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