/* $CJKCodecs: emu_jisx0213_2000.h,v 1.3 2004/07/08 02:53:37 perky Exp $ */

/* These routines may be quite inefficient, but it's used only to emulate old
 * standards. */

#ifndef EMULATE_JISX0213_2000_ENCODE_INVALID
#define EMULATE_JISX0213_2000_ENCODE_INVALID 1
#endif

#define EMULATE_JISX0213_2000_ENCODE_BMP(assi, c)			\
	if (config == (void *)2000 && (					\
			(c) == 0x9B1C || (c) == 0x4FF1 ||		\
			(c) == 0x525D || (c) == 0x541E ||		\
			(c) == 0x5653 || (c) == 0x59F8 ||		\
			(c) == 0x5C5B || (c) == 0x5E77 ||		\
			(c) == 0x7626 || (c) == 0x7E6B))		\
		return EMULATE_JISX0213_2000_ENCODE_INVALID;		\
	else if (config == (void *)2000 && (c) == 0x9B1D)		\
		(assi) = 0x8000 | 0x7d3b;				\

#define EMULATE_JISX0213_2000_ENCODE_EMP(assi, c)			\
	if (config == (void *)2000 && (c) == 0x20B9F)			\
		return EMULATE_JISX0213_2000_ENCODE_INVALID;

#ifndef EMULATE_JISX0213_2000_DECODE_INVALID
#define EMULATE_JISX0213_2000_DECODE_INVALID 2
#endif

#define EMULATE_JISX0213_2000_DECODE_PLANE1(assi, c1, c2)		\
	if (config == (void *)2000 &&					\
			(((c1) == 0x2E && (c2) == 0x21) ||		\
			 ((c1) == 0x2F && (c2) == 0x7E) ||		\
			 ((c1) == 0x4F && (c2) == 0x54) ||		\
			 ((c1) == 0x4F && (c2) == 0x7E) ||		\
			 ((c1) == 0x74 && (c2) == 0x27) ||		\
			 ((c1) == 0x7E && (c2) == 0x7A) ||		\
			 ((c1) == 0x7E && (c2) == 0x7B) ||		\
			 ((c1) == 0x7E && (c2) == 0x7C) ||		\
			 ((c1) == 0x7E && (c2) == 0x7D) ||		\
			 ((c1) == 0x7E && (c2) == 0x7E)))		\
		return EMULATE_JISX0213_2000_DECODE_INVALID;

#define EMULATE_JISX0213_2000_DECODE_PLANE2(assi, c1, c2)		\
	if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B)	\
		(assi) = 0x9B1D;