/* fribidi-mirroring.h - get mirrored character * * Copyright (C) 2004 Sharif FarsiWeb, Inc * Copyright (C) 2001, 2002, 2004 Behdad Esfahbod * Copyright (C) 1999, 2000, 2017 Dov Grobgeld * * This file is part of GNU FriBidi. * * GNU FriBidi is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) any later version. * * GNU FriBidi is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with GNU FriBidi; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * For licensing issues, contact or write to * Sharif FarsiWeb, Inc., PO Box 13445-389, Tehran, Iran. * * Author(s): * Behdad Esfahbod, 2001, 2002, 2004 * Dov Grobgeld, 1999, 2000 */ #ifndef _FRIBIDI_MIRRORING_H #define _FRIBIDI_MIRRORING_H #include "fribidi-common.h" #include "fribidi-types.h" #include "fribidi-bidi-types.h" #include "fribidi-begindecls.h" /* fribidi_get_mirror_char - get mirrored character * * This function finds the mirrored equivalent of a character as defined in * the file BidiMirroring.txt of the Unicode Character Database available at * http://www.unicode.org/Public/UNIDATA/BidiMirroring.txt. * * If the input character is a declared as a mirroring character in the * Unicode standard and has a mirrored equivalent. The matching mirrored * character is put in the output, otherwise the input character itself is * put. * * Returns: if the character has a mirroring equivalent or not. */ FRIBIDI_ENTRY fribidi_boolean fribidi_get_mirror_char ( FriBidiChar ch, /* input character */ FriBidiChar *mirrored_ch /* output mirrored character */ ); /* fribidi_shape_mirroring - do mirroring shaping * * This functions replaces mirroring characters on right-to-left embeddings in * string with their mirrored equivalent as returned by * fribidi_get_mirror_char(). * * This function implements rule L4 of the Unicode Bidirectional Algorithm * available at http://www.unicode.org/reports/tr9/#L4. */ FRIBIDI_ENTRY void fribidi_shape_mirroring ( const FriBidiLevel *embedding_levels, /* input list of embedding levels, as returned by fribidi_get_par_embedding_levels */ const FriBidiStrIndex len, /* input string length */ FriBidiChar *str /* string to shape */ ); #include "fribidi-enddecls.h" #endif /* !_FRIBIDI_MIRRORING_H */ /* Editor directions: * Local Variables: * mode: c * c-basic-offset: 2 * indent-tabs-mode: t * tab-width: 8 * End: * vim: textwidth=78: autoindent: cindent: shiftwidth=2: tabstop=8: */