| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 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 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #define WIN32_LEAN_AND_MEAN |
| 25 | #include <windows.h> |
| 26 | |
| 27 | /* Not yet in the mingw32 cross-compile headers */ |
| 28 | #ifndef CDS_FULLSCREEN |
| 29 | #define CDS_FULLSCREEN 4 |
| 30 | #endif |
| 31 | |
| 32 | #include "SDL_syswm.h" |
| 33 | #include "../SDL_sysvideo.h" |
| 34 | #include "../SDL_pixels_c.h" |
| 35 | #include "../../events/SDL_sysevents.h" |
| 36 | #include "../../events/SDL_events_c.h" |
| 37 | #include "SDL_gapidibvideo.h" |
| 38 | #include "SDL_dibvideo.h" |
| 39 | #include "../wincommon/SDL_syswm_c.h" |
| 40 | #include "../wincommon/SDL_sysmouse_c.h" |
| 41 | #include "SDL_dibevents_c.h" |
| 42 | #include "../wincommon/SDL_wingl_c.h" |
| 43 | |
| 44 | #ifdef _WIN32_WCE |
| 45 | |
| 46 | #ifndef DM_DISPLAYORIENTATION |
| 47 | #define DM_DISPLAYORIENTATION 0x00800000L |
| 48 | #endif |
| 49 | #ifndef DM_DISPLAYQUERYORIENTATION |
| 50 | #define DM_DISPLAYQUERYORIENTATION 0x01000000L |
| 51 | #endif |
| 52 | #ifndef DMDO_0 |
| 53 | #define DMDO_0 0 |
| 54 | #endif |
| 55 | #ifndef DMDO_90 |
| 56 | #define DMDO_90 1 |
| 57 | #endif |
| 58 | #ifndef DMDO_180 |
| 59 | #define DMDO_180 2 |
| 60 | #endif |
| 61 | #ifndef DMDO_270 |
| 62 | #define DMDO_270 4 |
| 63 | #endif |
| 64 | |
| 65 | #define NO_GETDIBITS |
| 66 | #define NO_GAMMA_SUPPORT |
| 67 | #if _WIN32_WCE < 420 |
| 68 | #define NO_CHANGEDISPLAYSETTINGS |
| 69 | #else |
| 70 | #define ChangeDisplaySettings(lpDevMode, dwFlags) ChangeDisplaySettingsEx(NULL, (lpDevMode), 0, (dwFlags), 0) |
| 71 | #endif |
| 72 | #endif |
| 73 | #ifndef WS_MAXIMIZE |
| 74 | #define WS_MAXIMIZE 0 |
| 75 | #endif |
| 76 | #ifndef WS_THICKFRAME |
| 77 | #define WS_THICKFRAME 0 |
| 78 | #endif |
| 79 | #ifndef SWP_NOCOPYBITS |
| 80 | #define SWP_NOCOPYBITS 0 |
| 81 | #endif |
| 82 | #ifndef PC_NOCOLLAPSE |
| 83 | #define PC_NOCOLLAPSE 0 |
| 84 | #endif |
| 85 | |
| 86 | #ifdef _WIN32_WCE |
| 87 | // defined and used in SDL_sysevents.c |
| 88 | extern HINSTANCE aygshell; |
| 89 | #endif |
| 90 | |
| 91 | /* Initialization/Query functions */ |
| 92 | static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 93 | static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 94 | SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 95 | static int DIB_SetColors(_THIS, int firstcolor, int ncolors, |
| 96 | SDL_Color *colors); |
| 97 | static void DIB_CheckGamma(_THIS); |
| 98 | void DIB_SwapGamma(_THIS); |
| 99 | void DIB_QuitGamma(_THIS); |
| 100 | int DIB_SetGammaRamp(_THIS, Uint16 *ramp); |
| 101 | int DIB_GetGammaRamp(_THIS, Uint16 *ramp); |
| 102 | static void DIB_VideoQuit(_THIS); |
| 103 | |
| 104 | /* Hardware surface functions */ |
| 105 | static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 106 | static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); |
| 107 | static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 108 | static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 109 | |
| 110 | /* Windows message handling functions */ |
| 111 | static void DIB_GrabStaticColors(HWND window); |
| 112 | static void DIB_ReleaseStaticColors(HWND window); |
| 113 | static void DIB_Activate(_THIS, BOOL active, BOOL minimized); |
| 114 | static void DIB_RealizePalette(_THIS); |
| 115 | static void DIB_PaletteChanged(_THIS, HWND window); |
| 116 | static void DIB_WinPAINT(_THIS, HDC hdc); |
| 117 | |
| 118 | /* helper fn */ |
| 119 | static int DIB_SussScreenDepth(); |
| 120 | |
| 121 | /* DIB driver bootstrap functions */ |
| 122 | |
| 123 | static int DIB_Available(void) |
| 124 | { |
| 125 | return(1); |
| 126 | } |
| 127 | |
| 128 | static void DIB_DeleteDevice(SDL_VideoDevice *device) |
| 129 | { |
| 130 | if ( device ) { |
| 131 | if ( device->hidden ) { |
| 132 | if ( device->hidden->dibInfo ) { |
| 133 | SDL_free( device->hidden->dibInfo ); |
| 134 | } |
| 135 | SDL_free(device->hidden); |
| 136 | } |
| 137 | if ( device->gl_data ) { |
| 138 | SDL_free(device->gl_data); |
| 139 | } |
| 140 | SDL_free(device); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | static SDL_VideoDevice *DIB_CreateDevice(int devindex) |
| 145 | { |
| 146 | SDL_VideoDevice *device; |
| 147 | |
| 148 | /* Initialize all variables that we clean on shutdown */ |
| 149 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 150 | if ( device ) { |
| 151 | SDL_memset(device, 0, (sizeof *device)); |
| 152 | device->hidden = (struct SDL_PrivateVideoData *) |
| 153 | SDL_malloc((sizeof *device->hidden)); |
| 154 | if(device->hidden){ |
| 155 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 156 | device->hidden->dibInfo = (DibInfo *)SDL_malloc((sizeof(DibInfo))); |
| 157 | if(device->hidden->dibInfo == NULL) |
| 158 | { |
| 159 | SDL_free(device->hidden); |
| 160 | device->hidden = NULL; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | device->gl_data = (struct SDL_PrivateGLData *) |
| 165 | SDL_malloc((sizeof *device->gl_data)); |
| 166 | } |
| 167 | if ( (device == NULL) || (device->hidden == NULL) || |
| 168 | (device->gl_data == NULL) ) { |
| 169 | SDL_OutOfMemory(); |
| 170 | DIB_DeleteDevice(device); |
| 171 | return(NULL); |
| 172 | } |
| 173 | SDL_memset(device->hidden->dibInfo, 0, (sizeof *device->hidden->dibInfo)); |
| 174 | SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); |
| 175 | |
| 176 | /* Set the function pointers */ |
| 177 | device->VideoInit = DIB_VideoInit; |
| 178 | device->ListModes = DIB_ListModes; |
| 179 | device->SetVideoMode = DIB_SetVideoMode; |
| 180 | device->UpdateMouse = WIN_UpdateMouse; |
| 181 | device->SetColors = DIB_SetColors; |
| 182 | device->UpdateRects = NULL; |
| 183 | device->VideoQuit = DIB_VideoQuit; |
| 184 | device->AllocHWSurface = DIB_AllocHWSurface; |
| 185 | device->CheckHWBlit = NULL; |
| 186 | device->FillHWRect = NULL; |
| 187 | device->SetHWColorKey = NULL; |
| 188 | device->SetHWAlpha = NULL; |
| 189 | device->LockHWSurface = DIB_LockHWSurface; |
| 190 | device->UnlockHWSurface = DIB_UnlockHWSurface; |
| 191 | device->FlipHWSurface = NULL; |
| 192 | device->FreeHWSurface = DIB_FreeHWSurface; |
| 193 | device->SetGammaRamp = DIB_SetGammaRamp; |
| 194 | device->GetGammaRamp = DIB_GetGammaRamp; |
| 195 | #if SDL_VIDEO_OPENGL |
| 196 | device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
| 197 | device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
| 198 | device->GL_GetAttribute = WIN_GL_GetAttribute; |
| 199 | device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
| 200 | device->GL_SwapBuffers = WIN_GL_SwapBuffers; |
| 201 | #endif |
| 202 | device->SetCaption = WIN_SetWMCaption; |
| 203 | device->SetIcon = WIN_SetWMIcon; |
| 204 | device->IconifyWindow = WIN_IconifyWindow; |
| 205 | device->GrabInput = WIN_GrabInput; |
| 206 | device->GetWMInfo = WIN_GetWMInfo; |
| 207 | device->FreeWMCursor = WIN_FreeWMCursor; |
| 208 | device->CreateWMCursor = WIN_CreateWMCursor; |
| 209 | device->ShowWMCursor = WIN_ShowWMCursor; |
| 210 | device->WarpWMCursor = WIN_WarpWMCursor; |
| 211 | device->CheckMouseMode = WIN_CheckMouseMode; |
| 212 | device->InitOSKeymap = DIB_InitOSKeymap; |
| 213 | device->PumpEvents = DIB_PumpEvents; |
| 214 | |
| 215 | /* Set up the windows message handling functions */ |
| 216 | WIN_Activate = DIB_Activate; |
| 217 | WIN_RealizePalette = DIB_RealizePalette; |
| 218 | WIN_PaletteChanged = DIB_PaletteChanged; |
| 219 | WIN_WinPAINT = DIB_WinPAINT; |
| 220 | HandleMessage = DIB_HandleMessage; |
| 221 | |
| 222 | device->free = DIB_DeleteDevice; |
| 223 | |
| 224 | /* We're finally ready */ |
| 225 | return device; |
| 226 | } |
| 227 | |
| 228 | VideoBootStrap WINDIB_bootstrap = { |
| 229 | "windib", "Win95/98/NT/2000/CE GDI", |
| 230 | DIB_Available, DIB_CreateDevice |
| 231 | }; |
| 232 | |
| 233 | static int cmpmodes(const void *va, const void *vb) |
| 234 | { |
| 235 | SDL_Rect *a = *(SDL_Rect **)va; |
| 236 | SDL_Rect *b = *(SDL_Rect **)vb; |
| 237 | if ( a->w == b->w ) |
| 238 | return b->h - a->h; |
| 239 | else |
| 240 | return b->w - a->w; |
| 241 | } |
| 242 | |
| 243 | static int DIB_AddMode(_THIS, int bpp, int w, int h) |
| 244 | { |
| 245 | SDL_Rect *mode; |
| 246 | int i, index; |
| 247 | int next_mode; |
| 248 | |
| 249 | /* Check to see if we already have this mode */ |
| 250 | if ( bpp < 8 || bpp > 32 ) { /* Not supported */ |
| 251 | return(0); |
| 252 | } |
| 253 | index = ((bpp+7)/8)-1; |
| 254 | for ( i=0; i<SDL_nummodes[index]; ++i ) { |
| 255 | mode = SDL_modelist[index][i]; |
| 256 | if ( (mode->w == w) && (mode->h == h) ) { |
| 257 | return(0); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | /* Set up the new video mode rectangle */ |
| 262 | mode = (SDL_Rect *)SDL_malloc(sizeof *mode); |
| 263 | if ( mode == NULL ) { |
| 264 | SDL_OutOfMemory(); |
| 265 | return(-1); |
| 266 | } |
| 267 | mode->x = 0; |
| 268 | mode->y = 0; |
| 269 | mode->w = w; |
| 270 | mode->h = h; |
| 271 | |
| 272 | /* Allocate the new list of modes, and fill in the new mode */ |
| 273 | next_mode = SDL_nummodes[index]; |
| 274 | SDL_modelist[index] = (SDL_Rect **) |
| 275 | SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); |
| 276 | if ( SDL_modelist[index] == NULL ) { |
| 277 | SDL_OutOfMemory(); |
| 278 | SDL_nummodes[index] = 0; |
| 279 | SDL_free(mode); |
| 280 | return(-1); |
| 281 | } |
| 282 | SDL_modelist[index][next_mode] = mode; |
| 283 | SDL_modelist[index][next_mode+1] = NULL; |
| 284 | SDL_nummodes[index]++; |
| 285 | |
| 286 | return(0); |
| 287 | } |
| 288 | |
| 289 | static void DIB_CreatePalette(_THIS, int bpp) |
| 290 | { |
| 291 | /* RJR: March 28, 2000 |
| 292 | moved palette creation here from "DIB_VideoInit" */ |
| 293 | |
| 294 | LOGPALETTE *palette; |
| 295 | HDC hdc; |
| 296 | int ncolors; |
| 297 | |
| 298 | ncolors = (1 << bpp); |
| 299 | palette = (LOGPALETTE *)SDL_malloc(sizeof(*palette)+ |
| 300 | ncolors*sizeof(PALETTEENTRY)); |
| 301 | palette->palVersion = 0x300; |
| 302 | palette->palNumEntries = ncolors; |
| 303 | hdc = GetDC(SDL_Window); |
| 304 | GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); |
| 305 | ReleaseDC(SDL_Window, hdc); |
| 306 | screen_pal = CreatePalette(palette); |
| 307 | screen_logpal = palette; |
| 308 | } |
| 309 | |
| 310 | int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 311 | { |
| 312 | const char *env = NULL; |
| 313 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 314 | int i; |
| 315 | DEVMODE settings; |
| 316 | #endif |
| 317 | |
| 318 | /* Create the window */ |
| 319 | if ( DIB_CreateWindow(this) < 0 ) { |
| 320 | return(-1); |
| 321 | } |
| 322 | |
| 323 | #if !SDL_AUDIO_DISABLED |
| 324 | DX5_SoundFocus(SDL_Window); |
| 325 | #endif |
| 326 | |
| 327 | /* Determine the screen depth */ |
| 328 | vformat->BitsPerPixel = DIB_SussScreenDepth(); |
| 329 | switch (vformat->BitsPerPixel) { |
| 330 | case 15: |
| 331 | vformat->Rmask = 0x00007c00; |
| 332 | vformat->Gmask = 0x000003e0; |
| 333 | vformat->Bmask = 0x0000001f; |
| 334 | vformat->BitsPerPixel = 16; |
| 335 | break; |
| 336 | case 16: |
| 337 | vformat->Rmask = 0x0000f800; |
| 338 | vformat->Gmask = 0x000007e0; |
| 339 | vformat->Bmask = 0x0000001f; |
| 340 | break; |
| 341 | case 24: |
| 342 | case 32: |
| 343 | /* GDI defined as 8-8-8 */ |
| 344 | vformat->Rmask = 0x00ff0000; |
| 345 | vformat->Gmask = 0x0000ff00; |
| 346 | vformat->Bmask = 0x000000ff; |
| 347 | break; |
| 348 | default: |
| 349 | break; |
| 350 | } |
| 351 | |
| 352 | /* See if gamma is supported on this screen */ |
| 353 | DIB_CheckGamma(this); |
| 354 | |
| 355 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 356 | |
| 357 | settings.dmSize = sizeof(DEVMODE); |
| 358 | settings.dmDriverExtra = 0; |
| 359 | #ifdef _WIN32_WCE |
| 360 | settings.dmFields = DM_DISPLAYQUERYORIENTATION; |
| 361 | this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL; |
| 362 | #endif |
| 363 | /* Query for the desktop resolution */ |
| 364 | SDL_desktop_mode.dmSize = sizeof(SDL_desktop_mode); |
| 365 | SDL_desktop_mode.dmDriverExtra = 0; |
| 366 | EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode); |
| 367 | this->info.current_w = SDL_desktop_mode.dmPelsWidth; |
| 368 | this->info.current_h = SDL_desktop_mode.dmPelsHeight; |
| 369 | |
| 370 | /* Query for the list of available video modes */ |
| 371 | for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { |
| 372 | DIB_AddMode(this, settings.dmBitsPerPel, |
| 373 | settings.dmPelsWidth, settings.dmPelsHeight); |
| 374 | #ifdef _WIN32_WCE |
| 375 | if( this->hidden->supportRotation ) |
| 376 | DIB_AddMode(this, settings.dmBitsPerPel, |
| 377 | settings.dmPelsHeight, settings.dmPelsWidth); |
| 378 | #endif |
| 379 | } |
| 380 | /* Sort the mode lists */ |
| 381 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 382 | if ( SDL_nummodes[i] > 0 ) { |
| 383 | SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); |
| 384 | } |
| 385 | } |
| 386 | #else |
| 387 | // WinCE and fullscreen mode: |
| 388 | // We use only vformat->BitsPerPixel that allow SDL to |
| 389 | // emulate other bpp (8, 32) and use triple buffer, |
| 390 | // because SDL surface conversion is much faster than the WinCE one. |
| 391 | // Although it should be tested on devices with graphics accelerator. |
| 392 | |
| 393 | DIB_AddMode(this, vformat->BitsPerPixel, |
| 394 | GetDeviceCaps(GetDC(NULL), HORZRES), |
| 395 | GetDeviceCaps(GetDC(NULL), VERTRES)); |
| 396 | |
| 397 | #endif /* !NO_CHANGEDISPLAYSETTINGS */ |
| 398 | |
| 399 | /* Grab an identity palette if we are in a palettized mode */ |
| 400 | if ( vformat->BitsPerPixel <= 8 ) { |
| 401 | /* RJR: March 28, 2000 |
| 402 | moved palette creation to "DIB_CreatePalette" */ |
| 403 | DIB_CreatePalette(this, vformat->BitsPerPixel); |
| 404 | } |
| 405 | |
| 406 | /* Fill in some window manager capabilities */ |
| 407 | this->info.wm_available = 1; |
| 408 | |
| 409 | #ifdef _WIN32_WCE |
| 410 | this->hidden->origRotation = -1; |
| 411 | #endif |
| 412 | |
| 413 | /* Allow environment override of screensaver disable. */ |
| 414 | env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); |
| 415 | if ( env ) { |
| 416 | allow_screensaver = SDL_atoi(env); |
| 417 | } else { |
| 418 | #ifdef SDL_VIDEO_DISABLE_SCREENSAVER |
| 419 | allow_screensaver = 0; |
| 420 | #else |
| 421 | allow_screensaver = 1; |
| 422 | #endif |
| 423 | } |
| 424 | |
| 425 | /* We're done! */ |
| 426 | return(0); |
| 427 | } |
| 428 | |
| 429 | /* We support any format at any dimension */ |
| 430 | SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 431 | { |
| 432 | if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| 433 | return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); |
| 434 | } else { |
| 435 | return((SDL_Rect **)-1); |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | |
| 440 | /* |
| 441 | Helper fn to work out which screen depth windows is currently using. |
| 442 | 15 bit mode is considered 555 format, 16 bit is 565. |
| 443 | returns 0 for unknown mode. |
| 444 | (Derived from code in sept 1999 Windows Developer Journal |
| 445 | http://www.wdj.com/code/archive.html) |
| 446 | */ |
| 447 | static int DIB_SussScreenDepth() |
| 448 | { |
| 449 | #ifdef NO_GETDIBITS |
| 450 | int depth; |
| 451 | HDC hdc; |
| 452 | |
| 453 | hdc = GetDC(SDL_Window); |
| 454 | depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); |
| 455 | ReleaseDC(SDL_Window, hdc); |
| 456 | return(depth); |
| 457 | #else |
| 458 | int depth; |
| 459 | int dib_size; |
| 460 | LPBITMAPINFOHEADER dib_hdr; |
| 461 | HDC hdc; |
| 462 | HBITMAP hbm; |
| 463 | |
| 464 | /* Allocate enough space for a DIB header plus palette (for |
| 465 | * 8-bit modes) or bitfields (for 16- and 32-bit modes) |
| 466 | */ |
| 467 | dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); |
| 468 | dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size); |
| 469 | SDL_memset(dib_hdr, 0, dib_size); |
| 470 | dib_hdr->biSize = sizeof(BITMAPINFOHEADER); |
| 471 | |
| 472 | /* Get a device-dependent bitmap that's compatible with the |
| 473 | screen. |
| 474 | */ |
| 475 | hdc = GetDC(NULL); |
| 476 | hbm = CreateCompatibleBitmap( hdc, 1, 1 ); |
| 477 | |
| 478 | /* Convert the DDB to a DIB. We need to call GetDIBits twice: |
| 479 | * the first call just fills in the BITMAPINFOHEADER; the |
| 480 | * second fills in the bitfields or palette. |
| 481 | */ |
| 482 | GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); |
| 483 | GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); |
| 484 | DeleteObject(hbm); |
| 485 | ReleaseDC(NULL, hdc); |
| 486 | |
| 487 | depth = 0; |
| 488 | switch( dib_hdr->biBitCount ) |
| 489 | { |
| 490 | case 8: depth = 8; break; |
| 491 | case 24: depth = 24; break; |
| 492 | case 32: depth = 32; break; |
| 493 | case 16: |
| 494 | if( dib_hdr->biCompression == BI_BITFIELDS ) { |
| 495 | /* check the red mask */ |
| 496 | switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { |
| 497 | case 0xf800: depth = 16; break; /* 565 */ |
| 498 | case 0x7c00: depth = 15; break; /* 555 */ |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | SDL_free(dib_hdr); |
| 503 | return depth; |
| 504 | #endif /* NO_GETDIBITS */ |
| 505 | } |
| 506 | |
| 507 | |
| 508 | /* Various screen update functions available */ |
| 509 | static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); |
| 510 | |
| 511 | static void DIB_ResizeWindow(_THIS, int width, int height, int prev_width, int prev_height, Uint32 flags) |
| 512 | { |
| 513 | RECT bounds; |
| 514 | int x, y; |
| 515 | |
| 516 | #ifndef _WIN32_WCE |
| 517 | /* Resize the window */ |
| 518 | if ( !SDL_windowid && !IsZoomed(SDL_Window) ) { |
| 519 | #else |
| 520 | if ( !SDL_windowid ) { |
| 521 | #endif |
| 522 | HWND top; |
| 523 | UINT swp_flags; |
| 524 | const char *window = NULL; |
| 525 | const char *center = NULL; |
| 526 | |
| 527 | if ( width != prev_width || height != prev_height ) { |
| 528 | window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
| 529 | center = SDL_getenv("SDL_VIDEO_CENTERED"); |
| 530 | if ( window ) { |
| 531 | if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) { |
| 532 | SDL_windowX = x; |
| 533 | SDL_windowY = y; |
| 534 | } |
| 535 | if ( SDL_strcmp(window, "center") == 0 ) { |
| 536 | center = window; |
| 537 | } |
| 538 | } |
| 539 | } |
| 540 | swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); |
| 541 | |
| 542 | bounds.left = SDL_windowX; |
| 543 | bounds.top = SDL_windowY; |
| 544 | bounds.right = SDL_windowX+width; |
| 545 | bounds.bottom = SDL_windowY+height; |
| 546 | #ifndef _WIN32_WCE |
| 547 | AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0); |
| 548 | #else |
| 549 | // The bMenu parameter must be FALSE; menu bars are not supported |
| 550 | AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), 0, 0); |
| 551 | #endif |
| 552 | width = bounds.right-bounds.left; |
| 553 | height = bounds.bottom-bounds.top; |
| 554 | if ( (flags & SDL_FULLSCREEN) ) { |
| 555 | x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
| 556 | y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
| 557 | } else if ( center ) { |
| 558 | x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; |
| 559 | y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; |
| 560 | } else if ( SDL_windowX || SDL_windowY || window ) { |
| 561 | x = bounds.left; |
| 562 | y = bounds.top; |
| 563 | } else { |
| 564 | x = y = -1; |
| 565 | swp_flags |= SWP_NOMOVE; |
| 566 | } |
| 567 | if ( flags & SDL_FULLSCREEN ) { |
| 568 | top = HWND_TOPMOST; |
| 569 | } else { |
| 570 | top = HWND_NOTOPMOST; |
| 571 | } |
| 572 | SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); |
| 573 | if ( !(flags & SDL_FULLSCREEN) ) { |
| 574 | SDL_windowX = SDL_bounds.left; |
| 575 | SDL_windowY = SDL_bounds.top; |
| 576 | } |
| 577 | SetForegroundWindow(SDL_Window); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, |
| 582 | int width, int height, int bpp, Uint32 flags) |
| 583 | { |
| 584 | SDL_Surface *video; |
| 585 | int prev_w, prev_h; |
| 586 | Uint32 prev_flags; |
| 587 | DWORD style; |
| 588 | const DWORD directstyle = |
| 589 | (WS_POPUP); |
| 590 | const DWORD windowstyle = |
| 591 | (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); |
| 592 | const DWORD resizestyle = |
| 593 | (WS_THICKFRAME|WS_MAXIMIZEBOX); |
| 594 | int binfo_size; |
| 595 | BITMAPINFO *binfo; |
| 596 | HDC hdc; |
| 597 | Uint32 Rmask, Gmask, Bmask; |
| 598 | |
| 599 | prev_w = current->w; |
| 600 | prev_h = current->h; |
| 601 | prev_flags = current->flags; |
| 602 | |
| 603 | /* |
| 604 | * Special case for OpenGL windows...since the app needs to call |
| 605 | * SDL_SetVideoMode() in response to resize events to continue to |
| 606 | * function, but WGL handles the GL context details behind the scenes, |
| 607 | * there's no sense in tearing the context down just to rebuild it |
| 608 | * to what it already was...tearing it down sacrifices your GL state |
| 609 | * and uploaded textures. So if we're requesting the same video mode |
| 610 | * attributes just resize the window and return immediately. |
| 611 | */ |
| 612 | if ( SDL_Window && |
| 613 | ((current->flags & ~SDL_ANYFORMAT) == (flags & ~SDL_ANYFORMAT)) && |
| 614 | (current->format->BitsPerPixel == bpp) && |
| 615 | (flags & SDL_OPENGL) && |
| 616 | !(flags & SDL_FULLSCREEN) ) { /* probably not safe for fs */ |
| 617 | current->w = width; |
| 618 | current->h = height; |
| 619 | SDL_resizing = 1; |
| 620 | DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); |
| 621 | SDL_resizing = 0; |
| 622 | return current; |
| 623 | } |
| 624 | |
| 625 | /* Clean up any GL context that may be hanging around */ |
| 626 | if ( current->flags & SDL_OPENGL ) { |
| 627 | WIN_GL_ShutDown(this); |
| 628 | } |
| 629 | SDL_resizing = 1; |
| 630 | |
| 631 | /* Recalculate the bitmasks if necessary */ |
| 632 | if ( bpp == current->format->BitsPerPixel ) { |
| 633 | video = current; |
| 634 | } else { |
| 635 | switch (bpp) { |
| 636 | case 15: |
| 637 | case 16: |
| 638 | if ( DIB_SussScreenDepth() == 15 ) { |
| 639 | /* 5-5-5 */ |
| 640 | Rmask = 0x00007c00; |
| 641 | Gmask = 0x000003e0; |
| 642 | Bmask = 0x0000001f; |
| 643 | } else { |
| 644 | /* 5-6-5 */ |
| 645 | Rmask = 0x0000f800; |
| 646 | Gmask = 0x000007e0; |
| 647 | Bmask = 0x0000001f; |
| 648 | } |
| 649 | break; |
| 650 | case 24: |
| 651 | case 32: |
| 652 | /* GDI defined as 8-8-8 */ |
| 653 | Rmask = 0x00ff0000; |
| 654 | Gmask = 0x0000ff00; |
| 655 | Bmask = 0x000000ff; |
| 656 | break; |
| 657 | default: |
| 658 | Rmask = 0x00000000; |
| 659 | Gmask = 0x00000000; |
| 660 | Bmask = 0x00000000; |
| 661 | break; |
| 662 | } |
| 663 | video = SDL_CreateRGBSurface(SDL_SWSURFACE, |
| 664 | 0, 0, bpp, Rmask, Gmask, Bmask, 0); |
| 665 | if ( video == NULL ) { |
| 666 | SDL_OutOfMemory(); |
| 667 | return(NULL); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | /* Fill in part of the video surface */ |
| 672 | video->flags = 0; /* Clear flags */ |
| 673 | video->w = width; |
| 674 | video->h = height; |
| 675 | video->pitch = SDL_CalculatePitch(video); |
| 676 | |
| 677 | /* Small fix for WinCE/Win32 - when activating window |
| 678 | SDL_VideoSurface is equal to zero, so activating code |
| 679 | is not called properly for fullscreen windows because |
| 680 | macros WINDIB_FULLSCREEN uses SDL_VideoSurface |
| 681 | */ |
| 682 | SDL_VideoSurface = video; |
| 683 | |
| 684 | #if defined(_WIN32_WCE) |
| 685 | if ( flags & SDL_FULLSCREEN ) |
| 686 | video->flags |= SDL_FULLSCREEN; |
| 687 | #endif |
| 688 | |
| 689 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 690 | /* Set fullscreen mode if appropriate */ |
| 691 | if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| 692 | DEVMODE settings; |
| 693 | BOOL changed; |
| 694 | |
| 695 | SDL_memset(&settings, 0, sizeof(DEVMODE)); |
| 696 | settings.dmSize = sizeof(DEVMODE); |
| 697 | |
| 698 | #ifdef _WIN32_WCE |
| 699 | // try to rotate screen to fit requested resolution |
| 700 | if( this->hidden->supportRotation ) |
| 701 | { |
| 702 | DWORD rotation; |
| 703 | |
| 704 | // ask current mode |
| 705 | settings.dmFields = DM_DISPLAYORIENTATION; |
| 706 | ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL); |
| 707 | rotation = settings.dmDisplayOrientation; |
| 708 | |
| 709 | if( (width > GetDeviceCaps(GetDC(NULL), HORZRES)) |
| 710 | && (height < GetDeviceCaps(GetDC(NULL), VERTRES))) |
| 711 | { |
| 712 | switch( rotation ) |
| 713 | { |
| 714 | case DMDO_0: |
| 715 | settings.dmDisplayOrientation = DMDO_90; |
| 716 | break; |
| 717 | case DMDO_270: |
| 718 | settings.dmDisplayOrientation = DMDO_180; |
| 719 | break; |
| 720 | } |
| 721 | if( settings.dmDisplayOrientation != rotation ) |
| 722 | { |
| 723 | // go to landscape |
| 724 | this->hidden->origRotation = rotation; |
| 725 | ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); |
| 726 | } |
| 727 | } |
| 728 | if( (width < GetDeviceCaps(GetDC(NULL), HORZRES)) |
| 729 | && (height > GetDeviceCaps(GetDC(NULL), VERTRES))) |
| 730 | { |
| 731 | switch( rotation ) |
| 732 | { |
| 733 | case DMDO_90: |
| 734 | settings.dmDisplayOrientation = DMDO_0; |
| 735 | break; |
| 736 | case DMDO_180: |
| 737 | settings.dmDisplayOrientation = DMDO_270; |
| 738 | break; |
| 739 | } |
| 740 | if( settings.dmDisplayOrientation != rotation ) |
| 741 | { |
| 742 | // go to portrait |
| 743 | this->hidden->origRotation = rotation; |
| 744 | ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | } |
| 749 | #endif |
| 750 | |
| 751 | #ifndef _WIN32_WCE |
| 752 | settings.dmBitsPerPel = video->format->BitsPerPixel; |
| 753 | settings.dmPelsWidth = width; |
| 754 | settings.dmPelsHeight = height; |
| 755 | settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; |
| 756 | if ( width <= (int)SDL_desktop_mode.dmPelsWidth && |
| 757 | height <= (int)SDL_desktop_mode.dmPelsHeight ) { |
| 758 | settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency; |
| 759 | settings.dmFields |= DM_DISPLAYFREQUENCY; |
| 760 | } |
| 761 | changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); |
| 762 | if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) { |
| 763 | settings.dmFields &= ~DM_DISPLAYFREQUENCY; |
| 764 | changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); |
| 765 | } |
| 766 | #else |
| 767 | changed = 1; |
| 768 | #endif |
| 769 | if ( changed ) { |
| 770 | video->flags |= SDL_FULLSCREEN; |
| 771 | SDL_fullscreen_mode = settings; |
| 772 | } |
| 773 | |
| 774 | } |
| 775 | #endif /* !NO_CHANGEDISPLAYSETTINGS */ |
| 776 | |
| 777 | /* Reset the palette and create a new one if necessary */ |
| 778 | if ( grab_palette ) { |
| 779 | DIB_ReleaseStaticColors(SDL_Window); |
| 780 | grab_palette = FALSE; |
| 781 | } |
| 782 | if ( screen_pal != NULL ) { |
| 783 | /* RJR: March 28, 2000 |
| 784 | delete identity palette if switching from a palettized mode */ |
| 785 | DeleteObject(screen_pal); |
| 786 | screen_pal = NULL; |
| 787 | } |
| 788 | if ( screen_logpal != NULL ) { |
| 789 | SDL_free(screen_logpal); |
| 790 | screen_logpal = NULL; |
| 791 | } |
| 792 | |
| 793 | if ( bpp <= 8 ) |
| 794 | { |
| 795 | /* RJR: March 28, 2000 |
| 796 | create identity palette switching to a palettized mode */ |
| 797 | DIB_CreatePalette(this, bpp); |
| 798 | } |
| 799 | |
| 800 | style = GetWindowLong(SDL_Window, GWL_STYLE); |
| 801 | style &= ~(resizestyle|WS_MAXIMIZE); |
| 802 | if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| 803 | style &= ~windowstyle; |
| 804 | style |= directstyle; |
| 805 | } else { |
| 806 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 807 | if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| 808 | ChangeDisplaySettings(NULL, 0); |
| 809 | } |
| 810 | #endif |
| 811 | if ( flags & SDL_NOFRAME ) { |
| 812 | style &= ~windowstyle; |
| 813 | style |= directstyle; |
| 814 | video->flags |= SDL_NOFRAME; |
| 815 | } else { |
| 816 | style &= ~directstyle; |
| 817 | style |= windowstyle; |
| 818 | if ( flags & SDL_RESIZABLE ) { |
| 819 | style |= resizestyle; |
| 820 | video->flags |= SDL_RESIZABLE; |
| 821 | } |
| 822 | } |
| 823 | #if WS_MAXIMIZE && !defined(_WIN32_WCE) |
| 824 | if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; |
| 825 | #endif |
| 826 | } |
| 827 | |
| 828 | /* DJM: Don't piss of anyone who has setup his own window */ |
| 829 | if ( !SDL_windowid ) |
| 830 | SetWindowLong(SDL_Window, GWL_STYLE, style); |
| 831 | |
| 832 | /* Delete the old bitmap if necessary */ |
| 833 | if ( screen_bmp != NULL ) { |
| 834 | DeleteObject(screen_bmp); |
| 835 | } |
| 836 | if ( ! (flags & SDL_OPENGL) ) { |
| 837 | BOOL is16bitmode = (video->format->BytesPerPixel == 2); |
| 838 | |
| 839 | /* Suss out the bitmap info header */ |
| 840 | binfo_size = sizeof(*binfo); |
| 841 | if( is16bitmode ) { |
| 842 | /* 16bit modes, palette area used for rgb bitmasks */ |
| 843 | binfo_size += 3*sizeof(DWORD); |
| 844 | } else if ( video->format->palette ) { |
| 845 | binfo_size += video->format->palette->ncolors * |
| 846 | sizeof(RGBQUAD); |
| 847 | } |
| 848 | binfo = (BITMAPINFO *)SDL_malloc(binfo_size); |
| 849 | if ( ! binfo ) { |
| 850 | if ( video != current ) { |
| 851 | SDL_FreeSurface(video); |
| 852 | } |
| 853 | SDL_OutOfMemory(); |
| 854 | return(NULL); |
| 855 | } |
| 856 | |
| 857 | binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| 858 | binfo->bmiHeader.biWidth = video->w; |
| 859 | binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ |
| 860 | binfo->bmiHeader.biPlanes = 1; |
| 861 | binfo->bmiHeader.biSizeImage = video->h * video->pitch; |
| 862 | binfo->bmiHeader.biXPelsPerMeter = 0; |
| 863 | binfo->bmiHeader.biYPelsPerMeter = 0; |
| 864 | binfo->bmiHeader.biClrUsed = 0; |
| 865 | binfo->bmiHeader.biClrImportant = 0; |
| 866 | binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; |
| 867 | |
| 868 | if ( is16bitmode ) { |
| 869 | /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ |
| 870 | binfo->bmiHeader.biCompression = BI_BITFIELDS; |
| 871 | ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; |
| 872 | ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; |
| 873 | ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; |
| 874 | } else { |
| 875 | binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ |
| 876 | if ( video->format->palette ) { |
| 877 | SDL_memset(binfo->bmiColors, 0, |
| 878 | video->format->palette->ncolors*sizeof(RGBQUAD)); |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | /* Create the offscreen bitmap buffer */ |
| 883 | hdc = GetDC(SDL_Window); |
| 884 | screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, |
| 885 | (void **)(&video->pixels), NULL, 0); |
| 886 | ReleaseDC(SDL_Window, hdc); |
| 887 | SDL_free(binfo); |
| 888 | if ( screen_bmp == NULL ) { |
| 889 | if ( video != current ) { |
| 890 | SDL_FreeSurface(video); |
| 891 | } |
| 892 | SDL_SetError("Couldn't create DIB section"); |
| 893 | return(NULL); |
| 894 | } |
| 895 | this->UpdateRects = DIB_NormalUpdate; |
| 896 | |
| 897 | /* Set video surface flags */ |
| 898 | if ( screen_pal && (flags & (SDL_FULLSCREEN|SDL_HWPALETTE)) ) { |
| 899 | grab_palette = TRUE; |
| 900 | } |
| 901 | if ( screen_pal ) { |
| 902 | /* BitBlt() maps colors for us */ |
| 903 | video->flags |= SDL_HWPALETTE; |
| 904 | } |
| 905 | } |
| 906 | DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); |
| 907 | SDL_resizing = 0; |
| 908 | |
| 909 | /* Set up for OpenGL */ |
| 910 | if ( flags & SDL_OPENGL ) { |
| 911 | if ( WIN_GL_SetupWindow(this) < 0 ) { |
| 912 | return(NULL); |
| 913 | } |
| 914 | video->flags |= SDL_OPENGL; |
| 915 | } |
| 916 | |
| 917 | /* JC 14 Mar 2006 |
| 918 | Flush the message loop or this can cause big problems later |
| 919 | Especially if the user decides to use dialog boxes or assert()! |
| 920 | */ |
| 921 | WIN_FlushMessageQueue(); |
| 922 | |
| 923 | /* We're live! */ |
| 924 | return(video); |
| 925 | } |
| 926 | |
| 927 | /* We don't actually allow hardware surfaces in the DIB driver */ |
| 928 | static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 929 | { |
| 930 | return(-1); |
| 931 | } |
| 932 | static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 933 | { |
| 934 | return; |
| 935 | } |
| 936 | static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) |
| 937 | { |
| 938 | return(0); |
| 939 | } |
| 940 | static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 941 | { |
| 942 | return; |
| 943 | } |
| 944 | |
| 945 | static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) |
| 946 | { |
| 947 | HDC hdc, mdc; |
| 948 | int i; |
| 949 | |
| 950 | hdc = GetDC(SDL_Window); |
| 951 | if ( screen_pal ) { |
| 952 | SelectPalette(hdc, screen_pal, FALSE); |
| 953 | } |
| 954 | mdc = CreateCompatibleDC(hdc); |
| 955 | SelectObject(mdc, screen_bmp); |
| 956 | for ( i=0; i<numrects; ++i ) { |
| 957 | BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, |
| 958 | mdc, rects[i].x, rects[i].y, SRCCOPY); |
| 959 | } |
| 960 | DeleteDC(mdc); |
| 961 | ReleaseDC(SDL_Window, hdc); |
| 962 | } |
| 963 | |
| 964 | static int FindPaletteIndex(LOGPALETTE *pal, BYTE r, BYTE g, BYTE b) |
| 965 | { |
| 966 | PALETTEENTRY *entry; |
| 967 | int i; |
| 968 | int nentries = pal->palNumEntries; |
| 969 | |
| 970 | for ( i = 0; i < nentries; ++i ) { |
| 971 | entry = &pal->palPalEntry[i]; |
| 972 | if ( entry->peRed == r && entry->peGreen == g && entry->peBlue == b ) { |
| 973 | return i; |
| 974 | } |
| 975 | } |
| 976 | return -1; |
| 977 | } |
| 978 | |
| 979 | static BOOL CheckPaletteEntry(LOGPALETTE *pal, int index, BYTE r, BYTE g, BYTE b) |
| 980 | { |
| 981 | PALETTEENTRY *entry; |
| 982 | BOOL moved = 0; |
| 983 | |
| 984 | entry = &pal->palPalEntry[index]; |
| 985 | if ( entry->peRed != r || entry->peGreen != g || entry->peBlue != b ) { |
| 986 | int found = FindPaletteIndex(pal, r, g, b); |
| 987 | if ( found >= 0 ) { |
| 988 | pal->palPalEntry[found] = *entry; |
| 989 | } |
| 990 | entry->peRed = r; |
| 991 | entry->peGreen = g; |
| 992 | entry->peBlue = b; |
| 993 | moved = 1; |
| 994 | } |
| 995 | entry->peFlags = 0; |
| 996 | |
| 997 | return moved; |
| 998 | } |
| 999 | |
| 1000 | int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 1001 | { |
| 1002 | #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
| 1003 | HDC hdc, mdc; |
| 1004 | RGBQUAD *pal; |
| 1005 | #else |
| 1006 | HDC hdc; |
| 1007 | #endif |
| 1008 | int i; |
| 1009 | int moved_entries = 0; |
| 1010 | |
| 1011 | /* Update the display palette */ |
| 1012 | hdc = GetDC(SDL_Window); |
| 1013 | if ( screen_pal ) { |
| 1014 | PALETTEENTRY *entry; |
| 1015 | |
| 1016 | for ( i=0; i<ncolors; ++i ) { |
| 1017 | entry = &screen_logpal->palPalEntry[firstcolor+i]; |
| 1018 | entry->peRed = colors[i].r; |
| 1019 | entry->peGreen = colors[i].g; |
| 1020 | entry->peBlue = colors[i].b; |
| 1021 | entry->peFlags = PC_NOCOLLAPSE; |
| 1022 | } |
| 1023 | #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) |
| 1024 | /* Check to make sure black and white are in position */ |
| 1025 | if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { |
| 1026 | moved_entries += CheckPaletteEntry(screen_logpal, 0, 0x00, 0x00, 0x00); |
| 1027 | moved_entries += CheckPaletteEntry(screen_logpal, screen_logpal->palNumEntries-1, 0xff, 0xff, 0xff); |
| 1028 | } |
| 1029 | /* FIXME: |
| 1030 | If we don't have full access to the palette, what we |
| 1031 | really want to do is find the 236 most diverse colors |
| 1032 | in the desired palette, set those entries (10-245) and |
| 1033 | then map everything into the new system palette. |
| 1034 | */ |
| 1035 | #endif |
| 1036 | |
| 1037 | #ifndef _WIN32_WCE |
| 1038 | /* Copy the entries into the system palette */ |
| 1039 | UnrealizeObject(screen_pal); |
| 1040 | #endif |
| 1041 | SetPaletteEntries(screen_pal, 0, screen_logpal->palNumEntries, screen_logpal->palPalEntry); |
| 1042 | SelectPalette(hdc, screen_pal, FALSE); |
| 1043 | RealizePalette(hdc); |
| 1044 | } |
| 1045 | |
| 1046 | #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) |
| 1047 | /* Copy palette colors into DIB palette */ |
| 1048 | pal = SDL_stack_alloc(RGBQUAD, ncolors); |
| 1049 | for ( i=0; i<ncolors; ++i ) { |
| 1050 | pal[i].rgbRed = colors[i].r; |
| 1051 | pal[i].rgbGreen = colors[i].g; |
| 1052 | pal[i].rgbBlue = colors[i].b; |
| 1053 | pal[i].rgbReserved = 0; |
| 1054 | } |
| 1055 | |
| 1056 | /* Set the DIB palette and update the display */ |
| 1057 | mdc = CreateCompatibleDC(hdc); |
| 1058 | SelectObject(mdc, screen_bmp); |
| 1059 | SetDIBColorTable(mdc, firstcolor, ncolors, pal); |
| 1060 | if ( moved_entries || !grab_palette ) { |
| 1061 | BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, |
| 1062 | mdc, 0, 0, SRCCOPY); |
| 1063 | } |
| 1064 | DeleteDC(mdc); |
| 1065 | SDL_stack_free(pal); |
| 1066 | #endif |
| 1067 | ReleaseDC(SDL_Window, hdc); |
| 1068 | return(1); |
| 1069 | } |
| 1070 | |
| 1071 | |
| 1072 | static void DIB_CheckGamma(_THIS) |
| 1073 | { |
| 1074 | #ifndef NO_GAMMA_SUPPORT |
| 1075 | HDC hdc; |
| 1076 | WORD ramp[3*256]; |
| 1077 | |
| 1078 | /* If we fail to get gamma, disable gamma control */ |
| 1079 | hdc = GetDC(SDL_Window); |
| 1080 | if ( ! GetDeviceGammaRamp(hdc, ramp) ) { |
| 1081 | this->GetGammaRamp = NULL; |
| 1082 | this->SetGammaRamp = NULL; |
| 1083 | } |
| 1084 | ReleaseDC(SDL_Window, hdc); |
| 1085 | #endif /* !NO_GAMMA_SUPPORT */ |
| 1086 | } |
| 1087 | void DIB_SwapGamma(_THIS) |
| 1088 | { |
| 1089 | #ifndef NO_GAMMA_SUPPORT |
| 1090 | HDC hdc; |
| 1091 | |
| 1092 | if ( gamma_saved ) { |
| 1093 | hdc = GetDC(SDL_Window); |
| 1094 | if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
| 1095 | /* About to leave active state, restore gamma */ |
| 1096 | SetDeviceGammaRamp(hdc, gamma_saved); |
| 1097 | } else { |
| 1098 | /* About to enter active state, set game gamma */ |
| 1099 | GetDeviceGammaRamp(hdc, gamma_saved); |
| 1100 | SetDeviceGammaRamp(hdc, this->gamma); |
| 1101 | } |
| 1102 | ReleaseDC(SDL_Window, hdc); |
| 1103 | } |
| 1104 | #endif /* !NO_GAMMA_SUPPORT */ |
| 1105 | } |
| 1106 | void DIB_QuitGamma(_THIS) |
| 1107 | { |
| 1108 | #ifndef NO_GAMMA_SUPPORT |
| 1109 | if ( gamma_saved ) { |
| 1110 | /* Restore the original gamma if necessary */ |
| 1111 | if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
| 1112 | HDC hdc; |
| 1113 | |
| 1114 | hdc = GetDC(SDL_Window); |
| 1115 | SetDeviceGammaRamp(hdc, gamma_saved); |
| 1116 | ReleaseDC(SDL_Window, hdc); |
| 1117 | } |
| 1118 | |
| 1119 | /* Free the saved gamma memory */ |
| 1120 | SDL_free(gamma_saved); |
| 1121 | gamma_saved = 0; |
| 1122 | } |
| 1123 | #endif /* !NO_GAMMA_SUPPORT */ |
| 1124 | } |
| 1125 | |
| 1126 | int DIB_SetGammaRamp(_THIS, Uint16 *ramp) |
| 1127 | { |
| 1128 | #ifdef NO_GAMMA_SUPPORT |
| 1129 | SDL_SetError("SDL compiled without gamma ramp support"); |
| 1130 | return -1; |
| 1131 | #else |
| 1132 | HDC hdc; |
| 1133 | BOOL succeeded; |
| 1134 | |
| 1135 | /* Set the ramp for the display */ |
| 1136 | if ( ! gamma_saved ) { |
| 1137 | gamma_saved = (WORD *)SDL_malloc(3*256*sizeof(*gamma_saved)); |
| 1138 | if ( ! gamma_saved ) { |
| 1139 | SDL_OutOfMemory(); |
| 1140 | return -1; |
| 1141 | } |
| 1142 | hdc = GetDC(SDL_Window); |
| 1143 | GetDeviceGammaRamp(hdc, gamma_saved); |
| 1144 | ReleaseDC(SDL_Window, hdc); |
| 1145 | } |
| 1146 | if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
| 1147 | hdc = GetDC(SDL_Window); |
| 1148 | succeeded = SetDeviceGammaRamp(hdc, ramp); |
| 1149 | ReleaseDC(SDL_Window, hdc); |
| 1150 | } else { |
| 1151 | succeeded = TRUE; |
| 1152 | } |
| 1153 | return succeeded ? 0 : -1; |
| 1154 | #endif /* !NO_GAMMA_SUPPORT */ |
| 1155 | } |
| 1156 | |
| 1157 | int DIB_GetGammaRamp(_THIS, Uint16 *ramp) |
| 1158 | { |
| 1159 | #ifdef NO_GAMMA_SUPPORT |
| 1160 | SDL_SetError("SDL compiled without gamma ramp support"); |
| 1161 | return -1; |
| 1162 | #else |
| 1163 | HDC hdc; |
| 1164 | BOOL succeeded; |
| 1165 | |
| 1166 | /* Get the ramp from the display */ |
| 1167 | hdc = GetDC(SDL_Window); |
| 1168 | succeeded = GetDeviceGammaRamp(hdc, ramp); |
| 1169 | ReleaseDC(SDL_Window, hdc); |
| 1170 | return succeeded ? 0 : -1; |
| 1171 | #endif /* !NO_GAMMA_SUPPORT */ |
| 1172 | } |
| 1173 | |
| 1174 | void DIB_VideoQuit(_THIS) |
| 1175 | { |
| 1176 | int i, j; |
| 1177 | |
| 1178 | /* Destroy the window and everything associated with it */ |
| 1179 | if ( SDL_Window ) { |
| 1180 | /* Delete the screen bitmap (also frees screen->pixels) */ |
| 1181 | if ( this->screen ) { |
| 1182 | if ( grab_palette ) { |
| 1183 | DIB_ReleaseStaticColors(SDL_Window); |
| 1184 | } |
| 1185 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 1186 | if ( this->screen->flags & SDL_FULLSCREEN ) { |
| 1187 | ChangeDisplaySettings(NULL, 0); |
| 1188 | ShowWindow(SDL_Window, SW_HIDE); |
| 1189 | } |
| 1190 | #endif |
| 1191 | if ( this->screen->flags & SDL_OPENGL ) { |
| 1192 | WIN_GL_ShutDown(this); |
| 1193 | } |
| 1194 | this->screen->pixels = NULL; |
| 1195 | } |
| 1196 | if ( screen_pal != NULL ) { |
| 1197 | DeleteObject(screen_pal); |
| 1198 | screen_pal = NULL; |
| 1199 | } |
| 1200 | if ( screen_logpal != NULL ) { |
| 1201 | SDL_free(screen_logpal); |
| 1202 | screen_logpal = NULL; |
| 1203 | } |
| 1204 | if ( screen_bmp ) { |
| 1205 | DeleteObject(screen_bmp); |
| 1206 | screen_bmp = NULL; |
| 1207 | } |
| 1208 | if ( screen_icn ) { |
| 1209 | DestroyIcon(screen_icn); |
| 1210 | screen_icn = NULL; |
| 1211 | } |
| 1212 | DIB_QuitGamma(this); |
| 1213 | DIB_DestroyWindow(this); |
| 1214 | |
| 1215 | SDL_Window = NULL; |
| 1216 | |
| 1217 | #if defined(_WIN32_WCE) |
| 1218 | |
| 1219 | // Unload wince aygshell library to prevent leak |
| 1220 | if( aygshell ) |
| 1221 | { |
| 1222 | FreeLibrary(aygshell); |
| 1223 | aygshell = NULL; |
| 1224 | } |
| 1225 | #endif |
| 1226 | } |
| 1227 | |
| 1228 | for ( i=0; i < SDL_arraysize(SDL_modelist); ++i ) { |
| 1229 | if ( !SDL_modelist[i] ) { |
| 1230 | continue; |
| 1231 | } |
| 1232 | for ( j=0; SDL_modelist[i][j]; ++j ) { |
| 1233 | SDL_free(SDL_modelist[i][j]); |
| 1234 | } |
| 1235 | SDL_free(SDL_modelist[i]); |
| 1236 | SDL_modelist[i] = NULL; |
| 1237 | SDL_nummodes[i] = 0; |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | /* Exported for the windows message loop only */ |
| 1242 | static void DIB_GrabStaticColors(HWND window) |
| 1243 | { |
| 1244 | #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) |
| 1245 | HDC hdc; |
| 1246 | |
| 1247 | hdc = GetDC(window); |
| 1248 | SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC256); |
| 1249 | if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { |
| 1250 | SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC); |
| 1251 | } |
| 1252 | ReleaseDC(window, hdc); |
| 1253 | #endif |
| 1254 | } |
| 1255 | static void DIB_ReleaseStaticColors(HWND window) |
| 1256 | { |
| 1257 | #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) |
| 1258 | HDC hdc; |
| 1259 | |
| 1260 | hdc = GetDC(window); |
| 1261 | SetSystemPaletteUse(hdc, SYSPAL_STATIC); |
| 1262 | ReleaseDC(window, hdc); |
| 1263 | #endif |
| 1264 | } |
| 1265 | static void DIB_Activate(_THIS, BOOL active, BOOL minimized) |
| 1266 | { |
| 1267 | if ( grab_palette ) { |
| 1268 | if ( !active ) { |
| 1269 | DIB_ReleaseStaticColors(SDL_Window); |
| 1270 | DIB_RealizePalette(this); |
| 1271 | } else if ( !minimized ) { |
| 1272 | DIB_GrabStaticColors(SDL_Window); |
| 1273 | DIB_RealizePalette(this); |
| 1274 | } |
| 1275 | } |
| 1276 | } |
| 1277 | static void DIB_RealizePalette(_THIS) |
| 1278 | { |
| 1279 | if ( screen_pal != NULL ) { |
| 1280 | HDC hdc; |
| 1281 | |
| 1282 | hdc = GetDC(SDL_Window); |
| 1283 | #ifndef _WIN32_WCE |
| 1284 | UnrealizeObject(screen_pal); |
| 1285 | #endif |
| 1286 | SelectPalette(hdc, screen_pal, FALSE); |
| 1287 | if ( RealizePalette(hdc) ) { |
| 1288 | InvalidateRect(SDL_Window, NULL, FALSE); |
| 1289 | } |
| 1290 | ReleaseDC(SDL_Window, hdc); |
| 1291 | } |
| 1292 | } |
| 1293 | static void DIB_PaletteChanged(_THIS, HWND window) |
| 1294 | { |
| 1295 | if ( window != SDL_Window ) { |
| 1296 | DIB_RealizePalette(this); |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | /* Exported for the windows message loop only */ |
| 1301 | static void DIB_WinPAINT(_THIS, HDC hdc) |
| 1302 | { |
| 1303 | HDC mdc; |
| 1304 | |
| 1305 | if ( screen_pal ) { |
| 1306 | SelectPalette(hdc, screen_pal, FALSE); |
| 1307 | } |
| 1308 | mdc = CreateCompatibleDC(hdc); |
| 1309 | SelectObject(mdc, screen_bmp); |
| 1310 | BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, |
| 1311 | mdc, 0, 0, SRCCOPY); |
| 1312 | DeleteDC(mdc); |
| 1313 | } |
| 1314 | |
| 1315 | /* Stub in case DirectX isn't available */ |
| 1316 | #if !SDL_AUDIO_DRIVER_DSOUND |
| 1317 | void DX5_SoundFocus(HWND hwnd) |
| 1318 | { |
| 1319 | return; |
| 1320 | } |
| 1321 | #endif |