Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 1292:59c7a470a51e
Fixed palette bug on non-WinCE
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 29 Jan 2006 22:23:54 +0000 |
| parents | 31331c444ea2 |
| children | c3e36ac8a94c |
| 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 |
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33 |
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34 #if defined(_WIN32_WCE) |
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35 |
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36 // defined and used in SDL_sysevents.c |
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37 extern HINSTANCE aygshell; |
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38 |
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39 #endif |
| 0 | 40 |
| 41 /* Not yet in the mingw32 cross-compile headers */ | |
| 42 #ifndef CDS_FULLSCREEN | |
| 43 #define CDS_FULLSCREEN 4 | |
| 44 #endif | |
| 45 | |
| 46 #include "SDL.h" | |
| 47 #include "SDL_mutex.h" | |
| 48 #include "SDL_syswm.h" | |
| 49 #include "SDL_sysvideo.h" | |
| 50 #include "SDL_sysevents.h" | |
| 51 #include "SDL_events_c.h" | |
| 52 #include "SDL_pixels_c.h" | |
| 53 #include "SDL_dibvideo.h" | |
| 54 #include "SDL_syswm_c.h" | |
| 55 #include "SDL_sysmouse_c.h" | |
| 56 #include "SDL_dibevents_c.h" | |
| 57 #include "SDL_wingl_c.h" | |
| 58 | |
| 59 #ifdef _WIN32_WCE | |
| 60 #define NO_GETDIBITS | |
| 61 #define NO_CHANGEDISPLAYSETTINGS | |
| 62 #define NO_GAMMA_SUPPORT | |
| 63 #endif | |
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64 #ifndef WS_MAXIMIZE |
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65 #define WS_MAXIMIZE 0 |
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66 #endif |
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67 #ifndef WS_THICKFRAME |
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68 #define WS_THICKFRAME 0 |
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69 #endif |
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70 #ifndef SWP_NOCOPYBITS |
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71 #define SWP_NOCOPYBITS 0 |
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72 #endif |
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73 #ifndef PC_NOCOLLAPSE |
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74 #define PC_NOCOLLAPSE 0 |
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75 #endif |
| 0 | 76 |
| 77 /* Initialization/Query functions */ | |
| 78 static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 79 static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 80 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 81 static int DIB_SetColors(_THIS, int firstcolor, int ncolors, | |
| 82 SDL_Color *colors); | |
| 83 static void DIB_CheckGamma(_THIS); | |
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84 void DIB_SwapGamma(_THIS); |
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85 void DIB_QuitGamma(_THIS); |
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86 int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
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87 int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 0 | 88 static void DIB_VideoQuit(_THIS); |
| 89 | |
| 90 /* Hardware surface functions */ | |
| 91 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 92 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 93 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 94 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 95 | |
| 96 /* Windows message handling functions */ | |
| 97 static void DIB_RealizePalette(_THIS); | |
| 98 static void DIB_PaletteChanged(_THIS, HWND window); | |
| 99 static void DIB_WinPAINT(_THIS, HDC hdc); | |
| 100 | |
| 101 /* helper fn */ | |
| 102 static int DIB_SussScreenDepth(); | |
| 103 | |
| 104 /* DIB driver bootstrap functions */ | |
| 105 | |
| 106 static int DIB_Available(void) | |
| 107 { | |
| 108 return(1); | |
| 109 } | |
| 110 | |
| 111 static void DIB_DeleteDevice(SDL_VideoDevice *device) | |
| 112 { | |
| 113 if ( device ) { | |
| 114 if ( device->hidden ) { | |
| 115 free(device->hidden); | |
| 116 } | |
| 117 if ( device->gl_data ) { | |
| 118 free(device->gl_data); | |
| 119 } | |
| 120 free(device); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 static SDL_VideoDevice *DIB_CreateDevice(int devindex) | |
| 125 { | |
| 126 SDL_VideoDevice *device; | |
| 127 | |
| 128 /* Initialize all variables that we clean on shutdown */ | |
| 129 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 130 if ( device ) { | |
| 131 memset(device, 0, (sizeof *device)); | |
| 132 device->hidden = (struct SDL_PrivateVideoData *) | |
| 133 malloc((sizeof *device->hidden)); | |
| 134 device->gl_data = (struct SDL_PrivateGLData *) | |
| 135 malloc((sizeof *device->gl_data)); | |
| 136 } | |
| 137 if ( (device == NULL) || (device->hidden == NULL) || | |
| 138 (device->gl_data == NULL) ) { | |
| 139 SDL_OutOfMemory(); | |
| 140 DIB_DeleteDevice(device); | |
| 141 return(NULL); | |
| 142 } | |
| 143 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 144 memset(device->gl_data, 0, (sizeof *device->gl_data)); | |
| 145 | |
| 146 /* Set the function pointers */ | |
| 147 device->VideoInit = DIB_VideoInit; | |
| 148 device->ListModes = DIB_ListModes; | |
| 149 device->SetVideoMode = DIB_SetVideoMode; | |
| 150 device->UpdateMouse = WIN_UpdateMouse; | |
| 151 device->SetColors = DIB_SetColors; | |
| 152 device->UpdateRects = NULL; | |
| 153 device->VideoQuit = DIB_VideoQuit; | |
| 154 device->AllocHWSurface = DIB_AllocHWSurface; | |
| 155 device->CheckHWBlit = NULL; | |
| 156 device->FillHWRect = NULL; | |
| 157 device->SetHWColorKey = NULL; | |
| 158 device->SetHWAlpha = NULL; | |
| 159 device->LockHWSurface = DIB_LockHWSurface; | |
| 160 device->UnlockHWSurface = DIB_UnlockHWSurface; | |
| 161 device->FlipHWSurface = NULL; | |
| 162 device->FreeHWSurface = DIB_FreeHWSurface; | |
| 163 device->SetGammaRamp = DIB_SetGammaRamp; | |
| 164 device->GetGammaRamp = DIB_GetGammaRamp; | |
| 165 #ifdef HAVE_OPENGL | |
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166 device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
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167 device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
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168 device->GL_GetAttribute = WIN_GL_GetAttribute; |
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169 device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
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170 device->GL_SwapBuffers = WIN_GL_SwapBuffers; |
| 0 | 171 #endif |
| 172 device->SetCaption = WIN_SetWMCaption; | |
| 173 device->SetIcon = WIN_SetWMIcon; | |
| 174 device->IconifyWindow = WIN_IconifyWindow; | |
| 175 device->GrabInput = WIN_GrabInput; | |
| 176 device->GetWMInfo = WIN_GetWMInfo; | |
| 177 device->FreeWMCursor = WIN_FreeWMCursor; | |
| 178 device->CreateWMCursor = WIN_CreateWMCursor; | |
| 179 device->ShowWMCursor = WIN_ShowWMCursor; | |
| 180 device->WarpWMCursor = WIN_WarpWMCursor; | |
| 181 device->CheckMouseMode = WIN_CheckMouseMode; | |
| 182 device->InitOSKeymap = DIB_InitOSKeymap; | |
| 183 device->PumpEvents = DIB_PumpEvents; | |
| 184 | |
| 185 /* Set up the windows message handling functions */ | |
| 186 WIN_RealizePalette = DIB_RealizePalette; | |
| 187 WIN_PaletteChanged = DIB_PaletteChanged; | |
| 188 WIN_WinPAINT = DIB_WinPAINT; | |
| 189 HandleMessage = DIB_HandleMessage; | |
| 190 | |
| 191 device->free = DIB_DeleteDevice; | |
| 192 | |
| 193 /* We're finally ready */ | |
| 194 return device; | |
| 195 } | |
| 196 | |
| 197 VideoBootStrap WINDIB_bootstrap = { | |
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198 "windib", "Win95/98/NT/2000/CE GDI", |
| 0 | 199 DIB_Available, DIB_CreateDevice |
| 200 }; | |
| 201 | |
| 202 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 203 | |
| 204 static int cmpmodes(const void *va, const void *vb) | |
| 205 { | |
| 206 SDL_Rect *a = *(SDL_Rect **)va; | |
| 207 SDL_Rect *b = *(SDL_Rect **)vb; | |
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208 if ( a->w == b->w ) |
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209 return b->h - a->h; |
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210 else |
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211 return b->w - a->w; |
| 0 | 212 } |
| 213 | |
| 214 static int DIB_AddMode(_THIS, int bpp, int w, int h) | |
| 215 { | |
| 216 SDL_Rect *mode; | |
| 217 int i, index; | |
| 218 int next_mode; | |
| 219 | |
| 220 /* Check to see if we already have this mode */ | |
| 221 if ( bpp < 8 ) { /* Not supported */ | |
| 222 return(0); | |
| 223 } | |
| 224 index = ((bpp+7)/8)-1; | |
| 225 for ( i=0; i<SDL_nummodes[index]; ++i ) { | |
| 226 mode = SDL_modelist[index][i]; | |
| 227 if ( (mode->w == w) && (mode->h == h) ) { | |
| 228 return(0); | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 /* Set up the new video mode rectangle */ | |
| 233 mode = (SDL_Rect *)malloc(sizeof *mode); | |
| 234 if ( mode == NULL ) { | |
| 235 SDL_OutOfMemory(); | |
| 236 return(-1); | |
| 237 } | |
| 238 mode->x = 0; | |
| 239 mode->y = 0; | |
| 240 mode->w = w; | |
| 241 mode->h = h; | |
| 242 | |
| 243 /* Allocate the new list of modes, and fill in the new mode */ | |
| 244 next_mode = SDL_nummodes[index]; | |
| 245 SDL_modelist[index] = (SDL_Rect **) | |
| 246 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | |
| 247 if ( SDL_modelist[index] == NULL ) { | |
| 248 SDL_OutOfMemory(); | |
| 249 SDL_nummodes[index] = 0; | |
| 250 free(mode); | |
| 251 return(-1); | |
| 252 } | |
| 253 SDL_modelist[index][next_mode] = mode; | |
| 254 SDL_modelist[index][next_mode+1] = NULL; | |
| 255 SDL_nummodes[index]++; | |
| 256 | |
| 257 return(0); | |
| 258 } | |
| 259 | |
| 260 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 261 | |
| 262 static HPALETTE DIB_CreatePalette(int bpp) | |
| 263 { | |
| 264 /* RJR: March 28, 2000 | |
| 265 moved palette creation here from "DIB_VideoInit" */ | |
| 266 | |
| 267 HPALETTE handle = NULL; | |
| 268 | |
| 269 if ( bpp <= 8 ) | |
| 270 { | |
| 271 LOGPALETTE *palette; | |
| 272 HDC hdc; | |
| 273 int ncolors; | |
| 274 int i; | |
| 275 | |
| 276 ncolors = 1; | |
| 277 for ( i=0; i<bpp; ++i ) { | |
| 278 ncolors *= 2; | |
| 279 } | |
| 280 palette = (LOGPALETTE *)malloc(sizeof(*palette)+ | |
| 281 ncolors*sizeof(PALETTEENTRY)); | |
| 282 palette->palVersion = 0x300; | |
| 283 palette->palNumEntries = ncolors; | |
| 284 hdc = GetDC(SDL_Window); | |
| 285 GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); | |
| 286 ReleaseDC(SDL_Window, hdc); | |
| 287 handle = CreatePalette(palette); | |
| 288 free(palette); | |
| 289 } | |
| 290 | |
| 291 return handle; | |
| 292 } | |
| 293 | |
| 294 int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 295 { | |
| 296 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 297 int i; | |
| 298 DEVMODE settings; | |
| 299 #endif | |
| 300 | |
| 301 /* Create the window */ | |
| 302 if ( DIB_CreateWindow(this) < 0 ) { | |
| 303 return(-1); | |
| 304 } | |
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305 #ifndef DISABLE_AUDIO |
| 0 | 306 DX5_SoundFocus(SDL_Window); |
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307 #endif |
| 0 | 308 |
| 309 /* Determine the screen depth */ | |
| 310 vformat->BitsPerPixel = DIB_SussScreenDepth(); | |
| 311 switch (vformat->BitsPerPixel) { | |
| 312 case 15: | |
| 313 vformat->Rmask = 0x00007c00; | |
| 314 vformat->Gmask = 0x000003e0; | |
| 315 vformat->Bmask = 0x0000001f; | |
| 316 vformat->BitsPerPixel = 16; | |
| 317 break; | |
| 318 case 16: | |
| 319 vformat->Rmask = 0x0000f800; | |
| 320 vformat->Gmask = 0x000007e0; | |
| 321 vformat->Bmask = 0x0000001f; | |
| 322 break; | |
| 323 case 24: | |
| 324 case 32: | |
| 325 /* GDI defined as 8-8-8 */ | |
| 326 vformat->Rmask = 0x00ff0000; | |
| 327 vformat->Gmask = 0x0000ff00; | |
| 328 vformat->Bmask = 0x000000ff; | |
| 329 break; | |
| 330 default: | |
| 331 break; | |
| 332 } | |
| 333 | |
| 334 /* See if gamma is supported on this screen */ | |
| 335 DIB_CheckGamma(this); | |
| 336 | |
| 337 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 338 /* Query for the list of available video modes */ | |
| 339 for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { | |
| 340 DIB_AddMode(this, settings.dmBitsPerPel, | |
| 341 settings.dmPelsWidth, settings.dmPelsHeight); | |
| 342 } | |
| 343 /* Sort the mode lists */ | |
| 344 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 345 if ( SDL_nummodes[i] > 0 ) { | |
| 346 qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); | |
| 347 } | |
| 348 } | |
| 349 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 350 | |
| 351 /* Grab an identity palette if we are in a palettized mode */ | |
| 352 if ( vformat->BitsPerPixel <= 8 ) { | |
| 353 /* RJR: March 28, 2000 | |
| 354 moved palette creation to "DIB_CreatePalette" */ | |
| 355 screen_pal = DIB_CreatePalette(vformat->BitsPerPixel); | |
| 356 } | |
| 357 | |
| 358 /* Fill in some window manager capabilities */ | |
| 359 this->info.wm_available = 1; | |
| 360 | |
| 361 /* We're done! */ | |
| 362 return(0); | |
| 363 } | |
| 364 | |
| 365 /* We support any format at any dimension */ | |
| 366 SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 367 { | |
| 368 #ifdef NO_CHANGEDISPLAYSETTINGS | |
| 369 return((SDL_Rect **)-1); | |
| 370 #else | |
| 371 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 372 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 373 } else { | |
| 374 return((SDL_Rect **)-1); | |
| 375 } | |
| 376 #endif | |
| 377 } | |
| 378 | |
| 379 | |
| 380 /* | |
| 381 Helper fn to work out which screen depth windows is currently using. | |
| 382 15 bit mode is considered 555 format, 16 bit is 565. | |
| 383 returns 0 for unknown mode. | |
| 384 (Derived from code in sept 1999 Windows Developer Journal | |
| 385 http://www.wdj.com/code/archive.html) | |
| 386 */ | |
| 387 static int DIB_SussScreenDepth() | |
| 388 { | |
| 389 #ifdef NO_GETDIBITS | |
| 390 int depth; | |
| 391 HDC hdc; | |
| 392 | |
| 393 hdc = GetDC(SDL_Window); | |
| 394 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); | |
| 395 ReleaseDC(SDL_Window, hdc); | |
| 396 return(depth); | |
| 397 #else | |
| 398 int dib_size; | |
| 399 LPBITMAPINFOHEADER dib_hdr; | |
| 400 HDC hdc; | |
| 401 HBITMAP hbm; | |
| 402 | |
| 403 /* Allocate enough space for a DIB header plus palette (for | |
| 404 * 8-bit modes) or bitfields (for 16- and 32-bit modes) | |
| 405 */ | |
| 406 dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); | |
| 407 dib_hdr = (LPBITMAPINFOHEADER) malloc(dib_size); | |
| 408 memset(dib_hdr, 0, dib_size); | |
| 409 dib_hdr->biSize = sizeof(BITMAPINFOHEADER); | |
| 410 | |
| 411 /* Get a device-dependent bitmap that's compatible with the | |
| 412 screen. | |
| 413 */ | |
| 414 hdc = GetDC(NULL); | |
| 415 hbm = CreateCompatibleBitmap( hdc, 1, 1 ); | |
| 416 | |
| 417 /* Convert the DDB to a DIB. We need to call GetDIBits twice: | |
| 418 * the first call just fills in the BITMAPINFOHEADER; the | |
| 419 * second fills in the bitfields or palette. | |
| 420 */ | |
| 421 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 422 GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); | |
| 423 DeleteObject(hbm); | |
| 424 ReleaseDC(NULL, hdc); | |
| 425 | |
| 426 switch( dib_hdr->biBitCount ) | |
| 427 { | |
| 428 case 8: return 8; | |
| 429 case 24: return 24; | |
| 430 case 32: return 32; | |
| 431 case 16: | |
| 432 if( dib_hdr->biCompression == BI_BITFIELDS ) { | |
| 433 /* check the red mask */ | |
| 434 switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { | |
| 435 case 0xf800: return 16; /* 565 */ | |
| 436 case 0x7c00: return 15; /* 555 */ | |
| 437 } | |
| 438 } | |
| 439 } | |
| 440 return 0; /* poo. */ | |
| 441 #endif /* NO_GETDIBITS */ | |
| 442 } | |
| 443 | |
| 444 | |
| 445 /* Various screen update functions available */ | |
| 446 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 447 | |
| 448 SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 449 int width, int height, int bpp, Uint32 flags) | |
| 450 { | |
| 451 SDL_Surface *video; | |
| 452 Uint32 prev_flags; | |
| 453 DWORD style; | |
| 454 const DWORD directstyle = | |
| 455 (WS_POPUP); | |
| 456 const DWORD windowstyle = | |
| 457 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); | |
| 458 const DWORD resizestyle = | |
| 459 (WS_THICKFRAME|WS_MAXIMIZEBOX); | |
| 460 int binfo_size; | |
| 461 BITMAPINFO *binfo; | |
| 462 HDC hdc; | |
| 463 RECT bounds; | |
| 464 int x, y; | |
| 465 Uint32 Rmask, Gmask, Bmask; | |
| 466 | |
| 467 /* Clean up any GL context that may be hanging around */ | |
| 468 if ( current->flags & SDL_OPENGL ) { | |
| 469 WIN_GL_ShutDown(this); | |
| 470 } | |
|
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471 SDL_resizing = 1; |
| 0 | 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 | |
|
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520 /* Small fix for WinCE/Win32 - when activating window |
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521 SDL_VideoSurface is equal to zero, so activating code |
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522 is not called properly for fullscreen windows because |
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523 macros WINDIB_FULLSCREEN uses SDL_VideoSurface |
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524 */ |
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525 SDL_VideoSurface = video; |
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526 |
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527 #if defined(_WIN32_WCE) |
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528 if ( flags & SDL_FULLSCREEN ) |
|
514
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529 video->flags |= SDL_FULLSCREEN; |
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530 #endif |
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531 |
| 0 | 532 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 533 /* Set fullscreen mode if appropriate */ | |
| 534 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 535 DEVMODE settings; | |
| 536 | |
| 537 memset(&settings, 0, sizeof(DEVMODE)); | |
| 538 settings.dmSize = sizeof(DEVMODE); | |
| 539 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 540 settings.dmPelsWidth = width; | |
| 541 settings.dmPelsHeight = height; | |
| 542 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
| 543 if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) { | |
| 544 video->flags |= SDL_FULLSCREEN; | |
|
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545 SDL_fullscreen_mode = settings; |
| 0 | 546 } |
| 547 } | |
| 548 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 549 | |
|
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550 /* Reset the palette and create a new one if necessary */ |
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551 if ( screen_pal != NULL ) { |
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552 /* RJR: March 28, 2000 |
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553 delete identity palette if switching from a palettized mode */ |
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554 DeleteObject(screen_pal); |
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555 screen_pal = NULL; |
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556 } |
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557 if ( bpp <= 8 ) |
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558 { |
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559 /* RJR: March 28, 2000 |
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560 create identity palette switching to a palettized mode */ |
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561 screen_pal = DIB_CreatePalette(bpp); |
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562 } |
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563 |
| 0 | 564 style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 565 style &= ~(resizestyle|WS_MAXIMIZE); | |
| 566 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 567 style &= ~windowstyle; | |
| 568 style |= directstyle; | |
| 569 } else { | |
| 570 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 571 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 572 ChangeDisplaySettings(NULL, 0); | |
| 573 } | |
| 574 #endif | |
| 575 if ( flags & SDL_NOFRAME ) { | |
| 576 style &= ~windowstyle; | |
| 577 style |= directstyle; | |
| 578 video->flags |= SDL_NOFRAME; | |
| 579 } else { | |
| 580 style &= ~directstyle; | |
| 581 style |= windowstyle; | |
| 582 if ( flags & SDL_RESIZABLE ) { | |
| 583 style |= resizestyle; | |
| 584 video->flags |= SDL_RESIZABLE; | |
| 585 } | |
| 586 } | |
|
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587 #if WS_MAXIMIZE |
| 0 | 588 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
|
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589 #endif |
| 0 | 590 } |
|
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591 |
|
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592 /* DJM: Don't piss of anyone who has setup his own window */ |
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593 if ( !SDL_windowid ) |
|
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594 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 595 |
| 596 /* Delete the old bitmap if necessary */ | |
| 597 if ( screen_bmp != NULL ) { | |
| 598 DeleteObject(screen_bmp); | |
| 599 } | |
| 600 if ( ! (flags & SDL_OPENGL) ) { | |
| 601 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 602 | |
| 603 /* Suss out the bitmap info header */ | |
| 604 binfo_size = sizeof(*binfo); | |
| 605 if( is16bitmode ) { | |
| 606 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 607 binfo_size += 3*sizeof(DWORD); | |
| 608 } else if ( video->format->palette ) { | |
| 609 binfo_size += video->format->palette->ncolors * | |
| 610 sizeof(RGBQUAD); | |
| 611 } | |
| 612 binfo = (BITMAPINFO *)malloc(binfo_size); | |
| 613 if ( ! binfo ) { | |
| 614 if ( video != current ) { | |
| 615 SDL_FreeSurface(video); | |
| 616 } | |
| 617 SDL_OutOfMemory(); | |
| 618 return(NULL); | |
| 619 } | |
| 620 | |
| 621 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 622 binfo->bmiHeader.biWidth = video->w; | |
| 623 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 624 binfo->bmiHeader.biPlanes = 1; | |
| 625 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 626 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 627 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 628 binfo->bmiHeader.biClrUsed = 0; | |
| 629 binfo->bmiHeader.biClrImportant = 0; | |
| 630 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 631 | |
| 632 if ( is16bitmode ) { | |
| 633 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 634 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 635 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 636 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 637 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 638 } else { | |
| 639 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 640 if ( video->format->palette ) { | |
| 641 memset(binfo->bmiColors, 0, | |
| 642 video->format->palette->ncolors*sizeof(RGBQUAD)); | |
| 643 } | |
| 644 } | |
| 645 | |
| 646 /* Create the offscreen bitmap buffer */ | |
| 647 hdc = GetDC(SDL_Window); | |
| 648 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 649 (void **)(&video->pixels), NULL, 0); | |
| 650 ReleaseDC(SDL_Window, hdc); | |
| 651 free(binfo); | |
| 652 if ( screen_bmp == NULL ) { | |
| 653 if ( video != current ) { | |
| 654 SDL_FreeSurface(video); | |
| 655 } | |
| 656 SDL_SetError("Couldn't create DIB section"); | |
| 657 return(NULL); | |
| 658 } | |
| 659 this->UpdateRects = DIB_NormalUpdate; | |
| 660 | |
| 661 /* Set video surface flags */ | |
| 662 if ( bpp <= 8 ) { | |
| 663 /* BitBlt() maps colors for us */ | |
| 664 video->flags |= SDL_HWPALETTE; | |
| 665 } | |
| 666 } | |
| 667 | |
| 668 /* Resize the window */ | |
|
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669 if ( !SDL_windowid && !IsZoomed(SDL_Window) ) { |
|
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670 HWND top; |
| 0 | 671 UINT swp_flags; |
|
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672 const char *window = NULL; |
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673 const char *center = NULL; |
|
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674 |
|
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675 if ( !SDL_windowX && !SDL_windowY ) { |
|
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676 window = getenv("SDL_VIDEO_WINDOW_POS"); |
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|
677 center = getenv("SDL_VIDEO_CENTERED"); |
|
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678 if ( window ) { |
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679 if ( sscanf(window, "%d,%d", &x, &y) == 2 ) { |
|
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680 SDL_windowX = x; |
|
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681 SDL_windowY = y; |
|
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682 } |
|
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683 if ( strcmp(window, "center") == 0 ) { |
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684 center = window; |
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685 } |
|
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686 } |
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687 } |
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688 swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); |
| 0 | 689 |
|
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690 bounds.left = SDL_windowX; |
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691 bounds.top = SDL_windowY; |
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692 bounds.right = SDL_windowX+video->w; |
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693 bounds.bottom = SDL_windowY+video->h; |
|
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694 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE, 0); |
| 0 | 695 width = bounds.right-bounds.left; |
| 696 height = bounds.bottom-bounds.top; | |
|
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697 if ( (flags & SDL_FULLSCREEN) ) { |
|
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698 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
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699 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
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Date: Mon, 25 Oct 2004 17:30:06 +0200
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700 } else if ( center ) { |
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Date: Mon, 25 Oct 2004 17:30:06 +0200
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701 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
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Date: Mon, 25 Oct 2004 17:30:06 +0200
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702 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
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Added support for SDL_VIDEO_WINDOW_POS and SDL_VIDEO_CENTERED on Windows
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703 } else if ( SDL_windowX || SDL_windowY || window ) { |
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704 x = bounds.left; |
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705 y = bounds.top; |
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706 } else { |
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707 x = y = -1; |
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708 swp_flags |= SWP_NOMOVE; |
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709 } |
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448
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Fullscreen windows are always topmost under Windows
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710 if ( flags & SDL_FULLSCREEN ) { |
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711 top = HWND_TOPMOST; |
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712 } else { |
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713 top = HWND_NOTOPMOST; |
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714 } |
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715 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
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716 if ( !(flags & SDL_FULLSCREEN) ) { |
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717 SDL_windowX = SDL_bounds.left; |
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718 SDL_windowY = SDL_bounds.top; |
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719 } |
| 0 | 720 SetForegroundWindow(SDL_Window); |
| 721 } | |
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722 SDL_resizing = 0; |
| 0 | 723 |
| 724 /* Set up for OpenGL */ | |
| 725 if ( flags & SDL_OPENGL ) { | |
| 726 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 727 return(NULL); | |
| 728 } | |
| 729 video->flags |= SDL_OPENGL; | |
| 730 } | |
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731 |
| 0 | 732 /* We're live! */ |
| 733 return(video); | |
| 734 } | |
| 735 | |
| 736 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 737 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 738 { | |
| 739 return(-1); | |
| 740 } | |
| 741 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 742 { | |
| 743 return; | |
| 744 } | |
| 745 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 746 { | |
| 747 return(0); | |
| 748 } | |
| 749 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 750 { | |
| 751 return; | |
| 752 } | |
| 753 | |
| 754 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 755 { | |
| 756 HDC hdc, mdc; | |
| 757 int i; | |
| 758 | |
| 759 hdc = GetDC(SDL_Window); | |
| 760 if ( screen_pal ) { | |
| 761 SelectPalette(hdc, screen_pal, FALSE); | |
| 762 } | |
| 763 mdc = CreateCompatibleDC(hdc); | |
| 764 SelectObject(mdc, screen_bmp); | |
| 765 for ( i=0; i<numrects; ++i ) { | |
| 766 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 767 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 768 } | |
| 769 DeleteDC(mdc); | |
| 770 ReleaseDC(SDL_Window, hdc); | |
| 771 } | |
| 772 | |
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773 |
| 0 | 774 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 775 { | |
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776 #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
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777 HDC hdc, mdc; |
| 0 | 778 RGBQUAD *pal; |
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779 #else |
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780 HDC hdc; |
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781 #endif |
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782 int i; |
| 0 | 783 |
| 784 /* Update the display palette */ | |
| 785 hdc = GetDC(SDL_Window); | |
| 786 if ( screen_pal ) { | |
| 787 PALETTEENTRY *entries; | |
| 788 | |
| 789 entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY)); | |
| 790 for ( i=0; i<ncolors; ++i ) { | |
| 791 entries[i].peRed = colors[i].r; | |
| 792 entries[i].peGreen = colors[i].g; | |
| 793 entries[i].peBlue = colors[i].b; | |
| 794 entries[i].peFlags = PC_NOCOLLAPSE; | |
| 795 } | |
| 796 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 797 SelectPalette(hdc, screen_pal, FALSE); | |
| 798 RealizePalette(hdc); | |
| 799 } | |
| 800 | |
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801 #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
| 0 | 802 /* Copy palette colors into DIB palette */ |
| 803 pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD)); | |
| 804 for ( i=0; i<ncolors; ++i ) { | |
| 805 pal[i].rgbRed = colors[i].r; | |
| 806 pal[i].rgbGreen = colors[i].g; | |
| 807 pal[i].rgbBlue = colors[i].b; | |
| 808 pal[i].rgbReserved = 0; | |
| 809 } | |
| 810 | |
| 811 /* Set the DIB palette and update the display */ | |
| 812 mdc = CreateCompatibleDC(hdc); | |
| 813 SelectObject(mdc, screen_bmp); | |
| 814 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 815 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 816 mdc, 0, 0, SRCCOPY); | |
| 817 DeleteDC(mdc); | |
|
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818 #endif |
| 0 | 819 ReleaseDC(SDL_Window, hdc); |
| 820 return(1); | |
| 821 } | |
| 822 | |
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823 |
| 0 | 824 static void DIB_CheckGamma(_THIS) |
| 825 { | |
| 826 #ifndef NO_GAMMA_SUPPORT | |
| 827 HDC hdc; | |
| 828 WORD ramp[3*256]; | |
| 829 | |
| 830 /* If we fail to get gamma, disable gamma control */ | |
| 831 hdc = GetDC(SDL_Window); | |
| 832 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 833 this->GetGammaRamp = NULL; | |
| 834 this->SetGammaRamp = NULL; | |
| 835 } | |
| 836 ReleaseDC(SDL_Window, hdc); | |
| 837 #endif /* !NO_GAMMA_SUPPORT */ | |
| 838 } | |
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839 void DIB_SwapGamma(_THIS) |
| 0 | 840 { |
| 841 #ifndef NO_GAMMA_SUPPORT | |
| 842 HDC hdc; | |
| 843 | |
| 844 if ( gamma_saved ) { | |
| 845 hdc = GetDC(SDL_Window); | |
| 846 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 847 /* About to leave active state, restore gamma */ | |
| 848 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 849 } else { | |
| 850 /* About to enter active state, set game gamma */ | |
| 851 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 852 SetDeviceGammaRamp(hdc, this->gamma); | |
| 853 } | |
| 854 ReleaseDC(SDL_Window, hdc); | |
| 855 } | |
| 856 #endif /* !NO_GAMMA_SUPPORT */ | |
| 857 } | |
|
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858 void DIB_QuitGamma(_THIS) |
| 0 | 859 { |
| 860 #ifndef NO_GAMMA_SUPPORT | |
| 861 if ( gamma_saved ) { | |
| 862 /* Restore the original gamma if necessary */ | |
| 863 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 864 HDC hdc; | |
| 865 | |
| 866 hdc = GetDC(SDL_Window); | |
| 867 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 868 ReleaseDC(SDL_Window, hdc); | |
| 869 } | |
| 870 | |
| 871 /* Free the saved gamma memory */ | |
| 872 free(gamma_saved); | |
| 873 gamma_saved = 0; | |
| 874 } | |
| 875 #endif /* !NO_GAMMA_SUPPORT */ | |
| 876 } | |
| 877 | |
|
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878 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 879 { |
|
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880 #ifdef NO_GAMMA_SUPPORT |
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881 SDL_SetError("SDL compiled without gamma ramp support"); |
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882 return -1; |
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883 #else |
| 0 | 884 HDC hdc; |
| 885 BOOL succeeded; | |
| 886 | |
| 887 /* Set the ramp for the display */ | |
| 888 if ( ! gamma_saved ) { | |
| 889 gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved)); | |
| 890 if ( ! gamma_saved ) { | |
| 891 SDL_OutOfMemory(); | |
| 892 return -1; | |
| 893 } | |
| 894 hdc = GetDC(SDL_Window); | |
| 895 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 896 ReleaseDC(SDL_Window, hdc); | |
| 897 } | |
| 898 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 899 hdc = GetDC(SDL_Window); | |
| 900 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 901 ReleaseDC(SDL_Window, hdc); | |
| 902 } else { | |
| 903 succeeded = TRUE; | |
| 904 } | |
| 905 return succeeded ? 0 : -1; | |
|
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906 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 907 } |
| 908 | |
|
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909 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 910 { |
|
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911 #ifdef NO_GAMMA_SUPPORT |
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912 SDL_SetError("SDL compiled without gamma ramp support"); |
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913 return -1; |
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|
914 #else |
| 0 | 915 HDC hdc; |
| 916 BOOL succeeded; | |
| 917 | |
| 918 /* Get the ramp from the display */ | |
| 919 hdc = GetDC(SDL_Window); | |
| 920 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 921 ReleaseDC(SDL_Window, hdc); | |
| 922 return succeeded ? 0 : -1; | |
|
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923 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 924 } |
| 925 | |
|
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926 static void FlushMessageQueue() |
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927 { |
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928 MSG msg; |
|
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|
929 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
|
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930 if ( msg.message == WM_QUIT ) break; |
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931 TranslateMessage( &msg ); |
|
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|
932 DispatchMessage( &msg ); |
|
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933 } |
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|
934 } |
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|
935 |
| 0 | 936 void DIB_VideoQuit(_THIS) |
| 937 { | |
| 938 /* Destroy the window and everything associated with it */ | |
| 939 if ( SDL_Window ) { | |
| 940 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 941 if ( this->screen ) { | |
| 942 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 943 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 944 ChangeDisplaySettings(NULL, 0); | |
|
376
a5f60a847a89
*** empty log message ***
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|
945 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 946 } |
| 947 #endif | |
| 948 if ( this->screen->flags & SDL_OPENGL ) { | |
| 949 WIN_GL_ShutDown(this); | |
| 950 } | |
| 951 this->screen->pixels = NULL; | |
| 952 } | |
| 953 if ( screen_bmp ) { | |
| 954 DeleteObject(screen_bmp); | |
| 955 screen_bmp = NULL; | |
| 956 } | |
| 957 if ( screen_icn ) { | |
| 958 DestroyIcon(screen_icn); | |
| 959 screen_icn = NULL; | |
| 960 } | |
| 961 DIB_QuitGamma(this); | |
| 962 DIB_DestroyWindow(this); | |
|
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963 FlushMessageQueue(); |
| 0 | 964 |
| 965 SDL_Window = NULL; | |
|
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966 |
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967 #if defined(_WIN32_WCE) |
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968 |
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969 // Unload wince aygshell library to prevent leak |
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970 if( aygshell ) |
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|
971 { |
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Ryan C. Gordon <icculus@icculus.org>
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|
972 FreeLibrary(aygshell); |
|
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|
973 aygshell = NULL; |
|
51a8702d8ecd
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|
974 } |
|
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Ryan C. Gordon <icculus@icculus.org>
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975 #endif |
|
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|
976 |
| 0 | 977 } |
| 978 } | |
| 979 | |
| 980 /* Exported for the windows message loop only */ | |
| 981 static void DIB_FocusPalette(_THIS, int foreground) | |
| 982 { | |
| 983 if ( screen_pal != NULL ) { | |
| 984 HDC hdc; | |
| 985 | |
| 986 hdc = GetDC(SDL_Window); | |
| 987 SelectPalette(hdc, screen_pal, FALSE); | |
| 988 if ( RealizePalette(hdc) ) | |
| 989 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 990 ReleaseDC(SDL_Window, hdc); | |
| 991 } | |
| 992 } | |
| 993 static void DIB_RealizePalette(_THIS) | |
| 994 { | |
| 995 DIB_FocusPalette(this, 1); | |
| 996 } | |
| 997 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 998 { | |
| 999 if ( window != SDL_Window ) { | |
| 1000 DIB_FocusPalette(this, 0); | |
| 1001 } | |
| 1002 } | |
| 1003 | |
| 1004 /* Exported for the windows message loop only */ | |
| 1005 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 1006 { | |
| 1007 HDC mdc; | |
| 1008 | |
| 1009 if ( screen_pal ) { | |
| 1010 SelectPalette(hdc, screen_pal, FALSE); | |
| 1011 } | |
| 1012 mdc = CreateCompatibleDC(hdc); | |
| 1013 SelectObject(mdc, screen_bmp); | |
| 1014 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 1015 mdc, 0, 0, SRCCOPY); | |
| 1016 DeleteDC(mdc); | |
| 1017 } | |
| 1018 | |
| 1019 /* Stub in case DirectX isn't available */ | |
| 1020 #ifndef ENABLE_DIRECTX | |
| 1021 void DX5_SoundFocus(HWND hwnd) | |
| 1022 { | |
| 1023 return; | |
| 1024 } | |
| 1025 #endif |