4 * Copyright 1993, 1994 Alexandre Julliard
23 #define SWAP_INT(a,b) { int t = a; a = b; b = t; }
25 static int tabstop = 8;
27 static int spacewidth;
28 static int prefix_offset;
30 static const char *TEXT_NextLine( HDC16 hdc, const char *str, int *count,
31 char *dest, int *len, int width, WORD format)
33 /* Return next line of text from a string.
36 * str - string to parse into lines.
37 * count - length of str.
38 * dest - destination in which to return line.
39 * len - length of resultant line in dest in chars.
40 * width - maximum width of line in pixels.
41 * format - format type passed to DrawText.
43 * Returns pointer to next char in str after end of the line
44 * or NULL if end of str reached.
52 int wb_i = 0, wb_j = 0, wb_count = 0;
60 if (!(format & DT_SINGLELINE))
62 if ((*count > 1) && (str[i] == CR) && (str[i+1] == LF))
73 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
74 (format & DT_WORDBREAK))
76 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
83 if (!(format & DT_NOPREFIX) && *count > 1)
85 if (str[++i] == PREFIX)
93 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
94 (format & DT_WORDBREAK))
96 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
103 if (format & DT_EXPANDTABS)
109 if (!GetTextExtentPoint16(hdc, &dest[lasttab], j - lasttab,
113 numspaces = (tabwidth - size.cx) / spacewidth;
114 for (k = 0; k < numspaces; k++)
116 plen += tabwidth - size.cx;
117 lasttab = wb_j + numspaces;
121 dest[j++] = str[i++];
122 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
123 (format & DT_WORDBREAK))
125 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
133 dest[j++] = str[i++];
134 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
135 (format & DT_WORDBREAK))
140 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
147 dest[j++] = str[i++];
148 if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
149 (format & DT_WORDBREAK))
151 if (!GetTextExtentPoint16(hdc, &dest[j-1], 1, &size))
158 if (!(format & DT_NOCLIP) || (format & DT_WORDBREAK))
162 if (format & DT_WORDBREAK)
167 *count = wb_count - 1;
185 /***********************************************************************
186 * DrawText16 (USER.85)
188 INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 i_count,
189 LPRECT16 rect, UINT16 flags )
193 static char line[1024];
194 int len, lh, count=i_count;
198 int x = rect->left, y = rect->top;
199 int width = rect->right - rect->left;
202 TRACE(text,"%s, %d , [(%d,%d),(%d,%d)]\n",
203 debugstr_an (str, count), count,
204 rect->left, rect->top, rect->right, rect->bottom);
206 if (count == -1) count = strlen(str);
209 GetTextMetrics16(hdc, &tm);
210 if (flags & DT_EXTERNALLEADING)
211 lh = tm.tmHeight + tm.tmExternalLeading;
215 if (flags & DT_TABSTOP)
216 tabstop = flags >> 8;
218 if (flags & DT_EXPANDTABS)
220 GetTextExtentPoint16(hdc, " ", 1, &size);
221 spacewidth = size.cx;
222 GetTextExtentPoint16(hdc, "o", 1, &size);
223 tabwidth = size.cx * tabstop;
226 if (flags & DT_CALCRECT) flags |= DT_NOCLIP;
231 strPtr = TEXT_NextLine(hdc, strPtr, &count, line, &len, width, flags);
233 if (prefix_offset != -1)
235 GetTextExtentPoint16(hdc, line, prefix_offset, &size);
237 GetTextExtentPoint16(hdc, line, prefix_offset + 1, &size);
238 prefix_end = size.cx - 1;
241 if (!GetTextExtentPoint16(hdc, line, len, &size)) return 0;
242 if (flags & DT_CENTER) x = (rect->left + rect->right -
244 else if (flags & DT_RIGHT) x = rect->right - size.cx;
246 if (flags & DT_SINGLELINE)
248 if (flags & DT_VCENTER) y = rect->top +
249 (rect->bottom - rect->top) / 2 - size.cy / 2;
250 else if (flags & DT_BOTTOM) y = rect->bottom - size.cy;
252 if (!(flags & DT_CALCRECT))
254 if (!ExtTextOut16(hdc, x, y, (flags & DT_NOCLIP) ? 0 : ETO_CLIPPED,
255 rect, line, len, NULL )) return 0;
256 if (prefix_offset != -1)
258 HPEN32 hpen = CreatePen32( PS_SOLID, 1, GetTextColor32(hdc) );
259 HPEN32 oldPen = SelectObject32( hdc, hpen );
260 MoveTo(hdc, x + prefix_x, y + tm.tmAscent + 1 );
261 LineTo32(hdc, x + prefix_end + 1, y + tm.tmAscent + 1 );
262 SelectObject32( hdc, oldPen );
263 DeleteObject32( hpen );
266 else if (size.cx > max_width)
272 if (!(flags & DT_NOCLIP))
274 if (y > rect->bottom - lh)
280 if (flags & DT_CALCRECT)
282 rect->right = rect->left + max_width;
285 return y - rect->top;
289 /***********************************************************************
290 * DrawText32A (USER32.164)
292 INT32 WINAPI DrawText32A( HDC32 hdc, LPCSTR str, INT32 count,
293 LPRECT32 rect, UINT32 flags )
299 return DrawText16( (HDC16)hdc, str, (INT16)count, NULL, (UINT16)flags);
300 CONV_RECT32TO16( rect, &rect16 );
301 ret = DrawText16( (HDC16)hdc, str, (INT16)count, &rect16, (UINT16)flags );
302 CONV_RECT16TO32( &rect16, rect );
307 /***********************************************************************
308 * DrawText32W (USER32.167)
310 INT32 WINAPI DrawText32W( HDC32 hdc, LPCWSTR str, INT32 count,
311 LPRECT32 rect, UINT32 flags )
313 LPSTR p = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
314 INT32 ret = DrawText32A( hdc, p, count, rect, flags );
315 HeapFree( GetProcessHeap(), 0, p );
319 /***********************************************************************
320 * DrawTextEx32A (USER32.165)
322 INT32 WINAPI DrawTextEx32A( HDC32 hdc, LPCSTR str, INT32 count,
323 LPRECT32 rect, UINT32 flags, LPDRAWTEXTPARAMS dtp )
325 TRACE(text,"(%d,'%s',%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
327 FIXME(text,"Ignores params:%d,%d,%d,%d,%d\n",dtp->cbSize,
328 dtp->iTabLength,dtp->iLeftMargin,dtp->iRightMargin,
331 return DrawText32A(hdc,str,count,rect,flags);
334 /***********************************************************************
335 * DrawTextEx32W (USER32.166)
337 INT32 WINAPI DrawTextEx32W( HDC32 hdc, LPCWSTR str, INT32 count,
338 LPRECT32 rect, UINT32 flags, LPDRAWTEXTPARAMS dtp )
340 TRACE(text,"(%d,%p,%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
341 FIXME(text,"ignores extended functionality\n");
342 return DrawText32W(hdc,str,count,rect,flags);
345 /***********************************************************************
346 * ExtTextOut16 (GDI.351)
348 BOOL16 WINAPI ExtTextOut16( HDC16 hdc, INT16 x, INT16 y, UINT16 flags,
349 const RECT16 *lprect, LPCSTR str, UINT16 count,
355 LPINT32 lpdx32 = NULL;
357 if (lpDx) lpdx32 = (LPINT32)HEAP_xalloc( GetProcessHeap(), 0,
358 sizeof(INT32)*count );
359 if (lprect) CONV_RECT16TO32(lprect,&rect32);
360 if (lpdx32) for (i=count;i--;) lpdx32[i]=lpDx[i];
361 ret = ExtTextOut32A(hdc,x,y,flags,lprect?&rect32:NULL,str,count,lpdx32);
362 if (lpdx32) HeapFree( GetProcessHeap(), 0, lpdx32 );
369 /***********************************************************************
370 * ExtTextOut32A (GDI32.98)
372 BOOL32 WINAPI ExtTextOut32A( HDC32 hdc, INT32 x, INT32 y, UINT32 flags,
373 const RECT32 *lprect, LPCSTR str, UINT32 count,
376 DC * dc = DC_GetDCPtr( hdc );
377 return dc && dc->funcs->pExtTextOut &&
378 dc->funcs->pExtTextOut(dc,x,y,flags,lprect,str,count,lpDx);
382 /***********************************************************************
383 * ExtTextOut32W (GDI32.99)
385 BOOL32 WINAPI ExtTextOut32W( HDC32 hdc, INT32 x, INT32 y, UINT32 flags,
386 const RECT32 *lprect, LPCWSTR str, UINT32 count,
389 LPSTR p = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
390 INT32 ret = ExtTextOut32A( hdc, x, y, flags, lprect, p, count, lpDx );
391 HeapFree( GetProcessHeap(), 0, p );
396 /***********************************************************************
399 BOOL16 WINAPI TextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR str, INT16 count )
401 return ExtTextOut16( hdc, x, y, 0, NULL, str, count, NULL );
405 /***********************************************************************
406 * TextOut32A (GDI32.355)
408 BOOL32 WINAPI TextOut32A( HDC32 hdc, INT32 x, INT32 y, LPCSTR str, INT32 count )
410 return ExtTextOut32A( hdc, x, y, 0, NULL, str, count, NULL );
414 /***********************************************************************
415 * TextOut32W (GDI32.356)
417 BOOL32 WINAPI TextOut32W(HDC32 hdc, INT32 x, INT32 y, LPCWSTR str, INT32 count)
419 return ExtTextOut32W( hdc, x, y, 0, NULL, str, count, NULL );
423 /***********************************************************************
426 * FIXME: The call to 16-bit code only works because the wine GDI is a 16-bit
427 * heap and we can guarantee that the handles fit in an INT16. We have to
428 * rethink the strategy once the migration to NT handles is complete.
429 * We are going to get a lot of code-duplication once this migration is
433 static BOOL32 TEXT_GrayString(HDC32 hdc, HBRUSH32 hb,
434 GRAYSTRINGPROC32 fn, LPARAM lp, INT32 len,
435 INT32 x, INT32 y, INT32 cx, INT32 cy,
436 BOOL32 unicode, BOOL32 _32bit)
438 HBITMAP32 hbm, hbmsave;
441 HDC32 memdc = CreateCompatibleDC32(hdc);
443 BOOL32 retval = TRUE;
447 if(!hdc) return FALSE;
452 slen = lstrlen32W((LPCWSTR)lp);
454 slen = lstrlen32A((LPCSTR)lp);
456 slen = lstrlen32A((LPCSTR)PTR_SEG_TO_LIN(lp));
459 if((cx == 0 || cy == 0) && slen != -1)
463 GetTextExtentPoint32W(hdc, (LPCWSTR)lp, slen, &s);
465 GetTextExtentPoint32A(hdc, (LPCSTR)lp, slen, &s);
467 GetTextExtentPoint32A(hdc, (LPCSTR)PTR_SEG_TO_LIN(lp), slen, &s);
468 if(cx == 0) cx = s.cx;
469 if(cy == 0) cy = s.cy;
476 hbm = CreateBitmap32(cx, cy, 1, 1, NULL);
477 hbmsave = (HBITMAP32)SelectObject32(memdc, hbm);
478 FillRect32(memdc, &r, (HBRUSH32)GetStockObject32(BLACK_BRUSH));
479 SetTextColor32(memdc, RGB(255, 255, 255));
480 SetBkColor32(memdc, RGB(0, 0, 0));
481 hfsave = (HFONT32)SelectObject32(memdc, GetCurrentObject(hdc, OBJ_FONT));
485 retval = fn(memdc, lp, slen);
487 retval = (BOOL32)((BOOL16)((GRAYSTRINGPROC16)fn)((HDC16)memdc, lp, (INT16)slen));
490 TextOut32W(memdc, 0, 0, (LPCWSTR)lp, slen);
492 TextOut32A(memdc, 0, 0, (LPCSTR)lp, slen);
494 TextOut32A(memdc, 0, 0, (LPCSTR)PTR_SEG_TO_LIN(lp), slen);
496 SelectObject32(memdc, hfsave);
499 * Windows doc says that the bitmap isn't grayed when len == -1 and
500 * the callback function returns FALSE. However, testing this on
501 * win95 showed otherwise...
503 #ifdef GRAYSTRING_USING_DOCUMENTED_BEHAVIOUR
504 if(retval || len != -1)
507 hbsave = (HBRUSH32)SelectObject32(memdc, CACHE_GetPattern55AABrush());
508 PatBlt32(memdc, 0, 0, cx, cy, 0x000A0329);
509 SelectObject32(memdc, hbsave);
512 if(hb) hbsave = (HBRUSH32)SelectObject32(hdc, hb);
513 fg = SetTextColor32(hdc, RGB(0, 0, 0));
514 bg = SetBkColor32(hdc, RGB(255, 255, 255));
515 BitBlt32(hdc, x, y, cx, cy, memdc, 0, 0, 0x00E20746);
516 SetTextColor32(hdc, fg);
517 SetBkColor32(hdc, bg);
518 if(hb) SelectObject32(hdc, hbsave);
520 SelectObject32(memdc, hbmsave);
527 /***********************************************************************
528 * GrayString16 (USER.185)
530 BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
531 LPARAM lParam, INT16 cch, INT16 x, INT16 y,
534 return TEXT_GrayString(hdc, hbr, (GRAYSTRINGPROC32)gsprc, lParam, cch, x, y, cx, cy, FALSE, FALSE);
538 /***********************************************************************
539 * GrayString32A (USER32.315)
541 BOOL32 WINAPI GrayString32A( HDC32 hdc, HBRUSH32 hbr, GRAYSTRINGPROC32 gsprc,
542 LPARAM lParam, INT32 cch, INT32 x, INT32 y,
545 return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy, FALSE, TRUE);
549 /***********************************************************************
550 * GrayString32W (USER32.316)
552 BOOL32 WINAPI GrayString32W( HDC32 hdc, HBRUSH32 hbr, GRAYSTRINGPROC32 gsprc,
553 LPARAM lParam, INT32 cch, INT32 x, INT32 y,
556 return TEXT_GrayString(hdc, hbr, gsprc, lParam, cch, x, y, cx, cy, TRUE, TRUE);
560 /***********************************************************************
563 * Helper function for TabbedTextOut() and GetTabbedTextExtent().
564 * Note: this doesn't work too well for text-alignment modes other
565 * than TA_LEFT|TA_TOP. But we want bug-for-bug compatibility :-)
567 LONG TEXT_TabbedTextOut( HDC32 hdc, INT32 x, INT32 y, LPCSTR lpstr,
568 INT32 count, INT32 cTabStops, const INT16 *lpTabPos16,
569 const INT32 *lpTabPos32, INT32 nTabOrg,
570 BOOL32 fDisplayText )
579 defWidth = lpTabPos32 ? *lpTabPos32 : *lpTabPos16;
585 GetTextMetrics16( hdc, &tm );
586 defWidth = 8 * tm.tmAveCharWidth;
591 for (i = 0; i < count; i++)
592 if (lpstr[i] == '\t') break;
593 extent = GetTextExtent( hdc, lpstr, i );
596 while ((cTabStops > 0) &&
597 (nTabOrg + *lpTabPos32 <= x + LOWORD(extent)))
605 while ((cTabStops > 0) &&
606 (nTabOrg + *lpTabPos16 <= x + LOWORD(extent)))
613 tabPos = x + LOWORD(extent);
614 else if (cTabStops > 0)
615 tabPos = nTabOrg + (lpTabPos32 ? *lpTabPos32 : *lpTabPos16);
617 tabPos = nTabOrg + ((x + LOWORD(extent) - nTabOrg) / defWidth + 1) * defWidth;
621 SetRect32( &r, x, y, tabPos, y+HIWORD(extent) );
622 ExtTextOut32A( hdc, x, y,
623 GetBkMode32(hdc) == OPAQUE ? ETO_OPAQUE : 0,
624 &r, lpstr, i, NULL );
630 return MAKELONG(tabPos - start, HIWORD(extent));
634 /***********************************************************************
635 * TabbedTextOut16 (USER.196)
637 LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
638 INT16 count, INT16 cTabStops,
639 const INT16 *lpTabPos, INT16 nTabOrg )
641 TRACE(text, "%04x %d,%d '%.*s' %d\n",
642 hdc, x, y, count, lpstr, count );
643 return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
644 lpTabPos, NULL, nTabOrg, TRUE );
648 /***********************************************************************
649 * TabbedTextOut32A (USER32.542)
651 LONG WINAPI TabbedTextOut32A( HDC32 hdc, INT32 x, INT32 y, LPCSTR lpstr,
652 INT32 count, INT32 cTabStops,
653 const INT32 *lpTabPos, INT32 nTabOrg )
655 TRACE(text, "%04x %d,%d '%.*s' %d\n",
656 hdc, x, y, count, lpstr, count );
657 return TEXT_TabbedTextOut( hdc, x, y, lpstr, count, cTabStops,
658 NULL, lpTabPos, nTabOrg, TRUE );
662 /***********************************************************************
663 * TabbedTextOut32W (USER32.543)
665 LONG WINAPI TabbedTextOut32W( HDC32 hdc, INT32 x, INT32 y, LPCWSTR str,
666 INT32 count, INT32 cTabStops,
667 const INT32 *lpTabPos, INT32 nTabOrg )
670 LPSTR p = HEAP_xalloc( GetProcessHeap(), 0, count + 1 );
671 lstrcpynWtoA( p, str, count + 1 );
672 ret = TabbedTextOut32A( hdc, x, y, p, count, cTabStops,
674 HeapFree( GetProcessHeap(), 0, p );
679 /***********************************************************************
680 * GetTabbedTextExtent16 (USER.197)
682 DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
683 INT16 cTabStops, const INT16 *lpTabPos )
685 TRACE(text, "%04x '%.*s' %d\n",
686 hdc, count, lpstr, count );
687 return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
688 lpTabPos, NULL, 0, FALSE );
692 /***********************************************************************
693 * GetTabbedTextExtent32A (USER32.293)
695 DWORD WINAPI GetTabbedTextExtent32A( HDC32 hdc, LPCSTR lpstr, INT32 count,
696 INT32 cTabStops, const INT32 *lpTabPos )
698 TRACE(text, "%04x '%.*s' %d\n",
699 hdc, count, lpstr, count );
700 return TEXT_TabbedTextOut( hdc, 0, 0, lpstr, count, cTabStops,
701 NULL, lpTabPos, 0, FALSE );
705 /***********************************************************************
706 * GetTabbedTextExtent32W (USER32.294)
708 DWORD WINAPI GetTabbedTextExtent32W( HDC32 hdc, LPCWSTR lpstr, INT32 count,
709 INT32 cTabStops, const INT32 *lpTabPos )
712 LPSTR p = HEAP_xalloc( GetProcessHeap(), 0, count + 1 );
713 lstrcpynWtoA( p, lpstr, count + 1 );
714 ret = GetTabbedTextExtent32A( hdc, p, count, cTabStops, lpTabPos );
715 HeapFree( GetProcessHeap(), 0, p );
719 /***********************************************************************
720 * GetTextCharset32 [GDI32.226] Gets character set for font in DC
723 * Should it return a UINT32 instead of an INT32?
726 * Success: Character set identifier
727 * Failure: DEFAULT_CHARSET
729 INT32 WINAPI GetTextCharset32(
730 HDC32 hdc) /* [in] Handle to device context */
732 /* MSDN docs say this is equivalent */
733 return GetTextCharsetInfo(hdc, NULL, 0);
736 /***********************************************************************
737 * GetTextCharset16 [GDI.612]
739 INT16 WINAPI GetTextCharset16(HDC16 hdc)
741 return GetTextCharset32(hdc);
744 /***********************************************************************
745 * GetTextCharsetInfo [GDI32.381] Gets character set for font
748 * Should csi be an LPFONTSIGNATURE instead of an LPCHARSETINFO?
749 * Should it return a UINT32 instead of an INT32?
752 * Success: Character set identifier
753 * Failure: DEFAULT_CHARSET
755 INT32 WINAPI GetTextCharsetInfo(
756 HDC32 hdc, /* [in] Handle to device context */
757 LPCHARSETINFO csi, /* [out] Pointer to struct to receive data */
758 DWORD flags) /* [in] Reserved - must be 0 */
760 FIXME(text,"(0x%x,%p,%08lx): stub\n",hdc,csi,flags);
762 csi->ciCharset = DEFAULT_CHARSET;
763 csi->ciACP = GetACP();
765 /* ... fill fontstruct too ... */
766 return DEFAULT_CHARSET;