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->spfnPrint           = 0;
  67     win_dc_info->lpfnPrint           = NULL;
  68     win_dc_info->CursPosX            = 0;
  69     win_dc_info->CursPosY            = 0;
  70     win_dc_info->ArcDirection        = AD_COUNTERCLOCKWISE;
  71     win_dc_info->xformWorld2Wnd.eM11 = 1.0f;
  72     win_dc_info->xformWorld2Wnd.eM12 = 0.0f;
  73     win_dc_info->xformWorld2Wnd.eM21 = 0.0f;
  74     win_dc_info->xformWorld2Wnd.eM22 = 1.0f;
  75     win_dc_info->xformWorld2Wnd.eDx  = 0.0f;
  76     win_dc_info->xformWorld2Wnd.eDy  = 0.0f;
  77     win_dc_info->xformWorld2Vport    = win_dc_info->xformWorld2Wnd;
  78     win_dc_info->xformVport2World    = win_dc_info->xformWorld2Wnd;
  79     win_dc_info->vport2WorldValid    = TRUE;
  80
  81     PATH_InitGdiPath(&win_dc_info->path);
  82 }
  83
  84
  85 /***********************************************************************
  86  *           DC_AllocDC
  87  */
  88 DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
  89 {
  90     HDC16 hdc;
  91     DC *dc;
  92
  93     if (!(hdc = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return NULL;
  94     dc = (DC *) GDI_HEAP_LOCK( hdc );
  95
  96     dc->hSelf      = hdc;
  97     dc->funcs      = funcs;
  98     dc->physDev    = NULL;
  99     dc->saveLevel  = 0;
 100     dc->dwHookData = 0L;
 101     dc->hookProc   = NULL;
 102     dc->wndOrgX    = 0;
 103     dc->wndOrgY    = 0;
 104     dc->wndExtX    = 1;
 105     dc->wndExtY    = 1;
 106     dc->vportOrgX  = 0;
 107     dc->vportOrgY  = 0;
 108     dc->vportExtX  = 1;
 109     dc->vportExtY  = 1;
 110
 111     DC_Init_DC_INFO( &dc->w );
 112
 113     return dc;
 114 }
 115
 116
 117
 118 /***********************************************************************
 119  *           DC_GetDCPtr
 120  */
 121 DC *DC_GetDCPtr( HDC hdc )
 122 {
 123     GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LOCK( hdc );
 124     if (!ptr) return NULL;
 125     if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC) ||
 126         (ptr->wMagic == ENHMETAFILE_DC_MAGIC))
 127         return (DC *)ptr;
 128     GDI_HEAP_UNLOCK( hdc );
 129     return NULL;
 130 }
 131
 132
 133 /***********************************************************************
 134  *           DC_InitDC
 135  *
 136  * Setup device-specific DC values for a newly created DC.
 137  */
 138 void DC_InitDC( DC* dc )
 139 {
 140     RealizeDefaultPalette16( dc->hSelf );
 141     SetTextColor( dc->hSelf, dc->w.textColor );
 142     SetBkColor( dc->hSelf, dc->w.backgroundColor );
 143     SelectObject( dc->hSelf, dc->w.hPen );
 144     SelectObject( dc->hSelf, dc->w.hBrush );
 145     SelectObject( dc->hSelf, dc->w.hFont );
 146     CLIPPING_UpdateGCRegion( dc );
 147 }
 148
 149
 150 /***********************************************************************
 151  *           DC_InvertXform
 152  *
 153  * Computes the inverse of the transformation xformSrc and stores it to
 154  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 155  * is singular.
 156  */
 157 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 158 {
 159     FLOAT determinant;
 160
 161     determinant = xformSrc->eM11*xformSrc->eM22 -
 162         xformSrc->eM12*xformSrc->eM21;
 163     if (determinant > -1e-12 && determinant < 1e-12)
 164         return FALSE;
 165
 166     xformDest->eM11 =  xformSrc->eM22 / determinant;
 167     xformDest->eM12 = -xformSrc->eM12 / determinant;
 168     xformDest->eM21 = -xformSrc->eM21 / determinant;
 169     xformDest->eM22 =  xformSrc->eM11 / determinant;
 170     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 171                        xformSrc->eDy * xformDest->eM21;
 172     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 173                        xformSrc->eDy * xformDest->eM22;
 174
 175     return TRUE;
 176 }
 177
 178
 179 /***********************************************************************
 180  *           DC_UpdateXforms
 181  *
 182  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 183  * fields of the specified DC by creating a transformation that
 184  * represents the current mapping mode and combining it with the DC's
 185  * world transform. This function should be called whenever the
 186  * parameters associated with the mapping mode (window and viewport
 187  * extents and origins) or the world transform change.
 188  */
 189 void DC_UpdateXforms( DC *dc )
 190 {
 191     XFORM xformWnd2Vport;
 192     FLOAT scaleX, scaleY;
 193
 194     /* Construct a transformation to do the window-to-viewport conversion */
 195     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 196     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 197     xformWnd2Vport.eM11 = scaleX;
 198     xformWnd2Vport.eM12 = 0.0;
 199     xformWnd2Vport.eM21 = 0.0;
 200     xformWnd2Vport.eM22 = scaleY;
 201     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 202         scaleX * (FLOAT)dc->wndOrgX;
 203     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 204         scaleY * (FLOAT)dc->wndOrgY;
 205
 206     /* Combine with the world transformation */
 207     CombineTransform( &dc->w.xformWorld2Vport, &dc->w.xformWorld2Wnd,
 208         &xformWnd2Vport );
 209
 210     /* Create inverse of world-to-viewport transformation */
 211     dc->w.vport2WorldValid = DC_InvertXform( &dc->w.xformWorld2Vport,
 212         &dc->w.xformVport2World );
 213 }
 214
 215
 216 /***********************************************************************
 217  *           GetDCState    (GDI.179)
 218  */
 219 HDC16 WINAPI GetDCState16( HDC16 hdc )
 220 {
 221     DC * newdc, * dc;
 222     HGDIOBJ16 handle;
 223
 224     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
 225     if (!(handle = GDI_AllocObject( sizeof(DC), DC_MAGIC )))
 226     {
 227       GDI_HEAP_UNLOCK( hdc );
 228       return 0;
 229     }
 230     newdc = (DC *) GDI_HEAP_LOCK( handle );
 231
 232     TRACE("(%04x): returning %04x\n", hdc, handle );
 233
 234     newdc->w.flags            = dc->w.flags | DC_SAVED;
 235     newdc->w.devCaps          = dc->w.devCaps;
 236     newdc->w.hPen             = dc->w.hPen;
 237     newdc->w.hBrush           = dc->w.hBrush;
 238     newdc->w.hFont            = dc->w.hFont;
 239     newdc->w.hBitmap          = dc->w.hBitmap;
 240     newdc->w.hFirstBitmap     = dc->w.hFirstBitmap;
 241     newdc->w.hDevice          = dc->w.hDevice;
 242     newdc->w.hPalette         = dc->w.hPalette;
 243     newdc->w.totalExtent      = dc->w.totalExtent;
 244     newdc->w.bitsPerPixel     = dc->w.bitsPerPixel;
 245     newdc->w.ROPmode          = dc->w.ROPmode;
 246     newdc->w.polyFillMode     = dc->w.polyFillMode;
 247     newdc->w.stretchBltMode   = dc->w.stretchBltMode;
 248     newdc->w.relAbsMode       = dc->w.relAbsMode;
 249     newdc->w.backgroundMode   = dc->w.backgroundMode;
 250     newdc->w.backgroundColor  = dc->w.backgroundColor;
 251     newdc->w.textColor        = dc->w.textColor;
 252     newdc->w.brushOrgX        = dc->w.brushOrgX;
 253     newdc->w.brushOrgY        = dc->w.brushOrgY;
 254     newdc->w.textAlign        = dc->w.textAlign;
 255     newdc->w.charExtra        = dc->w.charExtra;
 256     newdc->w.breakTotalExtra  = dc->w.breakTotalExtra;
 257     newdc->w.breakCount       = dc->w.breakCount;
 258     newdc->w.breakExtra       = dc->w.breakExtra;
 259     newdc->w.breakRem         = dc->w.breakRem;
 260     newdc->w.MapMode          = dc->w.MapMode;
 261     newdc->w.GraphicsMode     = dc->w.GraphicsMode;
 262 #if 0
 263     /* Apparently, the DC origin is not changed by [GS]etDCState */
 264     newdc->w.DCOrgX           = dc->w.DCOrgX;
 265     newdc->w.DCOrgY           = dc->w.DCOrgY;
 266 #endif
 267     newdc->w.CursPosX         = dc->w.CursPosX;
 268     newdc->w.CursPosY         = dc->w.CursPosY;
 269     newdc->w.ArcDirection     = dc->w.ArcDirection;
 270     newdc->w.xformWorld2Wnd   = dc->w.xformWorld2Wnd;
 271     newdc->w.xformWorld2Vport = dc->w.xformWorld2Vport;
 272     newdc->w.xformVport2World = dc->w.xformVport2World;
 273     newdc->w.vport2WorldValid = dc->w.vport2WorldValid;
 274     newdc->wndOrgX            = dc->wndOrgX;
 275     newdc->wndOrgY            = dc->wndOrgY;
 276     newdc->wndExtX            = dc->wndExtX;
 277     newdc->wndExtY            = dc->wndExtY;
 278     newdc->vportOrgX          = dc->vportOrgX;
 279     newdc->vportOrgY          = dc->vportOrgY;
 280     newdc->vportExtX          = dc->vportExtX;
 281     newdc->vportExtY          = dc->vportExtY;
 282
 283     newdc->hSelf = (HDC)handle;
 284     newdc->saveLevel = 0;
 285
 286     PATH_InitGdiPath( &newdc->w.path );
 287
 288     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 289
 290     newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0;
 291     if (dc->w.hClipRgn)
 292     {
 293         newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 294         CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
 295     }
 296     else
 297         newdc->w.hClipRgn = 0;
 298     GDI_HEAP_UNLOCK( handle );
 299     GDI_HEAP_UNLOCK( hdc );
 300     return handle;
 301 }
 302
 303
 304 /***********************************************************************
 305  *           SetDCState    (GDI.180)
 306  */
 307 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 308 {
 309     DC *dc, *dcs;
 310
 311     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 312     if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 313     {
 314       GDI_HEAP_UNLOCK( hdc );
 315       return;
 316     }
 317     if (!dcs->w.flags & DC_SAVED)
 318     {
 319       GDI_HEAP_UNLOCK( hdc );
 320       GDI_HEAP_UNLOCK( hdcs );
 321       return;
 322     }
 323     TRACE("%04x %04x\n", hdc, hdcs );
 324
 325     dc->w.flags            = dcs->w.flags & ~DC_SAVED;
 326     dc->w.devCaps          = dcs->w.devCaps;
 327     dc->w.hFirstBitmap     = dcs->w.hFirstBitmap;
 328     dc->w.hDevice          = dcs->w.hDevice;
 329     dc->w.totalExtent      = dcs->w.totalExtent;
 330     dc->w.ROPmode          = dcs->w.ROPmode;
 331     dc->w.polyFillMode     = dcs->w.polyFillMode;
 332     dc->w.stretchBltMode   = dcs->w.stretchBltMode;
 333     dc->w.relAbsMode       = dcs->w.relAbsMode;
 334     dc->w.backgroundMode   = dcs->w.backgroundMode;
 335     dc->w.backgroundColor  = dcs->w.backgroundColor;
 336     dc->w.textColor        = dcs->w.textColor;
 337     dc->w.brushOrgX        = dcs->w.brushOrgX;
 338     dc->w.brushOrgY        = dcs->w.brushOrgY;
 339     dc->w.textAlign        = dcs->w.textAlign;
 340     dc->w.charExtra        = dcs->w.charExtra;
 341     dc->w.breakTotalExtra  = dcs->w.breakTotalExtra;
 342     dc->w.breakCount       = dcs->w.breakCount;
 343     dc->w.breakExtra       = dcs->w.breakExtra;
 344     dc->w.breakRem         = dcs->w.breakRem;
 345     dc->w.MapMode          = dcs->w.MapMode;
 346     dc->w.GraphicsMode     = dcs->w.GraphicsMode;
 347 #if 0
 348     /* Apparently, the DC origin is not changed by [GS]etDCState */
 349     dc->w.DCOrgX           = dcs->w.DCOrgX;
 350     dc->w.DCOrgY           = dcs->w.DCOrgY;
 351 #endif
 352     dc->w.CursPosX         = dcs->w.CursPosX;
 353     dc->w.CursPosY         = dcs->w.CursPosY;
 354     dc->w.ArcDirection     = dcs->w.ArcDirection;
 355     dc->w.xformWorld2Wnd   = dcs->w.xformWorld2Wnd;
 356     dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
 357     dc->w.xformVport2World = dcs->w.xformVport2World;
 358     dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
 359
 360     dc->wndOrgX            = dcs->wndOrgX;
 361     dc->wndOrgY            = dcs->wndOrgY;
 362     dc->wndExtX            = dcs->wndExtX;
 363     dc->wndExtY            = dcs->wndExtY;
 364     dc->vportOrgX          = dcs->vportOrgX;
 365     dc->vportOrgY          = dcs->vportOrgY;
 366     dc->vportExtX          = dcs->vportExtX;
 367     dc->vportExtY          = dcs->vportExtY;
 368
 369     if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
 370
 371     if (dcs->w.hClipRgn)
 372     {
 373         if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 374         CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
 375     }
 376     else
 377     {
 378         if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn );
 379         dc->w.hClipRgn = 0;
 380     }
 381     CLIPPING_UpdateGCRegion( dc );
 382
 383     SelectObject( hdc, dcs->w.hBitmap );
 384     SelectObject( hdc, dcs->w.hBrush );
 385     SelectObject( hdc, dcs->w.hFont );
 386     SelectObject( hdc, dcs->w.hPen );
 387     SetBkColor( hdc, dcs->w.backgroundColor);
 388     SetTextColor( hdc, dcs->w.textColor);
 389     GDISelectPalette16( hdc, dcs->w.hPalette, FALSE );
 390     GDI_HEAP_UNLOCK( hdc );
 391     GDI_HEAP_UNLOCK( hdcs );
 392 }
 393
 394
 395 /***********************************************************************
 396  *           SaveDC16    (GDI.30)
 397  */
 398 INT16 WINAPI SaveDC16( HDC16 hdc )
 399 {
 400     return (INT16)SaveDC( hdc );
 401 }
 402
 403
 404 /***********************************************************************
 405  *           SaveDC32    (GDI32.292)
 406  */
 407 INT WINAPI SaveDC( HDC hdc )
 408 {
 409     HDC hdcs;
 410     DC * dc, * dcs;
 411     INT ret;
 412
 413     dc = DC_GetDCPtr( hdc );
 414     if (!dc) return 0;
 415
 416     if(dc->funcs->pSaveDC)
 417         return dc->funcs->pSaveDC( dc );
 418
 419     if (!(hdcs = GetDCState16( hdc )))
 420     {
 421       GDI_HEAP_UNLOCK( hdc );
 422       return 0;
 423     }
 424     dcs = (DC *) GDI_HEAP_LOCK( hdcs );
 425
 426     /* Copy path. The reason why path saving / restoring is in SaveDC/
 427      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 428      * functions are only in Win16 (which doesn't have paths) and that
 429      * SetDCState doesn't allow us to signal an error (which can happen
 430      * when copying paths).
 431      */
 432     if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path ))
 433     {
 434         GDI_HEAP_UNLOCK( hdc );
 435         GDI_HEAP_UNLOCK( hdcs );
 436         DeleteDC( hdcs );
 437         return 0;
 438     }
 439
 440     dcs->header.hNext = dc->header.hNext;
 441     dc->header.hNext = hdcs;
 442     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 443     ret = ++dc->saveLevel;
 444     GDI_HEAP_UNLOCK( hdcs );
 445     GDI_HEAP_UNLOCK( hdc );
 446     return ret;
 447 }
 448
 449
 450 /***********************************************************************
 451  *           RestoreDC16    (GDI.39)
 452  */
 453 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 454 {
 455     return RestoreDC( hdc, level );
 456 }
 457
 458
 459 /***********************************************************************
 460  *           RestoreDC32    (GDI32.290)
 461  */
 462 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 463 {
 464     DC * dc, * dcs;
 465     BOOL success;
 466
 467     TRACE("%04x %d\n", hdc, level );
 468     dc = DC_GetDCPtr( hdc );
 469     if(!dc) return FALSE;
 470     if(dc->funcs->pRestoreDC)
 471         return dc->funcs->pRestoreDC( dc, level );
 472
 473     if (level == -1) level = dc->saveLevel;
 474     if ((level < 1) || (level > dc->saveLevel))
 475     {
 476       GDI_HEAP_UNLOCK( hdc );
 477       return FALSE;
 478     }
 479
 480     success=TRUE;
 481     while (dc->saveLevel >= level)
 482     {
 483         HDC16 hdcs = dc->header.hNext;
 484         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 485         {
 486           GDI_HEAP_UNLOCK( hdc );
 487           return FALSE;
 488         }
 489         dc->header.hNext = dcs->header.hNext;
 490         if (--dc->saveLevel < level)
 491         {
 492             SetDCState16( hdc, hdcs );
 493             if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path ))
 494                 /* FIXME: This might not be quite right, since we're
 495                  * returning FALSE but still destroying the saved DC state */
 496                 success=FALSE;
 497         }
 498         DeleteDC( hdcs );
 499     }
 500     GDI_HEAP_UNLOCK( hdc );
 501     return success;
 502 }
 503
 504
 505 /***********************************************************************
 506  *           CreateDC16    (GDI.53)
 507  */
 508 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 509                          const DEVMODEA *initData )
 510 {
 511     DC * dc;
 512     const DC_FUNCTIONS *funcs;
 513     char buf[300];
 514
 515     if (device) {
 516         if(!DRIVER_GetDriverName( device, buf, sizeof(buf) )) return 0;
 517     } else
 518         strcpy(buf, driver);
 519
 520     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 521     if (!(dc = DC_AllocDC( funcs ))) return 0;
 522     dc->w.flags = 0;
 523
 524     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 525                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 526
 527     if (dc->funcs->pCreateDC &&
 528         !dc->funcs->pCreateDC( dc, driver, device, output, initData ))
 529     {
 530         WARN("creation aborted by device\n" );
 531         GDI_HEAP_FREE( dc->hSelf );
 532         return 0;
 533     }
 534
 535     DC_InitDC( dc );
 536     GDI_HEAP_UNLOCK( dc->hSelf );
 537     return dc->hSelf;
 538 }
 539
 540
 541 /***********************************************************************
 542  *           CreateDC32A    (GDI32.)
 543  */
 544 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 545                           const DEVMODEA *initData )
 546 {
 547     return CreateDC16( driver, device, output, (const DEVMODEA *)initData );
 548 }
 549
 550
 551 /***********************************************************************
 552  *           CreateDC32W    (GDI32.)
 553  */
 554 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 555                           const DEVMODEW *initData )
 556 {
 557     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 558     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 559     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 560     HDC res = CreateDC16( driverA, deviceA, outputA,
 561                             (const DEVMODEA *)initData /*FIXME*/ );
 562     HeapFree( GetProcessHeap(), 0, driverA );
 563     HeapFree( GetProcessHeap(), 0, deviceA );
 564     HeapFree( GetProcessHeap(), 0, outputA );
 565     return res;
 566 }
 567
 568
 569 /***********************************************************************
 570  *           CreateIC16    (GDI.153)
 571  */
 572 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 573                          const DEVMODEA* initData )
 574 {
 575       /* Nothing special yet for ICs */
 576     return CreateDC16( driver, device, output, initData );
 577 }
 578
 579
 580 /***********************************************************************
 581  *           CreateIC32A    (GDI32.49)
 582  */
 583 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 584                           const DEVMODEA* initData )
 585 {
 586       /* Nothing special yet for ICs */
 587     return CreateDCA( driver, device, output, initData );
 588 }
 589
 590
 591 /***********************************************************************
 592  *           CreateIC32W    (GDI32.50)
 593  */
 594 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 595                           const DEVMODEW* initData )
 596 {
 597       /* Nothing special yet for ICs */
 598     return CreateDCW( driver, device, output, initData );
 599 }
 600
 601
 602 /***********************************************************************
 603  *           CreateCompatibleDC16    (GDI.52)
 604  */
 605 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 606 {
 607     return (HDC16)CreateCompatibleDC( hdc );
 608 }
 609
 610
 611 /***********************************************************************
 612  *           CreateCompatibleDC32   (GDI32.31)
 613  */
 614 HDC WINAPI CreateCompatibleDC( HDC hdc )
 615 {
 616     DC *dc, *origDC;
 617     HBITMAP hbitmap;
 618     const DC_FUNCTIONS *funcs;
 619
 620     if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 621     else funcs = DRIVER_FindDriver( "DISPLAY" );
 622     if (!funcs) return 0;
 623
 624     if (!(dc = DC_AllocDC( funcs ))) return 0;
 625
 626     TRACE("(%04x): returning %04x\n",
 627                hdc, dc->hSelf );
 628
 629       /* Create default bitmap */
 630     if (!(hbitmap = CreateBitmap( 1, 1, 1, 1, NULL )))
 631     {
 632         GDI_HEAP_FREE( dc->hSelf );
 633         return 0;
 634     }
 635     dc->w.flags        = DC_MEMORY;
 636     dc->w.bitsPerPixel = 1;
 637     dc->w.hBitmap      = hbitmap;
 638     dc->w.hFirstBitmap = hbitmap;
 639
 640     /* Copy the driver-specific physical device info into
 641      * the new DC. The driver may use this read-only info
 642      * while creating the compatible DC below. */
 643     if (origDC)
 644         dc->physDev = origDC->physDev;
 645
 646     if (dc->funcs->pCreateDC &&
 647         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 648     {
 649         WARN("creation aborted by device\n");
 650         DeleteObject( hbitmap );
 651         GDI_HEAP_FREE( dc->hSelf );
 652         return 0;
 653     }
 654
 655     DC_InitDC( dc );
 656     GDI_HEAP_UNLOCK( dc->hSelf );
 657     return dc->hSelf;
 658 }
 659
 660
 661 /***********************************************************************
 662  *           DeleteDC16    (GDI.68)
 663  */
 664 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 665 {
 666     return DeleteDC( hdc );
 667 }
 668
 669
 670 /***********************************************************************
 671  *           DeleteDC32    (GDI32.67)
 672  */
 673 BOOL WINAPI DeleteDC( HDC hdc )
 674 {
 675     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 676     if (!dc) return FALSE;
 677
 678     TRACE("%04x\n", hdc );
 679
 680     /* Call hook procedure to check whether is it OK to delete this DC */
 681     if (    dc->hookProc && !(dc->w.flags & (DC_SAVED | DC_MEMORY))
 682          && dc->hookProc( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ) == FALSE )
 683     {
 684         GDI_HEAP_UNLOCK( hdc );
 685         return FALSE;
 686     }
 687
 688     while (dc->saveLevel)
 689     {
 690         DC * dcs;
 691         HDC16 hdcs = dc->header.hNext;
 692         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 693         dc->header.hNext = dcs->header.hNext;
 694         dc->saveLevel--;
 695         DeleteDC( hdcs );
 696     }
 697
 698     if (!(dc->w.flags & DC_SAVED))
 699     {
 700         SelectObject( hdc, STOCK_BLACK_PEN );
 701         SelectObject( hdc, STOCK_WHITE_BRUSH );
 702         SelectObject( hdc, STOCK_SYSTEM_FONT );
 703         if (dc->w.flags & DC_MEMORY) DeleteObject( dc->w.hFirstBitmap );
 704         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 705     }
 706
 707     if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
 708     if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
 709     if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
 710
 711     PATH_DestroyGdiPath(&dc->w.path);
 712
 713     return GDI_FreeObject( hdc );
 714 }
 715
 716
 717 /***********************************************************************
 718  *           ResetDC16    (GDI.376)
 719  */
 720 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 721 {
 722     FIXME("stub\n" );
 723     return hdc;
 724 }
 725
 726
 727 /***********************************************************************
 728  *           ResetDC32A    (GDI32.287)
 729  */
 730 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 731 {
 732     FIXME("stub\n" );
 733     return hdc;
 734 }
 735
 736
 737 /***********************************************************************
 738  *           ResetDC32W    (GDI32.288)
 739  */
 740 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 741 {
 742     FIXME("stub\n" );
 743     return hdc;
 744 }
 745
 746
 747 /***********************************************************************
 748  *           GetDeviceCaps16    (GDI.80)
 749  */
 750 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 751 {
 752     return GetDeviceCaps( hdc, cap );
 753 }
 754
 755
 756 /***********************************************************************
 757  *           GetDeviceCaps32    (GDI32.171)
 758  */
 759 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 760 {
 761     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 762     INT ret;
 763     POINT pt;
 764
 765     if (!dc) return 0;
 766
 767     /* Device capabilities for the printer */
 768     switch (cap)
 769     {
 770     case PHYSICALWIDTH:
 771         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 772             return pt.x;
 773     case PHYSICALHEIGHT:
 774         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 775             return pt.y;
 776     case PHYSICALOFFSETX:
 777         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 778             return pt.x;
 779     case PHYSICALOFFSETY:
 780         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 781             return pt.y;
 782     case SCALINGFACTORX:
 783         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 784             return pt.x;
 785     case SCALINGFACTORY:
 786         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 787             return pt.y;
 788     }
 789
 790     if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD)))
 791     {
 792       GDI_HEAP_UNLOCK( hdc );
 793       return 0;
 794     }
 795
 796     TRACE("(%04x,%d): returning %d\n",
 797             hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) );
 798     ret = *(WORD *)(((char *)dc->w.devCaps) + cap);
 799     GDI_HEAP_UNLOCK( hdc );
 800     return ret;
 801 }
 802
 803
 804 /***********************************************************************
 805  *           SetBkColor16    (GDI.1)
 806  */
 807 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 808 {
 809     return SetBkColor( hdc, color );
 810 }
 811
 812
 813 /***********************************************************************
 814  *           SetBkColor32    (GDI32.305)
 815  */
 816 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 817 {
 818     COLORREF oldColor;
 819     DC * dc = DC_GetDCPtr( hdc );
 820
 821     if (!dc) return 0x80000000;
 822     if (dc->funcs->pSetBkColor)
 823         oldColor = dc->funcs->pSetBkColor(dc, color);
 824     else {
 825         oldColor = dc->w.backgroundColor;
 826         dc->w.backgroundColor = color;
 827     }
 828     GDI_HEAP_UNLOCK( hdc );
 829     return oldColor;
 830 }
 831
 832
 833 /***********************************************************************
 834  *           SetTextColor16    (GDI.9)
 835  */
 836 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 837 {
 838     return SetTextColor( hdc, color );
 839 }
 840
 841
 842 /***********************************************************************
 843  *           SetTextColor32    (GDI32.338)
 844  */
 845 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 846 {
 847     COLORREF oldColor;
 848     DC * dc = DC_GetDCPtr( hdc );
 849
 850     if (!dc) return 0x80000000;
 851     if (dc->funcs->pSetTextColor)
 852         oldColor = dc->funcs->pSetTextColor(dc, color);
 853     else {
 854         oldColor = dc->w.textColor;
 855         dc->w.textColor = color;
 856     }
 857     GDI_HEAP_UNLOCK( hdc );
 858     return oldColor;
 859 }
 860
 861 /***********************************************************************
 862  *           SetTextAlign16    (GDI.346)
 863  */
 864 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 865 {
 866     return SetTextAlign( hdc, align );
 867 }
 868
 869
 870 /***********************************************************************
 871  *           SetTextAlign    (GDI32.336)
 872  */
 873 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 874 {
 875     UINT prevAlign;
 876     DC *dc = DC_GetDCPtr( hdc );
 877     if (!dc) return 0x0;
 878     if (dc->funcs->pSetTextAlign)
 879         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 880     else {
 881         prevAlign = dc->w.textAlign;
 882         dc->w.textAlign = align;
 883     }
 884     GDI_HEAP_UNLOCK( hdc );
 885     return prevAlign;
 886 }
 887
 888 /***********************************************************************
 889  *           GetDCOrgEx  (GDI32.168)
 890  */
 891 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 892 {
 893     DC * dc;
 894
 895     if (!lpp) return FALSE;
 896     if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE;
 897
 898 #ifndef X_DISPLAY_MISSING
 899     if (!(dc->w.flags & DC_MEMORY))
 900     {
 901        X11DRV_PDEVICE *physDev;
 902        Window root;
 903        int w, h, border, depth;
 904
 905        physDev = (X11DRV_PDEVICE *) dc->physDev;
 906
 907        /* FIXME: this is not correct for managed windows */
 908        TSXGetGeometry( display, physDev->drawable, &root,
 909                     (int*)&lpp->x, (int*)&lpp->y, &w, &h, &border, &depth );
 910     }
 911     else
 912 #endif  /* !defined(X_DISPLAY_MISSING) */
 913       lpp->x = lpp->y = 0;
 914
 915     lpp->x += dc->w.DCOrgX; lpp->y += dc->w.DCOrgY;
 916     GDI_HEAP_UNLOCK( hDC );
 917     return TRUE;
 918 }
 919
 920
 921 /***********************************************************************
 922  *           GetDCOrg    (GDI.79)
 923  */
 924 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 925 {
 926     POINT       pt;
 927     if( GetDCOrgEx( hdc, &pt) )
 928         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 929     return 0;
 930 }
 931
 932
 933 /***********************************************************************
 934  *           SetDCOrg    (GDI.117)
 935  */
 936 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 937 {
 938     DWORD prevOrg;
 939     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 940     if (!dc) return 0;
 941     prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
 942     dc->w.DCOrgX = x;
 943     dc->w.DCOrgY = y;
 944     GDI_HEAP_UNLOCK( hdc );
 945     return prevOrg;
 946 }
 947
 948
 949 /***********************************************************************
 950  *           GetGraphicsMode    (GDI32.188)
 951  */
 952 INT WINAPI GetGraphicsMode( HDC hdc )
 953 {
 954     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 955     if (!dc) return 0;
 956     return dc->w.GraphicsMode;
 957 }
 958
 959
 960 /***********************************************************************
 961  *           SetGraphicsMode    (GDI32.317)
 962  */
 963 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 964 {
 965     INT ret;
 966     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 967
 968     /* One would think that setting the graphics mode to GM_COMPATIBLE
 969      * would also reset the world transformation matrix to the unity
 970      * matrix. However, in Windows, this is not the case. This doesn't
 971      * make a lot of sense to me, but that's the way it is.
 972      */
 973
 974     if (!dc) return 0;
 975     if ((mode <= 0) || (mode > GM_LAST)) return 0;
 976     ret = dc->w.GraphicsMode;
 977     dc->w.GraphicsMode = mode;
 978     return ret;
 979 }
 980
 981
 982 /***********************************************************************
 983  *           GetArcDirection16    (GDI.524)
 984  */
 985 INT16 WINAPI GetArcDirection16( HDC16 hdc )
 986 {
 987     return GetArcDirection( (HDC)hdc );
 988 }
 989
 990
 991 /***********************************************************************
 992  *           GetArcDirection32    (GDI32.141)
 993  */
 994 INT WINAPI GetArcDirection( HDC hdc )
 995 {
 996     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 997
 998     if (!dc)
 999         return 0;
1000
1001     return dc->w.ArcDirection;
1002 }
1003
1004
1005 /***********************************************************************
1006  *           SetArcDirection16    (GDI.525)
1007  */
1008 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
1009 {
1010     return SetArcDirection( (HDC)hdc, (INT)nDirection );
1011 }
1012
1013
1014 /***********************************************************************
1015  *           SetArcDirection32    (GDI32.302)
1016  */
1017 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1018 {
1019     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1020     INT nOldDirection;
1021
1022     if (!dc)
1023         return 0;
1024
1025     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1026     {
1027         SetLastError(ERROR_INVALID_PARAMETER);
1028         return 0;
1029     }
1030
1031     nOldDirection = dc->w.ArcDirection;
1032     dc->w.ArcDirection = nDirection;
1033
1034     return nOldDirection;
1035 }
1036
1037
1038 /***********************************************************************
1039  *           GetWorldTransform    (GDI32.244)
1040  */
1041 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1042 {
1043     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1044
1045     if (!dc)
1046         return FALSE;
1047     if (!xform)
1048         return FALSE;
1049
1050     *xform = dc->w.xformWorld2Wnd;
1051
1052     return TRUE;
1053 }
1054
1055
1056 /***********************************************************************
1057  *           SetWorldTransform    (GDI32.346)
1058  */
1059 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1060 {
1061     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1062
1063     if (!dc)
1064     {
1065         SetLastError( ERROR_INVALID_HANDLE );
1066         return FALSE;
1067     }
1068
1069     if (!xform)
1070         return FALSE;
1071
1072     /* Check that graphics mode is GM_ADVANCED */
1073     if (dc->w.GraphicsMode!=GM_ADVANCED)
1074        return FALSE;
1075
1076     dc->w.xformWorld2Wnd = *xform;
1077
1078     DC_UpdateXforms( dc );
1079
1080     return TRUE;
1081 }
1082
1083
1084 /****************************************************************************
1085  * ModifyWorldTransform [GDI32.253]
1086  * Modifies the world transformation for a device context.
1087  *
1088  * PARAMS
1089  *    hdc   [I] Handle to device context
1090  *    xform [I] XFORM structure that will be used to modify the world
1091  *              transformation
1092  *    iMode [I] Specifies in what way to modify the world transformation
1093  *              Possible values:
1094  *              MWT_IDENTITY
1095  *                 Resets the world transformation to the identity matrix.
1096  *                 The parameter xform is ignored.
1097  *              MWT_LEFTMULTIPLY
1098  *                 Multiplies xform into the world transformation matrix from
1099  *                 the left.
1100  *              MWT_RIGHTMULTIPLY
1101  *                 Multiplies xform into the world transformation matrix from
1102  *                 the right.
1103  *
1104  * RETURNS STD
1105  */
1106 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1107     DWORD iMode )
1108 {
1109     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1110
1111     /* Check for illegal parameters */
1112     if (!dc)
1113     {
1114         SetLastError( ERROR_INVALID_HANDLE );
1115         return FALSE;
1116     }
1117     if (!xform)
1118         return FALSE;
1119
1120     /* Check that graphics mode is GM_ADVANCED */
1121     if (dc->w.GraphicsMode!=GM_ADVANCED)
1122        return FALSE;
1123
1124     switch (iMode)
1125     {
1126         case MWT_IDENTITY:
1127             dc->w.xformWorld2Wnd.eM11 = 1.0f;
1128             dc->w.xformWorld2Wnd.eM12 = 0.0f;
1129             dc->w.xformWorld2Wnd.eM21 = 0.0f;
1130             dc->w.xformWorld2Wnd.eM22 = 1.0f;
1131             dc->w.xformWorld2Wnd.eDx  = 0.0f;
1132             dc->w.xformWorld2Wnd.eDy  = 0.0f;
1133             break;
1134         case MWT_LEFTMULTIPLY:
1135             CombineTransform( &dc->w.xformWorld2Wnd, xform,
1136                 &dc->w.xformWorld2Wnd );
1137             break;
1138         case MWT_RIGHTMULTIPLY:
1139             CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd,
1140                 xform );
1141             break;
1142         default:
1143             return FALSE;
1144     }
1145
1146     DC_UpdateXforms( dc );
1147
1148     return TRUE;
1149 }
1150
1151
1152 /****************************************************************************
1153  * CombineTransform [GDI32.20]
1154  * Combines two transformation matrices.
1155  *
1156  * PARAMS
1157  *    xformResult [O] Stores the result of combining the two matrices
1158  *    xform1      [I] Specifies the first matrix to apply
1159  *    xform2      [I] Specifies the second matrix to apply
1160  *
1161  * REMARKS
1162  *    The same matrix can be passed in for more than one of the parameters.
1163  *
1164  * RETURNS STD
1165  */
1166 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1167     const XFORM *xform2 )
1168 {
1169     XFORM xformTemp;
1170
1171     /* Check for illegal parameters */
1172     if (!xformResult || !xform1 || !xform2)
1173         return FALSE;
1174
1175     /* Create the result in a temporary XFORM, since xformResult may be
1176      * equal to xform1 or xform2 */
1177     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1178                      xform1->eM12 * xform2->eM21;
1179     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1180                      xform1->eM12 * xform2->eM22;
1181     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1182                      xform1->eM22 * xform2->eM21;
1183     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1184                      xform1->eM22 * xform2->eM22;
1185     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1186                      xform1->eDy  * xform2->eM21 +
1187                      xform2->eDx;
1188     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1189                      xform1->eDy  * xform2->eM22 +
1190                      xform2->eDy;
1191
1192     /* Copy the result to xformResult */
1193     *xformResult = xformTemp;
1194
1195     return TRUE;
1196 }
1197
1198
1199 /***********************************************************************
1200  *           SetDCHook   (GDI.190)
1201  */
1202 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1203 {
1204     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1205
1206     TRACE("hookProc %08x, default is %08x\n",
1207                 (UINT)hookProc, (UINT)DCHook16 );
1208
1209     if (!dc) return FALSE;
1210     dc->hookProc = hookProc;
1211     dc->dwHookData = dwHookData;
1212     GDI_HEAP_UNLOCK( hdc );
1213     return TRUE;
1214 }
1215
1216
1217 /***********************************************************************
1218  *           GetDCHook   (GDI.191)
1219  */
1220 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1221 {
1222     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1223     if (!dc) return 0;
1224     *phookProc = dc->hookProc;
1225     GDI_HEAP_UNLOCK( hdc );
1226     return dc->dwHookData;
1227 }
1228
1229
1230 /***********************************************************************
1231  *           SetHookFlags       (GDI.192)
1232  */
1233 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1234 {
1235     DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
1236
1237     if( dc )
1238     {
1239         WORD wRet = dc->w.flags & DC_DIRTY;
1240
1241         /* "Undocumented Windows" info is slightly confusing.
1242          */
1243
1244         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1245
1246         if( flags & DCHF_INVALIDATEVISRGN )
1247             dc->w.flags |= DC_DIRTY;
1248         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1249             dc->w.flags &= ~DC_DIRTY;
1250         GDI_HEAP_UNLOCK( hDC );
1251         return wRet;
1252     }
1253     return 0;
1254 }
1255
1256 /***********************************************************************
1257  *           SetICMMode    (GDI32.318)
1258  */
1259 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1260 {
1261 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1262     if (iEnableICM == ICM_OFF) return ICM_OFF;
1263     if (iEnableICM == ICM_ON) return 0;
1264     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1265     return 0;
1266 }
1267
1268
1269 /***********************************************************************
1270  *           GetColorSpace    (GDI32.165)
1271  */
1272 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1273 {
1274 /*FIXME    Need to to whatever GetColorSpace actually does */
1275     return 0;
1276 }
1277
1278 /***********************************************************************
1279  *           GetBoundsRect16    (GDI.194)
1280  */
1281 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1282 {
1283     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1284 }
1285
1286 /***********************************************************************
1287  *           GetBoundsRect32    (GDI32.147)
1288  */
1289 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1290 {
1291     FIXME("(): stub\n");
1292     return DCB_RESET;   /* bounding rectangle always empty */
1293 }
1294
1295 /***********************************************************************
1296  *           SetBoundsRect16    (GDI.193)
1297  */
1298 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1299 {
1300     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1301         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1302
1303     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1304 }
1305
1306 /***********************************************************************
1307  *           SetBoundsRect32    (GDI32.307)
1308  */
1309 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1310 {
1311     FIXME("(): stub\n");
1312     return DCB_DISABLE;   /* bounding rectangle always empty */
1313 }
1314
1315 /***********************************************************************
1316  *           Death    (GDI.121)
1317  *
1318  * Disables GDI, switches back to text mode.
1319  * We don't have to do anything here,
1320  * just let console support handle everything
1321  */
1322 void WINAPI Death16(HDC16 hDC)
1323 {
1324     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1325 }
1326
1327 /***********************************************************************
1328  *           Resurrection    (GDI.122)
1329  *
1330  * Restores GDI functionality
1331  */
1332 void WINAPI Resurrection16(HDC16 hDC,
1333                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1334 {
1335     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1336 }