Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 448:323c766f5a46
Fullscreen windows are always topmost under Windows
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 19 Aug 2002 03:09:25 +0000 |
| parents | b37ce4813ad4 |
| children | a6fa62b1be09 |
| 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> | |
| 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.h" | |
| 39 #include "SDL_mutex.h" | |
| 40 #include "SDL_syswm.h" | |
| 41 #include "SDL_sysvideo.h" | |
| 42 #include "SDL_sysevents.h" | |
| 43 #include "SDL_events_c.h" | |
| 44 #include "SDL_pixels_c.h" | |
| 45 #include "SDL_dibvideo.h" | |
| 46 #include "SDL_syswm_c.h" | |
| 47 #include "SDL_sysmouse_c.h" | |
| 48 #include "SDL_dibevents_c.h" | |
| 49 #include "SDL_wingl_c.h" | |
| 50 | |
| 51 #ifdef _WIN32_WCE | |
| 52 #define NO_GETDIBITS | |
| 53 #define NO_CHANGEDISPLAYSETTINGS | |
| 54 #define NO_GAMMA_SUPPORT | |
| 55 #endif | |
| 56 | |
| 57 /* Initialization/Query functions */ | |
| 58 static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 59 static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 60 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 61 static int DIB_SetColors(_THIS, int firstcolor, int ncolors, | |
| 62 SDL_Color *colors); | |
| 63 static void DIB_CheckGamma(_THIS); | |
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64 void DIB_SwapGamma(_THIS); |
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65 void DIB_QuitGamma(_THIS); |
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66 int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
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67 int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 0 | 68 static void DIB_VideoQuit(_THIS); |
| 69 | |
| 70 /* Hardware surface functions */ | |
| 71 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 72 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 73 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 74 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 75 | |
| 76 /* Windows message handling functions */ | |
| 77 static void DIB_RealizePalette(_THIS); | |
| 78 static void DIB_PaletteChanged(_THIS, HWND window); | |
| 79 static void DIB_WinPAINT(_THIS, HDC hdc); | |
| 80 | |
| 81 /* helper fn */ | |
| 82 static int DIB_SussScreenDepth(); | |
| 83 | |
| 84 /* DIB driver bootstrap functions */ | |
| 85 | |
| 86 static int DIB_Available(void) | |
| 87 { | |
| 88 return(1); | |
| 89 } | |
| 90 | |
| 91 static void DIB_DeleteDevice(SDL_VideoDevice *device) | |
| 92 { | |
| 93 if ( device ) { | |
| 94 if ( device->hidden ) { | |
| 95 free(device->hidden); | |
| 96 } | |
| 97 if ( device->gl_data ) { | |
| 98 free(device->gl_data); | |
| 99 } | |
| 100 free(device); | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 static SDL_VideoDevice *DIB_CreateDevice(int devindex) | |
| 105 { | |
| 106 SDL_VideoDevice *device; | |
| 107 | |
| 108 /* Initialize all variables that we clean on shutdown */ | |
| 109 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 110 if ( device ) { | |
| 111 memset(device, 0, (sizeof *device)); | |
| 112 device->hidden = (struct SDL_PrivateVideoData *) | |
| 113 malloc((sizeof *device->hidden)); | |
| 114 device->gl_data = (struct SDL_PrivateGLData *) | |
| 115 malloc((sizeof *device->gl_data)); | |
| 116 } | |
| 117 if ( (device == NULL) || (device->hidden == NULL) || | |
| 118 (device->gl_data == NULL) ) { | |
| 119 SDL_OutOfMemory(); | |
| 120 DIB_DeleteDevice(device); | |
| 121 return(NULL); | |
| 122 } | |
| 123 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 124 memset(device->gl_data, 0, (sizeof *device->gl_data)); | |
| 125 | |
| 126 /* Set the function pointers */ | |
| 127 device->VideoInit = DIB_VideoInit; | |
| 128 device->ListModes = DIB_ListModes; | |
| 129 device->SetVideoMode = DIB_SetVideoMode; | |
| 130 device->UpdateMouse = WIN_UpdateMouse; | |
| 131 device->SetColors = DIB_SetColors; | |
| 132 device->UpdateRects = NULL; | |
| 133 device->VideoQuit = DIB_VideoQuit; | |
| 134 device->AllocHWSurface = DIB_AllocHWSurface; | |
| 135 device->CheckHWBlit = NULL; | |
| 136 device->FillHWRect = NULL; | |
| 137 device->SetHWColorKey = NULL; | |
| 138 device->SetHWAlpha = NULL; | |
| 139 device->LockHWSurface = DIB_LockHWSurface; | |
| 140 device->UnlockHWSurface = DIB_UnlockHWSurface; | |
| 141 device->FlipHWSurface = NULL; | |
| 142 device->FreeHWSurface = DIB_FreeHWSurface; | |
| 143 device->SetGammaRamp = DIB_SetGammaRamp; | |
| 144 device->GetGammaRamp = DIB_GetGammaRamp; | |
| 145 #ifdef HAVE_OPENGL | |
| 146 device->GL_LoadLibrary = WIN_GL_LoadLibrary; | |
| 147 device->GL_GetProcAddress = WIN_GL_GetProcAddress; | |
| 148 device->GL_GetAttribute = WIN_GL_GetAttribute; | |
| 149 device->GL_MakeCurrent = WIN_GL_MakeCurrent; | |
| 150 device->GL_SwapBuffers = WIN_GL_SwapBuffers; | |
| 151 #endif | |
| 152 device->SetCaption = WIN_SetWMCaption; | |
| 153 device->SetIcon = WIN_SetWMIcon; | |
| 154 device->IconifyWindow = WIN_IconifyWindow; | |
| 155 device->GrabInput = WIN_GrabInput; | |
| 156 device->GetWMInfo = WIN_GetWMInfo; | |
| 157 device->FreeWMCursor = WIN_FreeWMCursor; | |
| 158 device->CreateWMCursor = WIN_CreateWMCursor; | |
| 159 device->ShowWMCursor = WIN_ShowWMCursor; | |
| 160 device->WarpWMCursor = WIN_WarpWMCursor; | |
| 161 device->CheckMouseMode = WIN_CheckMouseMode; | |
| 162 device->InitOSKeymap = DIB_InitOSKeymap; | |
| 163 device->PumpEvents = DIB_PumpEvents; | |
| 164 | |
| 165 /* Set up the windows message handling functions */ | |
| 166 WIN_RealizePalette = DIB_RealizePalette; | |
| 167 WIN_PaletteChanged = DIB_PaletteChanged; | |
| 168 WIN_WinPAINT = DIB_WinPAINT; | |
| 169 HandleMessage = DIB_HandleMessage; | |
| 170 | |
| 171 device->free = DIB_DeleteDevice; | |
| 172 | |
| 173 /* We're finally ready */ | |
| 174 return device; | |
| 175 } | |
| 176 | |
| 177 VideoBootStrap WINDIB_bootstrap = { | |
| 178 "windib", "Win95/98/NT/2000 GDI", | |
| 179 DIB_Available, DIB_CreateDevice | |
| 180 }; | |
| 181 | |
| 182 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 183 | |
| 184 static int cmpmodes(const void *va, const void *vb) | |
| 185 { | |
| 186 SDL_Rect *a = *(SDL_Rect **)va; | |
| 187 SDL_Rect *b = *(SDL_Rect **)vb; | |
| 188 if(a->w > b->w) | |
| 189 return -1; | |
| 190 return b->h - a->h; | |
| 191 } | |
| 192 | |
| 193 static int DIB_AddMode(_THIS, int bpp, int w, int h) | |
| 194 { | |
| 195 SDL_Rect *mode; | |
| 196 int i, index; | |
| 197 int next_mode; | |
| 198 | |
| 199 /* Check to see if we already have this mode */ | |
| 200 if ( bpp < 8 ) { /* Not supported */ | |
| 201 return(0); | |
| 202 } | |
| 203 index = ((bpp+7)/8)-1; | |
| 204 for ( i=0; i<SDL_nummodes[index]; ++i ) { | |
| 205 mode = SDL_modelist[index][i]; | |
| 206 if ( (mode->w == w) && (mode->h == h) ) { | |
| 207 return(0); | |
| 208 } | |
| 209 } | |
| 210 | |
| 211 /* Set up the new video mode rectangle */ | |
| 212 mode = (SDL_Rect *)malloc(sizeof *mode); | |
| 213 if ( mode == NULL ) { | |
| 214 SDL_OutOfMemory(); | |
| 215 return(-1); | |
| 216 } | |
| 217 mode->x = 0; | |
| 218 mode->y = 0; | |
| 219 mode->w = w; | |
| 220 mode->h = h; | |
| 221 | |
| 222 /* Allocate the new list of modes, and fill in the new mode */ | |
| 223 next_mode = SDL_nummodes[index]; | |
| 224 SDL_modelist[index] = (SDL_Rect **) | |
| 225 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | |
| 226 if ( SDL_modelist[index] == NULL ) { | |
| 227 SDL_OutOfMemory(); | |
| 228 SDL_nummodes[index] = 0; | |
| 229 free(mode); | |
| 230 return(-1); | |
| 231 } | |
| 232 SDL_modelist[index][next_mode] = mode; | |
| 233 SDL_modelist[index][next_mode+1] = NULL; | |
| 234 SDL_nummodes[index]++; | |
| 235 | |
| 236 return(0); | |
| 237 } | |
| 238 | |
| 239 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 240 | |
| 241 static HPALETTE DIB_CreatePalette(int bpp) | |
| 242 { | |
| 243 /* RJR: March 28, 2000 | |
| 244 moved palette creation here from "DIB_VideoInit" */ | |
| 245 | |
| 246 HPALETTE handle = NULL; | |
| 247 | |
| 248 if ( bpp <= 8 ) | |
| 249 { | |
| 250 LOGPALETTE *palette; | |
| 251 HDC hdc; | |
| 252 int ncolors; | |
| 253 int i; | |
| 254 | |
| 255 ncolors = 1; | |
| 256 for ( i=0; i<bpp; ++i ) { | |
| 257 ncolors *= 2; | |
| 258 } | |
| 259 palette = (LOGPALETTE *)malloc(sizeof(*palette)+ | |
| 260 ncolors*sizeof(PALETTEENTRY)); | |
| 261 palette->palVersion = 0x300; | |
| 262 palette->palNumEntries = ncolors; | |
| 263 hdc = GetDC(SDL_Window); | |
| 264 GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); | |
| 265 ReleaseDC(SDL_Window, hdc); | |
| 266 handle = CreatePalette(palette); | |
| 267 free(palette); | |
| 268 } | |
| 269 | |
| 270 return handle; | |
| 271 } | |
| 272 | |
| 273 int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 274 { | |
| 275 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 276 int i; | |
| 277 DEVMODE settings; | |
| 278 #endif | |
| 279 | |
| 280 /* Create the window */ | |
| 281 if ( DIB_CreateWindow(this) < 0 ) { | |
| 282 return(-1); | |
| 283 } | |
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284 #ifndef DISABLE_AUDIO |
| 0 | 285 DX5_SoundFocus(SDL_Window); |
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286 #endif |
| 0 | 287 |
| 288 /* Determine the screen depth */ | |
| 289 vformat->BitsPerPixel = DIB_SussScreenDepth(); | |
| 290 switch (vformat->BitsPerPixel) { | |
| 291 case 15: | |
| 292 vformat->Rmask = 0x00007c00; | |
| 293 vformat->Gmask = 0x000003e0; | |
| 294 vformat->Bmask = 0x0000001f; | |
| 295 vformat->BitsPerPixel = 16; | |
| 296 break; | |
| 297 case 16: | |
| 298 vformat->Rmask = 0x0000f800; | |
| 299 vformat->Gmask = 0x000007e0; | |
| 300 vformat->Bmask = 0x0000001f; | |
| 301 break; | |
| 302 case 24: | |
| 303 case 32: | |
| 304 /* GDI defined as 8-8-8 */ | |
| 305 vformat->Rmask = 0x00ff0000; | |
| 306 vformat->Gmask = 0x0000ff00; | |
| 307 vformat->Bmask = 0x000000ff; | |
| 308 break; | |
| 309 default: | |
| 310 break; | |
| 311 } | |
| 312 | |
| 313 /* See if gamma is supported on this screen */ | |
| 314 DIB_CheckGamma(this); | |
| 315 | |
| 316 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 317 /* Query for the list of available video modes */ | |
| 318 for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { | |
| 319 DIB_AddMode(this, settings.dmBitsPerPel, | |
| 320 settings.dmPelsWidth, settings.dmPelsHeight); | |
| 321 } | |
| 322 /* Sort the mode lists */ | |
| 323 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 324 if ( SDL_nummodes[i] > 0 ) { | |
| 325 qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); | |
| 326 } | |
| 327 } | |
| 328 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 329 | |
| 330 /* Grab an identity palette if we are in a palettized mode */ | |
| 331 if ( vformat->BitsPerPixel <= 8 ) { | |
| 332 /* RJR: March 28, 2000 | |
| 333 moved palette creation to "DIB_CreatePalette" */ | |
| 334 screen_pal = DIB_CreatePalette(vformat->BitsPerPixel); | |
| 335 } | |
| 336 | |
| 337 /* Fill in some window manager capabilities */ | |
| 338 this->info.wm_available = 1; | |
| 339 | |
| 340 /* We're done! */ | |
| 341 return(0); | |
| 342 } | |
| 343 | |
| 344 /* We support any format at any dimension */ | |
| 345 SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 346 { | |
| 347 #ifdef NO_CHANGEDISPLAYSETTINGS | |
| 348 return((SDL_Rect **)-1); | |
| 349 #else | |
| 350 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 351 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 352 } else { | |
| 353 return((SDL_Rect **)-1); | |
| 354 } | |
| 355 #endif | |
| 356 } | |
| 357 | |
| 358 | |
| 359 /* | |
| 360 Helper fn to work out which screen depth windows is currently using. | |
| 361 15 bit mode is considered 555 format, 16 bit is 565. | |
| 362 returns 0 for unknown mode. | |
| 363 (Derived from code in sept 1999 Windows Developer Journal | |
| 364 http://www.wdj.com/code/archive.html) | |
| 365 */ | |
| 366 static int DIB_SussScreenDepth() | |
| 367 { | |
| 368 #ifdef NO_GETDIBITS | |
| 369 int depth; | |
| 370 HDC hdc; | |
| 371 | |
| 372 hdc = GetDC(SDL_Window); | |
| 373 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); | |
| 374 ReleaseDC(SDL_Window, hdc); | |
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375 #ifndef _WIN32_WCE |
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376 // AFAIK 16 bit CE devices have indeed RGB 565 |
| 0 | 377 if ( depth == 16 ) { |
| 378 depth = 15; /* GDI defined as RGB 555 */ | |
| 379 } | |
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380 #endif |
| 0 | 381 return(depth); |
| 382 #else | |
| 383 int dib_size; | |
| 384 LPBITMAPINFOHEADER dib_hdr; | |
| 385 HDC hdc; | |
| 386 HBITMAP hbm; | |
| 387 | |
| 388 /* Allocate enough space for a DIB header plus palette (for | |
| 389 * 8-bit modes) or bitfields (for 16- and 32-bit modes) | |
| 390 */ | |
| 391 dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); | |
| 392 dib_hdr = (LPBITMAPINFOHEADER) malloc(dib_size); | |
| 393 memset(dib_hdr, 0, dib_size); | |
| 394 dib_hdr->biSize = sizeof(BITMAPINFOHEADER); | |
| 395 | |
| 396 /* Get a device-dependent bitmap that's compatible with the | |
| 397 screen. | |
| 398 */ | |
| 399 hdc = GetDC(NULL); | |
| 400 hbm = CreateCompatibleBitmap( hdc, 1, 1 ); | |
| 401 | |
| 402 /* Convert the DDB to a DIB. We need to call GetDIBits twice: | |
| 403 * the first call just fills in the BITMAPINFOHEADER; the | |
| 404 * second fills in the bitfields or palette. | |
| 405 */ | |
| 406 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 407 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 408 DeleteObject(hbm); | |
| 409 ReleaseDC(NULL, hdc); | |
| 410 | |
| 411 switch( dib_hdr->biBitCount ) | |
| 412 { | |
| 413 case 8: return 8; | |
| 414 case 24: return 24; | |
| 415 case 32: return 32; | |
| 416 case 16: | |
| 417 if( dib_hdr->biCompression == BI_BITFIELDS ) { | |
| 418 /* check the red mask */ | |
| 419 switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { | |
| 420 case 0xf800: return 16; /* 565 */ | |
| 421 case 0x7c00: return 15; /* 555 */ | |
| 422 } | |
| 423 } | |
| 424 } | |
| 425 return 0; /* poo. */ | |
| 426 #endif /* NO_GETDIBITS */ | |
| 427 } | |
| 428 | |
| 429 | |
| 430 /* Various screen update functions available */ | |
| 431 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 432 | |
| 433 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 434 int width, int height, int bpp, Uint32 flags) | |
| 435 { | |
| 436 SDL_Surface *video; | |
| 437 Uint32 prev_flags; | |
| 438 DWORD style; | |
| 439 const DWORD directstyle = | |
| 440 (WS_POPUP); | |
| 441 const DWORD windowstyle = | |
| 442 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); | |
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443 #ifndef _WIN32_WCE |
| 0 | 444 const DWORD resizestyle = |
| 445 (WS_THICKFRAME|WS_MAXIMIZEBOX); | |
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446 #endif |
| 0 | 447 int binfo_size; |
| 448 BITMAPINFO *binfo; | |
| 449 HDC hdc; | |
| 450 RECT bounds; | |
| 451 int x, y; | |
| 452 BOOL was_visible; | |
| 453 Uint32 Rmask, Gmask, Bmask; | |
| 454 | |
| 455 /* See whether or not we should center the window */ | |
| 456 was_visible = IsWindowVisible(SDL_Window); | |
| 457 | |
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458 #ifdef HAVE_OPENGL |
| 0 | 459 /* Clean up any GL context that may be hanging around */ |
| 460 if ( current->flags & SDL_OPENGL ) { | |
| 461 WIN_GL_ShutDown(this); | |
| 462 } | |
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463 #endif /* HAVE_OPENGL */ |
| 0 | 464 |
| 465 /* Recalculate the bitmasks if necessary */ | |
| 466 if ( bpp == current->format->BitsPerPixel ) { | |
| 467 video = current; | |
| 468 } else { | |
| 469 switch (bpp) { | |
| 470 case 15: | |
| 471 case 16: | |
| 472 if ( DIB_SussScreenDepth() == 15 ) { | |
| 473 /* 5-5-5 */ | |
| 474 Rmask = 0x00007c00; | |
| 475 Gmask = 0x000003e0; | |
| 476 Bmask = 0x0000001f; | |
| 477 } else { | |
| 478 /* 5-6-5 */ | |
| 479 Rmask = 0x0000f800; | |
| 480 Gmask = 0x000007e0; | |
| 481 Bmask = 0x0000001f; | |
| 482 } | |
| 483 break; | |
| 484 case 24: | |
| 485 case 32: | |
| 486 /* GDI defined as 8-8-8 */ | |
| 487 Rmask = 0x00ff0000; | |
| 488 Gmask = 0x0000ff00; | |
| 489 Bmask = 0x000000ff; | |
| 490 break; | |
| 491 default: | |
| 492 Rmask = 0x00000000; | |
| 493 Gmask = 0x00000000; | |
| 494 Bmask = 0x00000000; | |
| 495 break; | |
| 496 } | |
| 497 video = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 498 0, 0, bpp, Rmask, Gmask, Bmask, 0); | |
| 499 if ( video == NULL ) { | |
| 500 SDL_OutOfMemory(); | |
| 501 return(NULL); | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 /* Fill in part of the video surface */ | |
| 506 prev_flags = video->flags; | |
| 507 video->flags = 0; /* Clear flags */ | |
| 508 video->w = width; | |
| 509 video->h = height; | |
| 510 video->pitch = SDL_CalculatePitch(video); | |
| 511 | |
| 512 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 513 /* Set fullscreen mode if appropriate */ | |
| 514 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 515 DEVMODE settings; | |
| 516 | |
| 517 memset(&settings, 0, sizeof(DEVMODE)); | |
| 518 settings.dmSize = sizeof(DEVMODE); | |
| 519 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 520 settings.dmPelsWidth = width; | |
| 521 settings.dmPelsHeight = height; | |
| 522 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
| 523 if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) { | |
| 524 video->flags |= SDL_FULLSCREEN; | |
|
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525 SDL_fullscreen_mode = settings; |
| 0 | 526 } |
| 527 } | |
| 528 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 529 | |
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530 /* Reset the palette and create a new one if necessary */ |
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531 if ( screen_pal != NULL ) { |
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532 /* RJR: March 28, 2000 |
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533 delete identity palette if switching from a palettized mode */ |
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534 DeleteObject(screen_pal); |
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535 screen_pal = NULL; |
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536 } |
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537 if ( bpp <= 8 ) |
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538 { |
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539 /* RJR: March 28, 2000 |
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540 create identity palette switching to a palettized mode */ |
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541 screen_pal = DIB_CreatePalette(bpp); |
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542 } |
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543 |
| 0 | 544 style = GetWindowLong(SDL_Window, GWL_STYLE); |
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545 #ifndef _WIN32_WCE |
| 0 | 546 style &= ~(resizestyle|WS_MAXIMIZE); |
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547 #endif |
| 0 | 548 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| 549 style &= ~windowstyle; | |
| 550 style |= directstyle; | |
| 551 } else { | |
| 552 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 553 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 554 ChangeDisplaySettings(NULL, 0); | |
| 555 } | |
| 556 #endif | |
| 557 if ( flags & SDL_NOFRAME ) { | |
| 558 style &= ~windowstyle; | |
| 559 style |= directstyle; | |
| 560 video->flags |= SDL_NOFRAME; | |
| 561 } else { | |
| 562 style &= ~directstyle; | |
| 563 style |= windowstyle; | |
| 564 if ( flags & SDL_RESIZABLE ) { | |
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565 #ifndef _WIN32_WCE |
| 0 | 566 style |= resizestyle; |
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567 #endif |
| 0 | 568 video->flags |= SDL_RESIZABLE; |
| 569 } | |
| 570 } | |
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571 #ifndef _WIN32_WCE |
| 0 | 572 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
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573 #endif |
| 0 | 574 } |
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575 |
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576 /* DJM: Don't piss of anyone who has setup his own window */ |
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577 if (!SDL_windowid) |
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578 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 579 |
| 580 /* Delete the old bitmap if necessary */ | |
| 581 if ( screen_bmp != NULL ) { | |
| 582 DeleteObject(screen_bmp); | |
| 583 } | |
| 584 if ( ! (flags & SDL_OPENGL) ) { | |
| 585 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 586 | |
| 587 /* Suss out the bitmap info header */ | |
| 588 binfo_size = sizeof(*binfo); | |
| 589 if( is16bitmode ) { | |
| 590 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 591 binfo_size += 3*sizeof(DWORD); | |
| 592 } else if ( video->format->palette ) { | |
| 593 binfo_size += video->format->palette->ncolors * | |
| 594 sizeof(RGBQUAD); | |
| 595 } | |
| 596 binfo = (BITMAPINFO *)malloc(binfo_size); | |
| 597 if ( ! binfo ) { | |
| 598 if ( video != current ) { | |
| 599 SDL_FreeSurface(video); | |
| 600 } | |
| 601 SDL_OutOfMemory(); | |
| 602 return(NULL); | |
| 603 } | |
| 604 | |
| 605 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 606 binfo->bmiHeader.biWidth = video->w; | |
| 607 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 608 binfo->bmiHeader.biPlanes = 1; | |
| 609 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 610 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 611 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 612 binfo->bmiHeader.biClrUsed = 0; | |
| 613 binfo->bmiHeader.biClrImportant = 0; | |
| 614 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 615 | |
| 616 if ( is16bitmode ) { | |
| 617 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 618 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 619 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 620 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 621 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 622 } else { | |
| 623 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 624 if ( video->format->palette ) { | |
| 625 memset(binfo->bmiColors, 0, | |
| 626 video->format->palette->ncolors*sizeof(RGBQUAD)); | |
| 627 } | |
| 628 } | |
| 629 | |
| 630 /* Create the offscreen bitmap buffer */ | |
| 631 hdc = GetDC(SDL_Window); | |
| 632 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 633 (void **)(&video->pixels), NULL, 0); | |
| 634 ReleaseDC(SDL_Window, hdc); | |
| 635 free(binfo); | |
| 636 if ( screen_bmp == NULL ) { | |
| 637 if ( video != current ) { | |
| 638 SDL_FreeSurface(video); | |
| 639 } | |
| 640 SDL_SetError("Couldn't create DIB section"); | |
| 641 return(NULL); | |
| 642 } | |
| 643 this->UpdateRects = DIB_NormalUpdate; | |
| 644 | |
| 645 /* Set video surface flags */ | |
| 646 if ( bpp <= 8 ) { | |
| 647 /* BitBlt() maps colors for us */ | |
| 648 video->flags |= SDL_HWPALETTE; | |
| 649 } | |
| 650 } | |
| 651 | |
| 652 /* Resize the window */ | |
| 653 if ( SDL_windowid == NULL ) { | |
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654 HWND top; |
| 0 | 655 UINT swp_flags; |
| 656 | |
| 657 SDL_resizing = 1; | |
| 658 bounds.left = 0; | |
| 659 bounds.top = 0; | |
| 660 bounds.right = video->w; | |
| 661 bounds.bottom = video->h; | |
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662 #ifndef _WIN32_WCE |
| 0 | 663 AdjustWindowRect(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE); |
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664 #else |
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665 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE,0); |
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666 #endif |
| 0 | 667 width = bounds.right-bounds.left; |
| 668 height = bounds.bottom-bounds.top; | |
| 669 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; | |
| 670 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; | |
| 671 if ( y < 0 ) { /* Cover up title bar for more client area */ | |
| 672 y -= GetSystemMetrics(SM_CYCAPTION)/2; | |
| 673 } | |
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674 #ifndef _WIN32_WCE |
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675 swp_flags = (SWP_NOCOPYBITS | SWP_FRAMECHANGED | SWP_SHOWWINDOW); |
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676 #else |
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677 swp_flags = (SWP_FRAMECHANGED | SWP_SHOWWINDOW); |
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678 #endif |
| 0 | 679 if ( was_visible && !(flags & SDL_FULLSCREEN) ) { |
| 680 swp_flags |= SWP_NOMOVE; | |
| 681 } | |
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682 if ( flags & SDL_FULLSCREEN ) { |
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683 top = HWND_TOPMOST; |
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684 } else { |
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685 top = HWND_NOTOPMOST; |
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686 } |
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687 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
| 0 | 688 SDL_resizing = 0; |
| 689 SetForegroundWindow(SDL_Window); | |
| 690 } | |
| 691 | |
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692 #ifdef HAVE_OPENGL |
| 0 | 693 /* Set up for OpenGL */ |
| 694 if ( flags & SDL_OPENGL ) { | |
| 695 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 696 return(NULL); | |
| 697 } | |
| 698 video->flags |= SDL_OPENGL; | |
| 699 } | |
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700 #endif /* HAVE_OPENGL */ |
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701 |
| 0 | 702 /* We're live! */ |
| 703 return(video); | |
| 704 } | |
| 705 | |
| 706 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 707 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 708 { | |
| 709 return(-1); | |
| 710 } | |
| 711 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 712 { | |
| 713 return; | |
| 714 } | |
| 715 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 716 { | |
| 717 return(0); | |
| 718 } | |
| 719 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 720 { | |
| 721 return; | |
| 722 } | |
| 723 | |
| 724 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 725 { | |
| 726 HDC hdc, mdc; | |
| 727 int i; | |
| 728 | |
| 729 hdc = GetDC(SDL_Window); | |
| 730 if ( screen_pal ) { | |
| 731 SelectPalette(hdc, screen_pal, FALSE); | |
| 732 } | |
| 733 mdc = CreateCompatibleDC(hdc); | |
| 734 SelectObject(mdc, screen_bmp); | |
| 735 for ( i=0; i<numrects; ++i ) { | |
| 736 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 737 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 738 } | |
| 739 DeleteDC(mdc); | |
| 740 ReleaseDC(SDL_Window, hdc); | |
| 741 } | |
| 742 | |
| 743 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 744 { | |
| 745 RGBQUAD *pal; | |
| 746 int i; | |
|
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747 #ifndef _WIN32_WCE |
| 0 | 748 HDC hdc, mdc; |
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749 #else |
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750 HDC hdc; |
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751 #endif |
| 0 | 752 |
| 753 /* Update the display palette */ | |
| 754 hdc = GetDC(SDL_Window); | |
| 755 if ( screen_pal ) { | |
| 756 PALETTEENTRY *entries; | |
| 757 | |
| 758 entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY)); | |
| 759 for ( i=0; i<ncolors; ++i ) { | |
| 760 entries[i].peRed = colors[i].r; | |
| 761 entries[i].peGreen = colors[i].g; | |
| 762 entries[i].peBlue = colors[i].b; | |
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763 #ifndef _WIN32_WCE |
| 0 | 764 entries[i].peFlags = PC_NOCOLLAPSE; |
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765 #else |
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766 entries[i].peFlags = 0; |
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767 #endif |
| 0 | 768 } |
| 769 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 770 SelectPalette(hdc, screen_pal, FALSE); | |
| 771 RealizePalette(hdc); | |
| 772 } | |
| 773 | |
| 774 /* Copy palette colors into DIB palette */ | |
| 775 pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD)); | |
| 776 for ( i=0; i<ncolors; ++i ) { | |
| 777 pal[i].rgbRed = colors[i].r; | |
| 778 pal[i].rgbGreen = colors[i].g; | |
| 779 pal[i].rgbBlue = colors[i].b; | |
| 780 pal[i].rgbReserved = 0; | |
| 781 } | |
| 782 | |
| 783 /* Set the DIB palette and update the display */ | |
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784 #ifndef _WIN32_WCE |
| 0 | 785 mdc = CreateCompatibleDC(hdc); |
| 786 SelectObject(mdc, screen_bmp); | |
| 787 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 788 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 789 mdc, 0, 0, SRCCOPY); | |
| 790 DeleteDC(mdc); | |
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791 #endif |
| 0 | 792 ReleaseDC(SDL_Window, hdc); |
| 793 return(1); | |
| 794 } | |
| 795 | |
| 796 static void DIB_CheckGamma(_THIS) | |
| 797 { | |
| 798 #ifndef NO_GAMMA_SUPPORT | |
| 799 HDC hdc; | |
| 800 WORD ramp[3*256]; | |
| 801 | |
| 802 /* If we fail to get gamma, disable gamma control */ | |
| 803 hdc = GetDC(SDL_Window); | |
| 804 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 805 this->GetGammaRamp = NULL; | |
| 806 this->SetGammaRamp = NULL; | |
| 807 } | |
| 808 ReleaseDC(SDL_Window, hdc); | |
| 809 #endif /* !NO_GAMMA_SUPPORT */ | |
| 810 } | |
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811 void DIB_SwapGamma(_THIS) |
| 0 | 812 { |
| 813 #ifndef NO_GAMMA_SUPPORT | |
| 814 HDC hdc; | |
| 815 | |
| 816 if ( gamma_saved ) { | |
| 817 hdc = GetDC(SDL_Window); | |
| 818 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 819 /* About to leave active state, restore gamma */ | |
| 820 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 821 } else { | |
| 822 /* About to enter active state, set game gamma */ | |
| 823 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 824 SetDeviceGammaRamp(hdc, this->gamma); | |
| 825 } | |
| 826 ReleaseDC(SDL_Window, hdc); | |
| 827 } | |
| 828 #endif /* !NO_GAMMA_SUPPORT */ | |
| 829 } | |
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830 void DIB_QuitGamma(_THIS) |
| 0 | 831 { |
| 832 #ifndef NO_GAMMA_SUPPORT | |
| 833 if ( gamma_saved ) { | |
| 834 /* Restore the original gamma if necessary */ | |
| 835 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 836 HDC hdc; | |
| 837 | |
| 838 hdc = GetDC(SDL_Window); | |
| 839 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 840 ReleaseDC(SDL_Window, hdc); | |
| 841 } | |
| 842 | |
| 843 /* Free the saved gamma memory */ | |
| 844 free(gamma_saved); | |
| 845 gamma_saved = 0; | |
| 846 } | |
| 847 #endif /* !NO_GAMMA_SUPPORT */ | |
| 848 } | |
| 849 | |
|
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850 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 851 { |
|
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852 #ifdef NO_GAMMA_SUPPORT |
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853 SDL_SetError("SDL compiled without gamma ramp support"); |
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854 return -1; |
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855 #else |
| 0 | 856 HDC hdc; |
| 857 BOOL succeeded; | |
| 858 | |
| 859 /* Set the ramp for the display */ | |
| 860 if ( ! gamma_saved ) { | |
| 861 gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved)); | |
| 862 if ( ! gamma_saved ) { | |
| 863 SDL_OutOfMemory(); | |
| 864 return -1; | |
| 865 } | |
| 866 hdc = GetDC(SDL_Window); | |
| 867 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 868 ReleaseDC(SDL_Window, hdc); | |
| 869 } | |
| 870 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 871 hdc = GetDC(SDL_Window); | |
| 872 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 873 ReleaseDC(SDL_Window, hdc); | |
| 874 } else { | |
| 875 succeeded = TRUE; | |
| 876 } | |
| 877 return succeeded ? 0 : -1; | |
|
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878 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 879 } |
| 880 | |
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881 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 882 { |
|
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883 #ifdef NO_GAMMA_SUPPORT |
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884 SDL_SetError("SDL compiled without gamma ramp support"); |
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885 return -1; |
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886 #else |
| 0 | 887 HDC hdc; |
| 888 BOOL succeeded; | |
| 889 | |
| 890 /* Get the ramp from the display */ | |
| 891 hdc = GetDC(SDL_Window); | |
| 892 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 893 ReleaseDC(SDL_Window, hdc); | |
| 894 return succeeded ? 0 : -1; | |
|
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895 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 896 } |
| 897 | |
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898 static void FlushMessageQueue() |
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899 { |
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900 MSG msg; |
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901 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
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902 if ( msg.message == WM_QUIT ) break; |
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903 TranslateMessage( &msg ); |
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904 DispatchMessage( &msg ); |
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905 } |
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906 } |
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907 |
| 0 | 908 void DIB_VideoQuit(_THIS) |
| 909 { | |
| 910 /* Destroy the window and everything associated with it */ | |
| 911 if ( SDL_Window ) { | |
| 912 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 913 if ( this->screen ) { | |
| 914 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 915 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 916 ChangeDisplaySettings(NULL, 0); | |
|
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917 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 918 } |
| 919 #endif | |
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920 #ifdef HAVE_OPENGL |
| 0 | 921 if ( this->screen->flags & SDL_OPENGL ) { |
| 922 WIN_GL_ShutDown(this); | |
| 923 } | |
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924 #endif /* HAVE_OPENGL */ |
| 0 | 925 this->screen->pixels = NULL; |
| 926 } | |
| 927 if ( screen_bmp ) { | |
| 928 DeleteObject(screen_bmp); | |
| 929 screen_bmp = NULL; | |
| 930 } | |
| 931 if ( screen_icn ) { | |
| 932 DestroyIcon(screen_icn); | |
| 933 screen_icn = NULL; | |
| 934 } | |
| 935 DIB_QuitGamma(this); | |
| 936 DIB_DestroyWindow(this); | |
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937 FlushMessageQueue(); |
| 0 | 938 |
| 939 SDL_Window = NULL; | |
| 940 } | |
| 941 } | |
| 942 | |
| 943 /* Exported for the windows message loop only */ | |
| 944 static void DIB_FocusPalette(_THIS, int foreground) | |
| 945 { | |
| 946 if ( screen_pal != NULL ) { | |
| 947 HDC hdc; | |
| 948 | |
| 949 hdc = GetDC(SDL_Window); | |
| 950 SelectPalette(hdc, screen_pal, FALSE); | |
| 951 if ( RealizePalette(hdc) ) | |
| 952 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 953 ReleaseDC(SDL_Window, hdc); | |
| 954 } | |
| 955 } | |
| 956 static void DIB_RealizePalette(_THIS) | |
| 957 { | |
| 958 DIB_FocusPalette(this, 1); | |
| 959 } | |
| 960 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 961 { | |
| 962 if ( window != SDL_Window ) { | |
| 963 DIB_FocusPalette(this, 0); | |
| 964 } | |
| 965 } | |
| 966 | |
| 967 /* Exported for the windows message loop only */ | |
| 968 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 969 { | |
| 970 HDC mdc; | |
| 971 | |
| 972 if ( screen_pal ) { | |
| 973 SelectPalette(hdc, screen_pal, FALSE); | |
| 974 } | |
| 975 mdc = CreateCompatibleDC(hdc); | |
| 976 SelectObject(mdc, screen_bmp); | |
| 977 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 978 mdc, 0, 0, SRCCOPY); | |
| 979 DeleteDC(mdc); | |
| 980 } | |
| 981 | |
| 982 /* Stub in case DirectX isn't available */ | |
| 983 #ifndef ENABLE_DIRECTX | |
| 984 void DX5_SoundFocus(HWND hwnd) | |
| 985 { | |
| 986 return; | |
| 987 } | |
| 988 #endif |