90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/* Pango
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* pango-indic.h: Library for Indic script rendering
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*
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* Copyright (C) 2000 SuSE Linux Ltd.
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*
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* Author: Robert Brady <rwb197@zepler.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* Licence as published by the Free Software Foundation; either
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* version 2 of the Licence, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public Licence for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* Licence along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* This library is basically internal
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*
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* Don't use it, unless you are me, or are in contact with me,
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* or like living dangerously.
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*/
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#ifndef __PANGO_INDIC_H__
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#define __PANGO_INDIC_H__
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#include <pango-glyph.h>
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G_BEGIN_DECLS
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#ifdef PANGO_ENABLE_ENGINE
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#define PANGO_ZERO_WIDTH_NON_JOINER 0x200c
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#define PANGO_ZERO_WIDTH_JOINER 0x200d
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typedef struct _PangoIndicScript PangoIndicScript;
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struct _PangoIndicScript {
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/* Compulsory */
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gchar *name;
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/* Compulsory */
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gboolean (*is_prefixing_vowel) (gunichar what);
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/* Compulsory */
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gboolean (*is_vowel_sign) (gunichar what);
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/* Optional */
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gunichar (*vowel_sign_to_matra) (gunichar what);
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/* Optional */
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gboolean (*is_vowel_half) (gunichar what);
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/* Optional */
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gboolean (*vowel_split) (gunichar what,
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gunichar *prefix,
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gunichar *suffix);
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};
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void pango_indic_shift_vowels (PangoIndicScript *script,
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gunichar *chars,
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gunichar *end);
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void pango_indic_compact (PangoIndicScript *script,
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int *num,
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gunichar *chars,
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int *cluster);
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void pango_indic_convert_vowels (PangoIndicScript *script,
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gboolean in_middle,
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int *num,
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gunichar *chars,
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gboolean has_standalone_vowels);
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void pango_indic_split_out_characters (PangoIndicScript *script,
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const gchar *text,
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int n_chars,
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gunichar **wc,
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int *n_glyph,
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PangoGlyphString *glyphs);
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#endif /* PANGO_ENABLE_ENGINE */
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G_END_DECLS
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#endif /* __PANGO_INDIC_H */
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