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/* Pango
* thai-charprop.h:
*
* Copyright (C) 1999 Red Hat Software
* Author: Owen Taylor <otaylor@redhat.com>
*
* Software and Language Engineering Laboratory, NECTEC
* Author: Theppitak Karoonboonyanan <thep@links.nectec.or.th>
*
* Copyright (c) 1996-2000 by Sun Microsystems, Inc.
* Author: Chookij Vanatham <Chookij.Vanatham@Eng.Sun.COM>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __THAI_CHARPROP_H__
#define __THAI_CHARPROP_H__
#include <glib.h>
#define isthai(wc) (0x0E00 <= (wc) && (wc) < 0x0E60)
#define islao(wc) (0x0E80 <= (wc) && (wc) < 0x0EE0)
/* ucs2tis()
* Lao: [0x0E80..0x0EDF] -> [0x20..0x7F]
* Thai: [0x0E00..0x0E5F] -> [0xA0..0xFF]
*/
#define ucs2tis(wc) (((wc) - 0x0E00 + 0x20)^0x80)
/* Define TACTIS character classes */
#define CTRL 0
#define NON 1
#define CONS 2
#define LV 3
#define FV1 4
#define FV2 5
#define FV3 6
#define AM 7
#define BV1 8
#define BV2 9
#define BD 10
#define TONE 11
#define AD1 12
#define AD2 13
#define AD3 14
#define AD4 15
#define AV1 16
#define AV2 17
#define AV3 18
#define BCON 19
#define _ND 0
#define _NC 1
#define _UC (1<<1)
#define _BC (1<<2)
#define _SC (1<<3)
#define _AV (1<<4)
#define _BV (1<<5)
#define _TN (1<<6)
#define _AD (1<<7)
#define _BD (1<<8)
#define _AM (1<<9)
#define NoTailCons _NC
#define UpTailCons _UC
#define BotTailCons _BC
#define SpltTailCons _SC
#define Cons (NoTailCons|UpTailCons|BotTailCons|SpltTailCons)
#define AboveVowel _AV
#define BelowVowel _BV
#define Tone _TN
#define AboveDiac _AD
#define BelowDiac _BD
#define SaraAm _AM
#define is_char_type(wc, mask) (thai_char_type[ucs2tis ((wc))] & (mask))
#define TAC_char_class(wc) \
(isthai(wc)||islao(wc) ? thai_TAC_char_class[ucs2tis (wc)] : NON)
#define TAC_compose_input(wc1,wc2) \
thai_TAC_compose_input[TAC_char_class(wc1)][TAC_char_class(wc2)]
extern const gshort thai_char_type[256];
extern const gshort thai_TAC_char_class[256];
extern const gchar thai_TAC_compose_input[20][20];
#endif /* __THAI_CHARPROP_H__ */
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