2 * Graphics driver management functions
4 * Copyright 1994 Bob Amstadt
5 * Copyright 1996, 2001 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
32 #include "gdi_private.h"
33 #include "wine/unicode.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(driver);
38 struct graphics_driver
40 struct graphics_driver *next;
41 struct graphics_driver *prev;
42 HMODULE module; /* module handle */
43 unsigned int count; /* reference count */
47 static struct graphics_driver *first_driver;
48 static struct graphics_driver *display_driver;
50 static CRITICAL_SECTION driver_section;
51 static CRITICAL_SECTION_DEBUG critsect_debug =
53 0, 0, &driver_section,
54 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
55 0, 0, { 0, (DWORD)(__FILE__ ": driver_section") }
57 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
59 /**********************************************************************
62 * Allocate and fill the driver structure for a given module.
64 static struct graphics_driver *create_driver( HMODULE module )
66 struct graphics_driver *driver;
68 if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
71 driver->module = module;
74 /* fill the function table */
76 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
85 GET_FUNC(ChoosePixelFormat);
87 GET_FUNC(CloseFigure);
88 GET_FUNC(CreateBitmap);
90 GET_FUNC(CreateDIBSection);
91 GET_FUNC(DeleteBitmap);
93 GET_FUNC(DescribePixelFormat);
94 GET_FUNC(DeviceCapabilities);
99 GET_FUNC(EnumDeviceFonts);
100 GET_FUNC(ExcludeClipRect);
101 GET_FUNC(ExtDeviceMode);
103 GET_FUNC(ExtFloodFill);
104 GET_FUNC(ExtSelectClipRgn);
105 GET_FUNC(ExtTextOut);
108 GET_FUNC(FlattenPath);
110 GET_FUNC(GdiComment);
111 GET_FUNC(GetBitmapBits);
112 GET_FUNC(GetCharWidth);
113 GET_FUNC(GetDCOrgEx);
114 GET_FUNC(GetDIBColorTable);
116 GET_FUNC(GetDeviceCaps);
117 GET_FUNC(GetDeviceGammaRamp);
118 GET_FUNC(GetNearestColor);
120 GET_FUNC(GetPixelFormat);
121 GET_FUNC(GetSystemPaletteEntries);
122 GET_FUNC(GetTextExtentPoint);
123 GET_FUNC(GetTextMetrics);
124 GET_FUNC(IntersectClipRect);
128 GET_FUNC(ModifyWorldTransform);
129 GET_FUNC(OffsetClipRgn);
130 GET_FUNC(OffsetViewportOrg);
131 GET_FUNC(OffsetWindowOrg);
135 GET_FUNC(PolyBezier);
136 GET_FUNC(PolyBezierTo);
138 GET_FUNC(PolyPolygon);
139 GET_FUNC(PolyPolyline);
142 GET_FUNC(PolylineTo);
143 GET_FUNC(RealizeDefaultPalette);
144 GET_FUNC(RealizePalette);
150 GET_FUNC(ScaleViewportExt);
151 GET_FUNC(ScaleWindowExt);
152 GET_FUNC(SelectBitmap);
153 GET_FUNC(SelectBrush);
154 GET_FUNC(SelectClipPath);
155 GET_FUNC(SelectFont);
156 GET_FUNC(SelectPalette);
158 GET_FUNC(SetArcDirection);
159 GET_FUNC(SetBitmapBits);
160 GET_FUNC(SetBkColor);
162 GET_FUNC(SetDCBrushColor);
164 GET_FUNC(SetDCPenColor);
165 GET_FUNC(SetDIBColorTable);
167 GET_FUNC(SetDIBitsToDevice);
168 GET_FUNC(SetDeviceClipping);
169 GET_FUNC(SetDeviceGammaRamp);
170 GET_FUNC(SetMapMode);
171 GET_FUNC(SetMapperFlags);
173 GET_FUNC(SetPixelFormat);
174 GET_FUNC(SetPolyFillMode);
177 GET_FUNC(SetStretchBltMode);
178 GET_FUNC(SetTextAlign);
179 GET_FUNC(SetTextCharacterExtra);
180 GET_FUNC(SetTextColor);
181 GET_FUNC(SetTextJustification);
182 GET_FUNC(SetViewportExt);
183 GET_FUNC(SetViewportOrg);
184 GET_FUNC(SetWindowExt);
185 GET_FUNC(SetWindowOrg);
186 GET_FUNC(SetWorldTransform);
189 GET_FUNC(StretchBlt);
190 GET_FUNC(StretchDIBits);
191 GET_FUNC(StrokeAndFillPath);
192 GET_FUNC(StrokePath);
193 GET_FUNC(SwapBuffers);
197 /* add it to the list */
199 if ((driver->next = first_driver)) driver->next->prev = driver;
200 first_driver = driver;
205 /**********************************************************************
206 * load_display_driver
208 * Special case for loading the display driver: get the name from the config file
210 static struct graphics_driver *load_display_driver(void)
212 char buffer[MAX_PATH], *name, *next;
216 if (display_driver) /* already loaded */
218 display_driver->count++;
219 return display_driver;
222 strcpy( buffer, "x11drv,ttydrv" ); /* default value */
223 if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
225 DWORD type, count = sizeof(buffer);
226 RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
233 next = strchr( name, ',' );
234 if (next) *next++ = 0;
236 if ((module = LoadLibraryA( name )) != 0) break;
241 MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
242 if (!strcasecmp( buffer, "x11drv" ))
243 MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
247 if (!(display_driver = create_driver( module )))
249 MESSAGE( "Could not create graphics driver '%s'\n", buffer );
250 FreeLibrary( module );
254 display_driver->count++; /* we don't want to free it */
255 return display_driver;
259 /**********************************************************************
262 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
265 struct graphics_driver *driver;
266 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
268 EnterCriticalSection( &driver_section );
270 /* display driver is a special case */
271 if (!strcmpiW( name, displayW ))
273 driver = load_display_driver();
274 LeaveCriticalSection( &driver_section );
275 return &driver->funcs;
278 if ((module = GetModuleHandleW( name )))
280 for (driver = first_driver; driver; driver = driver->next)
282 if (driver->module == module)
285 LeaveCriticalSection( &driver_section );
286 return &driver->funcs;
291 if (!(module = LoadLibraryW( name )))
293 LeaveCriticalSection( &driver_section );
297 if (!(driver = create_driver( module )))
299 FreeLibrary( module );
300 LeaveCriticalSection( &driver_section );
304 TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
305 LeaveCriticalSection( &driver_section );
306 return &driver->funcs;
310 /**********************************************************************
313 * Get a new copy of an existing driver.
315 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
317 struct graphics_driver *driver;
319 EnterCriticalSection( &driver_section );
320 for (driver = first_driver; driver; driver = driver->next)
321 if (&driver->funcs == funcs) break;
322 if (!driver) ERR( "driver not found, trouble ahead\n" );
324 LeaveCriticalSection( &driver_section );
329 /**********************************************************************
330 * DRIVER_release_driver
332 * Release a driver by decrementing ref count and freeing it if needed.
334 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
336 struct graphics_driver *driver;
338 EnterCriticalSection( &driver_section );
340 for (driver = first_driver; driver; driver = driver->next)
341 if (&driver->funcs == funcs) break;
343 if (!driver) goto done;
344 if (--driver->count) goto done;
346 /* removed last reference, free it */
347 if (driver->next) driver->next->prev = driver->prev;
348 if (driver->prev) driver->prev->next = driver->next;
349 else first_driver = driver->next;
350 if (driver == display_driver) display_driver = NULL;
352 FreeLibrary( driver->module );
353 HeapFree( GetProcessHeap(), 0, driver );
355 LeaveCriticalSection( &driver_section );
359 /*****************************************************************************
360 * DRIVER_GetDriverName
363 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
365 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
366 static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
367 static const WCHAR empty_strW[] = { 0 };
370 /* display is a special case */
371 if (!strcmpiW( device, displayW ))
373 lstrcpynW( driver, displayW, size );
377 size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
379 WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
382 p = strchrW(driver, ',');
385 WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
389 TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
394 /***********************************************************************
395 * GdiConvertToDevmodeW (GDI32.@)
397 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
402 dmW_size = dmA->dmSize + CCHDEVICENAME;
403 if (dmA->dmSize >= (char *)dmA->dmFormName - (char *)dmA + CCHFORMNAME)
404 dmW_size += CCHFORMNAME;
406 dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
407 if (!dmW) return NULL;
409 MultiByteToWideChar(CP_ACP, 0, dmA->dmDeviceName, CCHDEVICENAME,
410 dmW->dmDeviceName, CCHDEVICENAME);
411 /* copy slightly more, to avoid long computations */
412 memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA->dmSize - CCHDEVICENAME);
414 if (dmA->dmSize >= (char *)dmA->dmFormName - (char *)dmA + CCHFORMNAME)
416 MultiByteToWideChar(CP_ACP, 0, dmA->dmFormName, CCHFORMNAME,
417 dmW->dmFormName, CCHFORMNAME);
418 if (dmA->dmSize > (char *)&dmA->dmLogPixels - (char *)dmA)
419 memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA->dmSize - ((char *)&dmA->dmLogPixels - (char *)dmA));
422 if (dmA->dmDriverExtra)
423 memcpy((char *)dmW + dmW_size, (char *)dmA + dmA->dmSize, dmA->dmDriverExtra);
425 dmW->dmSize = dmW_size;
431 /*****************************************************************************
434 * This should thunk to 16-bit and simply call the proc with the given args.
436 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
437 LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
439 FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
443 /*****************************************************************************
446 * This should load the correct driver for lpszDevice and calls this driver's
447 * ExtDeviceModePropSheet proc.
449 * Note: The driver calls a callback routine for each property sheet page; these
450 * pages are supposed to be filled into the structure pointed to by lpPropSheet.
451 * The layout of this structure is:
457 * HPROPSHEETPAGE pages[10];
460 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
461 LPCSTR lpszPort, LPVOID lpPropSheet )
463 FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
467 /*****************************************************************************
470 * This should load the correct driver for lpszDevice and calls this driver's
471 * ExtDeviceMode proc.
473 * FIXME: convert ExtDeviceMode to unicode in the driver interface
475 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
476 LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
477 LPSTR lpszPort, LPDEVMODEA lpdmInput,
478 LPSTR lpszProfile, DWORD fwMode )
486 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
488 TRACE("(%p, %p, %s, %s, %p, %s, %ld)\n",
489 hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
491 if (!lpszDevice) return -1;
492 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
494 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
496 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
498 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
500 if ((dc = DC_GetDCPtr( hdc )))
502 pExtDeviceMode = dc->funcs->pExtDeviceMode;
503 GDI_ReleaseObj( hdc );
505 ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
506 lpdmInput, lpszProfile, fwMode);
512 /****************************************************************************
515 * This should load the correct driver for lpszDevice and calls this driver's
516 * AdvancedSetupDialog proc.
518 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
519 LPDEVMODEA devin, LPDEVMODEA devout )
521 TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
525 /*****************************************************************************
528 * This should load the correct driver for lpszDevice and calls this driver's
529 * DeviceCapabilities proc.
531 * FIXME: convert DeviceCapabilities to unicode in the driver interface
533 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
534 WORD fwCapability, LPSTR lpszOutput,
544 TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
546 if (!lpszDevice) return -1;
547 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
549 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
551 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
553 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
555 if ((dc = DC_GetDCPtr( hdc )))
557 if (dc->funcs->pDeviceCapabilities)
558 ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
559 fwCapability, lpszOutput, lpdm );
560 GDI_ReleaseObj( hdc );
567 /************************************************************************
570 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
578 return AbortDoc( hdc );
581 return EndDoc( hdc );
583 case GETPHYSPAGESIZE:
585 pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
586 pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
589 case GETPRINTINGOFFSET:
591 pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
592 pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
595 case GETSCALINGFACTOR:
597 pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
598 pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
602 return EndPage( hdc );
605 return SetAbortProc( hdc, (ABORTPROC)in_data );
612 /* in_data may not be 0 terminated so we must copy it */
615 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
616 memcpy( name, in_data, in_count );
619 /* out_data is actually a pointer to the DocInfo structure and used as
620 * a second input parameter */
621 if (out_data) doc = *(DOCINFOA *)out_data;
624 doc.cbSize = sizeof(doc);
625 doc.lpszOutput = NULL;
626 doc.lpszDatatype = NULL;
629 doc.lpszDocName = name;
630 ret = StartDocA( hdc, &doc );
631 if (name) HeapFree( GetProcessHeap(), 0, name );
632 if (ret > 0) ret = StartPage( hdc );
636 case QUERYESCSUPPORT:
638 INT *ptr = (INT *)in_data;
639 if (in_count < sizeof(INT)) return 0;
644 case GETPHYSPAGESIZE:
645 case GETPRINTINGOFFSET:
646 case GETSCALINGFACTOR:
648 case QUERYESCSUPPORT:
657 /* if not handled internally, pass it to the driver */
658 return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
662 /******************************************************************************
663 * ExtEscape [GDI32.@]
666 * hdc [I] Handle to device context
667 * nEscape [I] Escape function
668 * cbInput [I] Number of bytes in input structure
669 * lpszInData [I] Pointer to input structure
670 * cbOutput [I] Number of bytes in output structure
671 * lpszOutData [O] Pointer to output structure
678 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
679 INT cbOutput, LPSTR lpszOutData )
682 DC * dc = DC_GetDCPtr( hdc );
685 if (dc->funcs->pExtEscape)
686 ret = dc->funcs->pExtEscape( dc->physDev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
687 GDI_ReleaseObj( hdc );
693 /*******************************************************************
694 * DrawEscape [GDI32.@]
698 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
700 FIXME("DrawEscape, stub\n");