3 * GDI BiDirectional handling
5 * Copyright 2003 Shachar Shemesh
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #ifdef HAVE_UNICODE_UBIDI_H
26 #include <unicode/ubidi.h>
32 #include "wine/debug.h"
34 #include "gdi_private.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(bidi);
39 BOOL BidiAvail = TRUE;
41 BOOL BidiAvail = FALSE;
45 /*************************************************************
49 LPCWSTR lpString, /* [in] The string for which information is to be returned */
50 INT uCount, /* [in] Number of WCHARs in string. */
51 DWORD dwFlags, /* [in] GetCharacterPlacement compatible flags specifying how to process the string */
52 DWORD dwWineGCP_Flags, /* [in] Wine internal flags - Force paragraph direction */
53 LPWSTR lpOutString, /* [out] Reordered string */
54 INT uCountOut, /* [in] Size of output buffer */
55 UINT *lpOrder /* [out] Logical -> Visual order map */
59 TRACE("%s, %d, 0x%08lx\n",
60 debugstr_wn(lpString, uCount), uCount, dwFlags);
62 TRACE("lpOutString=%p, lpOrder=%p", lpOutString, lpOrder );
64 if ((dwFlags & GCP_REORDER) != 0) {
71 WARN("Failed to allocate structure\n");
72 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
76 switch( dwWineGCP_Flags&WINE_GCPW_DIR_MASK )
78 case WINE_GCPW_FORCE_LTR:
81 case WINE_GCPW_FORCE_RTL:
84 case WINE_GCPW_LOOSE_LTR:
85 level=UBIDI_DEFAULT_LTR;
87 case WINE_GCPW_LOOSE_RTL:
88 level=UBIDI_DEFAULT_RTL;
92 ubidi_setPara( bidi, lpString, uCount, level, NULL, &err );
93 if( lpOutString!=NULL ) {
94 ubidi_writeReordered( bidi, lpOutString, uCount,
95 (dwFlags&GCP_SYMSWAPOFF)?0:UBIDI_DO_MIRRORING, &err );
99 ubidi_getLogicalMap( bidi, lpOrder, &err );
104 if( U_FAILURE(err) ) {
105 FIXME("ICU Library return error code %d.\n", err );
106 FIXME("Please report this error to wine-devel@winehq.org so we can place "
107 "descriptive Windows error codes here\n");
108 SetLastError(ERROR_INVALID_LEVEL); /* This error is cryptic enough not to mean anything, I hope */
116 #endif /* HAVE_ICU */