dlls/gdi/driver.c

   1 /*
   2  * Graphics driver management functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29
  30 #include "gdi.h"
  31 #include "wine/unicode.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(driver);
  35
  36 struct graphics_driver
  37 {
  38     struct graphics_driver *next;
  39     struct graphics_driver *prev;
  40     HMODULE                 module;  /* module handle */
  41     unsigned int            count;   /* reference count */
  42     DC_FUNCTIONS            funcs;
  43 };
  44
  45 static struct graphics_driver *first_driver;
  46 static struct graphics_driver *display_driver;
  47
  48 static CRITICAL_SECTION driver_section;
  49 static CRITICAL_SECTION_DEBUG critsect_debug =
  50 {
  51     0, 0, &driver_section,
  52     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  53       0, 0, { 0, (DWORD)(__FILE__ ": driver_section") }
  54 };
  55 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  56
  57 /**********************************************************************
  58  *           create_driver
  59  *
  60  * Allocate and fill the driver structure for a given module.
  61  */
  62 static struct graphics_driver *create_driver( HMODULE module )
  63 {
  64     struct graphics_driver *driver;
  65
  66     if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
  67     driver->next   = NULL;
  68     driver->prev   = NULL;
  69     driver->module = module;
  70     driver->count  = 1;
  71
  72     /* fill the function table */
  73
  74 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
  75
  76     GET_FUNC(AbortDoc);
  77     GET_FUNC(AbortPath);
  78     GET_FUNC(AngleArc);
  79     GET_FUNC(Arc);
  80     GET_FUNC(ArcTo);
  81     GET_FUNC(BeginPath);
  82     GET_FUNC(BitBlt);
  83     GET_FUNC(ChoosePixelFormat);
  84     GET_FUNC(Chord);
  85     GET_FUNC(CloseFigure);
  86     GET_FUNC(CreateBitmap);
  87     GET_FUNC(CreateDC);
  88     GET_FUNC(CreateDIBSection);
  89     GET_FUNC(DeleteBitmap);
  90     GET_FUNC(DeleteDC);
  91     GET_FUNC(DescribePixelFormat);
  92     GET_FUNC(DeviceCapabilities);
  93     GET_FUNC(Ellipse);
  94     GET_FUNC(EndDoc);
  95     GET_FUNC(EndPage);
  96     GET_FUNC(EndPath);
  97     GET_FUNC(EnumDeviceFonts);
  98     GET_FUNC(ExcludeClipRect);
  99     GET_FUNC(ExtDeviceMode);
 100     GET_FUNC(ExtEscape);
 101     GET_FUNC(ExtFloodFill);
 102     GET_FUNC(ExtSelectClipRgn);
 103     GET_FUNC(ExtTextOut);
 104     GET_FUNC(FillPath);
 105     GET_FUNC(FillRgn);
 106     GET_FUNC(FlattenPath);
 107     GET_FUNC(FrameRgn);
 108     GET_FUNC(GdiComment);
 109     GET_FUNC(GetBitmapBits);
 110     GET_FUNC(GetCharWidth);
 111     GET_FUNC(GetDCOrgEx);
 112     GET_FUNC(GetDIBColorTable);
 113     GET_FUNC(GetDIBits);
 114     GET_FUNC(GetDeviceCaps);
 115     GET_FUNC(GetDeviceGammaRamp);
 116     GET_FUNC(GetNearestColor);
 117     GET_FUNC(GetPixel);
 118     GET_FUNC(GetPixelFormat);
 119     GET_FUNC(GetSystemPaletteEntries);
 120     GET_FUNC(GetTextExtentPoint);
 121     GET_FUNC(GetTextMetrics);
 122     GET_FUNC(IntersectClipRect);
 123     GET_FUNC(InvertRgn);
 124     GET_FUNC(LineTo);
 125     GET_FUNC(MoveTo);
 126     GET_FUNC(ModifyWorldTransform);
 127     GET_FUNC(OffsetClipRgn);
 128     GET_FUNC(OffsetViewportOrg);
 129     GET_FUNC(OffsetWindowOrg);
 130     GET_FUNC(PaintRgn);
 131     GET_FUNC(PatBlt);
 132     GET_FUNC(Pie);
 133     GET_FUNC(PolyBezier);
 134     GET_FUNC(PolyBezierTo);
 135     GET_FUNC(PolyDraw);
 136     GET_FUNC(PolyPolygon);
 137     GET_FUNC(PolyPolyline);
 138     GET_FUNC(Polygon);
 139     GET_FUNC(Polyline);
 140     GET_FUNC(PolylineTo);
 141     GET_FUNC(RealizeDefaultPalette);
 142     GET_FUNC(RealizePalette);
 143     GET_FUNC(Rectangle);
 144     GET_FUNC(ResetDC);
 145     GET_FUNC(RestoreDC);
 146     GET_FUNC(RoundRect);
 147     GET_FUNC(SaveDC);
 148     GET_FUNC(ScaleViewportExt);
 149     GET_FUNC(ScaleWindowExt);
 150     GET_FUNC(SelectBitmap);
 151     GET_FUNC(SelectBrush);
 152     GET_FUNC(SelectClipPath);
 153     GET_FUNC(SelectFont);
 154     GET_FUNC(SelectPalette);
 155     GET_FUNC(SelectPen);
 156     GET_FUNC(SetArcDirection);
 157     GET_FUNC(SetBitmapBits);
 158     GET_FUNC(SetBkColor);
 159     GET_FUNC(SetBkMode);
 160     GET_FUNC(SetDCBrushColor);
 161     GET_FUNC(SetDCOrg);
 162     GET_FUNC(SetDCPenColor);
 163     GET_FUNC(SetDIBColorTable);
 164     GET_FUNC(SetDIBits);
 165     GET_FUNC(SetDIBitsToDevice);
 166     GET_FUNC(SetDeviceClipping);
 167     GET_FUNC(SetDeviceGammaRamp);
 168     GET_FUNC(SetMapMode);
 169     GET_FUNC(SetMapperFlags);
 170     GET_FUNC(SetPixel);
 171     GET_FUNC(SetPixelFormat);
 172     GET_FUNC(SetPolyFillMode);
 173     GET_FUNC(SetROP2);
 174     GET_FUNC(SetRelAbs);
 175     GET_FUNC(SetStretchBltMode);
 176     GET_FUNC(SetTextAlign);
 177     GET_FUNC(SetTextCharacterExtra);
 178     GET_FUNC(SetTextColor);
 179     GET_FUNC(SetTextJustification);
 180     GET_FUNC(SetViewportExt);
 181     GET_FUNC(SetViewportOrg);
 182     GET_FUNC(SetWindowExt);
 183     GET_FUNC(SetWindowOrg);
 184     GET_FUNC(SetWorldTransform);
 185     GET_FUNC(StartDoc);
 186     GET_FUNC(StartPage);
 187     GET_FUNC(StretchBlt);
 188     GET_FUNC(StretchDIBits);
 189     GET_FUNC(StrokeAndFillPath);
 190     GET_FUNC(StrokePath);
 191     GET_FUNC(SwapBuffers);
 192     GET_FUNC(WidenPath);
 193 #undef GET_FUNC
 194
 195     /* add it to the list */
 196     driver->prev = NULL;
 197     if ((driver->next = first_driver)) driver->next->prev = driver;
 198     first_driver = driver;
 199     return driver;
 200 }
 201
 202
 203 /**********************************************************************
 204  *           load_display_driver
 205  *
 206  * Special case for loading the display driver: get the name from the config file
 207  */
 208 static struct graphics_driver *load_display_driver(void)
 209 {
 210     char buffer[MAX_PATH];
 211     HMODULE module;
 212     HKEY hkey;
 213
 214     if (display_driver)  /* already loaded */
 215     {
 216         display_driver->count++;
 217         return display_driver;
 218     }
 219
 220     strcpy( buffer, "x11drv" );  /* default value */
 221     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
 222     {
 223         DWORD type, count = sizeof(buffer);
 224         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
 225         RegCloseKey( hkey );
 226     }
 227
 228     if (!(module = LoadLibraryA( buffer )))
 229     {
 230         MESSAGE( "Could not load graphics driver '%s'\n", buffer );
 231         return NULL;
 232     }
 233
 234     if (!(display_driver = create_driver( module )))
 235     {
 236         MESSAGE( "Could not create graphics driver '%s'\n", buffer );
 237         FreeLibrary( module );
 238         return NULL;
 239     }
 240
 241     display_driver->count++;  /* we don't want to free it */
 242     return display_driver;
 243 }
 244
 245
 246 /**********************************************************************
 247  *           DRIVER_load_driver
 248  */
 249 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
 250 {
 251     HMODULE module;
 252     struct graphics_driver *driver;
 253     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 254
 255     EnterCriticalSection( &driver_section );
 256
 257     /* display driver is a special case */
 258     if (!strcmpiW( name, displayW ))
 259     {
 260         driver = load_display_driver();
 261         LeaveCriticalSection( &driver_section );
 262         return &driver->funcs;
 263     }
 264
 265     if ((module = GetModuleHandleW( name )))
 266     {
 267         for (driver = first_driver; driver; driver = driver->next)
 268         {
 269             if (driver->module == module)
 270             {
 271                 driver->count++;
 272                 LeaveCriticalSection( &driver_section );
 273                 return &driver->funcs;
 274             }
 275         }
 276     }
 277
 278     if (!(module = LoadLibraryW( name )))
 279     {
 280         LeaveCriticalSection( &driver_section );
 281         return NULL;
 282     }
 283
 284     if (!(driver = create_driver( module )))
 285     {
 286         FreeLibrary( module );
 287         LeaveCriticalSection( &driver_section );
 288         return NULL;
 289     }
 290
 291     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 292     LeaveCriticalSection( &driver_section );
 293     return &driver->funcs;
 294 }
 295
 296
 297 /**********************************************************************
 298  *           DRIVER_get_driver
 299  *
 300  * Get a new copy of an existing driver.
 301  */
 302 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
 303 {
 304     struct graphics_driver *driver;
 305
 306     EnterCriticalSection( &driver_section );
 307     for (driver = first_driver; driver; driver = driver->next)
 308         if (&driver->funcs == funcs) break;
 309     if (!driver) ERR( "driver not found, trouble ahead\n" );
 310     driver->count++;
 311     LeaveCriticalSection( &driver_section );
 312     return funcs;
 313 }
 314
 315
 316 /**********************************************************************
 317  *           DRIVER_release_driver
 318  *
 319  * Release a driver by decrementing ref count and freeing it if needed.
 320  */
 321 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
 322 {
 323     struct graphics_driver *driver;
 324
 325     EnterCriticalSection( &driver_section );
 326
 327     for (driver = first_driver; driver; driver = driver->next)
 328         if (&driver->funcs == funcs) break;
 329
 330     if (!driver) goto done;
 331     if (--driver->count) goto done;
 332
 333     /* removed last reference, free it */
 334     if (driver->next) driver->next->prev = driver->prev;
 335     if (driver->prev) driver->prev->next = driver->next;
 336     else first_driver = driver->next;
 337     if (driver == display_driver) display_driver = NULL;
 338
 339     FreeLibrary( driver->module );
 340     HeapFree( GetProcessHeap(), 0, driver );
 341  done:
 342     LeaveCriticalSection( &driver_section );
 343 }
 344
 345
 346 /*****************************************************************************
 347  *      DRIVER_GetDriverName
 348  *
 349  */
 350 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 351 {
 352     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 353     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 354     static const WCHAR empty_strW[] = { 0 };
 355     WCHAR *p;
 356
 357     /* display is a special case */
 358     if (!strcmpiW( device, displayW ))
 359     {
 360         lstrcpynW( driver, displayW, size );
 361         return TRUE;
 362     }
 363
 364     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 365     if(!size) {
 366         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 367         return FALSE;
 368     }
 369     p = strchrW(driver, ',');
 370     if(!p)
 371     {
 372         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 373         return FALSE;
 374     }
 375     *p = 0;
 376     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 377     return TRUE;
 378 }
 379
 380
 381 /***********************************************************************
 382  *           GdiConvertToDevmodeW    (GDI32.@)
 383  */
 384 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 385 {
 386     DEVMODEW *dmW;
 387     WORD dmW_size;
 388
 389     dmW_size = dmA->dmSize + CCHDEVICENAME;
 390     if (dmA->dmSize >= (char *)dmA->dmFormName - (char *)dmA + CCHFORMNAME)
 391         dmW_size += CCHFORMNAME;
 392
 393     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 394     if (!dmW) return NULL;
 395
 396     MultiByteToWideChar(CP_ACP, 0, dmA->dmDeviceName, CCHDEVICENAME,
 397                                    dmW->dmDeviceName, CCHDEVICENAME);
 398     /* copy slightly more, to avoid long computations */
 399     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA->dmSize - CCHDEVICENAME);
 400
 401     if (dmA->dmSize >= (char *)dmA->dmFormName - (char *)dmA + CCHFORMNAME)
 402     {
 403         MultiByteToWideChar(CP_ACP, 0, dmA->dmFormName, CCHFORMNAME,
 404                                        dmW->dmFormName, CCHFORMNAME);
 405         if (dmA->dmSize > (char *)&dmA->dmLogPixels - (char *)dmA)
 406             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA->dmSize - ((char *)&dmA->dmLogPixels - (char *)dmA));
 407     }
 408
 409     if (dmA->dmDriverExtra)
 410         memcpy((char *)dmW + dmW_size, (char *)dmA + dmA->dmSize, dmA->dmDriverExtra);
 411
 412     dmW->dmSize = dmW_size;
 413
 414     return dmW;
 415 }
 416
 417
 418 /*****************************************************************************
 419  *      @ [GDI32.100]
 420  *
 421  * This should thunk to 16-bit and simply call the proc with the given args.
 422  */
 423 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 424                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 425 {
 426     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 427     return -1;
 428 }
 429
 430 /*****************************************************************************
 431  *      @ [GDI32.101]
 432  *
 433  * This should load the correct driver for lpszDevice and calls this driver's
 434  * ExtDeviceModePropSheet proc.
 435  *
 436  * Note: The driver calls a callback routine for each property sheet page; these
 437  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 438  * The layout of this structure is:
 439  *
 440  * struct
 441  * {
 442  *   DWORD  nPages;
 443  *   DWORD  unknown;
 444  *   HPROPSHEETPAGE  pages[10];
 445  * };
 446  */
 447 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 448                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 449 {
 450     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 451     return -1;
 452 }
 453
 454 /*****************************************************************************
 455  *      @ [GDI32.102]
 456  *
 457  * This should load the correct driver for lpszDevice and calls this driver's
 458  * ExtDeviceMode proc.
 459  *
 460  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 461  */
 462 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 463                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 464                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 465                                     LPSTR lpszProfile, DWORD fwMode )
 466 {
 467     WCHAR deviceW[300];
 468     WCHAR bufW[300];
 469     char buf[300];
 470     HDC hdc;
 471     DC *dc;
 472     INT ret = -1;
 473     INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
 474
 475     TRACE("(%p, %p, %s, %s, %p, %s, %ld)\n",
 476           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 477
 478     if (!lpszDevice) return -1;
 479     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 480
 481     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 482
 483     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 484
 485     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 486
 487     if ((dc = DC_GetDCPtr( hdc )))
 488     {
 489         pExtDeviceMode = dc->funcs->pExtDeviceMode;
 490         GDI_ReleaseObj( hdc );
 491         if (pExtDeviceMode)
 492             ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 493                                             lpdmInput, lpszProfile, fwMode);
 494     }
 495     DeleteDC( hdc );
 496     return ret;
 497 }
 498
 499 /****************************************************************************
 500  *      @ [GDI32.103]
 501  *
 502  * This should load the correct driver for lpszDevice and calls this driver's
 503  * AdvancedSetupDialog proc.
 504  */
 505 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 506                                           LPDEVMODEA devin, LPDEVMODEA devout )
 507 {
 508     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
 509     return -1;
 510 }
 511
 512 /*****************************************************************************
 513  *      @ [GDI32.104]
 514  *
 515  * This should load the correct driver for lpszDevice and calls this driver's
 516  * DeviceCapabilities proc.
 517  *
 518  * FIXME: convert DeviceCapabilities to unicode in the driver interface
 519  */
 520 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
 521                                            WORD fwCapability, LPSTR lpszOutput,
 522                                            LPDEVMODEA lpdm )
 523 {
 524     WCHAR deviceW[300];
 525     WCHAR bufW[300];
 526     char buf[300];
 527     HDC hdc;
 528     DC *dc;
 529     INT ret = -1;
 530
 531     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
 532
 533     if (!lpszDevice) return -1;
 534     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 535
 536     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 537
 538     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 539
 540     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 541
 542     if ((dc = DC_GetDCPtr( hdc )))
 543     {
 544         if (dc->funcs->pDeviceCapabilities)
 545             ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
 546                                                   fwCapability, lpszOutput, lpdm );
 547         GDI_ReleaseObj( hdc );
 548     }
 549     DeleteDC( hdc );
 550     return ret;
 551 }