Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibvideo.c @ 1257:448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Following commit 1.51, I come accross a problem when SDL must choose between
several video modes that could suit the one asked.
If I ask 320x240 with this list:
768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200
The smallest selectables modes are 384x240 and 320x400. And SDL choose the later
in this list, but 384x240 is more suitable. So I added a check to compare
the pixel count (surface) of modes, and select the one which has the smallest
pixel count.
In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now
SDL will choose 384x240 for the asked 320x240 mode.
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Thu, 19 Jan 2006 21:28:52 +0000 |
| parents | 86d0d01290ea |
| children | f61f045343d3 |
| 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 } | |
| 471 | |
| 472 /* Recalculate the bitmasks if necessary */ | |
| 473 if ( bpp == current->format->BitsPerPixel ) { | |
| 474 video = current; | |
| 475 } else { | |
| 476 switch (bpp) { | |
| 477 case 15: | |
| 478 case 16: | |
| 479 if ( DIB_SussScreenDepth() == 15 ) { | |
| 480 /* 5-5-5 */ | |
| 481 Rmask = 0x00007c00; | |
| 482 Gmask = 0x000003e0; | |
| 483 Bmask = 0x0000001f; | |
| 484 } else { | |
| 485 /* 5-6-5 */ | |
| 486 Rmask = 0x0000f800; | |
| 487 Gmask = 0x000007e0; | |
| 488 Bmask = 0x0000001f; | |
| 489 } | |
| 490 break; | |
| 491 case 24: | |
| 492 case 32: | |
| 493 /* GDI defined as 8-8-8 */ | |
| 494 Rmask = 0x00ff0000; | |
| 495 Gmask = 0x0000ff00; | |
| 496 Bmask = 0x000000ff; | |
| 497 break; | |
| 498 default: | |
| 499 Rmask = 0x00000000; | |
| 500 Gmask = 0x00000000; | |
| 501 Bmask = 0x00000000; | |
| 502 break; | |
| 503 } | |
| 504 video = SDL_CreateRGBSurface(SDL_SWSURFACE, | |
| 505 0, 0, bpp, Rmask, Gmask, Bmask, 0); | |
| 506 if ( video == NULL ) { | |
| 507 SDL_OutOfMemory(); | |
| 508 return(NULL); | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 /* Fill in part of the video surface */ | |
| 513 prev_flags = video->flags; | |
| 514 video->flags = 0; /* Clear flags */ | |
| 515 video->w = width; | |
| 516 video->h = height; | |
| 517 video->pitch = SDL_CalculatePitch(video); | |
| 518 | |
|
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519 /* Small fix for WinCE/Win32 - when activating window |
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520 SDL_VideoSurface is equal to zero, so activating code |
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521 is not called properly for fullscreen windows because |
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522 macros WINDIB_FULLSCREEN uses SDL_VideoSurface |
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523 */ |
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524 SDL_VideoSurface = video; |
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525 |
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526 #if defined(_WIN32_WCE) |
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527 if ( flags & SDL_FULLSCREEN ) |
|
514
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528 video->flags |= SDL_FULLSCREEN; |
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529 #endif |
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530 |
| 0 | 531 #ifndef NO_CHANGEDISPLAYSETTINGS |
| 532 /* Set fullscreen mode if appropriate */ | |
| 533 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 534 DEVMODE settings; | |
| 535 | |
| 536 memset(&settings, 0, sizeof(DEVMODE)); | |
| 537 settings.dmSize = sizeof(DEVMODE); | |
| 538 settings.dmBitsPerPel = video->format->BitsPerPixel; | |
| 539 settings.dmPelsWidth = width; | |
| 540 settings.dmPelsHeight = height; | |
| 541 settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; | |
| 542 if ( ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) { | |
| 543 video->flags |= SDL_FULLSCREEN; | |
|
304
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544 SDL_fullscreen_mode = settings; |
| 0 | 545 } |
| 546 } | |
| 547 #endif /* !NO_CHANGEDISPLAYSETTINGS */ | |
| 548 | |
|
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549 /* Reset the palette and create a new one if necessary */ |
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550 if ( screen_pal != NULL ) { |
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551 /* RJR: March 28, 2000 |
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552 delete identity palette if switching from a palettized mode */ |
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553 DeleteObject(screen_pal); |
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554 screen_pal = NULL; |
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555 } |
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556 if ( bpp <= 8 ) |
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557 { |
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558 /* RJR: March 28, 2000 |
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559 create identity palette switching to a palettized mode */ |
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560 screen_pal = DIB_CreatePalette(bpp); |
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561 } |
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562 |
| 0 | 563 style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 564 style &= ~(resizestyle|WS_MAXIMIZE); | |
| 565 if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 566 style &= ~windowstyle; | |
| 567 style |= directstyle; | |
| 568 } else { | |
| 569 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 570 if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { | |
| 571 ChangeDisplaySettings(NULL, 0); | |
| 572 } | |
| 573 #endif | |
| 574 if ( flags & SDL_NOFRAME ) { | |
| 575 style &= ~windowstyle; | |
| 576 style |= directstyle; | |
| 577 video->flags |= SDL_NOFRAME; | |
| 578 } else { | |
| 579 style &= ~directstyle; | |
| 580 style |= windowstyle; | |
| 581 if ( flags & SDL_RESIZABLE ) { | |
| 582 style |= resizestyle; | |
| 583 video->flags |= SDL_RESIZABLE; | |
| 584 } | |
| 585 } | |
|
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586 #if WS_MAXIMIZE |
| 0 | 587 if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
|
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588 #endif |
| 0 | 589 } |
|
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590 |
|
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591 /* DJM: Don't piss of anyone who has setup his own window */ |
|
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592 if ( SDL_windowid == NULL ) |
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593 SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 0 | 594 |
| 595 /* Delete the old bitmap if necessary */ | |
| 596 if ( screen_bmp != NULL ) { | |
| 597 DeleteObject(screen_bmp); | |
| 598 } | |
| 599 if ( ! (flags & SDL_OPENGL) ) { | |
| 600 BOOL is16bitmode = (video->format->BytesPerPixel == 2); | |
| 601 | |
| 602 /* Suss out the bitmap info header */ | |
| 603 binfo_size = sizeof(*binfo); | |
| 604 if( is16bitmode ) { | |
| 605 /* 16bit modes, palette area used for rgb bitmasks */ | |
| 606 binfo_size += 3*sizeof(DWORD); | |
| 607 } else if ( video->format->palette ) { | |
| 608 binfo_size += video->format->palette->ncolors * | |
| 609 sizeof(RGBQUAD); | |
| 610 } | |
| 611 binfo = (BITMAPINFO *)malloc(binfo_size); | |
| 612 if ( ! binfo ) { | |
| 613 if ( video != current ) { | |
| 614 SDL_FreeSurface(video); | |
| 615 } | |
| 616 SDL_OutOfMemory(); | |
| 617 return(NULL); | |
| 618 } | |
| 619 | |
| 620 binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | |
| 621 binfo->bmiHeader.biWidth = video->w; | |
| 622 binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ | |
| 623 binfo->bmiHeader.biPlanes = 1; | |
| 624 binfo->bmiHeader.biSizeImage = video->h * video->pitch; | |
| 625 binfo->bmiHeader.biXPelsPerMeter = 0; | |
| 626 binfo->bmiHeader.biYPelsPerMeter = 0; | |
| 627 binfo->bmiHeader.biClrUsed = 0; | |
| 628 binfo->bmiHeader.biClrImportant = 0; | |
| 629 binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; | |
| 630 | |
| 631 if ( is16bitmode ) { | |
| 632 /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ | |
| 633 binfo->bmiHeader.biCompression = BI_BITFIELDS; | |
| 634 ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; | |
| 635 ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; | |
| 636 ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; | |
| 637 } else { | |
| 638 binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ | |
| 639 if ( video->format->palette ) { | |
| 640 memset(binfo->bmiColors, 0, | |
| 641 video->format->palette->ncolors*sizeof(RGBQUAD)); | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 /* Create the offscreen bitmap buffer */ | |
| 646 hdc = GetDC(SDL_Window); | |
| 647 screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, | |
| 648 (void **)(&video->pixels), NULL, 0); | |
| 649 ReleaseDC(SDL_Window, hdc); | |
| 650 free(binfo); | |
| 651 if ( screen_bmp == NULL ) { | |
| 652 if ( video != current ) { | |
| 653 SDL_FreeSurface(video); | |
| 654 } | |
| 655 SDL_SetError("Couldn't create DIB section"); | |
| 656 return(NULL); | |
| 657 } | |
| 658 this->UpdateRects = DIB_NormalUpdate; | |
| 659 | |
| 660 /* Set video surface flags */ | |
| 661 if ( bpp <= 8 ) { | |
| 662 /* BitBlt() maps colors for us */ | |
| 663 video->flags |= SDL_HWPALETTE; | |
| 664 } | |
| 665 } | |
| 666 | |
| 667 /* Resize the window */ | |
| 668 if ( SDL_windowid == NULL ) { | |
|
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669 HWND top; |
| 0 | 670 UINT swp_flags; |
|
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671 const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
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672 const char *center = getenv("SDL_VIDEO_CENTERED"); |
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673 |
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674 if ( !SDL_windowX && !SDL_windowY ) { |
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675 if ( window ) { |
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676 if ( sscanf(window, "%d,%d", &x, &y) == 2 ) { |
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677 SDL_windowX = x; |
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678 SDL_windowY = y; |
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679 } |
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680 if ( strcmp(window, "center") == 0 ) { |
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681 center = window; |
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682 window = NULL; |
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683 } |
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684 } |
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685 } |
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686 swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); |
| 0 | 687 |
| 688 SDL_resizing = 1; | |
|
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689 bounds.left = SDL_windowX; |
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690 bounds.top = SDL_windowY; |
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691 bounds.right = SDL_windowX+video->w; |
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692 bounds.bottom = SDL_windowY+video->h; |
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693 AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), FALSE, 0); |
| 0 | 694 width = bounds.right-bounds.left; |
| 695 height = bounds.bottom-bounds.top; | |
|
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696 if ( (flags & SDL_FULLSCREEN) ) { |
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697 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
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698 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
971
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Date: Mon, 25 Oct 2004 17:30:06 +0200
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699 } else if ( center ) { |
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Date: Mon, 25 Oct 2004 17:30:06 +0200
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700 x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
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701 y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
|
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702 } else if ( SDL_windowX || SDL_windowY || window ) { |
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703 x = bounds.left; |
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704 y = bounds.top; |
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705 } else { |
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706 x = y = -1; |
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707 swp_flags |= SWP_NOMOVE; |
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708 } |
| 0 | 709 if ( y < 0 ) { /* Cover up title bar for more client area */ |
| 710 y -= GetSystemMetrics(SM_CYCAPTION)/2; | |
| 711 } | |
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712 if ( flags & SDL_FULLSCREEN ) { |
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713 top = HWND_TOPMOST; |
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714 } else { |
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715 top = HWND_NOTOPMOST; |
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716 } |
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717 SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
| 0 | 718 SDL_resizing = 0; |
| 719 SetForegroundWindow(SDL_Window); | |
| 720 } | |
| 721 | |
| 722 /* Set up for OpenGL */ | |
| 723 if ( flags & SDL_OPENGL ) { | |
| 724 if ( WIN_GL_SetupWindow(this) < 0 ) { | |
| 725 return(NULL); | |
| 726 } | |
| 727 video->flags |= SDL_OPENGL; | |
| 728 } | |
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729 |
| 0 | 730 /* We're live! */ |
| 731 return(video); | |
| 732 } | |
| 733 | |
| 734 /* We don't actually allow hardware surfaces in the DIB driver */ | |
| 735 static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 736 { | |
| 737 return(-1); | |
| 738 } | |
| 739 static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 740 { | |
| 741 return; | |
| 742 } | |
| 743 static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 744 { | |
| 745 return(0); | |
| 746 } | |
| 747 static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 748 { | |
| 749 return; | |
| 750 } | |
| 751 | |
| 752 static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 753 { | |
| 754 HDC hdc, mdc; | |
| 755 int i; | |
| 756 | |
| 757 hdc = GetDC(SDL_Window); | |
| 758 if ( screen_pal ) { | |
| 759 SelectPalette(hdc, screen_pal, FALSE); | |
| 760 } | |
| 761 mdc = CreateCompatibleDC(hdc); | |
| 762 SelectObject(mdc, screen_bmp); | |
| 763 for ( i=0; i<numrects; ++i ) { | |
| 764 BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, | |
| 765 mdc, rects[i].x, rects[i].y, SRCCOPY); | |
| 766 } | |
| 767 DeleteDC(mdc); | |
| 768 ReleaseDC(SDL_Window, hdc); | |
| 769 } | |
| 770 | |
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771 |
| 0 | 772 int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 773 { | |
| 774 RGBQUAD *pal; | |
| 775 int i; | |
|
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776 #if (_WIN32_WCE < 400 ) |
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777 HDC hdc; |
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778 #else |
| 0 | 779 HDC hdc, mdc; |
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780 #endif |
| 0 | 781 |
| 782 /* Update the display palette */ | |
| 783 hdc = GetDC(SDL_Window); | |
| 784 if ( screen_pal ) { | |
| 785 PALETTEENTRY *entries; | |
| 786 | |
| 787 entries = (PALETTEENTRY *)alloca(ncolors*sizeof(PALETTEENTRY)); | |
| 788 for ( i=0; i<ncolors; ++i ) { | |
| 789 entries[i].peRed = colors[i].r; | |
| 790 entries[i].peGreen = colors[i].g; | |
| 791 entries[i].peBlue = colors[i].b; | |
| 792 entries[i].peFlags = PC_NOCOLLAPSE; | |
| 793 } | |
| 794 SetPaletteEntries(screen_pal, firstcolor, ncolors, entries); | |
| 795 SelectPalette(hdc, screen_pal, FALSE); | |
| 796 RealizePalette(hdc); | |
| 797 } | |
| 798 | |
| 799 /* Copy palette colors into DIB palette */ | |
| 800 pal = (RGBQUAD *)alloca(ncolors*sizeof(RGBQUAD)); | |
| 801 for ( i=0; i<ncolors; ++i ) { | |
| 802 pal[i].rgbRed = colors[i].r; | |
| 803 pal[i].rgbGreen = colors[i].g; | |
| 804 pal[i].rgbBlue = colors[i].b; | |
| 805 pal[i].rgbReserved = 0; | |
| 806 } | |
| 807 | |
| 808 /* Set the DIB palette and update the display */ | |
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809 #if ( _WIN32_WCE >= 400 ) |
| 0 | 810 mdc = CreateCompatibleDC(hdc); |
| 811 SelectObject(mdc, screen_bmp); | |
| 812 SetDIBColorTable(mdc, firstcolor, ncolors, pal); | |
| 813 BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, | |
| 814 mdc, 0, 0, SRCCOPY); | |
| 815 DeleteDC(mdc); | |
|
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816 #endif |
| 0 | 817 ReleaseDC(SDL_Window, hdc); |
| 818 return(1); | |
| 819 } | |
| 820 | |
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821 |
| 0 | 822 static void DIB_CheckGamma(_THIS) |
| 823 { | |
| 824 #ifndef NO_GAMMA_SUPPORT | |
| 825 HDC hdc; | |
| 826 WORD ramp[3*256]; | |
| 827 | |
| 828 /* If we fail to get gamma, disable gamma control */ | |
| 829 hdc = GetDC(SDL_Window); | |
| 830 if ( ! GetDeviceGammaRamp(hdc, ramp) ) { | |
| 831 this->GetGammaRamp = NULL; | |
| 832 this->SetGammaRamp = NULL; | |
| 833 } | |
| 834 ReleaseDC(SDL_Window, hdc); | |
| 835 #endif /* !NO_GAMMA_SUPPORT */ | |
| 836 } | |
|
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837 void DIB_SwapGamma(_THIS) |
| 0 | 838 { |
| 839 #ifndef NO_GAMMA_SUPPORT | |
| 840 HDC hdc; | |
| 841 | |
| 842 if ( gamma_saved ) { | |
| 843 hdc = GetDC(SDL_Window); | |
| 844 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 845 /* About to leave active state, restore gamma */ | |
| 846 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 847 } else { | |
| 848 /* About to enter active state, set game gamma */ | |
| 849 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 850 SetDeviceGammaRamp(hdc, this->gamma); | |
| 851 } | |
| 852 ReleaseDC(SDL_Window, hdc); | |
| 853 } | |
| 854 #endif /* !NO_GAMMA_SUPPORT */ | |
| 855 } | |
|
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856 void DIB_QuitGamma(_THIS) |
| 0 | 857 { |
| 858 #ifndef NO_GAMMA_SUPPORT | |
| 859 if ( gamma_saved ) { | |
| 860 /* Restore the original gamma if necessary */ | |
| 861 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 862 HDC hdc; | |
| 863 | |
| 864 hdc = GetDC(SDL_Window); | |
| 865 SetDeviceGammaRamp(hdc, gamma_saved); | |
| 866 ReleaseDC(SDL_Window, hdc); | |
| 867 } | |
| 868 | |
| 869 /* Free the saved gamma memory */ | |
| 870 free(gamma_saved); | |
| 871 gamma_saved = 0; | |
| 872 } | |
| 873 #endif /* !NO_GAMMA_SUPPORT */ | |
| 874 } | |
| 875 | |
|
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876 int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 877 { |
|
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878 #ifdef NO_GAMMA_SUPPORT |
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879 SDL_SetError("SDL compiled without gamma ramp support"); |
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880 return -1; |
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881 #else |
| 0 | 882 HDC hdc; |
| 883 BOOL succeeded; | |
| 884 | |
| 885 /* Set the ramp for the display */ | |
| 886 if ( ! gamma_saved ) { | |
| 887 gamma_saved = (WORD *)malloc(3*256*sizeof(*gamma_saved)); | |
| 888 if ( ! gamma_saved ) { | |
| 889 SDL_OutOfMemory(); | |
| 890 return -1; | |
| 891 } | |
| 892 hdc = GetDC(SDL_Window); | |
| 893 GetDeviceGammaRamp(hdc, gamma_saved); | |
| 894 ReleaseDC(SDL_Window, hdc); | |
| 895 } | |
| 896 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 897 hdc = GetDC(SDL_Window); | |
| 898 succeeded = SetDeviceGammaRamp(hdc, ramp); | |
| 899 ReleaseDC(SDL_Window, hdc); | |
| 900 } else { | |
| 901 succeeded = TRUE; | |
| 902 } | |
| 903 return succeeded ? 0 : -1; | |
|
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904 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 905 } |
| 906 | |
|
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907 int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 0 | 908 { |
|
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909 #ifdef NO_GAMMA_SUPPORT |
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910 SDL_SetError("SDL compiled without gamma ramp support"); |
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911 return -1; |
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912 #else |
| 0 | 913 HDC hdc; |
| 914 BOOL succeeded; | |
| 915 | |
| 916 /* Get the ramp from the display */ | |
| 917 hdc = GetDC(SDL_Window); | |
| 918 succeeded = GetDeviceGammaRamp(hdc, ramp); | |
| 919 ReleaseDC(SDL_Window, hdc); | |
| 920 return succeeded ? 0 : -1; | |
|
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921 #endif /* !NO_GAMMA_SUPPORT */ |
| 0 | 922 } |
| 923 | |
|
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924 static void FlushMessageQueue() |
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925 { |
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926 MSG msg; |
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927 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
|
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928 if ( msg.message == WM_QUIT ) break; |
|
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929 TranslateMessage( &msg ); |
|
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930 DispatchMessage( &msg ); |
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931 } |
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932 } |
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933 |
| 0 | 934 void DIB_VideoQuit(_THIS) |
| 935 { | |
| 936 /* Destroy the window and everything associated with it */ | |
| 937 if ( SDL_Window ) { | |
| 938 /* Delete the screen bitmap (also frees screen->pixels) */ | |
| 939 if ( this->screen ) { | |
| 940 #ifndef NO_CHANGEDISPLAYSETTINGS | |
| 941 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 942 ChangeDisplaySettings(NULL, 0); | |
|
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|
943 ShowWindow(SDL_Window, SW_HIDE); |
| 0 | 944 } |
| 945 #endif | |
| 946 if ( this->screen->flags & SDL_OPENGL ) { | |
| 947 WIN_GL_ShutDown(this); | |
| 948 } | |
| 949 this->screen->pixels = NULL; | |
| 950 } | |
| 951 if ( screen_bmp ) { | |
| 952 DeleteObject(screen_bmp); | |
| 953 screen_bmp = NULL; | |
| 954 } | |
| 955 if ( screen_icn ) { | |
| 956 DestroyIcon(screen_icn); | |
| 957 screen_icn = NULL; | |
| 958 } | |
| 959 DIB_QuitGamma(this); | |
| 960 DIB_DestroyWindow(this); | |
|
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961 SDL_UnregisterApp(); |
|
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962 FlushMessageQueue(); |
| 0 | 963 |
| 964 SDL_Window = NULL; | |
|
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965 |
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966 #if defined(_WIN32_WCE) |
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967 |
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968 // Unload wince aygshell library to prevent leak |
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969 if( aygshell ) |
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970 { |
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971 FreeLibrary(aygshell); |
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972 aygshell = NULL; |
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973 } |
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974 #endif |
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975 |
| 0 | 976 } |
| 977 } | |
| 978 | |
| 979 /* Exported for the windows message loop only */ | |
| 980 static void DIB_FocusPalette(_THIS, int foreground) | |
| 981 { | |
| 982 if ( screen_pal != NULL ) { | |
| 983 HDC hdc; | |
| 984 | |
| 985 hdc = GetDC(SDL_Window); | |
| 986 SelectPalette(hdc, screen_pal, FALSE); | |
| 987 if ( RealizePalette(hdc) ) | |
| 988 InvalidateRect(SDL_Window, NULL, FALSE); | |
| 989 ReleaseDC(SDL_Window, hdc); | |
| 990 } | |
| 991 } | |
| 992 static void DIB_RealizePalette(_THIS) | |
| 993 { | |
| 994 DIB_FocusPalette(this, 1); | |
| 995 } | |
| 996 static void DIB_PaletteChanged(_THIS, HWND window) | |
| 997 { | |
| 998 if ( window != SDL_Window ) { | |
| 999 DIB_FocusPalette(this, 0); | |
| 1000 } | |
| 1001 } | |
| 1002 | |
| 1003 /* Exported for the windows message loop only */ | |
| 1004 static void DIB_WinPAINT(_THIS, HDC hdc) | |
| 1005 { | |
| 1006 HDC mdc; | |
| 1007 | |
| 1008 if ( screen_pal ) { | |
| 1009 SelectPalette(hdc, screen_pal, FALSE); | |
| 1010 } | |
| 1011 mdc = CreateCompatibleDC(hdc); | |
| 1012 SelectObject(mdc, screen_bmp); | |
| 1013 BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, | |
| 1014 mdc, 0, 0, SRCCOPY); | |
| 1015 DeleteDC(mdc); | |
| 1016 } | |
| 1017 | |
| 1018 /* Stub in case DirectX isn't available */ | |
| 1019 #ifndef ENABLE_DIRECTX | |
| 1020 void DX5_SoundFocus(HWND hwnd) | |
| 1021 { | |
| 1022 return; | |
| 1023 } | |
| 1024 #endif |