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/* Copyright (C) 2000-2012 by George Williams */
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SFD1_H
#define _SFD1_H
/* This file contains the data structures needed to read in an old sfd file */
/* features and lookups and scripts are handled differently. That means that */
/* the KernPair, KernClass, PST, FPST, AnchorClass, StateMachine data structures */
/* are organized differently. Also we've got a script language list which */
/* doesn't exist in the new format and we don't have OTLookup */
#include "splinefont.h"
#define SLI_UNKNOWN 0xffff
#define SLI_NESTED 0xfffe
typedef struct anchorclass1 {
AnchorClass ac;
uint32 feature_tag;
uint16 script_lang_index;
uint16 flags;
uint16 merge_with;
uint8 has_bases;
uint8 has_ligatures;
} AnchorClass1;
typedef struct kernpair1 {
KernPair kp;
uint16 sli, flags;
} KernPair1;
typedef struct kernclass1 {
KernClass kc;
uint16 sli;
uint16 flags;
} KernClass1;
typedef struct generic_pst1 {
PST pst;
uint8 macfeature; /* tag should be interpretted as <feature,setting> rather than 'abcd' */
uint16 flags;
uint16 script_lang_index; /* 0xffff means none */
uint32 tag;
} PST1;
typedef struct generic_fpst1 {
FPST fpst;
uint16 script_lang_index;
uint16 flags;
uint32 tag;
} FPST1;
typedef struct generic_asm1 { /* Apple State Machine */
ASM sm;
uint16 feature, setting;
uint32 opentype_tag; /* If converted from opentype */
} ASM1;
struct table_ordering {
uint32 table_tag;
uint32 *ordered_features;
struct table_ordering *next;
};
struct script_record {
uint32 script;
uint32 *langs;
};
struct tagtype {
enum possub_type type;
uint32 tag;
};
struct gentagtype {
uint16 tt_cur, tt_max;
struct tagtype *tagtype;
};
typedef struct splinefont1 {
SplineFont sf;
struct table_ordering *orders;
/* Any GPOS/GSUB entry (PST, AnchorClass, kerns, FPST */
/* Has an entry saying what scripts/languages it should appear it */
/* Things like fractions will appear in almost all possible script/lang */
/* combinations, while alphabetic ligatures will only live in one script */
/* Rather than store the complete list of possibilities in each PST we */
/* store all choices used here, and just store an index into this list */
/* in the PST. All lists are terminated by a 0 entry */
struct script_record **script_lang;
int16 sli_cnt;
struct gentagtype gentags;
} SplineFont1;
extern int SFFindBiggestScriptLangIndex(SplineFont *_sf,uint32 script,uint32 lang);
extern int SFAddScriptIndex(SplineFont1 *sf,uint32 *scripts,int scnt);
extern void SFD_AssignLookups(SplineFont1 *sf);
#endif /* _SFD1_H */
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