objects/text.c

   1 /*
   2  * text functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include "windef.h"
  11 #include "wingdi.h"
  12 #include "wine/winuser16.h"
  13 #include "winbase.h"
  14 #include "winuser.h"
  15 #include "winerror.h"
  16 #include "dc.h"
  17 #include "gdi.h"
  18 #include "heap.h"
  19 #include "debugtools.h"
  20 #include "cache.h"
  21 #include "winnls.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(text);
  24
  25 #define TAB     9
  26 #define LF     10
  27 #define CR     13
  28 #define SPACE  32
  29 #define PREFIX 38
  30
  31 #define SWAP_INT(a,b)  { int t = a; a = b; b = t; }
  32
  33 static int tabstop = 8;
  34 static int tabwidth;
  35 static int spacewidth;
  36 static int prefix_offset;
  37
  38 static const char *TEXT_NextLine( HDC16 hdc, const char *str, int *count,
  39                                   char *dest, int *len, int width, WORD format)
  40 {
  41     /* Return next line of text from a string.
  42      *
  43      * hdc - handle to DC.
  44      * str - string to parse into lines.
  45      * count - length of str.
  46      * dest - destination in which to return line.
  47      * len - length of resultant line in dest in chars.
  48      * width - maximum width of line in pixels.
  49      * format - format type passed to DrawText.
  50      *
  51      * Returns pointer to next char in str after end of the line
  52      * or NULL if end of str reached.
  53      */
  54
  55     int i = 0, j = 0, k;
  56     int plen = 0;
  57     int numspaces;
  58     SIZE16 size;
  59     int lasttab = 0;
  60     int wb_i = 0, wb_j = 0, wb_count = 0;
  61
  62     while (*count)
  63     {
  64         switch (str[i])
  65         {
  66         case CR:
  67         case LF:
  68             if (!(format & DT_SINGLELINE))
  69             {
  70                 if ((*count > 1) && (str[i] == CR) && (str[i+1] == LF))
  71                 {
  72                     (*count)--;
  73                     i++;
  74                 }
  75                 i++;
  76                 *len = j;
  77                 (*count)--;
  78                 return (&str[i]);
  79             }
  80             dest[j++] = str[i++];
  81             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
  82                 (format & DT_WORDBREAK))
  83             {
  84                 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
  85                     return NULL;
  86                 plen += size.cx;
  87             }
  88             break;
  89
  90         case PREFIX:
  91             if (!(format & DT_NOPREFIX) && *count > 1)
  92                 {
  93                 if (str[++i] == PREFIX)
  94                     (*count)--;
  95                 else {
  96                     prefix_offset = j;
  97                     break;
  98                 }
  99             }
 100             dest[j++] = str[i++];
 101             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 102                 (format & DT_WORDBREAK))
 103             {
 104                 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
 105                     return NULL;
 106                 plen += size.cx;
 107             }
 108             break;
 109
 110         case TAB:
 111             if (format & DT_EXPANDTABS)
 112             {
 113                 wb_i = ++i;
 114                 wb_j = j;
 115                 wb_count = *count;
 116
 117                 if (!GetTextExtentPoint16(hdc, &dest[lasttab], j - lasttab,
 118                                                                  &size))
 119                     return NULL;
 120
 121                 numspaces = (tabwidth - size.cx) / spacewidth;
 122                 for (k = 0; k < numspaces; k++)
 123                     dest[j++] = SPACE;
 124                 plen += tabwidth - size.cx;
 125                 lasttab = wb_j + numspaces;
 126             }
 127             else
 128             {
 129                 dest[j++] = str[i++];
 130                 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 131                     (format & DT_WORDBREAK))
 132                 {
 133                     if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
 134                         return NULL;
 135                     plen += size.cx;
 136                 }
 137             }
 138             break;
 139
 140         case SPACE:
 141             dest[j++] = str[i++];
 142             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 143                 (format & DT_WORDBREAK))
 144             {
 145                 wb_i = i;
 146                 wb_j = j - 1;
 147                 wb_count = *count;
 148                 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
 149                     return NULL;
 150                 plen += size.cx;
 151             }
 152             break;
 153
 154         default:
 155             dest[j++] = str[i++];
 156             if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
 157                 (format & DT_WORDBREAK))
 158             {
 159                 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
 160                     return NULL;
 161                 plen += size.cx;
 162             }
 163         }
 164
 165         (*count)--;
 166         if (!(format & DT_NOCLIP) || (format & DT_WORDBREAK))
 167         {
 168             if (plen > width)
 169             {
 170                 if (format & DT_WORDBREAK)
 171                 {
 172                     if (wb_j)
 173                     {
 174                         *len = wb_j;
 175                         *count = wb_count - 1;
 176                         return (&str[wb_i]);
 177                     }
 178                 }
 179                 else
 180                 {
 181                     *len = j;
 182                     return (&str[i]);
 183                 }
 184             }
 185         }
 186     }
 187
 188     *len = j;
 189     return NULL;
 190 }
 191
 192
 193 /***********************************************************************
 194  *           DrawText16    (USER.85)
 195  */
 196 INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 i_count,
 197                          LPRECT16 rect, UINT16 flags )
 198 {
 199     SIZE16 size;
 200     const char *strPtr;
 201     static char line[1024];
 202     int len, lh, count=i_count;
 203     int prefix_x = 0;
 204     int prefix_end = 0;
 205     TEXTMETRIC16 tm;
 206     int x = rect->left, y = rect->top;
 207     int width = rect->right - rect->left;
 208     int max_width = 0;
 209
 210     TRACE("%s, %d , [(%d,%d),(%d,%d)]\n",
 211           debugstr_an (str, count), count,
 212           rect->left, rect->top, rect->right, rect->bottom);
 213
 214     if (!str) return 0;
 215     if (count == -1) count = strlen(str);
 216     strPtr = str;
 217
 218     GetTextMetrics16(hdc, &tm);
 219     if (flags & DT_EXTERNALLEADING)
 220         lh = tm.tmHeight + tm.tmExternalLeading;
 221     else
 222         lh = tm.tmHeight;
 223
 224     if (flags & DT_TABSTOP)
 225         tabstop = flags >> 8;
 226
 227     if (flags & DT_EXPANDTABS)
 228     {
 229         GetTextExtentPoint16(hdc, " ", 1, &size);
 230         spacewidth = size.cx;
 231         GetTextExtentPoint16(hdc, "o", 1, &size);
 232         tabwidth = size.cx * tabstop;
 233     }
 234
 235     if (flags & DT_CALCRECT) flags |= DT_NOCLIP;
 236
 237     do
 238     {
 239         prefix_offset = -1;
 240         strPtr = TEXT_NextLine(hdc, strPtr, &count, line, &len, width, flags);
 241
 242         if (prefix_offset != -1)
 243         {
 244             GetTextExtentPoint16(hdc, line, prefix_offset, &size);
 245             prefix_x = size.cx;
 246             GetTextExtentPoint16(hdc, line, prefix_offset + 1, &size);
 247             prefix_end = size.cx - 1;
 248         }
 249
 250         if (!GetTextExtentPoint16(hdc, line, len, &size)) return 0;
 251         if (flags & DT_CENTER) x = (rect->left + rect->right -
 252                                     size.cx) / 2;
 253         else if (flags & DT_RIGHT) x = rect->right - size.cx;
 254
 255         if (flags & DT_SINGLELINE)
 256         {
 257             if (flags & DT_VCENTER) y = rect->top +
 258                 (rect->bottom - rect->top) / 2 - size.cy / 2;
 259             else if (flags & DT_BOTTOM) y = rect->bottom - size.cy;
 260         }
 261         if (!(flags & DT_CALCRECT))
 262         {
 263             if (!ExtTextOut16(hdc, x, y, (flags & DT_NOCLIP) ? 0 : ETO_CLIPPED,
 264                               rect, line, len, NULL )) return 0;
 265             if (prefix_offset != -1)
 266             {
 267                 HPEN hpen = CreatePen( PS_SOLID, 1, GetTextColor(hdc) );
 268                 HPEN oldPen = SelectObject( hdc, hpen );
 269                 MoveTo16(hdc, x + prefix_x, y + tm.tmAscent + 1 );
 270                 LineTo(hdc, x + prefix_end + 1, y + tm.tmAscent + 1 );
 271                 SelectObject( hdc, oldPen );
 272                 DeleteObject( hpen );
 273             }
 274         }
 275         else if (size.cx > max_width)
 276             max_width = size.cx;
 277
 278         y += lh;
 279         if (strPtr)
 280         {
 281             if (!(flags & DT_NOCLIP))
 282             {
 283                 if (y > rect->bottom - lh)
 284                     break;
 285             }
 286         }
 287     }
 288     while (strPtr);
 289     if (flags & DT_CALCRECT)
 290     {
 291         rect->right = rect->left + max_width;
 292         rect->bottom = y;
 293     }
 294     return y - rect->top;
 295 }
 296
 297
 298 /***********************************************************************
 299  *           DrawText32A    (USER32.164)
 300  */
 301 INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT count,
 302                           LPRECT rect, UINT flags )
 303 {
 304     RECT16 rect16;
 305     INT16 ret;
 306
 307     if (!rect)
 308         return DrawText16( (HDC16)hdc, str, (INT16)count, NULL, (UINT16)flags);
 309     CONV_RECT32TO16( rect, &rect16 );
 310     ret = DrawText16( (HDC16)hdc, str, (INT16)count, &rect16, (UINT16)flags );
 311     CONV_RECT16TO32( &rect16, rect );
 312     return ret;
 313 }
 314
 315
 316 /***********************************************************************
 317  *           DrawText32W    (USER32.167)
 318  */
 319 INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count,
 320                           LPRECT rect, UINT flags )
 321 {
 322     LPSTR p = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
 323     INT ret = DrawTextA( hdc, p, count, rect, flags );
 324     HeapFree( GetProcessHeap(), 0, p );
 325     return ret;
 326 }
 327
 328 /***********************************************************************
 329  *           DrawTextEx32A    (USER32.165)
 330  */
 331 INT WINAPI DrawTextExA( HDC hdc, LPCSTR str, INT count,
 332                      LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
 333 {
 334     TRACE("(%d,'%s',%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
 335     if(dtp) {
 336         FIXME("Ignores params:%d,%d,%d,%d,%d\n",dtp->cbSize,
 337                    dtp->iTabLength,dtp->iLeftMargin,dtp->iRightMargin,
 338                    dtp->uiLengthDrawn);
 339     }
 340     return DrawTextA(hdc,str,count,rect,flags);
 341 }
 342
 343 /***********************************************************************
 344  *           DrawTextEx32W    (USER32.166)
 345  */
 346 INT WINAPI DrawTextExW( HDC hdc, LPCWSTR str, INT count,
 347                      LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
 348 {
 349     TRACE("(%d,%p,%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
 350     FIXME("ignores extended functionality\n");
 351     return DrawTextW(hdc,str,count,rect,flags);
 352 }
 353
 354 /***********************************************************************
 355  *           ExtTextOut16    (GDI.351)
 356  */
 357 BOOL16 WINAPI ExtTextOut16( HDC16 hdc, INT16 x, INT16 y, UINT16 flags,
 358                             const RECT16 *lprect, LPCSTR str, UINT16 count,
 359                             const INT16 *lpDx )
 360 {
 361     BOOL        ret;
 362     int         i;
 363     RECT        rect32;
 364     LPINT       lpdx32 = NULL;
 365
 366     if (lpDx) lpdx32 = (LPINT)HEAP_xalloc( GetProcessHeap(), 0,
 367                                              sizeof(INT)*count );
 368     if (lprect) CONV_RECT16TO32(lprect,&rect32);
 369     if (lpdx32) for (i=count;i--;) lpdx32[i]=lpDx[i];
 370     ret = ExtTextOutA(hdc,x,y,flags,lprect?&rect32:NULL,str,count,lpdx32);
 371     if (lpdx32) HeapFree( GetProcessHeap(), 0, lpdx32 );
 372     return ret;
 373
 374
 375 }
 376
 377
 378 /***********************************************************************
 379  *           ExtTextOutA    (GDI32.98)
 380  */
 381 BOOL WINAPI ExtTextOutA( HDC hdc, INT x, INT y, UINT flags,
 382                              const RECT *lprect, LPCSTR str, UINT count,
 383                              const INT *lpDx )
 384 {
 385     LPWSTR p;
 386     INT ret;
 387     UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
 388     UINT wlen;
 389
 390     wlen = MultiByteToWideChar(codepage,0,str,count,NULL,0);
 391     p = HeapAlloc( GetProcessHeap(), 0, wlen * sizeof(WCHAR) );
 392     wlen = MultiByteToWideChar(codepage,0,str,count,p,wlen);
 393
 394     ret = ExtTextOutW( hdc, x, y, flags, lprect, p, wlen, lpDx );
 395     HeapFree( GetProcessHeap(), 0, p );
 396     return ret;
 397 }
 398
 399
 400 /***********************************************************************
 401  *           ExtTextOutW    (GDI32.99)
 402  */
 403 BOOL WINAPI ExtTextOutW( HDC hdc, INT x, INT y, UINT flags,
 404                              const RECT *lprect, LPCWSTR str, UINT count,
 405                              const INT *lpDx )
 406 {
 407     DC * dc = DC_GetDCPtr( hdc );
 408     return dc && dc->funcs->pExtTextOut &&
 409         dc->funcs->pExtTextOut(dc,x,y,flags,lprect,str,count,lpDx);
 410 }
 411
 412
 413 /***********************************************************************
 414  *           TextOut16    (GDI.33)
 415  */
 416 BOOL16 WINAPI TextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR str, INT16 count )
 417 {
 418     return ExtTextOut16( hdc, x, y, 0, NULL, str, count, NULL );
 419 }
 420
 421
 422 /***********************************************************************
 423  *           TextOut32A    (GDI32.355)
 424  */
 425 BOOL WINAPI TextOutA( HDC hdc, INT x, INT y, LPCSTR str, INT count )
 426 {
 427     return ExtTextOutA( hdc, x, y, 0, NULL, str, count, NULL );
 428 }
 429
 430
 431 /***********************************************************************
 432  *           TextOut32W    (GDI32.356)
 433  */
 434 BOOL WINAPI TextOutW(HDC hdc, INT x, INT y, LPCWSTR str, INT count)
 435 {
 436     return ExtTextOutW( hdc, x, y, 0, NULL, str, count, NULL );
 437 }
 438
 439
 440 /***********************************************************************
 441  *           TEXT_GrayString
 442  *
 443  * FIXME: The call to 16-bit code only works because the wine GDI is a 16-bit
 444  * heap and we can guarantee that the handles fit in an INT16. We have to
 445  * rethink the strategy once the migration to NT handles is complete.
 446  * We are going to get a lot of code-duplication once this migration is
 447  * completed...
 448  *
 449  */
 450 static BOOL TEXT_GrayString(HDC hdc, HBRUSH hb,
 451                               GRAYSTRINGPROC fn, LPARAM lp, INT len,
 452                               INT x, INT y, INT cx, INT cy,
 453                               BOOL unicode, BOOL _32bit)
 454 {
 455     HBITMAP hbm, hbmsave;
 456     HBRUSH hbsave;
 457     HFONT hfsave;
 458     HDC memdc = CreateCompatibleDC(hdc);
 459     int slen = len;
 460     BOOL retval = TRUE;
 461     COLORREF fg, bg;
 462
 463     if(!hdc) return FALSE;
 464
 465     if(len == 0)
 466     {
 467         if(unicode)
 468             slen = lstrlenW((LPCWSTR)lp);
 469         else if(_32bit)
 470             slen = lstrlenA((LPCSTR)lp);
 471         else
 472             slen = lstrlenA((LPCSTR)PTR_SEG_TO_LIN(lp));
 473     }
 474
 475     if((cx == 0 || cy == 0) && slen != -1)
 476     {
 477         SIZE s;
 478         if(unicode)
 479             GetTextExtentPoint32W(hdc, (LPCWSTR)lp, slen, &s);
 480         else if(_32bit)
 481             GetTextExtentPoint32A(hdc, (LPCSTR)lp, slen, &s);
 482         else
 483             GetTextExtentPoint32A(hdc, (LPCSTR)PTR_SEG_TO_LIN(lp), slen, &s);
 484         if(cx == 0) cx = s.cx;
 485         if(cy == 0) cy = s.cy;
 486     }
 487
 488     hbm = CreateBitmap(cx, cy, 1, 1, NULL);
 489     hbmsave = (HBITMAP)SelectObject(memdc, hbm);
 490     hbsave = SelectObject( memdc, GetStockObject(BLACK_BRUSH) );
 491     PatBlt( memdc, 0, 0, cx, cy, PATCOPY );
 492     SelectObject( memdc, hbsave );
 493     SetTextColor(memdc, RGB(255, 255, 255));
 494     SetBkColor(memdc, RGB(0, 0, 0));
 495     hfsave = (HFONT)SelectObject(memdc, GetCurrentObject(hdc, OBJ_FONT));
 496
 497     if(fn)
 498         if(_32bit)
 499             retval = fn(memdc, lp, slen);
 500         else
 501             retval = (BOOL)((BOOL16)((GRAYSTRINGPROC16)fn)((HDC16)memdc, lp, (INT16)slen));
 502     else
 503         if(unicode)
 504             TextOutW(memdc, 0, 0, (LPCWSTR)lp, slen);
 505         else if(_32bit)
 506             TextOutA(memdc, 0, 0, (LPCSTR)lp, slen);
 507         else
 508             TextOutA(memdc, 0, 0, (LPCSTR)PTR_SEG_TO_LIN(lp), slen);
 509
 510     SelectObject(memdc, hfsave);
 511
 512 /*
 513  * Windows doc says that the bitmap isn't grayed when len == -1 and
 514  * the callback function returns FALSE. However, testing this on
 515  * win95 showed otherwise...
 516 */
 517 #ifdef GRAYSTRING_USING_DOCUMENTED_BEHAVIOUR
 518     if(retval || len != -1)
 519 #endif
 520     {
 521         hbsave = (HBRUSH)SelectObject(memdc, CACHE_GetPattern55AABrush());
 522         PatBlt(memdc, 0, 0, cx, cy, 0x000A0329);
 523         SelectObject(memdc, hbsave);
 524     }
 525
 526     if(hb) hbsave = (HBRUSH)SelectObject(hdc, hb);
 527     fg = SetTextColor(hdc, RGB(0, 0, 0));
 528     bg = SetBkColor(hdc, RGB(255, 255, 255));
 529     BitBlt(hdc, x, y, cx, cy, memdc, 0, 0, 0x00E20746);
 530     SetTextColor(hdc, fg);
 531     SetBkColor(hdc, bg);
 532     if(hb) SelectObject(hdc, hbsave);
 533
 534     SelectObject(memdc, hbmsave);
 535     DeleteObject(hbm);
 536     DeleteDC(memdc);
 537     return retval;
 538 }
 539
 540
 541 /***********************************************************************
 542  *           GrayString16   (USER.185)
 543  */
 544 BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
 545                             LPARAM lParam, INT16 cch, INT16 x, INT16 y,
 546                             INT16 cx, INT16 cy )
 547 {
 548     return TEXT_GrayString(hdc, hbr, (GRAYSTRINGPROC)gsprc, lParam, cch, x, y, cx, cy, FALSE, FALSE);
 549 }
 550
 551
 552 /***********************************************************************
 553  *           GrayString32A   (USER32.315)
 554  */
 555 BOOL WINAPI GrayStringA( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
 556                              LPARAM lParam, INT cch, INT x, INT y,
 557                              INT cx, INT cy )
 558 {
 559     return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy, FALSE, TRUE);
 560 }
 561
 562
 563 /***********************************************************************
 564  *           GrayString32W   (USER32.316)
 565  */
 566 BOOL WINAPI GrayStringW( HDC hdc, HBRUSH hbr, GRAYSTRINGPROC gsprc,
 567                              LPARAM lParam, INT cch, INT x, INT y,
 568                              INT cx, INT cy )
 569 {
 570     return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy, TRUE, TRUE);
 571 }
 572
 573
 574 /***********************************************************************
 575  *           TEXT_TabbedTextOut
 576  *
 577  * Helper function for TabbedTextOut() and GetTabbedTextExtent().
 578  * Note: this doesn't work too well for text-alignment modes other
 579  *       than TA_LEFT|TA_TOP. But we want bug-for-bug compatibility :-)
 580  */
 581 LONG TEXT_TabbedTextOut( HDC hdc, INT x, INT y, LPCSTR lpstr,
 582                          INT count, INT cTabStops, const INT16 *lpTabPos16,
 583                          const INT *lpTabPos32, INT nTabOrg,
 584                          BOOL fDisplayText )
 585 {
 586     INT defWidth;
 587     DWORD extent = 0;
 588     int i, tabPos = x;
 589     int start = x;
 590
 591     if (cTabStops == 1)
 592     {
 593         defWidth = lpTabPos32 ? *lpTabPos32 : *lpTabPos16;
 594         cTabStops = 0;
 595     }
 596     else
 597     {
 598         TEXTMETRIC16 tm;
 599         GetTextMetrics16( hdc, &tm );
 600         defWidth = 8 * tm.tmAveCharWidth;
 601     }
 602
 603     while (count > 0)
 604     {
 605         for (i = 0; i < count; i++)
 606             if (lpstr[i] == '\t') break;
 607         extent = GetTextExtent16( hdc, lpstr, i );
 608         if (lpTabPos32)
 609         {
 610             while ((cTabStops > 0) &&
 611                    (nTabOrg + *lpTabPos32 <= x + LOWORD(extent)))
 612             {
 613                 lpTabPos32++;
 614                 cTabStops--;
 615             }
 616         }
 617         else
 618         {
 619             while ((cTabStops > 0) &&
 620                    (nTabOrg + *lpTabPos16 <= x + LOWORD(extent)))
 621             {
 622                 lpTabPos16++;
 623                 cTabStops--;
 624             }
 625         }
 626         if (i == count)
 627             tabPos = x + LOWORD(extent);
 628         else if (cTabStops > 0)
 629             tabPos = nTabOrg + (lpTabPos32 ? *lpTabPos32 : *lpTabPos16);
 630         else
 631             tabPos = nTabOrg + ((x + LOWORD(extent) - nTabOrg) / defWidth + 1) * defWidth;
 632         if (fDisplayText)
 633         {
 634             RECT r;
 635             r.left   = x;
 636             r.top    = y;
 637             r.right  = tabPos;
 638             r.bottom = y + HIWORD(extent);
 639             ExtTextOutA( hdc, x, y,
 640                            GetBkMode(hdc) == OPAQUE ? ETO_OPAQUE : 0,
 641                            &r, lpstr, i, NULL );
 642         }
 643         x = tabPos;
 644         count -= i+1;
 645         lpstr += i+1;
 646     }
 647     return MAKELONG(tabPos - start, HIWORD(extent));
 648 }
 649
 650
 651 /***********************************************************************
 652  *           TabbedTextOut16    (USER.196)
 653  */
 654 LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
 655                              INT16 count, INT16 cTabStops,
 656                              const INT16 *lpTabPos, INT16 nTabOrg )
 657 {
 658     TRACE("%04x %d,%d '%.*s' %d\n",
 659                   hdc, x, y, count, lpstr, count );
 660     return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
 661                                lpTabPos, NULL, nTabOrg, TRUE );
 662 }
 663
 664
 665 /***********************************************************************
 666  *           TabbedTextOut32A    (USER32.542)
 667  */
 668 LONG WINAPI TabbedTextOutA( HDC hdc, INT x, INT y, LPCSTR lpstr,
 669                               INT count, INT cTabStops,
 670                               const INT *lpTabPos, INT nTabOrg )
 671 {
 672     TRACE("%04x %d,%d '%.*s' %d\n",
 673                   hdc, x, y, count, lpstr, count );
 674     return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
 675                                NULL, lpTabPos, nTabOrg, TRUE );
 676 }
 677
 678
 679 /***********************************************************************
 680  *           TabbedTextOut32W    (USER32.543)
 681  */
 682 LONG WINAPI TabbedTextOutW( HDC hdc, INT x, INT y, LPCWSTR str,
 683                               INT count, INT cTabStops,
 684                               const INT *lpTabPos, INT nTabOrg )
 685 {
 686     LONG ret;
 687     LPSTR p;
 688     INT acount;
 689     UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
 690
 691     acount = WideCharToMultiByte(codepage,0,str,count,NULL,0,NULL,NULL);
 692     p = HEAP_xalloc( GetProcessHeap(), 0, acount );
 693     acount = WideCharToMultiByte(codepage,0,str,count,p,acount,NULL,NULL);
 694     ret = TabbedTextOutA( hdc, x, y, p, acount, cTabStops,
 695                             lpTabPos, nTabOrg );
 696     HeapFree( GetProcessHeap(), 0, p );
 697     return ret;
 698 }
 699
 700
 701 /***********************************************************************
 702  *           GetTabbedTextExtent16    (USER.197)
 703  */
 704 DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
 705                                     INT16 cTabStops, const INT16 *lpTabPos )
 706 {
 707     TRACE("%04x '%.*s' %d\n",
 708                   hdc, count, lpstr, count );
 709     return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
 710                                lpTabPos, NULL, 0, FALSE );
 711 }
 712
 713
 714 /***********************************************************************
 715  *           GetTabbedTextExtent32A    (USER32.293)
 716  */
 717 DWORD WINAPI GetTabbedTextExtentA( HDC hdc, LPCSTR lpstr, INT count,
 718                                      INT cTabStops, const INT *lpTabPos )
 719 {
 720     TRACE("%04x '%.*s' %d\n",
 721                   hdc, count, lpstr, count );
 722     return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
 723                                NULL, lpTabPos, 0, FALSE );
 724 }
 725
 726
 727 /***********************************************************************
 728  *           GetTabbedTextExtent32W    (USER32.294)
 729  */
 730 DWORD WINAPI GetTabbedTextExtentW( HDC hdc, LPCWSTR lpstr, INT count,
 731                                      INT cTabStops, const INT *lpTabPos )
 732 {
 733     LONG ret;
 734     LPSTR p;
 735     INT acount;
 736     UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
 737
 738     acount = WideCharToMultiByte(codepage,0,lpstr,count,NULL,0,NULL,NULL);
 739     p = HEAP_xalloc( GetProcessHeap(), 0, acount );
 740     acount = WideCharToMultiByte(codepage,0,lpstr,count,p,acount,NULL,NULL);
 741     ret = GetTabbedTextExtentA( hdc, p, acount, cTabStops, lpTabPos );
 742     HeapFree( GetProcessHeap(), 0, p );
 743     return ret;
 744 }
 745
 746 /***********************************************************************
 747  * GetTextCharset32 [GDI32.226]  Gets character set for font in DC
 748  *
 749  * NOTES
 750  *    Should it return a UINT32 instead of an INT32?
 751  *    => YES, as GetTextCharsetInfo returns UINT32
 752  *
 753  * RETURNS
 754  *    Success: Character set identifier
 755  *    Failure: DEFAULT_CHARSET
 756  */
 757 UINT WINAPI GetTextCharset(
 758     HDC hdc) /* [in] Handle to device context */
 759 {
 760     /* MSDN docs say this is equivalent */
 761     return GetTextCharsetInfo(hdc, NULL, 0);
 762 }
 763
 764 /***********************************************************************
 765  * GetTextCharset16 [GDI.612]
 766  */
 767 UINT16 WINAPI GetTextCharset16(HDC16 hdc)
 768 {
 769     return (UINT16)GetTextCharset(hdc);
 770 }
 771
 772 /***********************************************************************
 773  * GetTextCharsetInfo [GDI32.381]  Gets character set for font
 774  *
 775  * NOTES
 776  *    Should csi be an LPFONTSIGNATURE instead of an LPCHARSETINFO?
 777  *    Should it return a UINT32 instead of an INT32?
 778  *    => YES and YES, from win32.hlp from Borland
 779  *
 780  * RETURNS
 781  *    Success: Character set identifier
 782  *    Failure: DEFAULT_CHARSET
 783  */
 784 UINT WINAPI GetTextCharsetInfo(
 785     HDC hdc,          /* [in]  Handle to device context */
 786     LPFONTSIGNATURE fs, /* [out] Pointer to struct to receive data */
 787     DWORD flags)        /* [in]  Reserved - must be 0 */
 788 {
 789     HGDIOBJ hFont;
 790     UINT charSet = DEFAULT_CHARSET;
 791     LOGFONTW lf;
 792     CHARSETINFO csinfo;
 793
 794     hFont = GetCurrentObject(hdc, OBJ_FONT);
 795     if (hFont == 0)
 796         return(DEFAULT_CHARSET);
 797     if ( GetObjectW(hFont, sizeof(LOGFONTW), &lf) != 0 )
 798         charSet = lf.lfCharSet;
 799
 800     if (fs != NULL) {
 801       if (!TranslateCharsetInfo((LPDWORD)charSet, &csinfo, TCI_SRCCHARSET))
 802            return  (DEFAULT_CHARSET);
 803       memcpy(fs, &csinfo.fs, sizeof(FONTSIGNATURE));
 804     }
 805     return charSet;
 806 }
 807
 808 /***********************************************************************
 809  * PolyTextOutA [GDI.402]  Draw several Strings
 810  */
 811 BOOL WINAPI PolyTextOutA (
 812                           HDC hdc,               /* Handle to device context */
 813                           PPOLYTEXTA pptxt,      /* array of strings */
 814                           INT cStrings           /* Number of strings in array */
 815                           )
 816 {
 817   FIXME("stub!\n");
 818   SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
 819   return 0;
 820 }
 821
 822
 823
 824 /***********************************************************************
 825  * PolyTextOutW [GDI.403] Draw several Strings
 826  */
 827 BOOL WINAPI PolyTextOutW (
 828                           HDC hdc,               /* Handle to device context */
 829                           PPOLYTEXTW pptxt,      /* array of strings */
 830                           INT cStrings           /* Number of strings in array */
 831                           )
 832 {
 833   FIXME("stub!\n");
 834   SetLastError ( ERROR_CALL_NOT_IMPLEMENTED );
 835   return 0;
 836 }