git.oblomov.eu Git - wine/blob - objects/dc.c

   1 /*
   2  * GDI Device Context functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  */
   7
   8 #include "config.h"
   9
  10 #ifndef X_DISPLAY_MISSING
  11 #include "ts_xlib.h"
  12 #include "x11drv.h"
  13 #endif  /* !defined(X_DISPLAY_MISSING) */
  14
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include "dc.h"
  18 #include "gdi.h"
  19 #include "heap.h"
  20 #include "debugtools.h"
  21 #include "font.h"
  22 #include "winerror.h"
  23 #include "wine/winuser16.h"
  24
  25 DEFAULT_DEBUG_CHANNEL(dc)
  26
  27 /***********************************************************************
  28  *           DC_Init_DC_INFO
  29  *
  30  * Fill the WIN_DC_INFO structure.
  31  */
  32 static void DC_Init_DC_INFO( WIN_DC_INFO *win_dc_info )
  33 {
  34     win_dc_info->flags               = 0;
  35     win_dc_info->devCaps             = NULL;
  36     win_dc_info->hClipRgn            = 0;
  37     win_dc_info->hVisRgn             = 0;
  38     win_dc_info->hGCClipRgn          = 0;
  39     win_dc_info->hPen                = STOCK_BLACK_PEN;
  40     win_dc_info->hBrush              = STOCK_WHITE_BRUSH;
  41     win_dc_info->hFont               = STOCK_SYSTEM_FONT;
  42     win_dc_info->hBitmap             = 0;
  43     win_dc_info->hFirstBitmap        = 0;
  44     win_dc_info->hDevice             = 0;
  45     win_dc_info->hPalette            = STOCK_DEFAULT_PALETTE;
  46     win_dc_info->ROPmode             = R2_COPYPEN;
  47     win_dc_info->polyFillMode        = ALTERNATE;
  48     win_dc_info->stretchBltMode      = BLACKONWHITE;
  49     win_dc_info->relAbsMode          = ABSOLUTE;
  50     win_dc_info->backgroundMode      = OPAQUE;
  51     win_dc_info->backgroundColor     = RGB( 255, 255, 255 );
  52     win_dc_info->textColor           = RGB( 0, 0, 0 );
  53     win_dc_info->brushOrgX           = 0;
  54     win_dc_info->brushOrgY           = 0;
  55     win_dc_info->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
  56     win_dc_info->charExtra           = 0;
  57     win_dc_info->breakTotalExtra     = 0;
  58     win_dc_info->breakCount          = 0;
  59     win_dc_info->breakExtra          = 0;
  60     win_dc_info->breakRem            = 0;
  61     win_dc_info->bitsPerPixel        = 1;
  62     win_dc_info->MapMode             = MM_TEXT;
  63     win_dc_info->GraphicsMode        = GM_COMPATIBLE;
  64     win_dc_info->DCOrgX              = 0;
  65     win_dc_info->DCOrgY              = 0;
  66     win_dc_info->lpfnPrint           = NULL;
  67     win_dc_info->CursPosX            = 0;
  68     win_dc_info->CursPosY            = 0;
  69     win_dc_info->ArcDirection        = AD_COUNTERCLOCKWISE;
  70     win_dc_info->xformWorld2Wnd.eM11 = 1.0f;
  71     win_dc_info->xformWorld2Wnd.eM12 = 0.0f;
  72     win_dc_info->xformWorld2Wnd.eM21 = 0.0f;
  73     win_dc_info->xformWorld2Wnd.eM22 = 1.0f;
  74     win_dc_info->xformWorld2Wnd.eDx  = 0.0f;
  75     win_dc_info->xformWorld2Wnd.eDy  = 0.0f;
  76     win_dc_info->xformWorld2Vport    = win_dc_info->xformWorld2Wnd;
  77     win_dc_info->xformVport2World    = win_dc_info->xformWorld2Wnd;
  78     win_dc_info->vport2WorldValid    = TRUE;
  79
  80     PATH_InitGdiPath(&win_dc_info->path);
  81 }
  82
  83
  84 /***********************************************************************
  85  *           DC_AllocDC
  86  */
  87 DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
  88 {
  89     HDC16 hdc;
  90     DC *dc;
  91
  92     if (!(hdc = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return NULL;
  93     dc = (DC *) GDI_HEAP_LOCK( hdc );
  94
  95     dc->hSelf      = hdc;
  96     dc->funcs      = funcs;
  97     dc->physDev    = NULL;
  98     dc->saveLevel  = 0;
  99     dc->dwHookData = 0L;
 100     dc->hookProc   = NULL;
 101     dc->wndOrgX    = 0;
 102     dc->wndOrgY    = 0;
 103     dc->wndExtX    = 1;
 104     dc->wndExtY    = 1;
 105     dc->vportOrgX  = 0;
 106     dc->vportOrgY  = 0;
 107     dc->vportExtX  = 1;
 108     dc->vportExtY  = 1;
 109
 110     DC_Init_DC_INFO( &dc->w );
 111
 112     return dc;
 113 }
 114
 115
 116
 117 /***********************************************************************
 118  *           DC_GetDCPtr
 119  */
 120 DC *DC_GetDCPtr( HDC hdc )
 121 {
 122     GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LOCK( hdc );
 123     if (!ptr) return NULL;
 124     if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC) ||
 125         (ptr->wMagic == ENHMETAFILE_DC_MAGIC))
 126         return (DC *)ptr;
 127     GDI_HEAP_UNLOCK( hdc );
 128     return NULL;
 129 }
 130
 131
 132 /***********************************************************************
 133  *           DC_InitDC
 134  *
 135  * Setup device-specific DC values for a newly created DC.
 136  */
 137 void DC_InitDC( DC* dc )
 138 {
 139     RealizeDefaultPalette16( dc->hSelf );
 140     SetTextColor( dc->hSelf, dc->w.textColor );
 141     SetBkColor( dc->hSelf, dc->w.backgroundColor );
 142     SelectObject( dc->hSelf, dc->w.hPen );
 143     SelectObject( dc->hSelf, dc->w.hBrush );
 144     SelectObject( dc->hSelf, dc->w.hFont );
 145     CLIPPING_UpdateGCRegion( dc );
 146 }
 147
 148
 149 /***********************************************************************
 150  *           DC_InvertXform
 151  *
 152  * Computes the inverse of the transformation xformSrc and stores it to
 153  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 154  * is singular.
 155  */
 156 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 157 {
 158     FLOAT determinant;
 159
 160     determinant = xformSrc->eM11*xformSrc->eM22 -
 161         xformSrc->eM12*xformSrc->eM21;
 162     if (determinant > -1e-12 && determinant < 1e-12)
 163         return FALSE;
 164
 165     xformDest->eM11 =  xformSrc->eM22 / determinant;
 166     xformDest->eM12 = -xformSrc->eM12 / determinant;
 167     xformDest->eM21 = -xformSrc->eM21 / determinant;
 168     xformDest->eM22 =  xformSrc->eM11 / determinant;
 169     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 170                        xformSrc->eDy * xformDest->eM21;
 171     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 172                        xformSrc->eDy * xformDest->eM22;
 173
 174     return TRUE;
 175 }
 176
 177
 178 /***********************************************************************
 179  *           DC_UpdateXforms
 180  *
 181  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 182  * fields of the specified DC by creating a transformation that
 183  * represents the current mapping mode and combining it with the DC's
 184  * world transform. This function should be called whenever the
 185  * parameters associated with the mapping mode (window and viewport
 186  * extents and origins) or the world transform change.
 187  */
 188 void DC_UpdateXforms( DC *dc )
 189 {
 190     XFORM xformWnd2Vport;
 191     FLOAT scaleX, scaleY;
 192
 193     /* Construct a transformation to do the window-to-viewport conversion */
 194     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 195     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 196     xformWnd2Vport.eM11 = scaleX;
 197     xformWnd2Vport.eM12 = 0.0;
 198     xformWnd2Vport.eM21 = 0.0;
 199     xformWnd2Vport.eM22 = scaleY;
 200     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 201         scaleX * (FLOAT)dc->wndOrgX;
 202     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 203         scaleY * (FLOAT)dc->wndOrgY;
 204
 205     /* Combine with the world transformation */
 206     CombineTransform( &dc->w.xformWorld2Vport, &dc->w.xformWorld2Wnd,
 207         &xformWnd2Vport );
 208
 209     /* Create inverse of world-to-viewport transformation */
 210     dc->w.vport2WorldValid = DC_InvertXform( &dc->w.xformWorld2Vport,
 211         &dc->w.xformVport2World );
 212 }
 213
 214
 215 /***********************************************************************
 216  *           GetDCState    (GDI.179)
 217  */
 218 HDC16 WINAPI GetDCState16( HDC16 hdc )
 219 {
 220     DC * newdc, * dc;
 221     HGDIOBJ16 handle;
 222
 223     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
 224     if (!(handle = GDI_AllocObject( sizeof(DC), DC_MAGIC )))
 225     {
 226       GDI_HEAP_UNLOCK( hdc );
 227       return 0;
 228     }
 229     newdc = (DC *) GDI_HEAP_LOCK( handle );
 230
 231     TRACE("(%04x): returning %04x\n", hdc, handle );
 232
 233     newdc->w.flags            = dc->w.flags | DC_SAVED;
 234     newdc->w.devCaps          = dc->w.devCaps;
 235     newdc->w.hPen             = dc->w.hPen;
 236     newdc->w.hBrush           = dc->w.hBrush;
 237     newdc->w.hFont            = dc->w.hFont;
 238     newdc->w.hBitmap          = dc->w.hBitmap;
 239     newdc->w.hFirstBitmap     = dc->w.hFirstBitmap;
 240     newdc->w.hDevice          = dc->w.hDevice;
 241     newdc->w.hPalette         = dc->w.hPalette;
 242     newdc->w.totalExtent      = dc->w.totalExtent;
 243     newdc->w.bitsPerPixel     = dc->w.bitsPerPixel;
 244     newdc->w.ROPmode          = dc->w.ROPmode;
 245     newdc->w.polyFillMode     = dc->w.polyFillMode;
 246     newdc->w.stretchBltMode   = dc->w.stretchBltMode;
 247     newdc->w.relAbsMode       = dc->w.relAbsMode;
 248     newdc->w.backgroundMode   = dc->w.backgroundMode;
 249     newdc->w.backgroundColor  = dc->w.backgroundColor;
 250     newdc->w.textColor        = dc->w.textColor;
 251     newdc->w.brushOrgX        = dc->w.brushOrgX;
 252     newdc->w.brushOrgY        = dc->w.brushOrgY;
 253     newdc->w.textAlign        = dc->w.textAlign;
 254     newdc->w.charExtra        = dc->w.charExtra;
 255     newdc->w.breakTotalExtra  = dc->w.breakTotalExtra;
 256     newdc->w.breakCount       = dc->w.breakCount;
 257     newdc->w.breakExtra       = dc->w.breakExtra;
 258     newdc->w.breakRem         = dc->w.breakRem;
 259     newdc->w.MapMode          = dc->w.MapMode;
 260     newdc->w.GraphicsMode     = dc->w.GraphicsMode;
 261 #if 0
 262     /* Apparently, the DC origin is not changed by [GS]etDCState */
 263     newdc->w.DCOrgX           = dc->w.DCOrgX;
 264     newdc->w.DCOrgY           = dc->w.DCOrgY;
 265 #endif
 266     newdc->w.CursPosX         = dc->w.CursPosX;
 267     newdc->w.CursPosY         = dc->w.CursPosY;
 268     newdc->w.ArcDirection     = dc->w.ArcDirection;
 269     newdc->w.xformWorld2Wnd   = dc->w.xformWorld2Wnd;
 270     newdc->w.xformWorld2Vport = dc->w.xformWorld2Vport;
 271     newdc->w.xformVport2World = dc->w.xformVport2World;
 272     newdc->w.vport2WorldValid = dc->w.vport2WorldValid;
 273     newdc->wndOrgX            = dc->wndOrgX;
 274     newdc->wndOrgY            = dc->wndOrgY;
 275     newdc->wndExtX            = dc->wndExtX;
 276     newdc->wndExtY            = dc->wndExtY;
 277     newdc->vportOrgX          = dc->vportOrgX;
 278     newdc->vportOrgY          = dc->vportOrgY;
 279     newdc->vportExtX          = dc->vportExtX;
 280     newdc->vportExtY          = dc->vportExtY;
 281
 282     newdc->hSelf = (HDC)handle;
 283     newdc->saveLevel = 0;
 284
 285     PATH_InitGdiPath( &newdc->w.path );
 286
 287     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 288
 289     newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0;
 290     if (dc->w.hClipRgn)
 291     {
 292         newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 293         CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
 294     }
 295     else
 296         newdc->w.hClipRgn = 0;
 297     GDI_HEAP_UNLOCK( handle );
 298     GDI_HEAP_UNLOCK( hdc );
 299     return handle;
 300 }
 301
 302
 303 /***********************************************************************
 304  *           SetDCState    (GDI.180)
 305  */
 306 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 307 {
 308     DC *dc, *dcs;
 309
 310     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 311     if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 312     {
 313       GDI_HEAP_UNLOCK( hdc );
 314       return;
 315     }
 316     if (!dcs->w.flags & DC_SAVED)
 317     {
 318       GDI_HEAP_UNLOCK( hdc );
 319       GDI_HEAP_UNLOCK( hdcs );
 320       return;
 321     }
 322     TRACE("%04x %04x\n", hdc, hdcs );
 323
 324     dc->w.flags            = dcs->w.flags & ~DC_SAVED;
 325     dc->w.devCaps          = dcs->w.devCaps;
 326     dc->w.hFirstBitmap     = dcs->w.hFirstBitmap;
 327     dc->w.hDevice          = dcs->w.hDevice;
 328     dc->w.totalExtent      = dcs->w.totalExtent;
 329     dc->w.ROPmode          = dcs->w.ROPmode;
 330     dc->w.polyFillMode     = dcs->w.polyFillMode;
 331     dc->w.stretchBltMode   = dcs->w.stretchBltMode;
 332     dc->w.relAbsMode       = dcs->w.relAbsMode;
 333     dc->w.backgroundMode   = dcs->w.backgroundMode;
 334     dc->w.backgroundColor  = dcs->w.backgroundColor;
 335     dc->w.textColor        = dcs->w.textColor;
 336     dc->w.brushOrgX        = dcs->w.brushOrgX;
 337     dc->w.brushOrgY        = dcs->w.brushOrgY;
 338     dc->w.textAlign        = dcs->w.textAlign;
 339     dc->w.charExtra        = dcs->w.charExtra;
 340     dc->w.breakTotalExtra  = dcs->w.breakTotalExtra;
 341     dc->w.breakCount       = dcs->w.breakCount;
 342     dc->w.breakExtra       = dcs->w.breakExtra;
 343     dc->w.breakRem         = dcs->w.breakRem;
 344     dc->w.MapMode          = dcs->w.MapMode;
 345     dc->w.GraphicsMode     = dcs->w.GraphicsMode;
 346 #if 0
 347     /* Apparently, the DC origin is not changed by [GS]etDCState */
 348     dc->w.DCOrgX           = dcs->w.DCOrgX;
 349     dc->w.DCOrgY           = dcs->w.DCOrgY;
 350 #endif
 351     dc->w.CursPosX         = dcs->w.CursPosX;
 352     dc->w.CursPosY         = dcs->w.CursPosY;
 353     dc->w.ArcDirection     = dcs->w.ArcDirection;
 354     dc->w.xformWorld2Wnd   = dcs->w.xformWorld2Wnd;
 355     dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
 356     dc->w.xformVport2World = dcs->w.xformVport2World;
 357     dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
 358
 359     dc->wndOrgX            = dcs->wndOrgX;
 360     dc->wndOrgY            = dcs->wndOrgY;
 361     dc->wndExtX            = dcs->wndExtX;
 362     dc->wndExtY            = dcs->wndExtY;
 363     dc->vportOrgX          = dcs->vportOrgX;
 364     dc->vportOrgY          = dcs->vportOrgY;
 365     dc->vportExtX          = dcs->vportExtX;
 366     dc->vportExtY          = dcs->vportExtY;
 367
 368     if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
 369
 370     if (dcs->w.hClipRgn)
 371     {
 372         if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 373         CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
 374     }
 375     else
 376     {
 377         if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn );
 378         dc->w.hClipRgn = 0;
 379     }
 380     CLIPPING_UpdateGCRegion( dc );
 381
 382     SelectObject( hdc, dcs->w.hBitmap );
 383     SelectObject( hdc, dcs->w.hBrush );
 384     SelectObject( hdc, dcs->w.hFont );
 385     SelectObject( hdc, dcs->w.hPen );
 386     SetBkColor( hdc, dcs->w.backgroundColor);
 387     SetTextColor( hdc, dcs->w.textColor);
 388     GDISelectPalette16( hdc, dcs->w.hPalette, FALSE );
 389     GDI_HEAP_UNLOCK( hdc );
 390     GDI_HEAP_UNLOCK( hdcs );
 391 }
 392
 393
 394 /***********************************************************************
 395  *           SaveDC16    (GDI.30)
 396  */
 397 INT16 WINAPI SaveDC16( HDC16 hdc )
 398 {
 399     return (INT16)SaveDC( hdc );
 400 }
 401
 402
 403 /***********************************************************************
 404  *           SaveDC32    (GDI32.292)
 405  */
 406 INT WINAPI SaveDC( HDC hdc )
 407 {
 408     HDC hdcs;
 409     DC * dc, * dcs;
 410     INT ret;
 411
 412     dc = DC_GetDCPtr( hdc );
 413     if (!dc) return 0;
 414
 415     if(dc->funcs->pSaveDC)
 416         return dc->funcs->pSaveDC( dc );
 417
 418     if (!(hdcs = GetDCState16( hdc )))
 419     {
 420       GDI_HEAP_UNLOCK( hdc );
 421       return 0;
 422     }
 423     dcs = (DC *) GDI_HEAP_LOCK( hdcs );
 424
 425     /* Copy path. The reason why path saving / restoring is in SaveDC/
 426      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 427      * functions are only in Win16 (which doesn't have paths) and that
 428      * SetDCState doesn't allow us to signal an error (which can happen
 429      * when copying paths).
 430      */
 431     if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path ))
 432     {
 433         GDI_HEAP_UNLOCK( hdc );
 434         GDI_HEAP_UNLOCK( hdcs );
 435         DeleteDC( hdcs );
 436         return 0;
 437     }
 438
 439     dcs->header.hNext = dc->header.hNext;
 440     dc->header.hNext = hdcs;
 441     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 442     ret = ++dc->saveLevel;
 443     GDI_HEAP_UNLOCK( hdcs );
 444     GDI_HEAP_UNLOCK( hdc );
 445     return ret;
 446 }
 447
 448
 449 /***********************************************************************
 450  *           RestoreDC16    (GDI.39)
 451  */
 452 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 453 {
 454     return RestoreDC( hdc, level );
 455 }
 456
 457
 458 /***********************************************************************
 459  *           RestoreDC32    (GDI32.290)
 460  */
 461 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 462 {
 463     DC * dc, * dcs;
 464     BOOL success;
 465
 466     TRACE("%04x %d\n", hdc, level );
 467     dc = DC_GetDCPtr( hdc );
 468     if(!dc) return FALSE;
 469     if(dc->funcs->pRestoreDC)
 470         return dc->funcs->pRestoreDC( dc, level );
 471
 472     if (level == -1) level = dc->saveLevel;
 473     if ((level < 1) || (level > dc->saveLevel))
 474     {
 475       GDI_HEAP_UNLOCK( hdc );
 476       return FALSE;
 477     }
 478
 479     success=TRUE;
 480     while (dc->saveLevel >= level)
 481     {
 482         HDC16 hdcs = dc->header.hNext;
 483         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 484         {
 485           GDI_HEAP_UNLOCK( hdc );
 486           return FALSE;
 487         }
 488         dc->header.hNext = dcs->header.hNext;
 489         if (--dc->saveLevel < level)
 490         {
 491             SetDCState16( hdc, hdcs );
 492             if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path ))
 493                 /* FIXME: This might not be quite right, since we're
 494                  * returning FALSE but still destroying the saved DC state */
 495                 success=FALSE;
 496         }
 497         DeleteDC( hdcs );
 498     }
 499     GDI_HEAP_UNLOCK( hdc );
 500     return success;
 501 }
 502
 503
 504 /***********************************************************************
 505  *           CreateDC16    (GDI.53)
 506  */
 507 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 508                          const DEVMODEA *initData )
 509 {
 510     DC * dc;
 511     const DC_FUNCTIONS *funcs;
 512     char buf[300];
 513
 514     if (device) {
 515         if(!DRIVER_GetDriverName( device, buf, sizeof(buf) )) return 0;
 516     } else
 517         strcpy(buf, driver);
 518
 519     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 520     if (!(dc = DC_AllocDC( funcs ))) return 0;
 521     dc->w.flags = 0;
 522
 523     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 524                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 525
 526     if (dc->funcs->pCreateDC &&
 527         !dc->funcs->pCreateDC( dc, driver, device, output, initData ))
 528     {
 529         WARN("creation aborted by device\n" );
 530         GDI_HEAP_FREE( dc->hSelf );
 531         return 0;
 532     }
 533
 534     DC_InitDC( dc );
 535     GDI_HEAP_UNLOCK( dc->hSelf );
 536     return dc->hSelf;
 537 }
 538
 539
 540 /***********************************************************************
 541  *           CreateDC32A    (GDI32.)
 542  */
 543 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 544                           const DEVMODEA *initData )
 545 {
 546     return CreateDC16( driver, device, output, (const DEVMODEA *)initData );
 547 }
 548
 549
 550 /***********************************************************************
 551  *           CreateDC32W    (GDI32.)
 552  */
 553 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 554                           const DEVMODEW *initData )
 555 {
 556     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 557     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 558     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 559     HDC res = CreateDC16( driverA, deviceA, outputA,
 560                             (const DEVMODEA *)initData /*FIXME*/ );
 561     HeapFree( GetProcessHeap(), 0, driverA );
 562     HeapFree( GetProcessHeap(), 0, deviceA );
 563     HeapFree( GetProcessHeap(), 0, outputA );
 564     return res;
 565 }
 566
 567
 568 /***********************************************************************
 569  *           CreateIC16    (GDI.153)
 570  */
 571 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 572                          const DEVMODEA* initData )
 573 {
 574       /* Nothing special yet for ICs */
 575     return CreateDC16( driver, device, output, initData );
 576 }
 577
 578
 579 /***********************************************************************
 580  *           CreateIC32A    (GDI32.49)
 581  */
 582 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 583                           const DEVMODEA* initData )
 584 {
 585       /* Nothing special yet for ICs */
 586     return CreateDCA( driver, device, output, initData );
 587 }
 588
 589
 590 /***********************************************************************
 591  *           CreateIC32W    (GDI32.50)
 592  */
 593 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 594                           const DEVMODEW* initData )
 595 {
 596       /* Nothing special yet for ICs */
 597     return CreateDCW( driver, device, output, initData );
 598 }
 599
 600
 601 /***********************************************************************
 602  *           CreateCompatibleDC16    (GDI.52)
 603  */
 604 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 605 {
 606     return (HDC16)CreateCompatibleDC( hdc );
 607 }
 608
 609
 610 /***********************************************************************
 611  *           CreateCompatibleDC32   (GDI32.31)
 612  */
 613 HDC WINAPI CreateCompatibleDC( HDC hdc )
 614 {
 615     DC *dc, *origDC;
 616     HBITMAP hbitmap;
 617     const DC_FUNCTIONS *funcs;
 618
 619     if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 620     else funcs = DRIVER_FindDriver( "DISPLAY" );
 621     if (!funcs) return 0;
 622
 623     if (!(dc = DC_AllocDC( funcs ))) return 0;
 624
 625     TRACE("(%04x): returning %04x\n",
 626                hdc, dc->hSelf );
 627
 628       /* Create default bitmap */
 629     if (!(hbitmap = CreateBitmap( 1, 1, 1, 1, NULL )))
 630     {
 631         GDI_HEAP_FREE( dc->hSelf );
 632         return 0;
 633     }
 634     dc->w.flags        = DC_MEMORY;
 635     dc->w.bitsPerPixel = 1;
 636     dc->w.hBitmap      = hbitmap;
 637     dc->w.hFirstBitmap = hbitmap;
 638
 639     /* Copy the driver-specific physical device info into
 640      * the new DC. The driver may use this read-only info
 641      * while creating the compatible DC below. */
 642     if (origDC)
 643         dc->physDev = origDC->physDev;
 644
 645     if (dc->funcs->pCreateDC &&
 646         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 647     {
 648         WARN("creation aborted by device\n");
 649         DeleteObject( hbitmap );
 650         GDI_HEAP_FREE( dc->hSelf );
 651         return 0;
 652     }
 653
 654     DC_InitDC( dc );
 655     GDI_HEAP_UNLOCK( dc->hSelf );
 656     return dc->hSelf;
 657 }
 658
 659
 660 /***********************************************************************
 661  *           DeleteDC16    (GDI.68)
 662  */
 663 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 664 {
 665     return DeleteDC( hdc );
 666 }
 667
 668
 669 /***********************************************************************
 670  *           DeleteDC32    (GDI32.67)
 671  */
 672 BOOL WINAPI DeleteDC( HDC hdc )
 673 {
 674     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 675     if (!dc) return FALSE;
 676
 677     TRACE("%04x\n", hdc );
 678
 679     /* Call hook procedure to check whether is it OK to delete this DC */
 680     if (    dc->hookProc && !(dc->w.flags & (DC_SAVED | DC_MEMORY))
 681          && dc->hookProc( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ) == FALSE )
 682     {
 683         GDI_HEAP_UNLOCK( hdc );
 684         return FALSE;
 685     }
 686
 687     while (dc->saveLevel)
 688     {
 689         DC * dcs;
 690         HDC16 hdcs = dc->header.hNext;
 691         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 692         dc->header.hNext = dcs->header.hNext;
 693         dc->saveLevel--;
 694         DeleteDC( hdcs );
 695     }
 696
 697     if (!(dc->w.flags & DC_SAVED))
 698     {
 699         SelectObject( hdc, STOCK_BLACK_PEN );
 700         SelectObject( hdc, STOCK_WHITE_BRUSH );
 701         SelectObject( hdc, STOCK_SYSTEM_FONT );
 702         if (dc->w.flags & DC_MEMORY) DeleteObject( dc->w.hFirstBitmap );
 703         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 704     }
 705
 706     if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
 707     if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
 708     if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
 709
 710     PATH_DestroyGdiPath(&dc->w.path);
 711
 712     return GDI_FreeObject( hdc );
 713 }
 714
 715
 716 /***********************************************************************
 717  *           ResetDC16    (GDI.376)
 718  */
 719 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 720 {
 721     FIXME("stub\n" );
 722     return hdc;
 723 }
 724
 725
 726 /***********************************************************************
 727  *           ResetDC32A    (GDI32.287)
 728  */
 729 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 730 {
 731     FIXME("stub\n" );
 732     return hdc;
 733 }
 734
 735
 736 /***********************************************************************
 737  *           ResetDC32W    (GDI32.288)
 738  */
 739 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 740 {
 741     FIXME("stub\n" );
 742     return hdc;
 743 }
 744
 745
 746 /***********************************************************************
 747  *           GetDeviceCaps16    (GDI.80)
 748  */
 749 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 750 {
 751     return GetDeviceCaps( hdc, cap );
 752 }
 753
 754
 755 /***********************************************************************
 756  *           GetDeviceCaps32    (GDI32.171)
 757  */
 758 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 759 {
 760     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 761     INT ret;
 762     POINT pt;
 763
 764     if (!dc) return 0;
 765
 766     /* Device capabilities for the printer */
 767     switch (cap)
 768     {
 769     case PHYSICALWIDTH:
 770         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 771             return pt.x;
 772     case PHYSICALHEIGHT:
 773         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 774             return pt.y;
 775     case PHYSICALOFFSETX:
 776         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 777             return pt.x;
 778     case PHYSICALOFFSETY:
 779         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 780             return pt.y;
 781     case SCALINGFACTORX:
 782         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 783             return pt.x;
 784     case SCALINGFACTORY:
 785         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 786             return pt.y;
 787     }
 788
 789     if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD)))
 790     {
 791       GDI_HEAP_UNLOCK( hdc );
 792       return 0;
 793     }
 794
 795     TRACE("(%04x,%d): returning %d\n",
 796             hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) );
 797     ret = *(WORD *)(((char *)dc->w.devCaps) + cap);
 798     GDI_HEAP_UNLOCK( hdc );
 799     return ret;
 800 }
 801
 802
 803 /***********************************************************************
 804  *           SetBkColor16    (GDI.1)
 805  */
 806 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 807 {
 808     return SetBkColor( hdc, color );
 809 }
 810
 811
 812 /***********************************************************************
 813  *           SetBkColor32    (GDI32.305)
 814  */
 815 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 816 {
 817     COLORREF oldColor;
 818     DC * dc = DC_GetDCPtr( hdc );
 819
 820     if (!dc) return 0x80000000;
 821     if (dc->funcs->pSetBkColor)
 822         oldColor = dc->funcs->pSetBkColor(dc, color);
 823     else {
 824         oldColor = dc->w.backgroundColor;
 825         dc->w.backgroundColor = color;
 826     }
 827     GDI_HEAP_UNLOCK( hdc );
 828     return oldColor;
 829 }
 830
 831
 832 /***********************************************************************
 833  *           SetTextColor16    (GDI.9)
 834  */
 835 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 836 {
 837     return SetTextColor( hdc, color );
 838 }
 839
 840
 841 /***********************************************************************
 842  *           SetTextColor32    (GDI32.338)
 843  */
 844 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 845 {
 846     COLORREF oldColor;
 847     DC * dc = DC_GetDCPtr( hdc );
 848
 849     if (!dc) return 0x80000000;
 850     if (dc->funcs->pSetTextColor)
 851         oldColor = dc->funcs->pSetTextColor(dc, color);
 852     else {
 853         oldColor = dc->w.textColor;
 854         dc->w.textColor = color;
 855     }
 856     GDI_HEAP_UNLOCK( hdc );
 857     return oldColor;
 858 }
 859
 860 /***********************************************************************
 861  *           SetTextAlign16    (GDI.346)
 862  */
 863 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 864 {
 865     return SetTextAlign( hdc, align );
 866 }
 867
 868
 869 /***********************************************************************
 870  *           SetTextAlign    (GDI32.336)
 871  */
 872 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 873 {
 874     UINT prevAlign;
 875     DC *dc = DC_GetDCPtr( hdc );
 876     if (!dc) return 0x0;
 877     if (dc->funcs->pSetTextAlign)
 878         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 879     else {
 880         prevAlign = dc->w.textAlign;
 881         dc->w.textAlign = align;
 882     }
 883     GDI_HEAP_UNLOCK( hdc );
 884     return prevAlign;
 885 }
 886
 887 /***********************************************************************
 888  *           GetDCOrgEx  (GDI32.168)
 889  */
 890 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 891 {
 892     DC * dc;
 893
 894     if (!lpp) return FALSE;
 895     if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE;
 896
 897 #ifndef X_DISPLAY_MISSING
 898     if (!(dc->w.flags & DC_MEMORY))
 899     {
 900        X11DRV_PDEVICE *physDev;
 901        Window root;
 902        int w, h, border, depth;
 903
 904        physDev = (X11DRV_PDEVICE *) dc->physDev;
 905
 906        /* FIXME: this is not correct for managed windows */
 907        TSXGetGeometry( display, physDev->drawable, &root,
 908                     (int*)&lpp->x, (int*)&lpp->y, &w, &h, &border, &depth );
 909     }
 910     else
 911 #endif  /* !defined(X_DISPLAY_MISSING) */
 912       lpp->x = lpp->y = 0;
 913
 914     lpp->x += dc->w.DCOrgX; lpp->y += dc->w.DCOrgY;
 915     GDI_HEAP_UNLOCK( hDC );
 916     return TRUE;
 917 }
 918
 919
 920 /***********************************************************************
 921  *           GetDCOrg    (GDI.79)
 922  */
 923 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 924 {
 925     POINT       pt;
 926     if( GetDCOrgEx( hdc, &pt) )
 927         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 928     return 0;
 929 }
 930
 931
 932 /***********************************************************************
 933  *           SetDCOrg    (GDI.117)
 934  */
 935 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 936 {
 937     DWORD prevOrg;
 938     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 939     if (!dc) return 0;
 940     prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
 941     dc->w.DCOrgX = x;
 942     dc->w.DCOrgY = y;
 943     GDI_HEAP_UNLOCK( hdc );
 944     return prevOrg;
 945 }
 946
 947
 948 /***********************************************************************
 949  *           GetGraphicsMode    (GDI32.188)
 950  */
 951 INT WINAPI GetGraphicsMode( HDC hdc )
 952 {
 953     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 954     if (!dc) return 0;
 955     return dc->w.GraphicsMode;
 956 }
 957
 958
 959 /***********************************************************************
 960  *           SetGraphicsMode    (GDI32.317)
 961  */
 962 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 963 {
 964     INT ret;
 965     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 966
 967     /* One would think that setting the graphics mode to GM_COMPATIBLE
 968      * would also reset the world transformation matrix to the unity
 969      * matrix. However, in Windows, this is not the case. This doesn't
 970      * make a lot of sense to me, but that's the way it is.
 971      */
 972
 973     if (!dc) return 0;
 974     if ((mode <= 0) || (mode > GM_LAST)) return 0;
 975     ret = dc->w.GraphicsMode;
 976     dc->w.GraphicsMode = mode;
 977     return ret;
 978 }
 979
 980
 981 /***********************************************************************
 982  *           GetArcDirection16    (GDI.524)
 983  */
 984 INT16 WINAPI GetArcDirection16( HDC16 hdc )
 985 {
 986     return GetArcDirection( (HDC)hdc );
 987 }
 988
 989
 990 /***********************************************************************
 991  *           GetArcDirection32    (GDI32.141)
 992  */
 993 INT WINAPI GetArcDirection( HDC hdc )
 994 {
 995     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 996
 997     if (!dc)
 998         return 0;
 999
1000     return dc->w.ArcDirection;
1001 }
1002
1003
1004 /***********************************************************************
1005  *           SetArcDirection16    (GDI.525)
1006  */
1007 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
1008 {
1009     return SetArcDirection( (HDC)hdc, (INT)nDirection );
1010 }
1011
1012
1013 /***********************************************************************
1014  *           SetArcDirection32    (GDI32.302)
1015  */
1016 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1017 {
1018     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1019     INT nOldDirection;
1020
1021     if (!dc)
1022         return 0;
1023
1024     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1025     {
1026         SetLastError(ERROR_INVALID_PARAMETER);
1027         return 0;
1028     }
1029
1030     nOldDirection = dc->w.ArcDirection;
1031     dc->w.ArcDirection = nDirection;
1032
1033     return nOldDirection;
1034 }
1035
1036
1037 /***********************************************************************
1038  *           GetWorldTransform    (GDI32.244)
1039  */
1040 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1041 {
1042     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1043
1044     if (!dc)
1045         return FALSE;
1046     if (!xform)
1047         return FALSE;
1048
1049     *xform = dc->w.xformWorld2Wnd;
1050
1051     return TRUE;
1052 }
1053
1054
1055 /***********************************************************************
1056  *           SetWorldTransform    (GDI32.346)
1057  */
1058 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1059 {
1060     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1061
1062     if (!dc)
1063     {
1064         SetLastError( ERROR_INVALID_HANDLE );
1065         return FALSE;
1066     }
1067
1068     if (!xform)
1069         return FALSE;
1070
1071     /* Check that graphics mode is GM_ADVANCED */
1072     if (dc->w.GraphicsMode!=GM_ADVANCED)
1073        return FALSE;
1074
1075     dc->w.xformWorld2Wnd = *xform;
1076
1077     DC_UpdateXforms( dc );
1078
1079     return TRUE;
1080 }
1081
1082
1083 /****************************************************************************
1084  * ModifyWorldTransform [GDI32.253]
1085  * Modifies the world transformation for a device context.
1086  *
1087  * PARAMS
1088  *    hdc   [I] Handle to device context
1089  *    xform [I] XFORM structure that will be used to modify the world
1090  *              transformation
1091  *    iMode [I] Specifies in what way to modify the world transformation
1092  *              Possible values:
1093  *              MWT_IDENTITY
1094  *                 Resets the world transformation to the identity matrix.
1095  *                 The parameter xform is ignored.
1096  *              MWT_LEFTMULTIPLY
1097  *                 Multiplies xform into the world transformation matrix from
1098  *                 the left.
1099  *              MWT_RIGHTMULTIPLY
1100  *                 Multiplies xform into the world transformation matrix from
1101  *                 the right.
1102  *
1103  * RETURNS STD
1104  */
1105 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1106     DWORD iMode )
1107 {
1108     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1109
1110     /* Check for illegal parameters */
1111     if (!dc)
1112     {
1113         SetLastError( ERROR_INVALID_HANDLE );
1114         return FALSE;
1115     }
1116     if (!xform)
1117         return FALSE;
1118
1119     /* Check that graphics mode is GM_ADVANCED */
1120     if (dc->w.GraphicsMode!=GM_ADVANCED)
1121        return FALSE;
1122
1123     switch (iMode)
1124     {
1125         case MWT_IDENTITY:
1126             dc->w.xformWorld2Wnd.eM11 = 1.0f;
1127             dc->w.xformWorld2Wnd.eM12 = 0.0f;
1128             dc->w.xformWorld2Wnd.eM21 = 0.0f;
1129             dc->w.xformWorld2Wnd.eM22 = 1.0f;
1130             dc->w.xformWorld2Wnd.eDx  = 0.0f;
1131             dc->w.xformWorld2Wnd.eDy  = 0.0f;
1132             break;
1133         case MWT_LEFTMULTIPLY:
1134             CombineTransform( &dc->w.xformWorld2Wnd, xform,
1135                 &dc->w.xformWorld2Wnd );
1136             break;
1137         case MWT_RIGHTMULTIPLY:
1138             CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd,
1139                 xform );
1140             break;
1141         default:
1142             return FALSE;
1143     }
1144
1145     DC_UpdateXforms( dc );
1146
1147     return TRUE;
1148 }
1149
1150
1151 /****************************************************************************
1152  * CombineTransform [GDI32.20]
1153  * Combines two transformation matrices.
1154  *
1155  * PARAMS
1156  *    xformResult [O] Stores the result of combining the two matrices
1157  *    xform1      [I] Specifies the first matrix to apply
1158  *    xform2      [I] Specifies the second matrix to apply
1159  *
1160  * REMARKS
1161  *    The same matrix can be passed in for more than one of the parameters.
1162  *
1163  * RETURNS STD
1164  */
1165 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1166     const XFORM *xform2 )
1167 {
1168     XFORM xformTemp;
1169
1170     /* Check for illegal parameters */
1171     if (!xformResult || !xform1 || !xform2)
1172         return FALSE;
1173
1174     /* Create the result in a temporary XFORM, since xformResult may be
1175      * equal to xform1 or xform2 */
1176     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1177                      xform1->eM12 * xform2->eM21;
1178     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1179                      xform1->eM12 * xform2->eM22;
1180     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1181                      xform1->eM22 * xform2->eM21;
1182     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1183                      xform1->eM22 * xform2->eM22;
1184     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1185                      xform1->eDy  * xform2->eM21 +
1186                      xform2->eDx;
1187     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1188                      xform1->eDy  * xform2->eM22 +
1189                      xform2->eDy;
1190
1191     /* Copy the result to xformResult */
1192     *xformResult = xformTemp;
1193
1194     return TRUE;
1195 }
1196
1197
1198 /***********************************************************************
1199  *           SetDCHook   (GDI.190)
1200  */
1201 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1202 {
1203     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1204
1205     TRACE("hookProc %08x, default is %08x\n",
1206                 (UINT)hookProc, (UINT)DCHook16 );
1207
1208     if (!dc) return FALSE;
1209     dc->hookProc = hookProc;
1210     dc->dwHookData = dwHookData;
1211     GDI_HEAP_UNLOCK( hdc );
1212     return TRUE;
1213 }
1214
1215
1216 /***********************************************************************
1217  *           GetDCHook   (GDI.191)
1218  */
1219 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1220 {
1221     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1222     if (!dc) return 0;
1223     *phookProc = dc->hookProc;
1224     GDI_HEAP_UNLOCK( hdc );
1225     return dc->dwHookData;
1226 }
1227
1228
1229 /***********************************************************************
1230  *           SetHookFlags       (GDI.192)
1231  */
1232 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1233 {
1234     DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
1235
1236     if( dc )
1237     {
1238         WORD wRet = dc->w.flags & DC_DIRTY;
1239
1240         /* "Undocumented Windows" info is slightly confusing.
1241          */
1242
1243         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1244
1245         if( flags & DCHF_INVALIDATEVISRGN )
1246             dc->w.flags |= DC_DIRTY;
1247         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1248             dc->w.flags &= ~DC_DIRTY;
1249         GDI_HEAP_UNLOCK( hDC );
1250         return wRet;
1251     }
1252     return 0;
1253 }
1254
1255 /***********************************************************************
1256  *           SetICMMode    (GDI32.318)
1257  */
1258 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1259 {
1260 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1261     if (iEnableICM == ICM_OFF) return ICM_OFF;
1262     if (iEnableICM == ICM_ON) return 0;
1263     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1264     return 0;
1265 }
1266
1267
1268 /***********************************************************************
1269  *           GetColorSpace    (GDI32.165)
1270  */
1271 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1272 {
1273 /*FIXME    Need to to whatever GetColorSpace actually does */
1274     return 0;
1275 }
1276
1277 /***********************************************************************
1278  *           GetBoundsRect16    (GDI.194)
1279  */
1280 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1281 {
1282     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1283 }
1284
1285 /***********************************************************************
1286  *           GetBoundsRect32    (GDI32.147)
1287  */
1288 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1289 {
1290     FIXME("(): stub\n");
1291     return DCB_RESET;   /* bounding rectangle always empty */
1292 }
1293
1294 /***********************************************************************
1295  *           SetBoundsRect16    (GDI.193)
1296  */
1297 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1298 {
1299     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1300         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1301
1302     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1303 }
1304
1305 /***********************************************************************
1306  *           SetBoundsRect32    (GDI32.307)
1307  */
1308 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1309 {
1310     FIXME("(): stub\n");
1311     return DCB_DISABLE;   /* bounding rectangle always empty */
1312 }
1313
1314 /***********************************************************************
1315  *           Death    (GDI.121)
1316  *
1317  * Disables GDI, switches back to text mode.
1318  * We don't have to do anything here,
1319  * just let console support handle everything
1320  */
1321 void WINAPI Death16(HDC16 hDC)
1322 {
1323     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1324 }
1325
1326 /***********************************************************************
1327  *           Resurrection    (GDI.122)
1328  *
1329  * Restores GDI functionality
1330  */
1331 void WINAPI Resurrection16(HDC16 hDC,
1332                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1333 {
1334     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1335 }