Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 514:1080bfc4aa96
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 06 Oct 2002 20:25:05 +0000 |
| parents | a6fa62b1be09 |
| children | 230b156829ed |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdio.h> | |
| 29 #include <stdlib.h> | |
| 30 #include <malloc.h> | |
| 31 #include <windows.h> | |
|
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32 #ifdef HAVE_AYGSHELL |
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33 #include <aygshell.h> |
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34 #endif |
| 0 | 35 |
| 36 /* Not yet in the mingw32 cross-compile headers */ | |
| 37 #ifndef CDS_FULLSCREEN | |
| 38 #define CDS_FULLSCREEN 4 | |
| 39 #endif | |
| 40 | |
| 41 #include "SDL.h" | |
| 42 #include "SDL_mutex.h" | |
| 43 #include "SDL_syswm.h" | |
| 44 #include "SDL_sysvideo.h" | |
| 45 #include "SDL_sysevents.h" | |
| 46 #include "SDL_events_c.h" | |
| 47 #include "SDL_pixels_c.h" | |
| 48 #include "SDL_dibvideo.h" | |
| 49 #include "SDL_syswm_c.h" | |
| 50 #include "SDL_sysmouse_c.h" | |
| 51 #include "SDL_dibevents_c.h" | |
| 52 #include "SDL_wingl_c.h" | |
| 53 | |
| 54 #ifdef _WIN32_WCE | |
| 55 #define NO_GETDIBITS | |
| 56 #define NO_CHANGEDISPLAYSETTINGS | |
| 57 #define NO_GAMMA_SUPPORT | |
| 58 #endif | |
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59 #ifndef WS_MAXIMIZE |
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60 #define WS_MAXIMIZE 0 |
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61 #endif |
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62 #ifndef SWP_NOCOPYBITS |
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63 #define SWP_NOCOPYBITS 0 |
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64 #endif |
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65 #ifndef PC_NOCOLLAPSE |
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66 #define PC_NOCOLLAPSE 0 |
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67 #endif |
| 0 | 68 |
| 69 /* Initialization/Query functions */ | |
| 70 static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 71 static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 72 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 73 static int DIB_SetColors(_THIS, int firstcolor, int ncolors, | |
| 74 SDL_Color *colors); | |
| 75 static void DIB_CheckGamma(_THIS); | |
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76 void DIB_SwapGamma(_THIS); |
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77 void DIB_QuitGamma(_THIS); |
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78 int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
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79 int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 0 | 80 static void DIB_VideoQuit(_THIS); |
| 81 | |
| 82 /* Hardware surface functions */ | |
| 83 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 84 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 85 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 86 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 87 | |
| 88 /* Windows message handling functions */ | |
| 89 static void DIB_RealizePalette(_THIS); | |
| 90 static void DIB_PaletteChanged(_THIS, HWND window); | |
| 91 static void DIB_WinPAINT(_THIS, HDC hdc); | |
| 92 | |
| 93 /* helper fn */ | |
| 94 static int DIB_SussScreenDepth(); | |
| 95 | |
| 96 /* DIB driver bootstrap functions */ | |
| 97 | |
| 98 static int DIB_Available(void) | |
| 99 { | |
| 100 return(1); | |
| 101 } | |
| 102 | |
| 103 static void DIB_DeleteDevice(SDL_VideoDevice *device) | |
| 104 { | |
| 105 if ( device ) { | |
| 106 if ( device->hidden ) { | |
| 107 free(device->hidden); | |
| 108 } | |
| 109 if ( device->gl_data ) { | |
| 110 free(device->gl_data); | |
| 111 } | |
| 112 free(device); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 static SDL_VideoDevice *DIB_CreateDevice(int devindex) | |
| 117 { | |
| 118 SDL_VideoDevice *device; | |
| 119 | |
| 120 /* Initialize all variables that we clean on shutdown */ | |
| 121 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 122 if ( device ) { | |
| 123 memset(device, 0, (sizeof *device)); | |
| 124 device->hidden = (struct SDL_PrivateVideoData *) | |
| 125 malloc((sizeof *device->hidden)); | |
| 126 device->gl_data = (struct SDL_PrivateGLData *) | |
| 127 malloc((sizeof *device->gl_data)); | |
| 128 } | |
| 129 if ( (device == NULL) || (device->hidden == NULL) || | |
| 130 (device->gl_data == NULL) ) { | |
| 131 SDL_OutOfMemory(); | |
| 132 DIB_DeleteDevice(device); | |
| 133 return(NULL); | |
| 134 } | |
| 135 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 136 memset(device->gl_data, 0, (sizeof *device->gl_data)); | |
| 137 | |
| 138 /* Set the function pointers */ | |
| 139 device->VideoInit = DIB_VideoInit; | |
| 140 device->ListModes = DIB_ListModes; | |
| 141 device->SetVideoMode = DIB_SetVideoMode; | |
| 142 device->UpdateMouse = WIN_UpdateMouse; | |
| 143 device->SetColors = DIB_SetColors; | |
| 144 device->UpdateRects = NULL; | |
| 145 device->VideoQuit = DIB_VideoQuit; | |
| 146 device->AllocHWSurface = DIB_AllocHWSurface; | |
| 147 device->CheckHWBlit = NULL; | |
| 148 device->FillHWRect = NULL; | |
| 149 device->SetHWColorKey = NULL; | |
| 150 device->SetHWAlpha = NULL; | |
| 151 device->LockHWSurface = DIB_LockHWSurface; | |
| 152 device->UnlockHWSurface = DIB_UnlockHWSurface; | |
| 153 device->FlipHWSurface = NULL; | |
| 154 device->FreeHWSurface = DIB_FreeHWSurface; | |
| 155 device->SetGammaRamp = DIB_SetGammaRamp; | |
| 156 device->GetGammaRamp = DIB_GetGammaRamp; | |
| 157 #ifdef HAVE_OPENGL | |
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158 device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
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159 device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
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160 device->GL_GetAttribute = WIN_GL_GetAttribute; |
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161 device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
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162 device->GL_SwapBuffers = WIN_GL_SwapBuffers; |
| 0 | 163 #endif |
| 164 device->SetCaption = WIN_SetWMCaption; | |
| 165 device->SetIcon = WIN_SetWMIcon; | |
| 166 device->IconifyWindow = WIN_IconifyWindow; | |
| 167 device->GrabInput = WIN_GrabInput; | |
| 168 device->GetWMInfo = WIN_GetWMInfo; | |
| 169 device->FreeWMCursor = WIN_FreeWMCursor; | |
| 170 device->CreateWMCursor = WIN_CreateWMCursor; | |
| 171 device->ShowWMCursor = WIN_ShowWMCursor; | |
| 172 device->WarpWMCursor = WIN_WarpWMCursor; | |
| 173 device->CheckMouseMode = WIN_CheckMouseMode; | |
| 174 device->InitOSKeymap = DIB_InitOSKeymap; | |
| 175 device->PumpEvents = DIB_PumpEvents; | |
| 176 | |
| 177 /* Set up the windows message handling functions */ | |
| 178 WIN_RealizePalette = DIB_RealizePalette; | |
| 179 WIN_PaletteChanged = DIB_PaletteChanged; | |
| 180 WIN_WinPAINT = DIB_WinPAINT; | |
| 181 HandleMessage = DIB_HandleMessage; | |
| 182 | |
| 183 device->free = DIB_DeleteDevice; | |
| 184 | |
| 185 /* We're finally ready */ | |
| 186 return device; | |
| 187 } | |
| 188 | |
| 189 VideoBootStrap WINDIB_bootstrap = { | |
| 190 "windib", "Win95/98/NT/2000 GDI", | |
| 191 DIB_Available, DIB_CreateDevice | |
| 192 }; | |
| 193 | |
| 194 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 195 | |
| 196 static int cmpmodes(const void *va, const void *vb) | |
| 197 { | |
| 198 SDL_Rect *a = *(SDL_Rect **)va; | |
| 199 SDL_Rect *b = *(SDL_Rect **)vb; | |
| 200 if(a->w > b->w) | |
| 201 return -1; | |
| 202 return b->h - a->h; | |
| 203 } | |
| 204 | |
| 205 static int DIB_AddMode(_THIS, int bpp, int w, int h) | |
| 206 { | |
| 207 SDL_Rect *mode; | |
| 208 int i, index; | |
| 209 int next_mode; | |
| 210 | |
| 211 /* Check to see if we already have this mode */ | |
| 212 if ( bpp < 8 ) { /* Not supported */ | |
| 213 return(0); | |
| 214 } | |
| 215 index = ((bpp+7)/8)-1; | |
| 216 for ( i=0; i<SDL_nummodes[index]; ++i ) { | |
| 217 mode = SDL_modelist[index][i]; | |
| 218 if ( (mode->w == w) && (mode->h == h) ) { | |
| 219 return(0); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 /* Set up the new video mode rectangle */ | |
| 224 mode = (SDL_Rect *)malloc(sizeof *mode); | |
| 225 if ( mode == NULL ) { | |
| 226 SDL_OutOfMemory(); | |
| 227 return(-1); | |
| 228 } | |
| 229 mode->x = 0; | |
| 230 mode->y = 0; | |
| 231 mode->w = w; | |
| 232 mode->h = h; | |
| 233 | |
| 234 /* Allocate the new list of modes, and fill in the new mode */ | |
| 235 next_mode = SDL_nummodes[index]; | |
| 236 SDL_modelist[index] = (SDL_Rect **) | |
| 237 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | |
| 238 if ( SDL_modelist[index] == NULL ) { | |
| 239 SDL_OutOfMemory(); | |
| 240 SDL_nummodes[index] = 0; | |
| 241 free(mode); | |
| 242 return(-1); | |
| 243 } | |
| 244 SDL_modelist[index][next_mode] = mode; | |
| 245 SDL_modelist[index][next_mode+1] = NULL; | |
| 246 SDL_nummodes[index]++; | |
| 247 | |
| 248 return(0); | |
| 249 } | |
| 250 | |
| 251 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 252 | |
| 253 static HPALETTE DIB_CreatePalette(int bpp) | |
| 254 { | |
| 255 /* RJR: March 28, 2000 | |
| 256 moved palette creation here from "DIB_VideoInit" */ | |
| 257 | |
| 258 HPALETTE handle = NULL; | |
| 259 | |
| 260 if ( bpp <= 8 ) | |
| 261 { | |
| 262 LOGPALETTE *palette; | |
| 263 HDC hdc; | |
| 264 int ncolors; | |
| 265 int i; | |
| 266 | |
| 267 ncolors = 1; | |
| 268 for ( i=0; i<bpp; ++i ) { | |
| 269 ncolors *= 2; | |
| 270 } | |
| 271 palette = (LOGPALETTE *)malloc(sizeof(*palette)+ | |
| 272 ncolors*sizeof(PALETTEENTRY)); | |
| 273 palette->palVersion = 0x300; | |
| 274 palette->palNumEntries = ncolors; | |
| 275 hdc = GetDC(SDL_Window); | |
| 276 GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); | |
| 277 ReleaseDC(SDL_Window, hdc); | |
| 278 handle = CreatePalette(palette); | |
| 279 free(palette); | |
| 280 } | |
| 281 | |
| 282 return handle; | |
| 283 } | |
| 284 | |
| 285 int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 286 { | |
| 287 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 288 int i; | |
| 289 DEVMODE settings; | |
| 290 #endif | |
| 291 | |
| 292 /* Create the window */ | |
| 293 if ( DIB_CreateWindow(this) < 0 ) { | |
| 294 return(-1); | |
| 295 } | |
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296 #ifndef DISABLE_AUDIO |
| 0 | 297 DX5_SoundFocus(SDL_Window); |
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298 #endif |
| 0 | 299 |
| 300 /* Determine the screen depth */ | |
| 301 vformat->BitsPerPixel = DIB_SussScreenDepth(); | |
| 302 switch (vformat->BitsPerPixel) { | |
| 303 case 15: | |
| 304 vformat->Rmask = 0x00007c00; | |
| 305 vformat->Gmask = 0x000003e0; | |
| 306 vformat->Bmask = 0x0000001f; | |
| 307 vformat->BitsPerPixel = 16; | |
| 308 break; | |
| 309 case 16: | |
| 310 vformat->Rmask = 0x0000f800; | |
| 311 vformat->Gmask = 0x000007e0; | |
| 312 vformat->Bmask = 0x0000001f; | |
| 313 break; | |
| 314 case 24: | |
| 315 case 32: | |
| 316 /* GDI defined as 8-8-8 */ | |
| 317 vformat->Rmask = 0x00ff0000; | |
| 318 vformat->Gmask = 0x0000ff00; | |
| 319 vformat->Bmask = 0x000000ff; | |
| 320 break; | |
| 321 default: | |
| 322 break; | |
| 323 } | |
| 324 | |
| 325 /* See if gamma is supported on this screen */ | |
| 326 DIB_CheckGamma(this); | |
| 327 | |
| 328 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 329 /* Query for the list of available video modes */ | |
| 330 for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { | |
| 331 DIB_AddMode(this, settings.dmBitsPerPel, | |
| 332 settings.dmPelsWidth, settings.dmPelsHeight); | |
| 333 } | |
| 334 /* Sort the mode lists */ | |
| 335 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 336 if ( SDL_nummodes[i] > 0 ) { | |
| 337 qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); | |
| 338 } | |
| 339 } | |
| 340 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 341 | |
| 342 /* Grab an identity palette if we are in a palettized mode */ | |
| 343 if ( vformat->BitsPerPixel <= 8 ) { | |
| 344 /* RJR: March 28, 2000 | |
| 345 moved palette creation to "DIB_CreatePalette" */ | |
| 346 screen_pal = DIB_CreatePalette(vformat->BitsPerPixel); | |
| 347 } | |
| 348 | |
| 349 /* Fill in some window manager capabilities */ | |
| 350 this->info.wm_available = 1; | |
| 351 | |
| 352 /* We're done! */ | |
| 353 return(0); | |
| 354 } | |
| 355 | |
| 356 /* We support any format at any dimension */ | |
| 357 SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 358 { | |
| 359 #ifdef NO_CHANGEDISPLAYSETTINGS | |
| 360 return((SDL_Rect **)-1); | |
| 361 #else | |
| 362 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 363 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 364 } else { | |
| 365 return((SDL_Rect **)-1); | |
| 366 } | |
| 367 #endif | |
| 368 } | |
| 369 | |
| 370 | |
| 371 /* | |
| 372 Helper fn to work out which screen depth windows is currently using. | |
| 373 15 bit mode is considered 555 format, 16 bit is 565. | |
| 374 returns 0 for unknown mode. | |
| 375 (Derived from code in sept 1999 Windows Developer Journal | |
| 376 http://www.wdj.com/code/archive.html) | |
| 377 */ | |
| 378 static int DIB_SussScreenDepth() | |
| 379 { | |
| 380 #ifdef NO_GETDIBITS | |
| 381 int depth; | |
| 382 HDC hdc; | |
| 383 | |
| 384 hdc = GetDC(SDL_Window); | |
| 385 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); | |
| 386 ReleaseDC(SDL_Window, hdc); | |
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387 #ifndef _WIN32_WCE |
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388 // AFAIK 16 bit CE devices have indeed RGB 565 |
| 0 | 389 if ( depth == 16 ) { |
| 390 depth = 15; /* GDI defined as RGB 555 */ | |
| 391 } | |
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392 #endif |
| 0 | 393 return(depth); |
| 394 #else | |
| 395 int dib_size; | |
| 396 LPBITMAPINFOHEADER dib_hdr; | |
| 397 HDC hdc; | |
| 398 HBITMAP hbm; | |
| 399 | |
| 400 /* Allocate enough space for a DIB header plus palette (for | |
| 401 * 8-bit modes) or bitfields (for 16- and 32-bit modes) | |
| 402 */ | |
| 403 dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); | |
| 404 dib_hdr = (LPBITMAPINFOHEADER) malloc(dib_size); | |
| 405 memset(dib_hdr, 0, dib_size); | |
| 406 dib_hdr->biSize = sizeof(BITMAPINFOHEADER); | |
| 407 | |
| 408 /* Get a device-dependent bitmap that's compatible with the | |
| 409 screen. | |
| 410 */ | |
| 411 hdc = GetDC(NULL); | |
| 412 hbm = CreateCompatibleBitmap( hdc, 1, 1 ); | |
| 413 | |
| 414 /* Convert the DDB to a DIB. We need to call GetDIBits twice: | |
| 415 * the first call just fills in the BITMAPINFOHEADER; the | |
| 416 * second fills in the bitfields or palette. | |
| 417 */ | |
| 418 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 419 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 420 DeleteObject(hbm); | |
| 421 ReleaseDC(NULL, hdc); | |
| 422 | |
| 423 switch( dib_hdr->biBitCount ) | |
| 424 { | |
| 425 case 8: return 8; | |
| 426 case 24: return 24; | |
| 427 case 32: return 32; | |
| 428 case 16: | |
| 429 if( dib_hdr->biCompression == BI_BITFIELDS ) { | |
| 430 /* check the red mask */ | |
| 431 switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { | |
| 432 case 0xf800: return 16; /* 565 */ | |
| 433 case 0x7c00: return 15; /* 555 */ | |
| 434 } | |
| 435 } | |
| 436 } | |
| 437 return 0; /* poo. */ | |
| 438 #endif /* NO_GETDIBITS */ | |
| 439 } | |
| 440 | |
| 441 | |
| 442 /* Various screen update functions available */ | |
| 443 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 444 | |
| 445 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 446 int width, int height, int bpp, Uint32 flags) | |
| 447 { | |
| 448 SDL_Surface *video; | |
| 449 Uint32 prev_flags; | |
| 450 DWORD style; | |
| 451 const DWORD directstyle = | |
| 452 (WS_POPUP); | |
| 453 const DWORD windowstyle = | |
| 454 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); | |
| 455 const DWORD resizestyle = | |
| 456 (WS_THICKFRAME|WS_MAXIMIZEBOX); | |
| 457 int binfo_size; | |
| 458 BITMAPINFO *binfo; | |
| 459 HDC hdc; | |
| 460 RECT bounds; | |
| 461 int x, y; | |
| 462 BOOL was_visible; | |
| 463 Uint32 Rmask, Gmask, Bmask; | |
| 464 | |
| 465 /* See whether or not we should center the window */ | |
| 466 was_visible = IsWindowVisible(SDL_Window); | |
| 467 | |
| 468 /* Clean up any GL context that may be hanging around */ | |
| 469 if ( current->flags & SDL_OPENGL ) { | |
| 470 WIN_GL_ShutDown(this); | |
| 471 } | |
| 472 | |
| 473 /* Recalculate the bitmasks if necessary */ | |
| 474 if ( bpp == current->format->BitsPerPixel ) { | |
| 475 video = current; | |
| 476 } else { | |
| 477 switch (bpp) { | |
| 478 case 15: | |
| 479 case 16: | |
| 480 if ( DIB_SussScreenDepth() == 15 ) { | |
| 481 /* 5-5-5 */ | |
| 482 Rmask = 0x00007c00; | |
| 483 Gmask = 0x000003e0; | |
| 484 Bmask = 0x0000001f; | |
| 485 } else { | |
| 486 /* 5-6-5 */ | |
| 487 Rmask = 0x0000f800; | |
| 488 Gmask = 0x000007e0; | |
| 489 Bmask = 0x0000001f; | |
| 490 } | |
| 491 break; | |
| 492 case 24: | |
| 493 case 32: | |
| 494 /* GDI defined as 8-8-8 */ | |
| 495 Rmask = 0x00ff0000; | |
| 496 Gmask = 0x0000ff00; | |
| 497 Bmask = 0x000000ff; | |
| 498 break; | |
| 499 default: | |
| 500 Rmask = 0x00000000; | |
| 501 Gmask = 0x00000000; | |
| 502 Bmask = 0x00000000; | |
| 503 break; | |
| 504 } | |
| 505 video = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 506 0, 0, bpp, Rmask, Gmask, Bmask, 0); | |
| 507 if ( video == NULL ) { | |
| 508 SDL_OutOfMemory(); | |
| 509 return(NULL); | |
| 510 } | |
| 511 } | |
| 512 | |
| 513 /* Fill in part of the video surface */ | |
| 514 prev_flags = video->flags; | |
| 515 video->flags = 0; /* Clear flags */ | |
| 516 video->w = width; | |
| 517 video->h = height; | |
| 518 video->pitch = SDL_CalculatePitch(video); | |
| 519 | |
|
514
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520 #ifdef HAVE_AYGSHELL |
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521 /* Stuff to hide that $#!^%#$ WinCE taskbar in fullscreen... */ |
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522 if ( flags & SDL_FULLSCREEN ) { |
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523 if ( !(prev_flags & SDL_FULLSCREEN) ) { |
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524 SHFullScreen(SDL_Window, SHFS_HIDETASKBAR); |
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525 SHFullScreen(SDL_Window, SHFS_HIDESIPBUTTON); |
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526 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE); |
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527 } |
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528 video->flags |= SDL_FULLSCREEN; |
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529 } else { |
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530 if ( prev_flags & SDL_FULLSCREEN ) { |
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531 SHFullScreen(SDL_Window, SHFS_SHOWTASKBAR); |
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532 SHFullScreen(SDL_Window, SHFS_SHOWSIPBUTTON); |
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533 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOWNORMAL); |
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534 } |
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535 } |
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536 #endif |
| 0 | 537 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 538 /* Set fullscreen mode if appropriate */ | |
| 539 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 540 DEVMODE settings; | |
| 541 | |
| 542 memset(&settings, 0, sizeof(DEVMODE)); | |
| 543 settings.dmSize = sizeof(DEVMODE); | |
| 544 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 545 settings.dmPelsWidth = width; | |
| 546 settings.dmPelsHeight = height; | |
| 547 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
| 548 if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) { | |
| 549 video->flags |= SDL_FULLSCREEN; | |
|
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550 SDL_fullscreen_mode = settings; |
| 0 | 551 } |
| 552 } | |
| 553 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 554 | |
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555 /* Reset the palette and create a new one if necessary */ |
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556 if ( screen_pal != NULL ) { |
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557 /* RJR: March 28, 2000 |
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558 delete identity palette if switching from a palettized mode */ |
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559 DeleteObject(screen_pal); |
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560 screen_pal = NULL; |
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561 } |
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562 if ( bpp <= 8 ) |
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563 { |
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564 /* RJR: March 28, 2000 |
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565 create identity palette switching to a palettized mode */ |
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566 screen_pal = DIB_CreatePalette(bpp); |
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567 } |
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568 |
| 0 | 569 style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 570 style &= ~(resizestyle|WS_MAXIMIZE); | |
| 571 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 572 style &= ~windowstyle; | |
| 573 style |= directstyle; | |
| 574 } else { | |
| 575 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 576 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 577 ChangeDisplaySettings(NULL, 0); | |
| 578 } | |
| 579 #endif | |
| 580 if ( flags & SDL_NOFRAME ) { | |
| 581 style &= ~windowstyle; | |
| 582 style |= directstyle; | |
| 583 video->flags |= SDL_NOFRAME; | |
| 584 } else { | |
| 585 style &= ~directstyle; | |
| 586 style |= windowstyle; | |
| 587 if ( flags & SDL_RESIZABLE ) { | |
| 588 style |= resizestyle; | |
| 589 video->flags |= SDL_RESIZABLE; | |
| 590 } | |
| 591 } | |
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592 #if WS_MAXIMIZE |
| 0 | 593 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
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594 #endif |
| 0 | 595 } |
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596 |
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597 /* DJM: Don't piss of anyone who has setup his own window */ |
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598 if (!SDL_windowid) |
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599 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 600 |
| 601 /* Delete the old bitmap if necessary */ | |
| 602 if ( screen_bmp != NULL ) { | |
| 603 DeleteObject(screen_bmp); | |
| 604 } | |
| 605 if ( ! (flags & SDL_OPENGL) ) { | |
| 606 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 607 | |
| 608 /* Suss out the bitmap info header */ | |
| 609 binfo_size = sizeof(*binfo); | |
| 610 if( is16bitmode ) { | |
| 611 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 612 binfo_size += 3*sizeof(DWORD); | |
| 613 } else if ( video->format->palette ) { | |
| 614 binfo_size += video->format->palette->ncolors * | |
| 615 sizeof(RGBQUAD); | |
| 616 } | |
| 617 binfo = (BITMAPINFO *)malloc(binfo_size); | |
| 618 if ( ! binfo ) { | |
| 619 if ( video != current ) { | |
| 620 SDL_FreeSurface(video); | |
| 621 } | |
| 622 SDL_OutOfMemory(); | |
| 623 return(NULL); | |
| 624 } | |
| 625 | |
| 626 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 627 binfo->bmiHeader.biWidth = video->w; | |
| 628 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 629 binfo->bmiHeader.biPlanes = 1; | |
| 630 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 631 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 632 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 633 binfo->bmiHeader.biClrUsed = 0; | |
| 634 binfo->bmiHeader.biClrImportant = 0; | |
| 635 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 636 | |
| 637 if ( is16bitmode ) { | |
| 638 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 639 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 640 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 641 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 642 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 643 } else { | |
| 644 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 645 if ( video->format->palette ) { | |
| 646 memset(binfo->bmiColors, 0, | |
| 647 video->format->palette->ncolors*sizeof(RGBQUAD)); | |
| 648 } | |
| 649 } | |
| 650 | |
| 651 /* Create the offscreen bitmap buffer */ | |
| 652 hdc = GetDC(SDL_Window); | |
| 653 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 654 (void **)(&video->pixels), NULL, 0); | |
| 655 ReleaseDC(SDL_Window, hdc); | |
| 656 free(binfo); | |
| 657 if ( screen_bmp == NULL ) { | |
| 658 if ( video != current ) { | |
| 659 SDL_FreeSurface(video); | |
| 660 } | |
| 661 SDL_SetError("Couldn't create DIB section"); | |
| 662 return(NULL); | |
| 663 } | |
| 664 this->UpdateRects = DIB_NormalUpdate; | |
| 665 | |
| 666 /* Set video surface flags */ | |
| 667 if ( bpp <= 8 ) { | |
| 668 /* BitBlt() maps colors for us */ | |
| 669 video->flags |= SDL_HWPALETTE; | |
| 670 } | |
| 671 } | |
| 672 | |
| 673 /* Resize the window */ | |
| 674 if ( SDL_windowid == NULL ) { | |
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675 HWND top; |
| 0 | 676 UINT swp_flags; |
| 677 | |
| 678 SDL_resizing = 1; | |
| 679 bounds.left = 0; | |
| 680 bounds.top = 0; | |
| 681 bounds.right = video->w; | |
| 682 bounds.bottom = video->h; | |
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683 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE, 0); |
| 0 | 684 width = bounds.right-bounds.left; |
| 685 height = bounds.bottom-bounds.top; | |
| 686 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; | |
| 687 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; | |
| 688 if ( y < 0 ) { /* Cover up title bar for more client area */ | |
| 689 y -= GetSystemMetrics(SM_CYCAPTION)/2; | |
| 690 } | |
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691 swp_flags = (SWP_NOCOPYBITS | SWP_FRAMECHANGED | SWP_SHOWWINDOW); |
| 0 | 692 if ( was_visible && !(flags & SDL_FULLSCREEN) ) { |
| 693 swp_flags |= SWP_NOMOVE; | |
| 694 } | |
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695 if ( flags & SDL_FULLSCREEN ) { |
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696 top = HWND_TOPMOST; |
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697 } else { |
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698 top = HWND_NOTOPMOST; |
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699 } |
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700 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
| 0 | 701 SDL_resizing = 0; |
| 702 SetForegroundWindow(SDL_Window); | |
| 703 } | |
| 704 | |
| 705 /* Set up for OpenGL */ | |
| 706 if ( flags & SDL_OPENGL ) { | |
| 707 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 708 return(NULL); | |
| 709 } | |
| 710 video->flags |= SDL_OPENGL; | |
| 711 } | |
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712 |
| 0 | 713 /* We're live! */ |
| 714 return(video); | |
| 715 } | |
| 716 | |
| 717 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 718 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 719 { | |
| 720 return(-1); | |
| 721 } | |
| 722 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 723 { | |
| 724 return; | |
| 725 } | |
| 726 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 727 { | |
| 728 return(0); | |
| 729 } | |
| 730 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 731 { | |
| 732 return; | |
| 733 } | |
| 734 | |
| 735 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 736 { | |
| 737 HDC hdc, mdc; | |
| 738 int i; | |
| 739 | |
| 740 hdc = GetDC(SDL_Window); | |
| 741 if ( screen_pal ) { | |
| 742 SelectPalette(hdc, screen_pal, FALSE); | |
| 743 } | |
| 744 mdc = CreateCompatibleDC(hdc); | |
| 745 SelectObject(mdc, screen_bmp); | |
| 746 for ( i=0; i<numrects; ++i ) { | |
| 747 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 748 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 749 } | |
| 750 DeleteDC(mdc); | |
| 751 ReleaseDC(SDL_Window, hdc); | |
| 752 } | |
| 753 | |
| 754 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 755 { | |
| 756 RGBQUAD *pal; | |
| 757 int i; | |
|
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758 #ifndef _WIN32_WCE |
| 0 | 759 HDC hdc, mdc; |
|
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760 #else |
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761 HDC hdc; |
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762 #endif |
| 0 | 763 |
| 764 /* Update the display palette */ | |
| 765 hdc = GetDC(SDL_Window); | |
| 766 if ( screen_pal ) { | |
| 767 PALETTEENTRY *entries; | |
| 768 | |
| 769 entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY)); | |
| 770 for ( i=0; i<ncolors; ++i ) { | |
| 771 entries[i].peRed = colors[i].r; | |
| 772 entries[i].peGreen = colors[i].g; | |
| 773 entries[i].peBlue = colors[i].b; | |
| 774 entries[i].peFlags = PC_NOCOLLAPSE; | |
| 775 } | |
| 776 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 777 SelectPalette(hdc, screen_pal, FALSE); | |
| 778 RealizePalette(hdc); | |
| 779 } | |
| 780 | |
| 781 /* Copy palette colors into DIB palette */ | |
| 782 pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD)); | |
| 783 for ( i=0; i<ncolors; ++i ) { | |
| 784 pal[i].rgbRed = colors[i].r; | |
| 785 pal[i].rgbGreen = colors[i].g; | |
| 786 pal[i].rgbBlue = colors[i].b; | |
| 787 pal[i].rgbReserved = 0; | |
| 788 } | |
| 789 | |
| 790 /* Set the DIB palette and update the display */ | |
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791 #ifndef _WIN32_WCE |
| 0 | 792 mdc = CreateCompatibleDC(hdc); |
| 793 SelectObject(mdc, screen_bmp); | |
| 794 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 795 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 796 mdc, 0, 0, SRCCOPY); | |
| 797 DeleteDC(mdc); | |
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798 #endif |
| 0 | 799 ReleaseDC(SDL_Window, hdc); |
| 800 return(1); | |
| 801 } | |
| 802 | |
| 803 static void DIB_CheckGamma(_THIS) | |
| 804 { | |
| 805 #ifndef NO_GAMMA_SUPPORT | |
| 806 HDC hdc; | |
| 807 WORD ramp[3*256]; | |
| 808 | |
| 809 /* If we fail to get gamma, disable gamma control */ | |
| 810 hdc = GetDC(SDL_Window); | |
| 811 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 812 this->GetGammaRamp = NULL; | |
| 813 this->SetGammaRamp = NULL; | |
| 814 } | |
| 815 ReleaseDC(SDL_Window, hdc); | |
| 816 #endif /* !NO_GAMMA_SUPPORT */ | |
| 817 } | |
|
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818 void DIB_SwapGamma(_THIS) |
| 0 | 819 { |
| 820 #ifndef NO_GAMMA_SUPPORT | |
| 821 HDC hdc; | |
| 822 | |
| 823 if ( gamma_saved ) { | |
| 824 hdc = GetDC(SDL_Window); | |
| 825 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 826 /* About to leave active state, restore gamma */ | |
| 827 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 828 } else { | |
| 829 /* About to enter active state, set game gamma */ | |
| 830 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 831 SetDeviceGammaRamp(hdc, this->gamma); | |
| 832 } | |
| 833 ReleaseDC(SDL_Window, hdc); | |
| 834 } | |
| 835 #endif /* !NO_GAMMA_SUPPORT */ | |
| 836 } | |
|
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837 void DIB_QuitGamma(_THIS) |
| 0 | 838 { |
| 839 #ifndef NO_GAMMA_SUPPORT | |
| 840 if ( gamma_saved ) { | |
| 841 /* Restore the original gamma if necessary */ | |
| 842 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 843 HDC hdc; | |
| 844 | |
| 845 hdc = GetDC(SDL_Window); | |
| 846 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 847 ReleaseDC(SDL_Window, hdc); | |
| 848 } | |
| 849 | |
| 850 /* Free the saved gamma memory */ | |
| 851 free(gamma_saved); | |
| 852 gamma_saved = 0; | |
| 853 } | |
| 854 #endif /* !NO_GAMMA_SUPPORT */ | |
| 855 } | |
| 856 | |
|
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857 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 858 { |
|
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859 #ifdef NO_GAMMA_SUPPORT |
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860 SDL_SetError("SDL compiled without gamma ramp support"); |
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861 return -1; |
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862 #else |
| 0 | 863 HDC hdc; |
| 864 BOOL succeeded; | |
| 865 | |
| 866 /* Set the ramp for the display */ | |
| 867 if ( ! gamma_saved ) { | |
| 868 gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved)); | |
| 869 if ( ! gamma_saved ) { | |
| 870 SDL_OutOfMemory(); | |
| 871 return -1; | |
| 872 } | |
| 873 hdc = GetDC(SDL_Window); | |
| 874 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 875 ReleaseDC(SDL_Window, hdc); | |
| 876 } | |
| 877 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 878 hdc = GetDC(SDL_Window); | |
| 879 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 880 ReleaseDC(SDL_Window, hdc); | |
| 881 } else { | |
| 882 succeeded = TRUE; | |
| 883 } | |
| 884 return succeeded ? 0 : -1; | |
|
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885 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 886 } |
| 887 | |
|
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888 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 889 { |
|
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890 #ifdef NO_GAMMA_SUPPORT |
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891 SDL_SetError("SDL compiled without gamma ramp support"); |
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892 return -1; |
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893 #else |
| 0 | 894 HDC hdc; |
| 895 BOOL succeeded; | |
| 896 | |
| 897 /* Get the ramp from the display */ | |
| 898 hdc = GetDC(SDL_Window); | |
| 899 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 900 ReleaseDC(SDL_Window, hdc); | |
| 901 return succeeded ? 0 : -1; | |
|
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902 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 903 } |
| 904 | |
|
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905 static void FlushMessageQueue() |
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906 { |
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907 MSG msg; |
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908 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
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909 if ( msg.message == WM_QUIT ) break; |
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910 TranslateMessage( &msg ); |
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911 DispatchMessage( &msg ); |
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912 } |
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913 } |
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914 |
| 0 | 915 void DIB_VideoQuit(_THIS) |
| 916 { | |
| 917 /* Destroy the window and everything associated with it */ | |
| 918 if ( SDL_Window ) { | |
| 919 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 920 if ( this->screen ) { | |
| 921 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 922 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 923 ChangeDisplaySettings(NULL, 0); | |
|
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924 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 925 } |
| 926 #endif | |
| 927 if ( this->screen->flags & SDL_OPENGL ) { | |
| 928 WIN_GL_ShutDown(this); | |
| 929 } | |
| 930 this->screen->pixels = NULL; | |
| 931 } | |
| 932 if ( screen_bmp ) { | |
| 933 DeleteObject(screen_bmp); | |
| 934 screen_bmp = NULL; | |
| 935 } | |
| 936 if ( screen_icn ) { | |
| 937 DestroyIcon(screen_icn); | |
| 938 screen_icn = NULL; | |
| 939 } | |
| 940 DIB_QuitGamma(this); | |
| 941 DIB_DestroyWindow(this); | |
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942 FlushMessageQueue(); |
| 0 | 943 |
| 944 SDL_Window = NULL; | |
| 945 } | |
| 946 } | |
| 947 | |
| 948 /* Exported for the windows message loop only */ | |
| 949 static void DIB_FocusPalette(_THIS, int foreground) | |
| 950 { | |
| 951 if ( screen_pal != NULL ) { | |
| 952 HDC hdc; | |
| 953 | |
| 954 hdc = GetDC(SDL_Window); | |
| 955 SelectPalette(hdc, screen_pal, FALSE); | |
| 956 if ( RealizePalette(hdc) ) | |
| 957 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 958 ReleaseDC(SDL_Window, hdc); | |
| 959 } | |
| 960 } | |
| 961 static void DIB_RealizePalette(_THIS) | |
| 962 { | |
| 963 DIB_FocusPalette(this, 1); | |
| 964 } | |
| 965 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 966 { | |
| 967 if ( window != SDL_Window ) { | |
| 968 DIB_FocusPalette(this, 0); | |
| 969 } | |
| 970 } | |
| 971 | |
| 972 /* Exported for the windows message loop only */ | |
| 973 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 974 { | |
| 975 HDC mdc; | |
| 976 | |
| 977 if ( screen_pal ) { | |
| 978 SelectPalette(hdc, screen_pal, FALSE); | |
| 979 } | |
| 980 mdc = CreateCompatibleDC(hdc); | |
| 981 SelectObject(mdc, screen_bmp); | |
| 982 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 983 mdc, 0, 0, SRCCOPY); | |
| 984 DeleteDC(mdc); | |
| 985 } | |
| 986 | |
| 987 /* Stub in case DirectX isn't available */ | |
| 988 #ifndef ENABLE_DIRECTX | |
| 989 void DX5_SoundFocus(HWND hwnd) | |
| 990 { | |
| 991 return; | |
| 992 } | |
| 993 #endif |