|
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720 if ( !(flags & SDL_FULLSCREEN) ) { |
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721 SDL_windowX = SDL_bounds.left; |
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722 SDL_windowY = SDL_bounds.top; |
|
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|
723 } |
| 0 | 724 SetForegroundWindow(SDL_Window); |
| 725 } | |
|
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|
726 SDL_resizing = 0; |
| 0 | 727 |
| 728 /* Set up for OpenGL */ | |
| 729 if ( flags & SDL_OPENGL ) { | |
| 730 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 731 return(NULL); | |
| 732 } | |
| 733 video->flags |= SDL_OPENGL; | |
| 734 } | |
|
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|
735 |
| 0 | 736 /* We're live! */ |
| 737 return(video); | |
| 738 } | |
| 739 | |
| 740 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 741 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 742 { | |
| 743 return(-1); | |
| 744 } | |
| 745 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 746 { | |
| 747 return; | |
| 748 } | |
| 749 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 750 { | |
| 751 return(0); | |
| 752 } | |
| 753 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 754 { | |
| 755 return; | |
| 756 } | |
| 757 | |
| 758 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 759 { | |
| 760 HDC hdc, mdc; | |
| 761 int i; | |
| 762 | |
| 763 hdc = GetDC(SDL_Window); | |
| 764 if ( screen_pal ) { | |
| 765 SelectPalette(hdc, screen_pal, FALSE); | |
| 766 } | |
| 767 mdc = CreateCompatibleDC(hdc); | |
| 768 SelectObject(mdc, screen_bmp); | |
| 769 for ( i=0; i<numrects; ++i ) { | |
| 770 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 771 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 772 } | |
| 773 DeleteDC(mdc); | |
| 774 ReleaseDC(SDL_Window, hdc); | |
| 775 } | |
| 776 | |
|
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777 |
| 0 | 778 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 779 { | |
|
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|
780 #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
|
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|
781 HDC hdc, mdc; |
| 0 | 782 RGBQUAD *pal; |
|
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783 #else |
|
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784 HDC hdc; |
|
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785 #endif |
|
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|
786 int i; |
| 0 | 787 |
| 788 /* Update the display palette */ | |
| 789 hdc = GetDC(SDL_Window); | |
| 790 if ( screen_pal ) { | |
| 791 PALETTEENTRY *entries; | |
| 792 | |
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|
793 entries = SDL_stack_alloc(PALETTEENTRY, ncolors); |
| 0 | 794 for ( i=0; i<ncolors; ++i ) { |
| 795 entries[i].peRed = colors[i].r; | |
| 796 entries[i].peGreen = colors[i].g; | |
| 797 entries[i].peBlue = colors[i].b; | |
| 798 entries[i].peFlags = PC_NOCOLLAPSE; | |
| 799 } | |
| 800 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 801 SelectPalette(hdc, screen_pal, FALSE); | |
| 802 RealizePalette(hdc); | |
|
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803 SDL_stack_free(entries); |
| 0 | 804 } |
| 805 | |
|
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|
806 #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
| 0 | 807 /* Copy palette colors into DIB palette */ |
|
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808 pal = SDL_stack_alloc(RGBQUAD, ncolors); |
| 0 | 809 for ( i=0; i<ncolors; ++i ) { |
| 810 pal[i].rgbRed = colors[i].r; | |
| 811 pal[i].rgbGreen = colors[i].g; | |
| 812 pal[i].rgbBlue = colors[i].b; | |
| 813 pal[i].rgbReserved = 0; | |
| 814 } | |
| 815 | |
| 816 /* Set the DIB palette and update the display */ | |
| 817 mdc = CreateCompatibleDC(hdc); | |
| 818 SelectObject(mdc, screen_bmp); | |
| 819 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 820 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 821 mdc, 0, 0, SRCCOPY); | |
| 822 DeleteDC(mdc); | |
|
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823 SDL_stack_free(pal); |
|
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|
824 #endif |
| 0 | 825 ReleaseDC(SDL_Window, hdc); |
| 826 return(1); | |
| 827 } | |
| 828 | |
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829 |
| 0 | 830 static void DIB_CheckGamma(_THIS) |
| 831 { | |
| 832 #ifndef NO_GAMMA_SUPPORT | |
| 833 HDC hdc; | |
| 834 WORD ramp[3*256]; | |
| 835 | |
| 836 /* If we fail to get gamma, disable gamma control */ | |
| 837 hdc = GetDC(SDL_Window); | |
| 838 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 839 this->GetGammaRamp = NULL; | |
| 840 this->SetGammaRamp = NULL; | |
| 841 } | |
| 842 ReleaseDC(SDL_Window, hdc); | |
| 843 #endif /* !NO_GAMMA_SUPPORT */ | |
| 844 } | |
|
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Fixed gamma ramps in DirectX windowed and OpenGL modes
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|
845 void DIB_SwapGamma(_THIS) |
| 0 | 846 { |
| 847 #ifndef NO_GAMMA_SUPPORT | |
| 848 HDC hdc; | |
| 849 | |
| 850 if ( gamma_saved ) { | |
| 851 hdc = GetDC(SDL_Window); | |
| 852 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 853 /* About to leave active state, restore gamma */ | |
| 854 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 855 } else { | |
| 856 /* About to enter active state, set game gamma */ | |
| 857 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 858 SetDeviceGammaRamp(hdc, this->gamma); | |
| 859 } | |
| 860 ReleaseDC(SDL_Window, hdc); | |
| 861 } | |
| 862 #endif /* !NO_GAMMA_SUPPORT */ | |
| 863 } | |
|
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|
864 void DIB_QuitGamma(_THIS) |
| 0 | 865 { |
| 866 #ifndef NO_GAMMA_SUPPORT | |
| 867 if ( gamma_saved ) { | |
| 868 /* Restore the original gamma if necessary */ | |
| 869 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 870 HDC hdc; | |
| 871 | |
| 872 hdc = GetDC(SDL_Window); | |
| 873 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 874 ReleaseDC(SDL_Window, hdc); | |
| 875 } | |
| 876 | |
| 877 /* Free the saved gamma memory */ | |
|
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878 SDL_free(gamma_saved); |
| 0 | 879 gamma_saved = 0; |
| 880 } | |
| 881 #endif /* !NO_GAMMA_SUPPORT */ | |
| 882 } | |
| 883 | |
|
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884 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 885 { |
|
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886 #ifdef NO_GAMMA_SUPPORT |
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887 SDL_SetError("SDL compiled without gamma ramp support"); |
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888 return -1; |
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889 #else |
| 0 | 890 HDC hdc; |
| 891 BOOL succeeded; | |
| 892 | |
| 893 /* Set the ramp for the display */ | |
| 894 if ( ! gamma_saved ) { | |
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895 gamma_saved = (WORD *)SDL_malloc(3*256*sizeof(*gamma_saved)); |
| 0 | 896 if ( ! gamma_saved ) { |
| 897 SDL_OutOfMemory(); | |
| 898 return -1; | |
| 899 } | |
| 900 hdc = GetDC(SDL_Window); | |
| 901 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 902 ReleaseDC(SDL_Window, hdc); | |
| 903 } | |
| 904 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 905 hdc = GetDC(SDL_Window); | |
| 906 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 907 ReleaseDC(SDL_Window, hdc); | |
| 908 } else { | |
| 909 succeeded = TRUE; | |
| 910 } | |
| 911 return succeeded ? 0 : -1; | |
|
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912 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 913 } |
| 914 | |
|
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915 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 916 { |
|
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917 #ifdef NO_GAMMA_SUPPORT |
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918 SDL_SetError("SDL compiled without gamma ramp support"); |
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919 return -1; |
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920 #else |
| 0 | 921 HDC hdc; |
| 922 BOOL succeeded; | |
| 923 | |
| 924 /* Get the ramp from the display */ | |
| 925 hdc = GetDC(SDL_Window); | |
| 926 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 927 ReleaseDC(SDL_Window, hdc); | |
| 928 return succeeded ? 0 : -1; | |
|
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929 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 930 } |
| 931 | |
|
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932 static void FlushMessageQueue() |
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933 { |
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934 MSG msg; |
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935 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
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936 if ( msg.message == WM_QUIT ) break; |
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937 TranslateMessage( &msg ); |
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938 DispatchMessage( &msg ); |
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939 } |
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940 } |
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941 |
| 0 | 942 void DIB_VideoQuit(_THIS) |
| 943 { | |
| 944 /* Destroy the window and everything associated with it */ | |
| 945 if ( SDL_Window ) { | |
| 946 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 947 if ( this->screen ) { | |
| 948 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 949 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 950 ChangeDisplaySettings(NULL, 0); | |
|
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951 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 952 } |
| 953 #endif | |
| 954 if ( this->screen->flags & SDL_OPENGL ) { | |
| 955 WIN_GL_ShutDown(this); | |
| 956 } | |
| 957 this->screen->pixels = NULL; | |
| 958 } | |
| 959 if ( screen_bmp ) { | |
| 960 DeleteObject(screen_bmp); | |
| 961 screen_bmp = NULL; | |
| 962 } | |
| 963 if ( screen_icn ) { | |
| 964 DestroyIcon(screen_icn); | |
| 965 screen_icn = NULL; | |
| 966 } | |
| 967 DIB_QuitGamma(this); | |
| 968 DIB_DestroyWindow(this); | |
|
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969 FlushMessageQueue(); |
| 0 | 970 |
| 971 SDL_Window = NULL; | |
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972 |
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973 #if defined(_WIN32_WCE) |
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974 |
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975 // Unload wince aygshell library to prevent leak |
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976 if( aygshell ) |
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977 { |
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978 FreeLibrary(aygshell); |
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979 aygshell = NULL; |
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980 } |
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981 #endif |
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982 |
| 0 | 983 } |
| 984 } | |
| 985 | |
| 986 /* Exported for the windows message loop only */ | |
| 987 static void DIB_FocusPalette(_THIS, int foreground) | |
| 988 { | |
| 989 if ( screen_pal != NULL ) { | |
| 990 HDC hdc; | |
| 991 | |
| 992 hdc = GetDC(SDL_Window); | |
| 993 SelectPalette(hdc, screen_pal, FALSE); | |
| 994 if ( RealizePalette(hdc) ) | |
| 995 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 996 ReleaseDC(SDL_Window, hdc); | |
| 997 } | |
| 998 } | |
| 999 static void DIB_RealizePalette(_THIS) | |
| 1000 { | |
| 1001 DIB_FocusPalette(this, 1); | |
| 1002 } | |
| 1003 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 1004 { | |
| 1005 if ( window != SDL_Window ) { | |
| 1006 DIB_FocusPalette(this, 0); | |
| 1007 } | |
| 1008 } | |
| 1009 | |
| 1010 /* Exported for the windows message loop only */ | |
| 1011 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 1012 { | |
| 1013 HDC mdc; | |
| 1014 | |
| 1015 if ( screen_pal ) { | |
| 1016 SelectPalette(hdc, screen_pal, FALSE); | |
| 1017 } | |
| 1018 mdc = CreateCompatibleDC(hdc); | |
| 1019 SelectObject(mdc, screen_bmp); | |
| 1020 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 1021 mdc, 0, 0, SRCCOPY); | |
| 1022 DeleteDC(mdc); | |
| 1023 } | |
| 1024 | |
| 1025 /* Stub in case DirectX isn't available */ | |
|
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1026 #if !SDL_AUDIO_DRIVER_DSOUND |
| 0 | 1027 void DX5_SoundFocus(HWND hwnd) |
| 1028 { | |
| 1029 return; | |
| 1030 } | |
| 1031 #endif |