Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 532:058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 15 Oct 2002 05:22:50 +0000 |
| parents | 230b156829ed |
| children | ed57c876700d |
| 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 #if defined(WIN32_PLATFORM_PSPC) |
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33 #include <aygshell.h> // Add Pocket PC includes |
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34 #pragma comment( lib, "aygshell" ) // Link Pocket PC library |
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35 #endif |
| 0 | 36 |
| 37 /* Not yet in the mingw32 cross-compile headers */ | |
| 38 #ifndef CDS_FULLSCREEN | |
| 39 #define CDS_FULLSCREEN 4 | |
| 40 #endif | |
| 41 | |
| 42 #include "SDL.h" | |
| 43 #include "SDL_mutex.h" | |
| 44 #include "SDL_syswm.h" | |
| 45 #include "SDL_sysvideo.h" | |
| 46 #include "SDL_sysevents.h" | |
| 47 #include "SDL_events_c.h" | |
| 48 #include "SDL_pixels_c.h" | |
| 49 #include "SDL_dibvideo.h" | |
| 50 #include "SDL_syswm_c.h" | |
| 51 #include "SDL_sysmouse_c.h" | |
| 52 #include "SDL_dibevents_c.h" | |
| 53 #include "SDL_wingl_c.h" | |
| 54 | |
| 55 #ifdef _WIN32_WCE | |
| 56 #define NO_GETDIBITS | |
| 57 #define NO_CHANGEDISPLAYSETTINGS | |
| 58 #define NO_GAMMA_SUPPORT | |
| 59 #endif | |
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60 #ifndef WS_MAXIMIZE |
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61 #define WS_MAXIMIZE 0 |
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62 #endif |
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63 #ifndef SWP_NOCOPYBITS |
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64 #define SWP_NOCOPYBITS 0 |
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65 #endif |
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66 #ifndef PC_NOCOLLAPSE |
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67 #define PC_NOCOLLAPSE 0 |
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68 #endif |
| 0 | 69 |
| 70 /* Initialization/Query functions */ | |
| 71 static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 72 static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 73 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 74 static int DIB_SetColors(_THIS, int firstcolor, int ncolors, | |
| 75 SDL_Color *colors); | |
| 76 static void DIB_CheckGamma(_THIS); | |
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77 void DIB_SwapGamma(_THIS); |
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78 void DIB_QuitGamma(_THIS); |
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79 int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
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80 int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 0 | 81 static void DIB_VideoQuit(_THIS); |
| 82 | |
| 83 /* Hardware surface functions */ | |
| 84 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 85 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 86 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 87 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 88 | |
| 89 /* Windows message handling functions */ | |
| 90 static void DIB_RealizePalette(_THIS); | |
| 91 static void DIB_PaletteChanged(_THIS, HWND window); | |
| 92 static void DIB_WinPAINT(_THIS, HDC hdc); | |
| 93 | |
| 94 /* helper fn */ | |
| 95 static int DIB_SussScreenDepth(); | |
| 96 | |
| 97 /* DIB driver bootstrap functions */ | |
| 98 | |
| 99 static int DIB_Available(void) | |
| 100 { | |
| 101 return(1); | |
| 102 } | |
| 103 | |
| 104 static void DIB_DeleteDevice(SDL_VideoDevice *device) | |
| 105 { | |
| 106 if ( device ) { | |
| 107 if ( device->hidden ) { | |
| 108 free(device->hidden); | |
| 109 } | |
| 110 if ( device->gl_data ) { | |
| 111 free(device->gl_data); | |
| 112 } | |
| 113 free(device); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 static SDL_VideoDevice *DIB_CreateDevice(int devindex) | |
| 118 { | |
| 119 SDL_VideoDevice *device; | |
| 120 | |
| 121 /* Initialize all variables that we clean on shutdown */ | |
| 122 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 123 if ( device ) { | |
| 124 memset(device, 0, (sizeof *device)); | |
| 125 device->hidden = (struct SDL_PrivateVideoData *) | |
| 126 malloc((sizeof *device->hidden)); | |
| 127 device->gl_data = (struct SDL_PrivateGLData *) | |
| 128 malloc((sizeof *device->gl_data)); | |
| 129 } | |
| 130 if ( (device == NULL) || (device->hidden == NULL) || | |
| 131 (device->gl_data == NULL) ) { | |
| 132 SDL_OutOfMemory(); | |
| 133 DIB_DeleteDevice(device); | |
| 134 return(NULL); | |
| 135 } | |
| 136 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 137 memset(device->gl_data, 0, (sizeof *device->gl_data)); | |
| 138 | |
| 139 /* Set the function pointers */ | |
| 140 device->VideoInit = DIB_VideoInit; | |
| 141 device->ListModes = DIB_ListModes; | |
| 142 device->SetVideoMode = DIB_SetVideoMode; | |
| 143 device->UpdateMouse = WIN_UpdateMouse; | |
| 144 device->SetColors = DIB_SetColors; | |
| 145 device->UpdateRects = NULL; | |
| 146 device->VideoQuit = DIB_VideoQuit; | |
| 147 device->AllocHWSurface = DIB_AllocHWSurface; | |
| 148 device->CheckHWBlit = NULL; | |
| 149 device->FillHWRect = NULL; | |
| 150 device->SetHWColorKey = NULL; | |
| 151 device->SetHWAlpha = NULL; | |
| 152 device->LockHWSurface = DIB_LockHWSurface; | |
| 153 device->UnlockHWSurface = DIB_UnlockHWSurface; | |
| 154 device->FlipHWSurface = NULL; | |
| 155 device->FreeHWSurface = DIB_FreeHWSurface; | |
| 156 device->SetGammaRamp = DIB_SetGammaRamp; | |
| 157 device->GetGammaRamp = DIB_GetGammaRamp; | |
| 158 #ifdef HAVE_OPENGL | |
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159 device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
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160 device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
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161 device->GL_GetAttribute = WIN_GL_GetAttribute; |
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162 device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
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163 device->GL_SwapBuffers = WIN_GL_SwapBuffers; |
| 0 | 164 #endif |
| 165 device->SetCaption = WIN_SetWMCaption; | |
| 166 device->SetIcon = WIN_SetWMIcon; | |
| 167 device->IconifyWindow = WIN_IconifyWindow; | |
| 168 device->GrabInput = WIN_GrabInput; | |
| 169 device->GetWMInfo = WIN_GetWMInfo; | |
| 170 device->FreeWMCursor = WIN_FreeWMCursor; | |
| 171 device->CreateWMCursor = WIN_CreateWMCursor; | |
| 172 device->ShowWMCursor = WIN_ShowWMCursor; | |
| 173 device->WarpWMCursor = WIN_WarpWMCursor; | |
| 174 device->CheckMouseMode = WIN_CheckMouseMode; | |
| 175 device->InitOSKeymap = DIB_InitOSKeymap; | |
| 176 device->PumpEvents = DIB_PumpEvents; | |
| 177 | |
| 178 /* Set up the windows message handling functions */ | |
| 179 WIN_RealizePalette = DIB_RealizePalette; | |
| 180 WIN_PaletteChanged = DIB_PaletteChanged; | |
| 181 WIN_WinPAINT = DIB_WinPAINT; | |
| 182 HandleMessage = DIB_HandleMessage; | |
| 183 | |
| 184 device->free = DIB_DeleteDevice; | |
| 185 | |
| 186 /* We're finally ready */ | |
| 187 return device; | |
| 188 } | |
| 189 | |
| 190 VideoBootStrap WINDIB_bootstrap = { | |
| 191 "windib", "Win95/98/NT/2000 GDI", | |
| 192 DIB_Available, DIB_CreateDevice | |
| 193 }; | |
| 194 | |
| 195 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 196 | |
| 197 static int cmpmodes(const void *va, const void *vb) | |
| 198 { | |
| 199 SDL_Rect *a = *(SDL_Rect **)va; | |
| 200 SDL_Rect *b = *(SDL_Rect **)vb; | |
| 201 if(a->w > b->w) | |
| 202 return -1; | |
| 203 return b->h - a->h; | |
| 204 } | |
| 205 | |
| 206 static int DIB_AddMode(_THIS, int bpp, int w, int h) | |
| 207 { | |
| 208 SDL_Rect *mode; | |
| 209 int i, index; | |
| 210 int next_mode; | |
| 211 | |
| 212 /* Check to see if we already have this mode */ | |
| 213 if ( bpp < 8 ) { /* Not supported */ | |
| 214 return(0); | |
| 215 } | |
| 216 index = ((bpp+7)/8)-1; | |
| 217 for ( i=0; i<SDL_nummodes[index]; ++i ) { | |
| 218 mode = SDL_modelist[index][i]; | |
| 219 if ( (mode->w == w) && (mode->h == h) ) { | |
| 220 return(0); | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 /* Set up the new video mode rectangle */ | |
| 225 mode = (SDL_Rect *)malloc(sizeof *mode); | |
| 226 if ( mode == NULL ) { | |
| 227 SDL_OutOfMemory(); | |
| 228 return(-1); | |
| 229 } | |
| 230 mode->x = 0; | |
| 231 mode->y = 0; | |
| 232 mode->w = w; | |
| 233 mode->h = h; | |
| 234 | |
| 235 /* Allocate the new list of modes, and fill in the new mode */ | |
| 236 next_mode = SDL_nummodes[index]; | |
| 237 SDL_modelist[index] = (SDL_Rect **) | |
| 238 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | |
| 239 if ( SDL_modelist[index] == NULL ) { | |
| 240 SDL_OutOfMemory(); | |
| 241 SDL_nummodes[index] = 0; | |
| 242 free(mode); | |
| 243 return(-1); | |
| 244 } | |
| 245 SDL_modelist[index][next_mode] = mode; | |
| 246 SDL_modelist[index][next_mode+1] = NULL; | |
| 247 SDL_nummodes[index]++; | |
| 248 | |
| 249 return(0); | |
| 250 } | |
| 251 | |
| 252 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 253 | |
| 254 static HPALETTE DIB_CreatePalette(int bpp) | |
| 255 { | |
| 256 /* RJR: March 28, 2000 | |
| 257 moved palette creation here from "DIB_VideoInit" */ | |
| 258 | |
| 259 HPALETTE handle = NULL; | |
| 260 | |
| 261 if ( bpp <= 8 ) | |
| 262 { | |
| 263 LOGPALETTE *palette; | |
| 264 HDC hdc; | |
| 265 int ncolors; | |
| 266 int i; | |
| 267 | |
| 268 ncolors = 1; | |
| 269 for ( i=0; i<bpp; ++i ) { | |
| 270 ncolors *= 2; | |
| 271 } | |
| 272 palette = (LOGPALETTE *)malloc(sizeof(*palette)+ | |
| 273 ncolors*sizeof(PALETTEENTRY)); | |
| 274 palette->palVersion = 0x300; | |
| 275 palette->palNumEntries = ncolors; | |
| 276 hdc = GetDC(SDL_Window); | |
| 277 GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); | |
| 278 ReleaseDC(SDL_Window, hdc); | |
| 279 handle = CreatePalette(palette); | |
| 280 free(palette); | |
| 281 } | |
| 282 | |
| 283 return handle; | |
| 284 } | |
| 285 | |
| 286 int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 287 { | |
| 288 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 289 int i; | |
| 290 DEVMODE settings; | |
| 291 #endif | |
| 292 | |
| 293 /* Create the window */ | |
| 294 if ( DIB_CreateWindow(this) < 0 ) { | |
| 295 return(-1); | |
| 296 } | |
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297 #ifndef DISABLE_AUDIO |
| 0 | 298 DX5_SoundFocus(SDL_Window); |
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299 #endif |
| 0 | 300 |
| 301 /* Determine the screen depth */ | |
| 302 vformat->BitsPerPixel = DIB_SussScreenDepth(); | |
| 303 switch (vformat->BitsPerPixel) { | |
| 304 case 15: | |
| 305 vformat->Rmask = 0x00007c00; | |
| 306 vformat->Gmask = 0x000003e0; | |
| 307 vformat->Bmask = 0x0000001f; | |
| 308 vformat->BitsPerPixel = 16; | |
| 309 break; | |
| 310 case 16: | |
| 311 vformat->Rmask = 0x0000f800; | |
| 312 vformat->Gmask = 0x000007e0; | |
| 313 vformat->Bmask = 0x0000001f; | |
| 314 break; | |
| 315 case 24: | |
| 316 case 32: | |
| 317 /* GDI defined as 8-8-8 */ | |
| 318 vformat->Rmask = 0x00ff0000; | |
| 319 vformat->Gmask = 0x0000ff00; | |
| 320 vformat->Bmask = 0x000000ff; | |
| 321 break; | |
| 322 default: | |
| 323 break; | |
| 324 } | |
| 325 | |
| 326 /* See if gamma is supported on this screen */ | |
| 327 DIB_CheckGamma(this); | |
| 328 | |
| 329 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 330 /* Query for the list of available video modes */ | |
| 331 for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { | |
| 332 DIB_AddMode(this, settings.dmBitsPerPel, | |
| 333 settings.dmPelsWidth, settings.dmPelsHeight); | |
| 334 } | |
| 335 /* Sort the mode lists */ | |
| 336 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 337 if ( SDL_nummodes[i] > 0 ) { | |
| 338 qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); | |
| 339 } | |
| 340 } | |
| 341 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 342 | |
| 343 /* Grab an identity palette if we are in a palettized mode */ | |
| 344 if ( vformat->BitsPerPixel <= 8 ) { | |
| 345 /* RJR: March 28, 2000 | |
| 346 moved palette creation to "DIB_CreatePalette" */ | |
| 347 screen_pal = DIB_CreatePalette(vformat->BitsPerPixel); | |
| 348 } | |
| 349 | |
| 350 /* Fill in some window manager capabilities */ | |
| 351 this->info.wm_available = 1; | |
| 352 | |
| 353 /* We're done! */ | |
| 354 return(0); | |
| 355 } | |
| 356 | |
| 357 /* We support any format at any dimension */ | |
| 358 SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 359 { | |
| 360 #ifdef NO_CHANGEDISPLAYSETTINGS | |
| 361 return((SDL_Rect **)-1); | |
| 362 #else | |
| 363 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 364 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 365 } else { | |
| 366 return((SDL_Rect **)-1); | |
| 367 } | |
| 368 #endif | |
| 369 } | |
| 370 | |
| 371 | |
| 372 /* | |
| 373 Helper fn to work out which screen depth windows is currently using. | |
| 374 15 bit mode is considered 555 format, 16 bit is 565. | |
| 375 returns 0 for unknown mode. | |
| 376 (Derived from code in sept 1999 Windows Developer Journal | |
| 377 http://www.wdj.com/code/archive.html) | |
| 378 */ | |
| 379 static int DIB_SussScreenDepth() | |
| 380 { | |
| 381 #ifdef NO_GETDIBITS | |
| 382 int depth; | |
| 383 HDC hdc; | |
| 384 | |
| 385 hdc = GetDC(SDL_Window); | |
| 386 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); | |
| 387 ReleaseDC(SDL_Window, hdc); | |
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388 #ifndef _WIN32_WCE |
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389 // AFAIK 16 bit CE devices have indeed RGB 565 |
| 0 | 390 if ( depth == 16 ) { |
| 391 depth = 15; /* GDI defined as RGB 555 */ | |
| 392 } | |
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393 #endif |
| 0 | 394 return(depth); |
| 395 #else | |
| 396 int dib_size; | |
| 397 LPBITMAPINFOHEADER dib_hdr; | |
| 398 HDC hdc; | |
| 399 HBITMAP hbm; | |
| 400 | |
| 401 /* Allocate enough space for a DIB header plus palette (for | |
| 402 * 8-bit modes) or bitfields (for 16- and 32-bit modes) | |
| 403 */ | |
| 404 dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); | |
| 405 dib_hdr = (LPBITMAPINFOHEADER) malloc(dib_size); | |
| 406 memset(dib_hdr, 0, dib_size); | |
| 407 dib_hdr->biSize = sizeof(BITMAPINFOHEADER); | |
| 408 | |
| 409 /* Get a device-dependent bitmap that's compatible with the | |
| 410 screen. | |
| 411 */ | |
| 412 hdc = GetDC(NULL); | |
| 413 hbm = CreateCompatibleBitmap( hdc, 1, 1 ); | |
| 414 | |
| 415 /* Convert the DDB to a DIB. We need to call GetDIBits twice: | |
| 416 * the first call just fills in the BITMAPINFOHEADER; the | |
| 417 * second fills in the bitfields or palette. | |
| 418 */ | |
| 419 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 420 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 421 DeleteObject(hbm); | |
| 422 ReleaseDC(NULL, hdc); | |
| 423 | |
| 424 switch( dib_hdr->biBitCount ) | |
| 425 { | |
| 426 case 8: return 8; | |
| 427 case 24: return 24; | |
| 428 case 32: return 32; | |
| 429 case 16: | |
| 430 if( dib_hdr->biCompression == BI_BITFIELDS ) { | |
| 431 /* check the red mask */ | |
| 432 switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { | |
| 433 case 0xf800: return 16; /* 565 */ | |
| 434 case 0x7c00: return 15; /* 555 */ | |
| 435 } | |
| 436 } | |
| 437 } | |
| 438 return 0; /* poo. */ | |
| 439 #endif /* NO_GETDIBITS */ | |
| 440 } | |
| 441 | |
| 442 | |
| 443 /* Various screen update functions available */ | |
| 444 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 445 | |
| 446 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 447 int width, int height, int bpp, Uint32 flags) | |
| 448 { | |
| 449 SDL_Surface *video; | |
| 450 Uint32 prev_flags; | |
| 451 DWORD style; | |
| 452 const DWORD directstyle = | |
| 453 (WS_POPUP); | |
| 454 const DWORD windowstyle = | |
| 455 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); | |
| 456 const DWORD resizestyle = | |
| 457 (WS_THICKFRAME|WS_MAXIMIZEBOX); | |
| 458 int binfo_size; | |
| 459 BITMAPINFO *binfo; | |
| 460 HDC hdc; | |
| 461 RECT bounds; | |
| 462 int x, y; | |
| 463 BOOL was_visible; | |
| 464 Uint32 Rmask, Gmask, Bmask; | |
| 465 | |
| 466 /* See whether or not we should center the window */ | |
| 467 was_visible = IsWindowVisible(SDL_Window); | |
| 468 | |
| 469 /* Clean up any GL context that may be hanging around */ | |
| 470 if ( current->flags & SDL_OPENGL ) { | |
| 471 WIN_GL_ShutDown(this); | |
| 472 } | |
| 473 | |
| 474 /* Recalculate the bitmasks if necessary */ | |
| 475 if ( bpp == current->format->BitsPerPixel ) { | |
| 476 video = current; | |
| 477 } else { | |
| 478 switch (bpp) { | |
| 479 case 15: | |
| 480 case 16: | |
| 481 if ( DIB_SussScreenDepth() == 15 ) { | |
| 482 /* 5-5-5 */ | |
| 483 Rmask = 0x00007c00; | |
| 484 Gmask = 0x000003e0; | |
| 485 Bmask = 0x0000001f; | |
| 486 } else { | |
| 487 /* 5-6-5 */ | |
| 488 Rmask = 0x0000f800; | |
| 489 Gmask = 0x000007e0; | |
| 490 Bmask = 0x0000001f; | |
| 491 } | |
| 492 break; | |
| 493 case 24: | |
| 494 case 32: | |
| 495 /* GDI defined as 8-8-8 */ | |
| 496 Rmask = 0x00ff0000; | |
| 497 Gmask = 0x0000ff00; | |
| 498 Bmask = 0x000000ff; | |
| 499 break; | |
| 500 default: | |
| 501 Rmask = 0x00000000; | |
| 502 Gmask = 0x00000000; | |
| 503 Bmask = 0x00000000; | |
| 504 break; | |
| 505 } | |
| 506 video = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 507 0, 0, bpp, Rmask, Gmask, Bmask, 0); | |
| 508 if ( video == NULL ) { | |
| 509 SDL_OutOfMemory(); | |
| 510 return(NULL); | |
| 511 } | |
| 512 } | |
| 513 | |
| 514 /* Fill in part of the video surface */ | |
| 515 prev_flags = video->flags; | |
| 516 video->flags = 0; /* Clear flags */ | |
| 517 video->w = width; | |
| 518 video->h = height; | |
| 519 video->pitch = SDL_CalculatePitch(video); | |
| 520 | |
|
515
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521 #ifdef WIN32_PLATFORM_PSPC |
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514
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522 /* Stuff to hide that $#!^%#$ WinCE taskbar in fullscreen... */ |
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523 if ( flags & SDL_FULLSCREEN ) { |
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524 if ( !(prev_flags & SDL_FULLSCREEN) ) { |
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525 SHFullScreen(SDL_Window, SHFS_HIDETASKBAR); |
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526 SHFullScreen(SDL_Window, SHFS_HIDESIPBUTTON); |
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527 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE); |
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528 } |
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529 video->flags |= SDL_FULLSCREEN; |
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530 } else { |
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531 if ( prev_flags & SDL_FULLSCREEN ) { |
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532 SHFullScreen(SDL_Window, SHFS_SHOWTASKBAR); |
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533 SHFullScreen(SDL_Window, SHFS_SHOWSIPBUTTON); |
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534 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOWNORMAL); |
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535 } |
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536 } |
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537 #endif |
| 0 | 538 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 539 /* Set fullscreen mode if appropriate */ | |
| 540 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 541 DEVMODE settings; | |
| 542 | |
| 543 memset(&settings, 0, sizeof(DEVMODE)); | |
| 544 settings.dmSize = sizeof(DEVMODE); | |
| 545 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 546 settings.dmPelsWidth = width; | |
| 547 settings.dmPelsHeight = height; | |
| 548 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
| 549 if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) { | |
| 550 video->flags |= SDL_FULLSCREEN; | |
|
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551 SDL_fullscreen_mode = settings; |
| 0 | 552 } |
| 553 } | |
| 554 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 555 | |
|
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556 /* Reset the palette and create a new one if necessary */ |
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557 if ( screen_pal != NULL ) { |
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558 /* RJR: March 28, 2000 |
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559 delete identity palette if switching from a palettized mode */ |
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560 DeleteObject(screen_pal); |
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561 screen_pal = NULL; |
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562 } |
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563 if ( bpp <= 8 ) |
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564 { |
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565 /* RJR: March 28, 2000 |
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566 create identity palette switching to a palettized mode */ |
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567 screen_pal = DIB_CreatePalette(bpp); |
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568 } |
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569 |
| 0 | 570 style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 571 style &= ~(resizestyle|WS_MAXIMIZE); | |
| 572 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 573 style &= ~windowstyle; | |
| 574 style |= directstyle; | |
| 575 } else { | |
| 576 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 577 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 578 ChangeDisplaySettings(NULL, 0); | |
| 579 } | |
| 580 #endif | |
| 581 if ( flags & SDL_NOFRAME ) { | |
| 582 style &= ~windowstyle; | |
| 583 style |= directstyle; | |
| 584 video->flags |= SDL_NOFRAME; | |
| 585 } else { | |
| 586 style &= ~directstyle; | |
| 587 style |= windowstyle; | |
| 588 if ( flags & SDL_RESIZABLE ) { | |
| 589 style |= resizestyle; | |
| 590 video->flags |= SDL_RESIZABLE; | |
| 591 } | |
| 592 } | |
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593 #if WS_MAXIMIZE |
| 0 | 594 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
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595 #endif |
| 0 | 596 } |
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597 |
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598 /* DJM: Don't piss of anyone who has setup his own window */ |
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599 if (!SDL_windowid) |
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600 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 601 |
| 602 /* Delete the old bitmap if necessary */ | |
| 603 if ( screen_bmp != NULL ) { | |
| 604 DeleteObject(screen_bmp); | |
| 605 } | |
| 606 if ( ! (flags & SDL_OPENGL) ) { | |
| 607 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 608 | |
| 609 /* Suss out the bitmap info header */ | |
| 610 binfo_size = sizeof(*binfo); | |
| 611 if( is16bitmode ) { | |
| 612 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 613 binfo_size += 3*sizeof(DWORD); | |
| 614 } else if ( video->format->palette ) { | |
| 615 binfo_size += video->format->palette->ncolors * | |
| 616 sizeof(RGBQUAD); | |
| 617 } | |
| 618 binfo = (BITMAPINFO *)malloc(binfo_size); | |
| 619 if ( ! binfo ) { | |
| 620 if ( video != current ) { | |
| 621 SDL_FreeSurface(video); | |
| 622 } | |
| 623 SDL_OutOfMemory(); | |
| 624 return(NULL); | |
| 625 } | |
| 626 | |
| 627 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 628 binfo->bmiHeader.biWidth = video->w; | |
| 629 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 630 binfo->bmiHeader.biPlanes = 1; | |
| 631 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 632 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 633 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 634 binfo->bmiHeader.biClrUsed = 0; | |
| 635 binfo->bmiHeader.biClrImportant = 0; | |
| 636 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 637 | |
| 638 if ( is16bitmode ) { | |
| 639 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 640 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 641 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 642 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 643 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 644 } else { | |
| 645 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 646 if ( video->format->palette ) { | |
| 647 memset(binfo->bmiColors, 0, | |
| 648 video->format->palette->ncolors*sizeof(RGBQUAD)); | |
| 649 } | |
| 650 } | |
| 651 | |
| 652 /* Create the offscreen bitmap buffer */ | |
| 653 hdc = GetDC(SDL_Window); | |
| 654 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 655 (void **)(&video->pixels), NULL, 0); | |
| 656 ReleaseDC(SDL_Window, hdc); | |
| 657 free(binfo); | |
| 658 if ( screen_bmp == NULL ) { | |
| 659 if ( video != current ) { | |
| 660 SDL_FreeSurface(video); | |
| 661 } | |
| 662 SDL_SetError("Couldn't create DIB section"); | |
| 663 return(NULL); | |
| 664 } | |
| 665 this->UpdateRects = DIB_NormalUpdate; | |
| 666 | |
| 667 /* Set video surface flags */ | |
| 668 if ( bpp <= 8 ) { | |
| 669 /* BitBlt() maps colors for us */ | |
| 670 video->flags |= SDL_HWPALETTE; | |
| 671 } | |
| 672 } | |
| 673 | |
| 674 /* Resize the window */ | |
| 675 if ( SDL_windowid == NULL ) { | |
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676 HWND top; |
| 0 | 677 UINT swp_flags; |
| 678 | |
| 679 SDL_resizing = 1; | |
| 680 bounds.left = 0; | |
| 681 bounds.top = 0; | |
| 682 bounds.right = video->w; | |
| 683 bounds.bottom = video->h; | |
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684 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE, 0); |
| 0 | 685 width = bounds.right-bounds.left; |
| 686 height = bounds.bottom-bounds.top; | |
| 687 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; | |
| 688 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; | |
| 689 if ( y < 0 ) { /* Cover up title bar for more client area */ | |
| 690 y -= GetSystemMetrics(SM_CYCAPTION)/2; | |
| 691 } | |
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692 swp_flags = (SWP_NOCOPYBITS | SWP_FRAMECHANGED | SWP_SHOWWINDOW); |
| 0 | 693 if ( was_visible && !(flags & SDL_FULLSCREEN) ) { |
| 694 swp_flags |= SWP_NOMOVE; | |
| 695 } | |
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696 if ( flags & SDL_FULLSCREEN ) { |
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697 top = HWND_TOPMOST; |
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698 } else { |
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699 top = HWND_NOTOPMOST; |
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700 } |
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701 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
| 0 | 702 SDL_resizing = 0; |
| 703 SetForegroundWindow(SDL_Window); | |
| 704 } | |
| 705 | |
| 706 /* Set up for OpenGL */ | |
| 707 if ( flags & SDL_OPENGL ) { | |
| 708 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 709 return(NULL); | |
| 710 } | |
| 711 video->flags |= SDL_OPENGL; | |
| 712 } | |
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713 |
| 0 | 714 /* We're live! */ |
| 715 return(video); | |
| 716 } | |
| 717 | |
| 718 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 719 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 720 { | |
| 721 return(-1); | |
| 722 } | |
| 723 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 724 { | |
| 725 return; | |
| 726 } | |
| 727 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 728 { | |
| 729 return(0); | |
| 730 } | |
| 731 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 732 { | |
| 733 return; | |
| 734 } | |
| 735 | |
| 736 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 737 { | |
| 738 HDC hdc, mdc; | |
| 739 int i; | |
| 740 | |
| 741 hdc = GetDC(SDL_Window); | |
| 742 if ( screen_pal ) { | |
| 743 SelectPalette(hdc, screen_pal, FALSE); | |
| 744 } | |
| 745 mdc = CreateCompatibleDC(hdc); | |
| 746 SelectObject(mdc, screen_bmp); | |
| 747 for ( i=0; i<numrects; ++i ) { | |
| 748 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 749 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 750 } | |
| 751 DeleteDC(mdc); | |
| 752 ReleaseDC(SDL_Window, hdc); | |
| 753 } | |
| 754 | |
| 755 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 756 { | |
| 757 RGBQUAD *pal; | |
| 758 int i; | |
|
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759 #ifndef _WIN32_WCE |
| 0 | 760 HDC hdc, mdc; |
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761 #else |
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762 HDC hdc; |
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763 #endif |
| 0 | 764 |
| 765 /* Update the display palette */ | |
| 766 hdc = GetDC(SDL_Window); | |
| 767 if ( screen_pal ) { | |
| 768 PALETTEENTRY *entries; | |
| 769 | |
| 770 entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY)); | |
| 771 for ( i=0; i<ncolors; ++i ) { | |
| 772 entries[i].peRed = colors[i].r; | |
| 773 entries[i].peGreen = colors[i].g; | |
| 774 entries[i].peBlue = colors[i].b; | |
| 775 entries[i].peFlags = PC_NOCOLLAPSE; | |
| 776 } | |
| 777 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 778 SelectPalette(hdc, screen_pal, FALSE); | |
| 779 RealizePalette(hdc); | |
| 780 } | |
| 781 | |
| 782 /* Copy palette colors into DIB palette */ | |
| 783 pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD)); | |
| 784 for ( i=0; i<ncolors; ++i ) { | |
| 785 pal[i].rgbRed = colors[i].r; | |
| 786 pal[i].rgbGreen = colors[i].g; | |
| 787 pal[i].rgbBlue = colors[i].b; | |
| 788 pal[i].rgbReserved = 0; | |
| 789 } | |
| 790 | |
| 791 /* Set the DIB palette and update the display */ | |
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792 #ifndef _WIN32_WCE |
| 0 | 793 mdc = CreateCompatibleDC(hdc); |
| 794 SelectObject(mdc, screen_bmp); | |
| 795 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 796 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 797 mdc, 0, 0, SRCCOPY); | |
| 798 DeleteDC(mdc); | |
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Sam Lantinga <slouken@lokigames.com>
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799 #endif |
| 0 | 800 ReleaseDC(SDL_Window, hdc); |
| 801 return(1); | |
| 802 } | |
| 803 | |
| 804 static void DIB_CheckGamma(_THIS) | |
| 805 { | |
| 806 #ifndef NO_GAMMA_SUPPORT | |
| 807 HDC hdc; | |
| 808 WORD ramp[3*256]; | |
| 809 | |
| 810 /* If we fail to get gamma, disable gamma control */ | |
| 811 hdc = GetDC(SDL_Window); | |
| 812 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 813 this->GetGammaRamp = NULL; | |
| 814 this->SetGammaRamp = NULL; | |
| 815 } | |
| 816 ReleaseDC(SDL_Window, hdc); | |
| 817 #endif /* !NO_GAMMA_SUPPORT */ | |
| 818 } | |
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819 void DIB_SwapGamma(_THIS) |
| 0 | 820 { |
| 821 #ifndef NO_GAMMA_SUPPORT | |
| 822 HDC hdc; | |
| 823 | |
| 824 if ( gamma_saved ) { | |
| 825 hdc = GetDC(SDL_Window); | |
| 826 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 827 /* About to leave active state, restore gamma */ | |
| 828 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 829 } else { | |
| 830 /* About to enter active state, set game gamma */ | |
| 831 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 832 SetDeviceGammaRamp(hdc, this->gamma); | |
| 833 } | |
| 834 ReleaseDC(SDL_Window, hdc); | |
| 835 } | |
| 836 #endif /* !NO_GAMMA_SUPPORT */ | |
| 837 } | |
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838 void DIB_QuitGamma(_THIS) |
| 0 | 839 { |
| 840 #ifndef NO_GAMMA_SUPPORT | |
| 841 if ( gamma_saved ) { | |
| 842 /* Restore the original gamma if necessary */ | |
| 843 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 844 HDC hdc; | |
| 845 | |
| 846 hdc = GetDC(SDL_Window); | |
| 847 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 848 ReleaseDC(SDL_Window, hdc); | |
| 849 } | |
| 850 | |
| 851 /* Free the saved gamma memory */ | |
| 852 free(gamma_saved); | |
| 853 gamma_saved = 0; | |
| 854 } | |
| 855 #endif /* !NO_GAMMA_SUPPORT */ | |
| 856 } | |
| 857 | |
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858 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 859 { |
|
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860 #ifdef NO_GAMMA_SUPPORT |
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861 SDL_SetError("SDL compiled without gamma ramp support"); |
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862 return -1; |
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parents:
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863 #else |
| 0 | 864 HDC hdc; |
| 865 BOOL succeeded; | |
| 866 | |
| 867 /* Set the ramp for the display */ | |
| 868 if ( ! gamma_saved ) { | |
| 869 gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved)); | |
| 870 if ( ! gamma_saved ) { | |
| 871 SDL_OutOfMemory(); | |
| 872 return -1; | |
| 873 } | |
| 874 hdc = GetDC(SDL_Window); | |
| 875 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 876 ReleaseDC(SDL_Window, hdc); | |
| 877 } | |
| 878 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 879 hdc = GetDC(SDL_Window); | |
| 880 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 881 ReleaseDC(SDL_Window, hdc); | |
| 882 } else { | |
| 883 succeeded = TRUE; | |
| 884 } | |
| 885 return succeeded ? 0 : -1; | |
|
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886 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 887 } |
| 888 | |
|
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889 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 890 { |
|
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891 #ifdef NO_GAMMA_SUPPORT |
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892 SDL_SetError("SDL compiled without gamma ramp support"); |
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parents:
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893 return -1; |
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parents:
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894 #else |
| 0 | 895 HDC hdc; |
| 896 BOOL succeeded; | |
| 897 | |
| 898 /* Get the ramp from the display */ | |
| 899 hdc = GetDC(SDL_Window); | |
| 900 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 901 ReleaseDC(SDL_Window, hdc); | |
| 902 return succeeded ? 0 : -1; | |
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903 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 904 } |
| 905 | |
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906 static void FlushMessageQueue() |
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907 { |
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908 MSG msg; |
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909 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
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910 if ( msg.message == WM_QUIT ) break; |
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911 TranslateMessage( &msg ); |
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912 DispatchMessage( &msg ); |
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913 } |
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914 } |
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915 |
| 0 | 916 void DIB_VideoQuit(_THIS) |
| 917 { | |
| 918 /* Destroy the window and everything associated with it */ | |
| 919 if ( SDL_Window ) { | |
| 920 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 921 if ( this->screen ) { | |
|
515
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*** empty log message ***
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922 #ifdef WIN32_PLATFORM_PSPC |
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923 if ( this->screen->flags & SDL_FULLSCREEN ) { |
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924 /* Unhide taskbar, etc. */ |
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925 SHFullScreen(SDL_Window, SHFS_SHOWTASKBAR); |
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926 SHFullScreen(SDL_Window, SHFS_SHOWSIPBUTTON); |
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927 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOWNORMAL); |
|
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928 } |
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929 #endif |
| 0 | 930 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 931 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 932 ChangeDisplaySettings(NULL, 0); | |
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933 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 934 } |
| 935 #endif | |
| 936 if ( this->screen->flags & SDL_OPENGL ) { | |
| 937 WIN_GL_ShutDown(this); | |
| 938 } | |
| 939 this->screen->pixels = NULL; | |
| 940 } | |
| 941 if ( screen_bmp ) { | |
| 942 DeleteObject(screen_bmp); | |
| 943 screen_bmp = NULL; | |
| 944 } | |
| 945 if ( screen_icn ) { | |
| 946 DestroyIcon(screen_icn); | |
| 947 screen_icn = NULL; | |
| 948 } | |
| 949 DIB_QuitGamma(this); | |
| 950 DIB_DestroyWindow(this); | |
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951 FlushMessageQueue(); |
| 0 | 952 |
| 953 SDL_Window = NULL; | |
| 954 } | |
| 955 } | |
| 956 | |
| 957 /* Exported for the windows message loop only */ | |
| 958 static void DIB_FocusPalette(_THIS, int foreground) | |
| 959 { | |
| 960 if ( screen_pal != NULL ) { | |
| 961 HDC hdc; | |
| 962 | |
| 963 hdc = GetDC(SDL_Window); | |
| 964 SelectPalette(hdc, screen_pal, FALSE); | |
| 965 if ( RealizePalette(hdc) ) | |
| 966 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 967 ReleaseDC(SDL_Window, hdc); | |
| 968 } | |
| 969 } | |
| 970 static void DIB_RealizePalette(_THIS) | |
| 971 { | |
| 972 DIB_FocusPalette(this, 1); | |
| 973 } | |
| 974 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 975 { | |
| 976 if ( window != SDL_Window ) { | |
| 977 DIB_FocusPalette(this, 0); | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 /* Exported for the windows message loop only */ | |
| 982 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 983 { | |
| 984 HDC mdc; | |
| 985 | |
| 986 if ( screen_pal ) { | |
| 987 SelectPalette(hdc, screen_pal, FALSE); | |
| 988 } | |
| 989 mdc = CreateCompatibleDC(hdc); | |
| 990 SelectObject(mdc, screen_bmp); | |
| 991 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 992 mdc, 0, 0, SRCCOPY); | |
| 993 DeleteDC(mdc); | |
| 994 } | |
| 995 | |
| 996 /* Stub in case DirectX isn't available */ | |
| 997 #ifndef ENABLE_DIRECTX | |
| 998 void DX5_SoundFocus(HWND hwnd) | |
| 999 { | |
| 1000 return; | |
| 1001 } | |
| 1002 #endif |