dlls/gdi/dc.c

   1 /*
   2  * GDI Device Context functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29 #include "winreg.h"
  30 #include "winternl.h"
  31 #include "winerror.h"
  32 #include "wownt32.h"
  33 #include "wine/winuser16.h"
  34 #include "gdi.h"
  35 #include "gdi_private.h"
  36 #include "wine/unicode.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(dc);
  40
  41 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
  42
  43 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj );
  44
  45 static const struct gdi_obj_funcs dc_funcs =
  46 {
  47     NULL,             /* pSelectObject */
  48     NULL,             /* pGetObject16 */
  49     NULL,             /* pGetObjectA */
  50     NULL,             /* pGetObjectW */
  51     NULL,             /* pUnrealizeObject */
  52     DC_DeleteObject   /* pDeleteObject */
  53 };
  54
  55 /***********************************************************************
  56  *           DC_AllocDC
  57  */
  58 DC *DC_AllocDC( const DC_FUNCTIONS *funcs, WORD magic )
  59 {
  60     HDC hdc;
  61     DC *dc;
  62
  63     if (!(dc = GDI_AllocObject( sizeof(*dc), magic, (HGDIOBJ*)&hdc, &dc_funcs ))) return NULL;
  64
  65     dc->hSelf               = hdc;
  66     dc->funcs               = funcs;
  67     dc->physDev             = NULL;
  68     dc->saveLevel           = 0;
  69     dc->saved_dc            = 0;
  70     dc->dwHookData          = 0;
  71     dc->hookProc            = NULL;
  72     dc->hookThunk           = NULL;
  73     dc->wndOrgX             = 0;
  74     dc->wndOrgY             = 0;
  75     dc->wndExtX             = 1;
  76     dc->wndExtY             = 1;
  77     dc->vportOrgX           = 0;
  78     dc->vportOrgY           = 0;
  79     dc->vportExtX           = 1;
  80     dc->vportExtY           = 1;
  81     dc->miterLimit          = 10.0f; /* 10.0 is the default, from MSDN */
  82     dc->flags               = 0;
  83     dc->layout              = 0;
  84     dc->hClipRgn            = 0;
  85     dc->hMetaRgn            = 0;
  86     dc->hMetaClipRgn        = 0;
  87     dc->hVisRgn             = 0;
  88     dc->hPen                = GetStockObject( BLACK_PEN );
  89     dc->hBrush              = GetStockObject( WHITE_BRUSH );
  90     dc->hFont               = GetStockObject( SYSTEM_FONT );
  91     dc->hBitmap             = 0;
  92     dc->hDevice             = 0;
  93     dc->hPalette            = GetStockObject( DEFAULT_PALETTE );
  94     dc->gdiFont             = 0;
  95     dc->ROPmode             = R2_COPYPEN;
  96     dc->polyFillMode        = ALTERNATE;
  97     dc->stretchBltMode      = BLACKONWHITE;
  98     dc->relAbsMode          = ABSOLUTE;
  99     dc->backgroundMode      = OPAQUE;
 100     dc->backgroundColor     = RGB( 255, 255, 255 );
 101     dc->dcBrushColor        = RGB( 255, 255, 255 );
 102     dc->dcPenColor          = RGB( 0, 0, 0 );
 103     dc->textColor           = RGB( 0, 0, 0 );
 104     dc->brushOrgX           = 0;
 105     dc->brushOrgY           = 0;
 106     dc->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
 107     dc->charExtra           = 0;
 108     dc->breakExtra          = 0;
 109     dc->breakRem            = 0;
 110     dc->MapMode             = MM_TEXT;
 111     dc->GraphicsMode        = GM_COMPATIBLE;
 112     dc->pAbortProc          = NULL;
 113     dc->CursPosX            = 0;
 114     dc->CursPosY            = 0;
 115     dc->ArcDirection        = AD_COUNTERCLOCKWISE;
 116     dc->xformWorld2Wnd.eM11 = 1.0f;
 117     dc->xformWorld2Wnd.eM12 = 0.0f;
 118     dc->xformWorld2Wnd.eM21 = 0.0f;
 119     dc->xformWorld2Wnd.eM22 = 1.0f;
 120     dc->xformWorld2Wnd.eDx  = 0.0f;
 121     dc->xformWorld2Wnd.eDy  = 0.0f;
 122     dc->xformWorld2Vport    = dc->xformWorld2Wnd;
 123     dc->xformVport2World    = dc->xformWorld2Wnd;
 124     dc->vport2WorldValid    = TRUE;
 125     dc->BoundsRect.left     = 0;
 126     dc->BoundsRect.top      = 0;
 127     dc->BoundsRect.right    = 0;
 128     dc->BoundsRect.bottom   = 0;
 129     dc->saved_visrgn        = NULL;
 130     PATH_InitGdiPath(&dc->path);
 131     return dc;
 132 }
 133
 134
 135
 136 /***********************************************************************
 137  *           DC_GetDCPtr
 138  */
 139 DC *DC_GetDCPtr( HDC hdc )
 140 {
 141     GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE );
 142     if (!ptr) return NULL;
 143     if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) ||
 144         (GDIMAGIC(ptr->wMagic) == MEMORY_DC_MAGIC) ||
 145         (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) ||
 146         (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC))
 147         return (DC *)ptr;
 148     GDI_ReleaseObj( hdc );
 149     SetLastError( ERROR_INVALID_HANDLE );
 150     return NULL;
 151 }
 152
 153 /***********************************************************************
 154  *           DC_GetDCUpdate
 155  *
 156  * Retrieve a DC ptr while making sure the visRgn is updated.
 157  * This function may call up to USER so the GDI lock should _not_
 158  * be held when calling it.
 159  */
 160 DC *DC_GetDCUpdate( HDC hdc )
 161 {
 162     DC *dc = DC_GetDCPtr( hdc );
 163     if (!dc) return NULL;
 164     while (dc->flags & DC_DIRTY)
 165     {
 166         DCHOOKPROC proc = dc->hookThunk;
 167         dc->flags &= ~DC_DIRTY;
 168         if (proc)
 169         {
 170             DWORD data = dc->dwHookData;
 171             GDI_ReleaseObj( hdc );
 172             proc( HDC_16(hdc), DCHC_INVALIDVISRGN, data, 0 );
 173             if (!(dc = DC_GetDCPtr( hdc ))) break;
 174             /* otherwise restart the loop in case it became dirty again in the meantime */
 175         }
 176     }
 177     return dc;
 178 }
 179
 180
 181 /***********************************************************************
 182  *           DC_DeleteObject
 183  */
 184 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj )
 185 {
 186     GDI_ReleaseObj( handle );
 187     return DeleteDC( handle );
 188 }
 189
 190
 191 /***********************************************************************
 192  *           DC_InitDC
 193  *
 194  * Setup device-specific DC values for a newly created DC.
 195  */
 196 void DC_InitDC( DC* dc )
 197 {
 198     if (dc->funcs->pRealizeDefaultPalette) dc->funcs->pRealizeDefaultPalette( dc->physDev );
 199     SetTextColor( dc->hSelf, dc->textColor );
 200     SetBkColor( dc->hSelf, dc->backgroundColor );
 201     SelectObject( dc->hSelf, dc->hPen );
 202     SelectObject( dc->hSelf, dc->hBrush );
 203     SelectObject( dc->hSelf, dc->hFont );
 204     CLIPPING_UpdateGCRegion( dc );
 205 }
 206
 207
 208 /***********************************************************************
 209  *           DC_InvertXform
 210  *
 211  * Computes the inverse of the transformation xformSrc and stores it to
 212  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 213  * is singular.
 214  */
 215 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 216 {
 217     FLOAT determinant;
 218
 219     determinant = xformSrc->eM11*xformSrc->eM22 -
 220         xformSrc->eM12*xformSrc->eM21;
 221     if (determinant > -1e-12 && determinant < 1e-12)
 222         return FALSE;
 223
 224     xformDest->eM11 =  xformSrc->eM22 / determinant;
 225     xformDest->eM12 = -xformSrc->eM12 / determinant;
 226     xformDest->eM21 = -xformSrc->eM21 / determinant;
 227     xformDest->eM22 =  xformSrc->eM11 / determinant;
 228     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 229                        xformSrc->eDy * xformDest->eM21;
 230     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 231                        xformSrc->eDy * xformDest->eM22;
 232
 233     return TRUE;
 234 }
 235
 236
 237 /***********************************************************************
 238  *           DC_UpdateXforms
 239  *
 240  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 241  * fields of the specified DC by creating a transformation that
 242  * represents the current mapping mode and combining it with the DC's
 243  * world transform. This function should be called whenever the
 244  * parameters associated with the mapping mode (window and viewport
 245  * extents and origins) or the world transform change.
 246  */
 247 void DC_UpdateXforms( DC *dc )
 248 {
 249     XFORM xformWnd2Vport, oldworld2vport;
 250     FLOAT scaleX, scaleY;
 251
 252     /* Construct a transformation to do the window-to-viewport conversion */
 253     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 254     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 255     xformWnd2Vport.eM11 = scaleX;
 256     xformWnd2Vport.eM12 = 0.0;
 257     xformWnd2Vport.eM21 = 0.0;
 258     xformWnd2Vport.eM22 = scaleY;
 259     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 260         scaleX * (FLOAT)dc->wndOrgX;
 261     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 262         scaleY * (FLOAT)dc->wndOrgY;
 263
 264     oldworld2vport = dc->xformWorld2Vport;
 265     /* Combine with the world transformation */
 266     CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
 267         &xformWnd2Vport );
 268
 269     /* Create inverse of world-to-viewport transformation */
 270     dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
 271         &dc->xformVport2World );
 272
 273     /* Reselect the font and pen back into the dc so that the size
 274        gets updated. */
 275     if(memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)))
 276     {
 277         SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT));
 278         SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN));
 279     }
 280 }
 281
 282
 283 /***********************************************************************
 284  *           GetDCState   (Not a Windows API)
 285  */
 286 HDC WINAPI GetDCState( HDC hdc )
 287 {
 288     DC * newdc, * dc;
 289     HGDIOBJ handle;
 290
 291     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
 292     if (!(newdc = GDI_AllocObject( sizeof(DC), GDIMAGIC(dc->header.wMagic), &handle, &dc_funcs )))
 293     {
 294       GDI_ReleaseObj( hdc );
 295       return 0;
 296     }
 297     TRACE("(%p): returning %p\n", hdc, handle );
 298
 299     newdc->flags            = dc->flags | DC_SAVED;
 300     newdc->layout           = dc->layout;
 301     newdc->hPen             = dc->hPen;
 302     newdc->hBrush           = dc->hBrush;
 303     newdc->hFont            = dc->hFont;
 304     newdc->hBitmap          = dc->hBitmap;
 305     newdc->hDevice          = dc->hDevice;
 306     newdc->hPalette         = dc->hPalette;
 307     newdc->ROPmode          = dc->ROPmode;
 308     newdc->polyFillMode     = dc->polyFillMode;
 309     newdc->stretchBltMode   = dc->stretchBltMode;
 310     newdc->relAbsMode       = dc->relAbsMode;
 311     newdc->backgroundMode   = dc->backgroundMode;
 312     newdc->backgroundColor  = dc->backgroundColor;
 313     newdc->textColor        = dc->textColor;
 314     newdc->dcBrushColor     = dc->dcBrushColor;
 315     newdc->dcPenColor       = dc->dcPenColor;
 316     newdc->brushOrgX        = dc->brushOrgX;
 317     newdc->brushOrgY        = dc->brushOrgY;
 318     newdc->textAlign        = dc->textAlign;
 319     newdc->charExtra        = dc->charExtra;
 320     newdc->breakExtra       = dc->breakExtra;
 321     newdc->breakRem         = dc->breakRem;
 322     newdc->MapMode          = dc->MapMode;
 323     newdc->GraphicsMode     = dc->GraphicsMode;
 324     newdc->CursPosX         = dc->CursPosX;
 325     newdc->CursPosY         = dc->CursPosY;
 326     newdc->ArcDirection     = dc->ArcDirection;
 327     newdc->xformWorld2Wnd   = dc->xformWorld2Wnd;
 328     newdc->xformWorld2Vport = dc->xformWorld2Vport;
 329     newdc->xformVport2World = dc->xformVport2World;
 330     newdc->vport2WorldValid = dc->vport2WorldValid;
 331     newdc->wndOrgX          = dc->wndOrgX;
 332     newdc->wndOrgY          = dc->wndOrgY;
 333     newdc->wndExtX          = dc->wndExtX;
 334     newdc->wndExtY          = dc->wndExtY;
 335     newdc->vportOrgX        = dc->vportOrgX;
 336     newdc->vportOrgY        = dc->vportOrgY;
 337     newdc->vportExtX        = dc->vportExtX;
 338     newdc->vportExtY        = dc->vportExtY;
 339     newdc->BoundsRect       = dc->BoundsRect;
 340
 341     newdc->hSelf = (HDC)handle;
 342     newdc->saveLevel = 0;
 343     newdc->saved_dc  = 0;
 344
 345     PATH_InitGdiPath( &newdc->path );
 346
 347     newdc->pAbortProc = NULL;
 348     newdc->hookThunk  = NULL;
 349     newdc->hookProc   = 0;
 350     newdc->saved_visrgn = NULL;
 351
 352     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 353
 354     newdc->hVisRgn      = 0;
 355     newdc->hClipRgn     = 0;
 356     newdc->hMetaRgn     = 0;
 357     newdc->hMetaClipRgn = 0;
 358     if (dc->hClipRgn)
 359     {
 360         newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 361         CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
 362     }
 363     if (dc->hMetaRgn)
 364     {
 365         newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
 366         CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY );
 367     }
 368     /* don't bother recomputing hMetaClipRgn, we'll do that in SetDCState */
 369
 370     if(dc->gdiFont) {
 371         newdc->gdiFont = dc->gdiFont;
 372     } else
 373         newdc->gdiFont = 0;
 374
 375     GDI_ReleaseObj( handle );
 376     GDI_ReleaseObj( hdc );
 377     return handle;
 378 }
 379
 380
 381 /***********************************************************************
 382  *           SetDCState   (Not a Windows API)
 383  */
 384 void WINAPI SetDCState( HDC hdc, HDC hdcs )
 385 {
 386     DC *dc, *dcs;
 387
 388     if (!(dc = DC_GetDCUpdate( hdc ))) return;
 389     if (!(dcs = DC_GetDCPtr( hdcs )))
 390     {
 391       GDI_ReleaseObj( hdc );
 392       return;
 393     }
 394     if (!dcs->flags & DC_SAVED)
 395     {
 396       GDI_ReleaseObj( hdc );
 397       GDI_ReleaseObj( hdcs );
 398       return;
 399     }
 400     TRACE("%p %p\n", hdc, hdcs );
 401
 402     dc->flags            = dcs->flags & ~(DC_SAVED | DC_DIRTY);
 403     dc->layout           = dcs->layout;
 404     dc->hDevice          = dcs->hDevice;
 405     dc->ROPmode          = dcs->ROPmode;
 406     dc->polyFillMode     = dcs->polyFillMode;
 407     dc->stretchBltMode   = dcs->stretchBltMode;
 408     dc->relAbsMode       = dcs->relAbsMode;
 409     dc->backgroundMode   = dcs->backgroundMode;
 410     dc->backgroundColor  = dcs->backgroundColor;
 411     dc->textColor        = dcs->textColor;
 412     dc->dcBrushColor     = dcs->dcBrushColor;
 413     dc->dcPenColor       = dcs->dcPenColor;
 414     dc->brushOrgX        = dcs->brushOrgX;
 415     dc->brushOrgY        = dcs->brushOrgY;
 416     dc->textAlign        = dcs->textAlign;
 417     dc->charExtra        = dcs->charExtra;
 418     dc->breakExtra       = dcs->breakExtra;
 419     dc->breakRem         = dcs->breakRem;
 420     dc->MapMode          = dcs->MapMode;
 421     dc->GraphicsMode     = dcs->GraphicsMode;
 422     dc->CursPosX         = dcs->CursPosX;
 423     dc->CursPosY         = dcs->CursPosY;
 424     dc->ArcDirection     = dcs->ArcDirection;
 425     dc->xformWorld2Wnd   = dcs->xformWorld2Wnd;
 426     dc->xformWorld2Vport = dcs->xformWorld2Vport;
 427     dc->xformVport2World = dcs->xformVport2World;
 428     dc->vport2WorldValid = dcs->vport2WorldValid;
 429     dc->BoundsRect       = dcs->BoundsRect;
 430
 431     dc->wndOrgX          = dcs->wndOrgX;
 432     dc->wndOrgY          = dcs->wndOrgY;
 433     dc->wndExtX          = dcs->wndExtX;
 434     dc->wndExtY          = dcs->wndExtY;
 435     dc->vportOrgX        = dcs->vportOrgX;
 436     dc->vportOrgY        = dcs->vportOrgY;
 437     dc->vportExtX        = dcs->vportExtX;
 438     dc->vportExtY        = dcs->vportExtY;
 439
 440     if (dcs->hClipRgn)
 441     {
 442         if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 443         CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
 444     }
 445     else
 446     {
 447         if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 448         dc->hClipRgn = 0;
 449     }
 450     if (dcs->hMetaRgn)
 451     {
 452         if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
 453         CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY );
 454     }
 455     else
 456     {
 457         if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
 458         dc->hMetaRgn = 0;
 459     }
 460     CLIPPING_UpdateGCRegion( dc );
 461
 462     SelectObject( hdc, dcs->hBitmap );
 463     SelectObject( hdc, dcs->hBrush );
 464     SelectObject( hdc, dcs->hFont );
 465     SelectObject( hdc, dcs->hPen );
 466     SetBkColor( hdc, dcs->backgroundColor);
 467     SetTextColor( hdc, dcs->textColor);
 468     GDISelectPalette( hdc, dcs->hPalette, FALSE );
 469     GDI_ReleaseObj( hdcs );
 470     GDI_ReleaseObj( hdc );
 471 }
 472
 473
 474 /***********************************************************************
 475  *           GetDCState   (GDI.179)
 476  */
 477 HDC16 WINAPI GetDCState16( HDC16 hdc )
 478 {
 479     return HDC_16( GetDCState( HDC_32(hdc) ));
 480 }
 481
 482
 483 /***********************************************************************
 484  *           SetDCState   (GDI.180)
 485  */
 486 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 487 {
 488     SetDCState( HDC_32(hdc), HDC_32(hdcs) );
 489 }
 490
 491
 492 /***********************************************************************
 493  *           SaveDC    (GDI32.@)
 494  */
 495 INT WINAPI SaveDC( HDC hdc )
 496 {
 497     HDC hdcs;
 498     DC * dc, * dcs;
 499     INT ret;
 500
 501     dc = DC_GetDCPtr( hdc );
 502     if (!dc) return 0;
 503
 504     if(dc->funcs->pSaveDC)
 505     {
 506         ret = dc->funcs->pSaveDC( dc->physDev );
 507         if(ret)
 508             ret = ++dc->saveLevel;
 509         GDI_ReleaseObj( hdc );
 510         return ret;
 511     }
 512
 513     if (!(hdcs = GetDCState( hdc )))
 514     {
 515       GDI_ReleaseObj( hdc );
 516       return 0;
 517     }
 518     dcs = DC_GetDCPtr( hdcs );
 519
 520     /* Copy path. The reason why path saving / restoring is in SaveDC/
 521      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 522      * functions are only in Win16 (which doesn't have paths) and that
 523      * SetDCState doesn't allow us to signal an error (which can happen
 524      * when copying paths).
 525      */
 526     if (!PATH_AssignGdiPath( &dcs->path, &dc->path ))
 527     {
 528         GDI_ReleaseObj( hdc );
 529         GDI_ReleaseObj( hdcs );
 530         DeleteDC( hdcs );
 531         return 0;
 532     }
 533
 534     dcs->saved_dc = dc->saved_dc;
 535     dc->saved_dc = hdcs;
 536     TRACE("(%p): returning %d\n", hdc, dc->saveLevel+1 );
 537     ret = ++dc->saveLevel;
 538     GDI_ReleaseObj( hdcs );
 539     GDI_ReleaseObj( hdc );
 540     return ret;
 541 }
 542
 543
 544 /***********************************************************************
 545  *           RestoreDC    (GDI32.@)
 546  */
 547 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 548 {
 549     DC * dc, * dcs;
 550     BOOL success;
 551
 552     TRACE("%p %d\n", hdc, level );
 553     dc = DC_GetDCUpdate( hdc );
 554     if(!dc) return FALSE;
 555
 556     if(abs(level) > dc->saveLevel || level == 0)
 557     {
 558         GDI_ReleaseObj( hdc );
 559         return FALSE;
 560     }
 561
 562     if(dc->funcs->pRestoreDC)
 563     {
 564         success = dc->funcs->pRestoreDC( dc->physDev, level );
 565         if(level < 0) level = dc->saveLevel + level + 1;
 566         if(success)
 567             dc->saveLevel = level - 1;
 568         GDI_ReleaseObj( hdc );
 569         return success;
 570     }
 571
 572     if (level < 0) level = dc->saveLevel + level + 1;
 573     success=TRUE;
 574     while (dc->saveLevel >= level)
 575     {
 576         HDC hdcs = dc->saved_dc;
 577         if (!(dcs = DC_GetDCPtr( hdcs )))
 578         {
 579           GDI_ReleaseObj( hdc );
 580           return FALSE;
 581         }
 582         dc->saved_dc = dcs->saved_dc;
 583         dcs->saved_dc = 0;
 584         if (--dc->saveLevel < level)
 585         {
 586             SetDCState( hdc, hdcs );
 587             if (!PATH_AssignGdiPath( &dc->path, &dcs->path ))
 588                 /* FIXME: This might not be quite right, since we're
 589                  * returning FALSE but still destroying the saved DC state */
 590                 success=FALSE;
 591         }
 592         GDI_ReleaseObj( hdcs );
 593         GDI_ReleaseObj( hdc );
 594         DeleteDC( hdcs );
 595         if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 596     }
 597     GDI_ReleaseObj( hdc );
 598     return success;
 599 }
 600
 601
 602 /***********************************************************************
 603  *           CreateDCW    (GDI32.@)
 604  */
 605 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 606                       const DEVMODEW *initData )
 607 {
 608     HDC hdc;
 609     DC * dc;
 610     const DC_FUNCTIONS *funcs;
 611     WCHAR buf[300];
 612
 613     GDI_CheckNotLock();
 614
 615     if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
 616     {
 617         if (!driver)
 618         {
 619             ERR( "no device found for %s\n", debugstr_w(device) );
 620             return 0;
 621         }
 622         strcpyW(buf, driver);
 623     }
 624
 625     if (!(funcs = DRIVER_load_driver( buf )))
 626     {
 627         ERR( "no driver found for %s\n", debugstr_w(buf) );
 628         return 0;
 629     }
 630     if (!(dc = DC_AllocDC( funcs, DC_MAGIC )))
 631     {
 632         DRIVER_release_driver( funcs );
 633         return 0;
 634     }
 635     hdc = dc->hSelf;
 636
 637     dc->hBitmap = GetStockObject( DEFAULT_BITMAP );
 638
 639     TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
 640           debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
 641
 642     if (dc->funcs->pCreateDC &&
 643         !dc->funcs->pCreateDC( hdc, &dc->physDev, buf, device, output, initData ))
 644     {
 645         WARN("creation aborted by device\n" );
 646         GDI_FreeObject( dc->hSelf, dc );
 647         DRIVER_release_driver( funcs );
 648         return 0;
 649     }
 650
 651     dc->hVisRgn = CreateRectRgn( 0, 0, GetDeviceCaps( hdc, HORZRES ),
 652                                  GetDeviceCaps( hdc, VERTRES ) );
 653
 654     DC_InitDC( dc );
 655     GDI_ReleaseObj( hdc );
 656     return hdc;
 657 }
 658
 659
 660 /***********************************************************************
 661  *           CreateDCA    (GDI32.@)
 662  */
 663 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 664                       const DEVMODEA *initData )
 665 {
 666     UNICODE_STRING driverW, deviceW, outputW;
 667     DEVMODEW *initDataW;
 668     HDC ret;
 669
 670     if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
 671     else driverW.Buffer = NULL;
 672
 673     if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
 674     else deviceW.Buffer = NULL;
 675
 676     if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
 677     else outputW.Buffer = NULL;
 678
 679     initDataW = NULL;
 680     if (initData)
 681     {
 682         /* don't convert initData for DISPLAY driver, it's not used */
 683         if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW ))
 684             initDataW = GdiConvertToDevmodeW(initData);
 685     }
 686
 687     ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
 688
 689     RtlFreeUnicodeString(&driverW);
 690     RtlFreeUnicodeString(&deviceW);
 691     RtlFreeUnicodeString(&outputW);
 692     HeapFree(GetProcessHeap(), 0, initDataW);
 693     return ret;
 694 }
 695
 696
 697 /***********************************************************************
 698  *           CreateICA    (GDI32.@)
 699  */
 700 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 701                           const DEVMODEA* initData )
 702 {
 703       /* Nothing special yet for ICs */
 704     return CreateDCA( driver, device, output, initData );
 705 }
 706
 707
 708 /***********************************************************************
 709  *           CreateICW    (GDI32.@)
 710  */
 711 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 712                           const DEVMODEW* initData )
 713 {
 714       /* Nothing special yet for ICs */
 715     return CreateDCW( driver, device, output, initData );
 716 }
 717
 718
 719 /***********************************************************************
 720  *           CreateCompatibleDC   (GDI32.@)
 721  */
 722 HDC WINAPI CreateCompatibleDC( HDC hdc )
 723 {
 724     DC *dc, *origDC;
 725     const DC_FUNCTIONS *funcs;
 726     PHYSDEV physDev;
 727
 728     GDI_CheckNotLock();
 729
 730     if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC )))
 731     {
 732         funcs = origDC->funcs;
 733         physDev = origDC->physDev;
 734         GDI_ReleaseObj( hdc ); /* can't hold the lock while loading the driver */
 735         funcs = DRIVER_get_driver( funcs );
 736     }
 737     else
 738     {
 739         funcs = DRIVER_load_driver( displayW );
 740         physDev = NULL;
 741     }
 742
 743     if (!funcs) return 0;
 744
 745     if (!(dc = DC_AllocDC( funcs, MEMORY_DC_MAGIC )))
 746     {
 747         DRIVER_release_driver( funcs );
 748         return 0;
 749     }
 750
 751     TRACE("(%p): returning %p\n", hdc, dc->hSelf );
 752
 753     dc->hBitmap = GetStockObject( DEFAULT_BITMAP );
 754
 755     /* Copy the driver-specific physical device info into
 756      * the new DC. The driver may use this read-only info
 757      * while creating the compatible DC below. */
 758     dc->physDev = physDev;
 759
 760     if (dc->funcs->pCreateDC &&
 761         !dc->funcs->pCreateDC( dc->hSelf, &dc->physDev, NULL, NULL, NULL, NULL ))
 762     {
 763         WARN("creation aborted by device\n");
 764         GDI_FreeObject( dc->hSelf, dc );
 765         DRIVER_release_driver( funcs );
 766         return 0;
 767     }
 768
 769     dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 );  /* default bitmap is 1x1 */
 770
 771     DC_InitDC( dc );
 772     GDI_ReleaseObj( dc->hSelf );
 773     return dc->hSelf;
 774 }
 775
 776
 777 /***********************************************************************
 778  *           DeleteDC    (GDI32.@)
 779  */
 780 BOOL WINAPI DeleteDC( HDC hdc )
 781 {
 782     const DC_FUNCTIONS *funcs = NULL;
 783     DC * dc;
 784
 785     TRACE("%p\n", hdc );
 786
 787     GDI_CheckNotLock();
 788
 789     if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 790
 791     /* Call hook procedure to check whether is it OK to delete this DC */
 792     if (dc->hookThunk)
 793     {
 794         DCHOOKPROC proc = dc->hookThunk;
 795         DWORD data = dc->dwHookData;
 796         GDI_ReleaseObj( hdc );
 797         if (!proc( HDC_16(hdc), DCHC_DELETEDC, data, 0 )) return FALSE;
 798         if (!(dc = DC_GetDCPtr( hdc ))) return TRUE;  /* deleted by the hook */
 799     }
 800
 801     while (dc->saveLevel)
 802     {
 803         DC * dcs;
 804         HDC hdcs = dc->saved_dc;
 805         if (!(dcs = DC_GetDCPtr( hdcs ))) break;
 806         dc->saved_dc = dcs->saved_dc;
 807         dc->saveLevel--;
 808         if (dcs->hClipRgn) DeleteObject( dcs->hClipRgn );
 809         if (dcs->hMetaRgn) DeleteObject( dcs->hMetaRgn );
 810         if (dcs->hMetaClipRgn) DeleteObject( dcs->hMetaClipRgn );
 811         if (dcs->hVisRgn) DeleteObject( dcs->hVisRgn );
 812         PATH_DestroyGdiPath(&dcs->path);
 813         GDI_FreeObject( hdcs, dcs );
 814     }
 815
 816     if (!(dc->flags & DC_SAVED))
 817     {
 818         SelectObject( hdc, GetStockObject(BLACK_PEN) );
 819         SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
 820         SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
 821         SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
 822         funcs = dc->funcs;
 823         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc->physDev);
 824         dc->physDev = NULL;
 825     }
 826
 827     while (dc->saved_visrgn)
 828     {
 829         struct saved_visrgn *next = dc->saved_visrgn->next;
 830         DeleteObject( dc->saved_visrgn->hrgn );
 831         HeapFree( GetProcessHeap(), 0, dc->saved_visrgn );
 832         dc->saved_visrgn = next;
 833     }
 834     if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 835     if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
 836     if (dc->hMetaClipRgn) DeleteObject( dc->hMetaClipRgn );
 837     if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
 838     PATH_DestroyGdiPath(&dc->path);
 839
 840     GDI_FreeObject( hdc, dc );
 841     if (funcs) DRIVER_release_driver( funcs );  /* do that after releasing the GDI lock */
 842     return TRUE;
 843 }
 844
 845
 846 /***********************************************************************
 847  *           ResetDCW    (GDI32.@)
 848  */
 849 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 850 {
 851     DC *dc;
 852     HDC ret = hdc;
 853
 854     if ((dc = DC_GetDCPtr( hdc )))
 855     {
 856         if (dc->funcs->pResetDC) ret = dc->funcs->pResetDC( dc->physDev, devmode );
 857         GDI_ReleaseObj( hdc );
 858     }
 859     return ret;
 860 }
 861
 862
 863 /***********************************************************************
 864  *           ResetDCA    (GDI32.@)
 865  */
 866 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 867 {
 868     DEVMODEW *devmodeW;
 869     HDC ret;
 870
 871     if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
 872     else devmodeW = NULL;
 873
 874     ret = ResetDCW(hdc, devmodeW);
 875
 876     HeapFree(GetProcessHeap(), 0, devmodeW);
 877     return ret;
 878 }
 879
 880
 881 /***********************************************************************
 882  *           GetDeviceCaps    (GDI32.@)
 883  */
 884 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 885 {
 886     DC *dc;
 887     INT ret = 0;
 888
 889     if ((dc = DC_GetDCPtr( hdc )))
 890     {
 891         if (dc->funcs->pGetDeviceCaps) ret = dc->funcs->pGetDeviceCaps( dc->physDev, cap );
 892         else switch(cap)  /* return meaningful values for some entries */
 893         {
 894         case HORZRES:     ret = 640; break;
 895         case VERTRES:     ret = 480; break;
 896         case BITSPIXEL:   ret = 1; break;
 897         case PLANES:      ret = 1; break;
 898         case NUMCOLORS:   ret = 2; break;
 899         case ASPECTX:     ret = 36; break;
 900         case ASPECTY:     ret = 36; break;
 901         case ASPECTXY:    ret = 51; break;
 902         case LOGPIXELSX:  ret = 72; break;
 903         case LOGPIXELSY:  ret = 72; break;
 904         case SIZEPALETTE: ret = 2; break;
 905         }
 906         GDI_ReleaseObj( hdc );
 907     }
 908     return ret;
 909 }
 910
 911
 912 /***********************************************************************
 913  *              GetBkColor (GDI32.@)
 914  */
 915 COLORREF WINAPI GetBkColor( HDC hdc )
 916 {
 917     COLORREF ret = 0;
 918     DC * dc = DC_GetDCPtr( hdc );
 919     if (dc)
 920     {
 921         ret = dc->backgroundColor;
 922         GDI_ReleaseObj( hdc );
 923     }
 924     return ret;
 925 }
 926
 927
 928 /***********************************************************************
 929  *           SetBkColor    (GDI32.@)
 930  */
 931 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 932 {
 933     COLORREF oldColor;
 934     DC * dc = DC_GetDCPtr( hdc );
 935
 936     TRACE("hdc=%p color=0x%08lx\n", hdc, color);
 937
 938     if (!dc) return CLR_INVALID;
 939     oldColor = dc->backgroundColor;
 940     if (dc->funcs->pSetBkColor)
 941     {
 942         color = dc->funcs->pSetBkColor(dc->physDev, color);
 943         if (color == CLR_INVALID)  /* don't change it */
 944         {
 945             color = oldColor;
 946             oldColor = CLR_INVALID;
 947         }
 948     }
 949     dc->backgroundColor = color;
 950     GDI_ReleaseObj( hdc );
 951     return oldColor;
 952 }
 953
 954
 955 /***********************************************************************
 956  *              GetTextColor (GDI32.@)
 957  */
 958 COLORREF WINAPI GetTextColor( HDC hdc )
 959 {
 960     COLORREF ret = 0;
 961     DC * dc = DC_GetDCPtr( hdc );
 962     if (dc)
 963     {
 964         ret = dc->textColor;
 965         GDI_ReleaseObj( hdc );
 966     }
 967     return ret;
 968 }
 969
 970
 971 /***********************************************************************
 972  *           SetTextColor    (GDI32.@)
 973  */
 974 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 975 {
 976     COLORREF oldColor;
 977     DC * dc = DC_GetDCPtr( hdc );
 978
 979     TRACE(" hdc=%p color=0x%08lx\n", hdc, color);
 980
 981     if (!dc) return CLR_INVALID;
 982     oldColor = dc->textColor;
 983     if (dc->funcs->pSetTextColor)
 984     {
 985         color = dc->funcs->pSetTextColor(dc->physDev, color);
 986         if (color == CLR_INVALID)  /* don't change it */
 987         {
 988             color = oldColor;
 989             oldColor = CLR_INVALID;
 990         }
 991     }
 992     dc->textColor = color;
 993     GDI_ReleaseObj( hdc );
 994     return oldColor;
 995 }
 996
 997
 998 /***********************************************************************
 999  *              GetTextAlign (GDI32.@)
1000  */
1001 UINT WINAPI GetTextAlign( HDC hdc )
1002 {
1003     UINT ret = 0;
1004     DC * dc = DC_GetDCPtr( hdc );
1005     if (dc)
1006     {
1007         ret = dc->textAlign;
1008         GDI_ReleaseObj( hdc );
1009     }
1010     return ret;
1011 }
1012
1013
1014 /***********************************************************************
1015  *           SetTextAlign    (GDI32.@)
1016  */
1017 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
1018 {
1019     UINT ret;
1020     DC *dc = DC_GetDCPtr( hdc );
1021
1022     TRACE("hdc=%p align=%d\n", hdc, align);
1023
1024     if (!dc) return 0x0;
1025     ret = dc->textAlign;
1026     if (dc->funcs->pSetTextAlign)
1027         if (!dc->funcs->pSetTextAlign(dc->physDev, align))
1028             ret = GDI_ERROR;
1029     if (ret != GDI_ERROR)
1030         dc->textAlign = align;
1031     GDI_ReleaseObj( hdc );
1032     return ret;
1033 }
1034
1035 /***********************************************************************
1036  *           GetDCOrgEx  (GDI32.@)
1037  */
1038 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
1039 {
1040     DC * dc;
1041
1042     if (!lpp) return FALSE;
1043     if (!(dc = DC_GetDCPtr( hDC ))) return FALSE;
1044
1045     lpp->x = lpp->y = 0;
1046     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc->physDev, lpp );
1047     GDI_ReleaseObj( hDC );
1048     return TRUE;
1049 }
1050
1051
1052 /***********************************************************************
1053  *           SetDCOrg   (GDI.117)
1054  */
1055 DWORD WINAPI SetDCOrg16( HDC16 hdc16, INT16 x, INT16 y )
1056 {
1057     DWORD prevOrg = 0;
1058     HDC hdc = HDC_32( hdc16 );
1059     DC *dc = DC_GetDCPtr( hdc );
1060     if (!dc) return 0;
1061     if (dc->funcs->pSetDCOrg) prevOrg = dc->funcs->pSetDCOrg( dc->physDev, x, y );
1062     GDI_ReleaseObj( hdc );
1063     return prevOrg;
1064 }
1065
1066
1067 /***********************************************************************
1068  *              GetGraphicsMode (GDI32.@)
1069  */
1070 INT WINAPI GetGraphicsMode( HDC hdc )
1071 {
1072     INT ret = 0;
1073     DC * dc = DC_GetDCPtr( hdc );
1074     if (dc)
1075     {
1076         ret = dc->GraphicsMode;
1077         GDI_ReleaseObj( hdc );
1078     }
1079     return ret;
1080 }
1081
1082
1083 /***********************************************************************
1084  *           SetGraphicsMode    (GDI32.@)
1085  */
1086 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
1087 {
1088     INT ret = 0;
1089     DC *dc = DC_GetDCPtr( hdc );
1090
1091     /* One would think that setting the graphics mode to GM_COMPATIBLE
1092      * would also reset the world transformation matrix to the unity
1093      * matrix. However, in Windows, this is not the case. This doesn't
1094      * make a lot of sense to me, but that's the way it is.
1095      */
1096     if (!dc) return 0;
1097     if ((mode > 0) && (mode <= GM_LAST))
1098     {
1099         ret = dc->GraphicsMode;
1100         dc->GraphicsMode = mode;
1101     }
1102     GDI_ReleaseObj( hdc );
1103     return ret;
1104 }
1105
1106
1107 /***********************************************************************
1108  *              GetArcDirection (GDI32.@)
1109  */
1110 INT WINAPI GetArcDirection( HDC hdc )
1111 {
1112     INT ret = 0;
1113     DC * dc = DC_GetDCPtr( hdc );
1114     if (dc)
1115     {
1116         ret = dc->ArcDirection;
1117         GDI_ReleaseObj( hdc );
1118     }
1119     return ret;
1120 }
1121
1122
1123 /***********************************************************************
1124  *           SetArcDirection    (GDI32.@)
1125  */
1126 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1127 {
1128     DC * dc;
1129     INT nOldDirection = 0;
1130
1131     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1132     {
1133         SetLastError(ERROR_INVALID_PARAMETER);
1134         return 0;
1135     }
1136
1137     if ((dc = DC_GetDCPtr( hdc )))
1138     {
1139         if (dc->funcs->pSetArcDirection)
1140         {
1141             dc->funcs->pSetArcDirection(dc->physDev, nDirection);
1142         }
1143         nOldDirection = dc->ArcDirection;
1144         dc->ArcDirection = nDirection;
1145         GDI_ReleaseObj( hdc );
1146     }
1147     return nOldDirection;
1148 }
1149
1150
1151 /***********************************************************************
1152  *           GetWorldTransform    (GDI32.@)
1153  */
1154 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1155 {
1156     DC * dc;
1157     if (!xform) return FALSE;
1158     if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
1159     *xform = dc->xformWorld2Wnd;
1160     GDI_ReleaseObj( hdc );
1161     return TRUE;
1162 }
1163
1164
1165 /***********************************************************************
1166  *           GetTransform    (GDI32.@)
1167  */
1168 BOOL WINAPI GetTransform( HDC hdc, DWORD unknown, LPXFORM xform )
1169 {
1170     if (unknown == 0x0203) return GetWorldTransform( hdc, xform );
1171     FIXME("stub: don't know what to do for code %lx\n", unknown );
1172     return FALSE;
1173 }
1174
1175
1176 /***********************************************************************
1177  *           SetWorldTransform    (GDI32.@)
1178  */
1179 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1180 {
1181     BOOL ret = FALSE;
1182     DC *dc = DC_GetDCPtr( hdc );
1183
1184     if (!dc) return FALSE;
1185     if (!xform) goto done;
1186
1187     /* Check that graphics mode is GM_ADVANCED */
1188     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1189
1190     if (dc->funcs->pSetWorldTransform)
1191     {
1192         ret = dc->funcs->pSetWorldTransform(dc->physDev, xform);
1193         if (!ret) goto done;
1194     }
1195
1196     dc->xformWorld2Wnd = *xform;
1197     DC_UpdateXforms( dc );
1198     ret = TRUE;
1199  done:
1200     GDI_ReleaseObj( hdc );
1201     return ret;
1202 }
1203
1204
1205 /****************************************************************************
1206  * ModifyWorldTransform [GDI32.@]
1207  * Modifies the world transformation for a device context.
1208  *
1209  * PARAMS
1210  *    hdc   [I] Handle to device context
1211  *    xform [I] XFORM structure that will be used to modify the world
1212  *              transformation
1213  *    iMode [I] Specifies in what way to modify the world transformation
1214  *              Possible values:
1215  *              MWT_IDENTITY
1216  *                 Resets the world transformation to the identity matrix.
1217  *                 The parameter xform is ignored.
1218  *              MWT_LEFTMULTIPLY
1219  *                 Multiplies xform into the world transformation matrix from
1220  *                 the left.
1221  *              MWT_RIGHTMULTIPLY
1222  *                 Multiplies xform into the world transformation matrix from
1223  *                 the right.
1224  *
1225  * RETURNS
1226  *  Success: TRUE.
1227  *  Failure: FALSE. Use GetLastError() to determine the cause.
1228  */
1229 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1230     DWORD iMode )
1231 {
1232     BOOL ret = FALSE;
1233     DC *dc = DC_GetDCPtr( hdc );
1234
1235     /* Check for illegal parameters */
1236     if (!dc) return FALSE;
1237     if (!xform && iMode != MWT_IDENTITY) goto done;
1238
1239     /* Check that graphics mode is GM_ADVANCED */
1240     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1241
1242     if (dc->funcs->pModifyWorldTransform)
1243     {
1244         ret = dc->funcs->pModifyWorldTransform(dc->physDev, xform, iMode);
1245         if (!ret) goto done;
1246     }
1247
1248     switch (iMode)
1249     {
1250         case MWT_IDENTITY:
1251             dc->xformWorld2Wnd.eM11 = 1.0f;
1252             dc->xformWorld2Wnd.eM12 = 0.0f;
1253             dc->xformWorld2Wnd.eM21 = 0.0f;
1254             dc->xformWorld2Wnd.eM22 = 1.0f;
1255             dc->xformWorld2Wnd.eDx  = 0.0f;
1256             dc->xformWorld2Wnd.eDy  = 0.0f;
1257             break;
1258         case MWT_LEFTMULTIPLY:
1259             CombineTransform( &dc->xformWorld2Wnd, xform,
1260                 &dc->xformWorld2Wnd );
1261             break;
1262         case MWT_RIGHTMULTIPLY:
1263             CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd,
1264                 xform );
1265             break;
1266         default:
1267             goto done;
1268     }
1269
1270     DC_UpdateXforms( dc );
1271     ret = TRUE;
1272  done:
1273     GDI_ReleaseObj( hdc );
1274     return ret;
1275 }
1276
1277
1278 /****************************************************************************
1279  * CombineTransform [GDI32.@]
1280  * Combines two transformation matrices.
1281  *
1282  * PARAMS
1283  *    xformResult [O] Stores the result of combining the two matrices
1284  *    xform1      [I] Specifies the first matrix to apply
1285  *    xform2      [I] Specifies the second matrix to apply
1286  *
1287  * REMARKS
1288  *    The same matrix can be passed in for more than one of the parameters.
1289  *
1290  * RETURNS
1291  *  Success: TRUE.
1292  *  Failure: FALSE. Use GetLastError() to determine the cause.
1293  */
1294 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1295     const XFORM *xform2 )
1296 {
1297     XFORM xformTemp;
1298
1299     /* Check for illegal parameters */
1300     if (!xformResult || !xform1 || !xform2)
1301         return FALSE;
1302
1303     /* Create the result in a temporary XFORM, since xformResult may be
1304      * equal to xform1 or xform2 */
1305     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1306                      xform1->eM12 * xform2->eM21;
1307     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1308                      xform1->eM12 * xform2->eM22;
1309     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1310                      xform1->eM22 * xform2->eM21;
1311     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1312                      xform1->eM22 * xform2->eM22;
1313     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1314                      xform1->eDy  * xform2->eM21 +
1315                      xform2->eDx;
1316     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1317                      xform1->eDy  * xform2->eM22 +
1318                      xform2->eDy;
1319
1320     /* Copy the result to xformResult */
1321     *xformResult = xformTemp;
1322
1323     return TRUE;
1324 }
1325
1326
1327 /***********************************************************************
1328  *           SetDCHook   (GDI32.@)
1329  *
1330  * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1331  */
1332 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD dwHookData )
1333 {
1334     DC *dc = GDI_GetObjPtr( hdc, DC_MAGIC );
1335
1336     if (!dc) return FALSE;
1337
1338     if (!(dc->flags & DC_SAVED))
1339     {
1340         dc->dwHookData = dwHookData;
1341         dc->hookThunk = hookProc;
1342     }
1343     GDI_ReleaseObj( hdc );
1344     return TRUE;
1345 }
1346
1347
1348 /* relay function to call the 16-bit DC hook proc */
1349 static BOOL16 WINAPI call_dc_hook16( HDC16 hdc16, WORD code, DWORD data, LPARAM lParam )
1350 {
1351     WORD args[6];
1352     DWORD ret;
1353     FARPROC16 proc = NULL;
1354     HDC hdc = HDC_32( hdc16 );
1355     DC *dc = DC_GetDCPtr( hdc );
1356
1357     if (!dc) return FALSE;
1358     proc = dc->hookProc;
1359     GDI_ReleaseObj( hdc );
1360     if (!proc) return FALSE;
1361     args[5] = hdc16;
1362     args[4] = code;
1363     args[3] = HIWORD(data);
1364     args[2] = LOWORD(data);
1365     args[1] = HIWORD(lParam);
1366     args[0] = LOWORD(lParam);
1367     WOWCallback16Ex( (DWORD)proc, WCB16_PASCAL, sizeof(args), args, &ret );
1368     return LOWORD(ret);
1369 }
1370
1371 /***********************************************************************
1372  *           SetDCHook   (GDI.190)
1373  */
1374 BOOL16 WINAPI SetDCHook16( HDC16 hdc16, FARPROC16 hookProc, DWORD dwHookData )
1375 {
1376     HDC hdc = HDC_32( hdc16 );
1377     DC *dc = DC_GetDCPtr( hdc );
1378     if (!dc) return FALSE;
1379
1380     dc->hookProc = hookProc;
1381     GDI_ReleaseObj( hdc );
1382     return SetDCHook( hdc, call_dc_hook16, dwHookData );
1383 }
1384
1385
1386 /***********************************************************************
1387  *           GetDCHook   (GDI.191)
1388  */
1389 DWORD WINAPI GetDCHook16( HDC16 hdc16, FARPROC16 *phookProc )
1390 {
1391     HDC hdc = HDC_32( hdc16 );
1392     DC *dc = DC_GetDCPtr( hdc );
1393     DWORD ret;
1394
1395     if (!dc) return 0;
1396     *phookProc = dc->hookProc;
1397     ret = dc->dwHookData;
1398     GDI_ReleaseObj( hdc );
1399     return ret;
1400 }
1401
1402
1403 /***********************************************************************
1404  *           SetHookFlags   (GDI.192)
1405  */
1406 WORD WINAPI SetHookFlags16(HDC16 hdc16, WORD flags)
1407 {
1408     HDC hdc = HDC_32( hdc16 );
1409     DC *dc = DC_GetDCPtr( hdc );
1410
1411     if( dc )
1412     {
1413         WORD wRet = dc->flags & DC_DIRTY;
1414
1415         /* "Undocumented Windows" info is slightly confusing.
1416          */
1417
1418         TRACE("hDC %p, flags %04x\n",hdc,flags);
1419
1420         if( flags & DCHF_INVALIDATEVISRGN )
1421             dc->flags |= DC_DIRTY;
1422         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1423             dc->flags &= ~DC_DIRTY;
1424         GDI_ReleaseObj( hdc );
1425         return wRet;
1426     }
1427     return 0;
1428 }
1429
1430 /***********************************************************************
1431  *           SetICMMode    (GDI32.@)
1432  */
1433 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1434 {
1435 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1436     if (iEnableICM == ICM_OFF) return ICM_OFF;
1437     if (iEnableICM == ICM_ON) return 0;
1438     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1439     return 0;
1440 }
1441
1442 /***********************************************************************
1443  *           GetDeviceGammaRamp    (GDI32.@)
1444  */
1445 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1446 {
1447     BOOL ret = FALSE;
1448     DC *dc = DC_GetDCPtr( hDC );
1449
1450     if( dc )
1451     {
1452         if (dc->funcs->pGetDeviceGammaRamp)
1453             ret = dc->funcs->pGetDeviceGammaRamp(dc->physDev, ptr);
1454         GDI_ReleaseObj( hDC );
1455     }
1456     return ret;
1457 }
1458
1459 /***********************************************************************
1460  *           SetDeviceGammaRamp    (GDI32.@)
1461  */
1462 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1463 {
1464     BOOL ret = FALSE;
1465     DC *dc = DC_GetDCPtr( hDC );
1466
1467     if( dc )
1468     {
1469         if (dc->funcs->pSetDeviceGammaRamp)
1470             ret = dc->funcs->pSetDeviceGammaRamp(dc->physDev, ptr);
1471         GDI_ReleaseObj( hDC );
1472     }
1473     return ret;
1474 }
1475
1476 /***********************************************************************
1477  *           GetColorSpace    (GDI32.@)
1478  */
1479 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1480 {
1481 /*FIXME    Need to to whatever GetColorSpace actually does */
1482     return 0;
1483 }
1484
1485 /***********************************************************************
1486  *           CreateColorSpaceA    (GDI32.@)
1487  */
1488 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1489 {
1490   FIXME( "stub\n" );
1491   return 0;
1492 }
1493
1494 /***********************************************************************
1495  *           CreateColorSpaceW    (GDI32.@)
1496  */
1497 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1498 {
1499   FIXME( "stub\n" );
1500   return 0;
1501 }
1502
1503 /***********************************************************************
1504  *           DeleteColorSpace     (GDI32.@)
1505  */
1506 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1507 {
1508   FIXME( "stub\n" );
1509
1510   return TRUE;
1511 }
1512
1513 /***********************************************************************
1514  *           SetColorSpace     (GDI32.@)
1515  */
1516 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1517 {
1518   FIXME( "stub\n" );
1519
1520   return hColorSpace;
1521 }
1522
1523 /***********************************************************************
1524  *           GetBoundsRect    (GDI32.@)
1525  */
1526 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1527 {
1528     UINT ret;
1529     DC *dc = DC_GetDCPtr( hdc );
1530
1531     if ( !dc ) return 0;
1532
1533     if (rect) *rect = dc->BoundsRect;
1534
1535     ret = ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1536
1537     if (flags & DCB_RESET)
1538     {
1539         dc->BoundsRect.left   = 0;
1540         dc->BoundsRect.top    = 0;
1541         dc->BoundsRect.right  = 0;
1542         dc->BoundsRect.bottom = 0;
1543         dc->flags &= ~DC_BOUNDS_SET;
1544     }
1545     GDI_ReleaseObj( hdc );
1546     return ret;
1547 }
1548
1549
1550 /***********************************************************************
1551  *           SetBoundsRect    (GDI32.@)
1552  */
1553 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1554 {
1555     UINT ret;
1556     DC *dc;
1557
1558     if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
1559     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1560
1561     ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
1562           ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1563
1564     if (flags & DCB_RESET)
1565     {
1566         dc->BoundsRect.left   = 0;
1567         dc->BoundsRect.top    = 0;
1568         dc->BoundsRect.right  = 0;
1569         dc->BoundsRect.bottom = 0;
1570         dc->flags &= ~DC_BOUNDS_SET;
1571     }
1572
1573     if ((flags & DCB_ACCUMULATE) && rect && rect->left < rect->right && rect->top < rect->bottom)
1574     {
1575         if (dc->flags & DC_BOUNDS_SET)
1576         {
1577             dc->BoundsRect.left   = min( dc->BoundsRect.left, rect->left );
1578             dc->BoundsRect.top    = min( dc->BoundsRect.top, rect->top );
1579             dc->BoundsRect.right  = max( dc->BoundsRect.right, rect->right );
1580             dc->BoundsRect.bottom = max( dc->BoundsRect.bottom, rect->bottom );
1581         }
1582         else
1583         {
1584             dc->BoundsRect = *rect;
1585             dc->flags |= DC_BOUNDS_SET;
1586         }
1587     }
1588
1589     if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
1590     if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
1591
1592     GDI_ReleaseObj( hdc );
1593     return ret;
1594 }
1595
1596
1597 /***********************************************************************
1598  *              GetRelAbs               (GDI32.@)
1599  */
1600 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1601 {
1602     INT ret = 0;
1603     DC *dc = DC_GetDCPtr( hdc );
1604     if (dc) ret = dc->relAbsMode;
1605     GDI_ReleaseObj( hdc );
1606     return ret;
1607 }
1608
1609
1610
1611
1612 /***********************************************************************
1613  *              GetBkMode (GDI32.@)
1614  */
1615 INT WINAPI GetBkMode( HDC hdc )
1616 {
1617     INT ret = 0;
1618     DC * dc = DC_GetDCPtr( hdc );
1619     if (dc)
1620     {
1621         ret = dc->backgroundMode;
1622         GDI_ReleaseObj( hdc );
1623     }
1624     return ret;
1625 }
1626
1627
1628 /***********************************************************************
1629  *              SetBkMode (GDI32.@)
1630  */
1631 INT WINAPI SetBkMode( HDC hdc, INT mode )
1632 {
1633     INT ret;
1634     DC *dc;
1635     if ((mode <= 0) || (mode > BKMODE_LAST))
1636     {
1637         SetLastError(ERROR_INVALID_PARAMETER);
1638         return 0;
1639     }
1640     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1641
1642     ret = dc->backgroundMode;
1643     if (dc->funcs->pSetBkMode)
1644         if (!dc->funcs->pSetBkMode( dc->physDev, mode ))
1645             ret = 0;
1646     if (ret)
1647         dc->backgroundMode = mode;
1648     GDI_ReleaseObj( hdc );
1649     return ret;
1650 }
1651
1652
1653 /***********************************************************************
1654  *              GetROP2 (GDI32.@)
1655  */
1656 INT WINAPI GetROP2( HDC hdc )
1657 {
1658     INT ret = 0;
1659     DC * dc = DC_GetDCPtr( hdc );
1660     if (dc)
1661     {
1662         ret = dc->ROPmode;
1663         GDI_ReleaseObj( hdc );
1664     }
1665     return ret;
1666 }
1667
1668
1669 /***********************************************************************
1670  *              SetROP2 (GDI32.@)
1671  */
1672 INT WINAPI SetROP2( HDC hdc, INT mode )
1673 {
1674     INT ret;
1675     DC *dc;
1676     if ((mode < R2_BLACK) || (mode > R2_WHITE))
1677     {
1678         SetLastError(ERROR_INVALID_PARAMETER);
1679         return 0;
1680     }
1681     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1682     ret = dc->ROPmode;
1683     if (dc->funcs->pSetROP2)
1684         if (!dc->funcs->pSetROP2( dc->physDev, mode ))
1685             ret = 0;
1686     if (ret)
1687         dc->ROPmode = mode;
1688     GDI_ReleaseObj( hdc );
1689     return ret;
1690 }
1691
1692
1693 /***********************************************************************
1694  *              SetRelAbs (GDI32.@)
1695  */
1696 INT WINAPI SetRelAbs( HDC hdc, INT mode )
1697 {
1698     INT ret;
1699     DC *dc;
1700     if ((mode != ABSOLUTE) && (mode != RELATIVE))
1701     {
1702         SetLastError(ERROR_INVALID_PARAMETER);
1703         return 0;
1704     }
1705     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1706     if (dc->funcs->pSetRelAbs)
1707         ret = dc->funcs->pSetRelAbs( dc->physDev, mode );
1708     else
1709     {
1710         ret = dc->relAbsMode;
1711         dc->relAbsMode = mode;
1712     }
1713     GDI_ReleaseObj( hdc );
1714     return ret;
1715 }
1716
1717
1718 /***********************************************************************
1719  *              GetPolyFillMode (GDI32.@)
1720  */
1721 INT WINAPI GetPolyFillMode( HDC hdc )
1722 {
1723     INT ret = 0;
1724     DC * dc = DC_GetDCPtr( hdc );
1725     if (dc)
1726     {
1727         ret = dc->polyFillMode;
1728         GDI_ReleaseObj( hdc );
1729     }
1730     return ret;
1731 }
1732
1733
1734 /***********************************************************************
1735  *              SetPolyFillMode (GDI32.@)
1736  */
1737 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
1738 {
1739     INT ret;
1740     DC *dc;
1741     if ((mode <= 0) || (mode > POLYFILL_LAST))
1742     {
1743         SetLastError(ERROR_INVALID_PARAMETER);
1744         return 0;
1745     }
1746     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1747     ret = dc->polyFillMode;
1748     if (dc->funcs->pSetPolyFillMode)
1749         if (!dc->funcs->pSetPolyFillMode( dc->physDev, mode ))
1750             ret = 0;
1751     if (ret)
1752         dc->polyFillMode = mode;
1753     GDI_ReleaseObj( hdc );
1754     return ret;
1755 }
1756
1757
1758 /***********************************************************************
1759  *              GetStretchBltMode (GDI32.@)
1760  */
1761 INT WINAPI GetStretchBltMode( HDC hdc )
1762 {
1763     INT ret = 0;
1764     DC * dc = DC_GetDCPtr( hdc );
1765     if (dc)
1766     {
1767         ret = dc->stretchBltMode;
1768         GDI_ReleaseObj( hdc );
1769     }
1770     return ret;
1771 }
1772
1773
1774 /***********************************************************************
1775  *              SetStretchBltMode (GDI32.@)
1776  */
1777 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
1778 {
1779     INT ret;
1780     DC *dc;
1781     if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
1782     {
1783         SetLastError(ERROR_INVALID_PARAMETER);
1784         return 0;
1785     }
1786     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1787     ret = dc->stretchBltMode;
1788     if (dc->funcs->pSetStretchBltMode)
1789         if (!dc->funcs->pSetStretchBltMode( dc->physDev, mode ))
1790             ret = 0;
1791     if (ret)
1792         dc->stretchBltMode = mode;
1793     GDI_ReleaseObj( hdc );
1794     return ret;
1795 }
1796
1797
1798 /***********************************************************************
1799  *              GetMapMode (GDI32.@)
1800  */
1801 INT WINAPI GetMapMode( HDC hdc )
1802 {
1803     INT ret = 0;
1804     DC * dc = DC_GetDCPtr( hdc );
1805     if (dc)
1806     {
1807         ret = dc->MapMode;
1808         GDI_ReleaseObj( hdc );
1809     }
1810     return ret;
1811 }
1812
1813
1814 /***********************************************************************
1815  *              GetBrushOrgEx (GDI32.@)
1816  */
1817 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
1818 {
1819     DC * dc = DC_GetDCPtr( hdc );
1820     if (!dc) return FALSE;
1821     pt->x = dc->brushOrgX;
1822     pt->y = dc->brushOrgY;
1823     GDI_ReleaseObj( hdc );
1824     return TRUE;
1825 }
1826
1827
1828 /***********************************************************************
1829  *              GetCurrentPositionEx (GDI32.@)
1830  */
1831 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
1832 {
1833     DC * dc = DC_GetDCPtr( hdc );
1834     if (!dc) return FALSE;
1835     pt->x = dc->CursPosX;
1836     pt->y = dc->CursPosY;
1837     GDI_ReleaseObj( hdc );
1838     return TRUE;
1839 }
1840
1841
1842 /***********************************************************************
1843  *              GetViewportExtEx (GDI32.@)
1844  */
1845 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
1846 {
1847     DC * dc = DC_GetDCPtr( hdc );
1848     if (!dc) return FALSE;
1849     size->cx = dc->vportExtX;
1850     size->cy = dc->vportExtY;
1851     GDI_ReleaseObj( hdc );
1852     return TRUE;
1853 }
1854
1855
1856 /***********************************************************************
1857  *              GetViewportOrgEx (GDI32.@)
1858  */
1859 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
1860 {
1861     DC * dc = DC_GetDCPtr( hdc );
1862     if (!dc) return FALSE;
1863     pt->x = dc->vportOrgX;
1864     pt->y = dc->vportOrgY;
1865     GDI_ReleaseObj( hdc );
1866     return TRUE;
1867 }
1868
1869
1870 /***********************************************************************
1871  *              GetWindowExtEx (GDI32.@)
1872  */
1873 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
1874 {
1875     DC * dc = DC_GetDCPtr( hdc );
1876     if (!dc) return FALSE;
1877     size->cx = dc->wndExtX;
1878     size->cy = dc->wndExtY;
1879     GDI_ReleaseObj( hdc );
1880     return TRUE;
1881 }
1882
1883
1884 /***********************************************************************
1885  *              GetWindowOrgEx (GDI32.@)
1886  */
1887 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
1888 {
1889     DC * dc = DC_GetDCPtr( hdc );
1890     if (!dc) return FALSE;
1891     pt->x = dc->wndOrgX;
1892     pt->y = dc->wndOrgY;
1893     GDI_ReleaseObj( hdc );
1894     return TRUE;
1895 }
1896
1897
1898 /***********************************************************************
1899  *              InquireVisRgn   (GDI.131)
1900  */
1901 HRGN16 WINAPI InquireVisRgn16( HDC16 hdc )
1902 {
1903     HRGN16 ret = 0;
1904     DC * dc = DC_GetDCPtr( HDC_32(hdc) );
1905     if (dc)
1906     {
1907         ret = HRGN_16(dc->hVisRgn);
1908         GDI_ReleaseObj( HDC_32(hdc) );
1909     }
1910     return ret;
1911 }
1912
1913
1914 /***********************************************************************
1915  *              GetClipRgn (GDI.173)
1916  */
1917 HRGN16 WINAPI GetClipRgn16( HDC16 hdc )
1918 {
1919     HRGN16 ret = 0;
1920     DC * dc = DC_GetDCPtr( HDC_32(hdc) );
1921     if (dc)
1922     {
1923         ret = HRGN_16(dc->hClipRgn);
1924         GDI_ReleaseObj( HDC_32(hdc) );
1925     }
1926     return ret;
1927 }
1928
1929
1930 /***********************************************************************
1931  *           GetLayout    (GDI32.@)
1932  *
1933  * Gets left->right or right->left text layout flags of a dc.
1934  *
1935  */
1936 DWORD WINAPI GetLayout(HDC hdc)
1937 {
1938     DWORD layout = GDI_ERROR;
1939
1940     DC * dc = DC_GetDCPtr( hdc );
1941     if (dc)
1942     {
1943         layout = dc->layout;
1944         GDI_ReleaseObj( hdc );
1945     }
1946
1947     TRACE("hdc : %p, layout : %08lx\n", hdc, layout);
1948
1949     return layout;
1950 }
1951
1952 /***********************************************************************
1953  *           SetLayout    (GDI32.@)
1954  *
1955  * Sets left->right or right->left text layout flags of a dc.
1956  *
1957  */
1958 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1959 {
1960     DWORD oldlayout = GDI_ERROR;
1961
1962     DC * dc = DC_GetDCPtr( hdc );
1963     if (dc)
1964     {
1965         oldlayout = dc->layout;
1966         dc->layout = layout;
1967         GDI_ReleaseObj( hdc );
1968     }
1969
1970     TRACE("hdc : %p, old layout : %08lx, new layout : %08lx\n", hdc, oldlayout, layout);
1971
1972     return oldlayout;
1973 }
1974
1975 /***********************************************************************
1976  *           GetDCBrushColor    (GDI32.@)
1977  *
1978  * Retrieves the current brush color for the specified device
1979  * context (DC).
1980  *
1981  */
1982 COLORREF WINAPI GetDCBrushColor(HDC hdc)
1983 {
1984     DC *dc;
1985     COLORREF dcBrushColor = CLR_INVALID;
1986
1987     TRACE("hdc(%p)\n", hdc);
1988
1989     dc = DC_GetDCPtr( hdc );
1990     if (dc)
1991     {
1992         dcBrushColor = dc->dcBrushColor;
1993         GDI_ReleaseObj( hdc );
1994     }
1995
1996     return dcBrushColor;
1997 }
1998
1999 /***********************************************************************
2000  *           SetDCBrushColor    (GDI32.@)
2001  *
2002  * Sets the current device context (DC) brush color to the specified
2003  * color value. If the device cannot represent the specified color
2004  * value, the color is set to the nearest physical color.
2005  *
2006  */
2007 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
2008 {
2009     DC *dc;
2010     COLORREF oldClr = CLR_INVALID;
2011
2012     TRACE("hdc(%p) crColor(%08lx)\n", hdc, crColor);
2013
2014     dc = DC_GetDCPtr( hdc );
2015     if (dc)
2016     {
2017         if (dc->funcs->pSetDCBrushColor)
2018             crColor = dc->funcs->pSetDCBrushColor( dc->physDev, crColor );
2019         else if (dc->hBrush == GetStockObject( DC_BRUSH ))
2020         {
2021             /* If DC_BRUSH is selected, update driver pen color */
2022             HBRUSH hBrush = CreateSolidBrush( crColor );
2023             dc->funcs->pSelectBrush( dc->physDev, hBrush );
2024             DeleteObject( hBrush );
2025         }
2026
2027         if (crColor != CLR_INVALID)
2028         {
2029             oldClr = dc->dcBrushColor;
2030             dc->dcBrushColor = crColor;
2031         }
2032
2033         GDI_ReleaseObj( hdc );
2034     }
2035
2036     return oldClr;
2037 }
2038
2039 /***********************************************************************
2040  *           GetDCPenColor    (GDI32.@)
2041  *
2042  * Retrieves the current pen color for the specified device
2043  * context (DC).
2044  *
2045  */
2046 COLORREF WINAPI GetDCPenColor(HDC hdc)
2047 {
2048     DC *dc;
2049     COLORREF dcPenColor = CLR_INVALID;
2050
2051     TRACE("hdc(%p)\n", hdc);
2052
2053     dc = DC_GetDCPtr( hdc );
2054     if (dc)
2055     {
2056         dcPenColor = dc->dcPenColor;
2057         GDI_ReleaseObj( hdc );
2058     }
2059
2060     return dcPenColor;
2061 }
2062
2063 /***********************************************************************
2064  *           SetDCPenColor    (GDI32.@)
2065  *
2066  * Sets the current device context (DC) pen color to the specified
2067  * color value. If the device cannot represent the specified color
2068  * value, the color is set to the nearest physical color.
2069  *
2070  */
2071 COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
2072 {
2073     DC *dc;
2074     COLORREF oldClr = CLR_INVALID;
2075
2076     TRACE("hdc(%p) crColor(%08lx)\n", hdc, crColor);
2077
2078     dc = DC_GetDCPtr( hdc );
2079     if (dc)
2080     {
2081         if (dc->funcs->pSetDCPenColor)
2082             crColor = dc->funcs->pSetDCPenColor( dc->physDev, crColor );
2083         else if (dc->hPen == GetStockObject( DC_PEN ))
2084         {
2085             /* If DC_PEN is selected, update the driver pen color */
2086             LOGPEN logpen = { PS_SOLID, { 0, 0 }, crColor };
2087             HPEN hPen = CreatePenIndirect( &logpen );
2088             dc->funcs->pSelectPen( dc->physDev, hPen );
2089             DeleteObject( hPen );
2090         }
2091
2092         if (crColor != CLR_INVALID)
2093         {
2094             oldClr = dc->dcPenColor;
2095             dc->dcPenColor = crColor;
2096         }
2097
2098         GDI_ReleaseObj( hdc );
2099     }
2100
2101     return oldClr;
2102 }
2103
2104 /***********************************************************************
2105  *           SetVirtualResolution   (GDI32.@)
2106  *
2107  * Undocumented on msdn.  Called when PowerPoint XP saves a file.
2108  */
2109 DWORD WINAPI SetVirtualResolution(HDC hdc, DWORD dw2, DWORD dw3, DWORD dw4, DWORD dw5)
2110 {
2111     FIXME("(%p %08lx %08lx %08lx %08lx): stub!\n", hdc, dw2, dw3, dw4, dw5);
2112     return FALSE;
2113 }
2114
2115 /*******************************************************************
2116  *      GetMiterLimit [GDI32.@]
2117  *
2118  *
2119  */
2120 BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
2121 {
2122     BOOL bRet = FALSE;
2123     DC *dc;
2124
2125     TRACE("(%p,%p)\n", hdc, peLimit);
2126
2127     dc = DC_GetDCPtr( hdc );
2128     if (dc)
2129     {
2130         if (peLimit)
2131             *peLimit = dc->miterLimit;
2132
2133         GDI_ReleaseObj( hdc );
2134         bRet = TRUE;
2135     }
2136     return bRet;
2137 }
2138
2139 /*******************************************************************
2140  *      SetMiterLimit [GDI32.@]
2141  *
2142  *
2143  */
2144 BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
2145 {
2146     BOOL bRet = FALSE;
2147     DC *dc;
2148
2149     TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit);
2150
2151     dc = DC_GetDCPtr( hdc );
2152     if (dc)
2153     {
2154         if (peOldLimit)
2155             *peOldLimit = dc->miterLimit;
2156         dc->miterLimit = eNewLimit;
2157         GDI_ReleaseObj( hdc );
2158         bRet = TRUE;
2159     }
2160     return bRet;
2161 }
2162
2163 /*******************************************************************
2164  *      GdiIsMetaPrintDC [GDI32.@]
2165  */
2166 BOOL WINAPI GdiIsMetaPrintDC(HDC hdc)
2167 {
2168     FIXME("%p\n", hdc);
2169     return FALSE;
2170 }
2171
2172 /*******************************************************************
2173  *      GdiIsMetaFileDC [GDI32.@]
2174  */
2175 BOOL WINAPI GdiIsMetaFileDC(HDC hdc)
2176 {
2177     TRACE("%p\n", hdc);
2178
2179     switch( GetObjectType( hdc ) )
2180     {
2181     case OBJ_METADC:
2182     case OBJ_ENHMETADC:
2183         return TRUE;
2184     }
2185     return FALSE;
2186 }
2187
2188 /*******************************************************************
2189  *      GdiIsPlayMetafileDC [GDI32.@]
2190  */
2191 BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc)
2192 {
2193     FIXME("%p\n", hdc);
2194     return FALSE;
2195 }