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/* Copyright (C) 2001-2012 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.
*/
#include "psfont.h" /* for struct fddata */
#define MAC_DELETED_GLYPH_NAME "<Delete>"
/* Some glyphs have multiple encodings ("A" might be used for Alpha and Cyrillic A) */
struct dup {
SplineChar *sc;
int enc;
int uni;
struct dup *prev;
};
struct taxis {
uint32 tag;
real min, def, max; /* in user design space */
int nameid;
int paircount;
real *mapfrom; /* after conversion from [-1,1] */
real *mapto; /* secondary conversiont to [-1,1] */
};
struct tinstance {
int nameid;
real *coords; /* Location along axes array[axis_count] */
};
struct tuples {
real *coords; /* Location along axes array[axis_count] */
SplineChar **chars; /* Varied glyphs, array parallels one in info */
struct ttf_table *cvt;
KernClass *khead, *klast, *vkhead, *vklast; /* Varied kern classes */
};
struct variations {
int axis_count;
struct taxis *axes; /* Array of axis_count entries */
int instance_count; /* Not master designs, but named interpolations in design space */
struct tinstance *instances;
int tuple_count;
struct tuples *tuples;
};
enum gsub_inusetype { git_normal, git_justinuse, git_findnames };
struct macidname {
int id;
struct macname *head, *last;
struct macidname *next;
};
struct savetab {
uint32 tag;
uint32 offset;
int len;
};
struct ttfinfo {
int emsize; /* ascent + descent? from the head table */
int ascent, descent; /* from the hhea table */
/* not the usWinAscent from the OS/2 table */
int vertical_origin; /* if vmetrics are present */
int width_cnt; /* from the hhea table, in the hmtx table */
int glyph_cnt; /* from maxp table (or cff table) */
unsigned int index_to_loc_is_long:1; /* in head table */
unsigned int is_ttc:1; /* Is it a font collection? */
unsigned int is_onebyte:1; /* Is it a one byte encoding? */
unsigned int twobytesymbol:1; /* it had a symbol encoding which we converted to unicode */
unsigned int complainedbeyondglyfend:1; /* Don't complain about this more than once */
unsigned int extensionrequested:1; /* Only ask once for a copy of a font containing extension subtables */
unsigned int to_order2:1; /* We are to leave the font as truetype (order2) splines, else convert to ps */
unsigned int complainedmultname:1; /* Don't complain about this more than once */
unsigned int strokedfont: 1; /* painttype==2 for otf */
unsigned int use_typo_metrics: 1;
unsigned int weight_width_slope_only: 1;
unsigned int optimized_for_cleartype: 1;
unsigned int apply_lsb: 1;
int sfntRevision;
enum openflags openflags;
/* Mac fonts platform=0/1, platform specific enc id, roman=0, english is lang code 0 */
/* iso platform=2, platform specific enc id, latin1=0/2, no language */
/* microsoft platform=3, platform specific enc id, 1, english is lang code 0x??09 */
char *copyright; /* from the name table, nameid=0 */
char *familyname; /* nameid=1 */
char *fullname; /* nameid=4 */
char *weight;
char *version; /* nameid=5 */
char *fontname; /* postscript font name, nameid=6 */
char *xuid; /* Only for open type cff fonts */
int uniqueid;
real italicAngle; /* from post table */
int upos, uwidth; /* underline pos, width from post table */
real strokewidth;
int fstype;
struct psdict *private; /* Only for open type cff fonts */
EncMap *map;
enum uni_interp uni_interp;
struct pfminfo pfminfo;
short os2_version;
short gasp_version;
int dupnamestate;
struct ttflangname *names;
char *fontcomments, *fontlog;
char **cvt_names;
SplineChar **chars; /* from all over, glyf table for contours */
/* cmap table for encodings */
/* hmtx table for widths */
/* post table for names */
/* Or from CFF table for everything in opentype */
LayerInfo *layers;
int layer_cnt;
BDFFont *bitmaps;
char *cidregistry, *ordering;
int supplement;
real cidfontversion;
int subfontcnt;
SplineFont **subfonts;
char *inuse; /* What glyphs are used by this font in the ttc */
int numtables;
/* BASE */
uint32 base_start; /* Offset from sof to start of 'BASE' table */
/* CFF */
uint32 cff_start; /* Offset from sof to start of postscript compact font format */
uint32 cff_length;
/* cmap */
uint32 encoding_start; /* Offset from sof to start of encoding table */
uint32 vs_start; /* Offset within 'cmap' to variant selector table */
/* gasp */
uint32 gasp_start;
/* glyf */
uint32 glyph_start; /* Offset from sof to start of glyph table */
uint32 glyph_length;
/* GDEF */
uint32 gdef_start; /* Offset from sof to start of GDEF table (glyph class defn, ligature carets) */
uint32 gdef_length;
/* GPOS */
uint32 gpos_start; /* Offset from sof to start of GPOS table */
uint32 gpos_length;
/* GSUB */
uint32 gsub_start; /* Offset from sof to start of GSUB table */
uint32 gsub_length;
uint32 g_bounds; /* Filled in with g???_start+g???_length */
/* EBDT, bdat */
uint32 bitmapdata_start; /* Offset to start of bitmap data */
uint32 bitmapdata_length;
/* EBLT, bloc */
uint32 bitmaploc_start; /* Offset to start of bitmap locator data */
uint32 bitmaploc_length;
/* gvar, etc. */
uint32 gvar_start, gvar_len;
uint32 fvar_start, fvar_len;
uint32 avar_start, avar_len;
uint32 cvar_start, cvar_len;
/* head */
uint32 head_start;
/* hhea */
uint32 hhea_start;
/* hmtx */
uint32 hmetrics_start;
/* JSTF */
uint32 jstf_start;
uint32 jstf_length;
/* kern */
uint32 kern_start;
/* loca */
uint32 glyphlocations_start;/* there are glyph_cnt of these, from maxp tab */
uint32 loca_length; /* actually glypn_cnt is wrong. Use the table length (divided by size) instead */
/* maxp */
uint32 maxp_start; /* maximum number of glyphs */
uint32 maxp_len;
/* name */
uint32 copyright_start; /* copyright and fontname */
/* post */
uint32 postscript_start; /* names for the glyphs, italic angle, etc. */
/* OS/2 */
uint32 os2_start;
/* TYP1 */
uint32 typ1_start; /* For Adobe's? Apple's? attempt to stuff a type1 font into an sfnt wrapper */
uint32 typ1_length;
/* vhea */
uint32 vhea_start;
/* vmtx */
uint32 vmetrics_start;
/* VORG */
uint32 vorg_start;
/* PfEd -- FontForge/PfaEdit specific info */
uint32 pfed_start;
/* TeX -- TeX table, also non-standard */
uint32 tex_start;
/* BDF -- BDF properties, also non-standard */
uint32 bdf_start;
/* FFTM -- FontForge timestamps */
uint32 fftm_start;
/* Apple Advanced Typography Tables */
uint32 prop_start;
uint32 lcar_start;
uint32 opbd_start;
uint32 acnt_start;
uint32 feat_start;
uint32 mort_start;
uint32 morx_start;
uint32 bsln_start;
/* MATH Table */
uint32 math_start;
uint32 math_length;
/* Info for instructions */
uint32 cvt_start, cvt_len;
uint32 prep_start, prep_len;
uint32 fpgm_start, fpgm_len;
unsigned int one_of_many: 1; /* A TTCF file, or a opentype font with multiple fonts */
unsigned int obscomplain: 1; /* We've complained about obsolete format 3 in EBDT table */
unsigned int cmpcomplain: 1; /* We've complained about compressed format 4 in EBDT */
unsigned int unkcomplain: 1; /* We've complained about unknown formats in EBDT */
unsigned int comcomplain: 1; /* We've complained about composit formats in EBDT */
unsigned int onlystrikes: 1; /* Only read in the bitmaps, not the outlines */
unsigned int onlyonestrike: 1; /* Only read in one bitmap (strike) */
unsigned int barecff: 1; /* pay attention to the encoding in the cff file, we won't have a cmap */
unsigned int wdthcomplain: 1; /* We've complained about advance widths exceding the max */
unsigned int bbcomplain: 1; /* We've complained about glyphs being outside the bounding box */
unsigned int gbbcomplain: 1; /* We've complained about points being outside the bounding box */
int platform, specific; /* values of the encoding we chose to use */
int anchor_class_cnt; /* For GPOS */
int anchor_merge_cnt;
AnchorClass *ahead, *alast;
KernClass *khead, *klast, *vkhead, *vklast;
OTLookup *gpos_lookups, *gsub_lookups, *cur_lookups;
OTLookup *mort_subs_lookup, *mort_pos_lookup2;
int mort_r2l, mort_tag_mac, mort_feat, mort_setting, mort_is_nested;
uint16 *morx_classes;
uint16 *bsln_values;
int mort_max;
struct ttf_table *tabs;
FPST *possub;
ASM *sm;
MacFeat *features;
char *chosenname;
int macstyle;
int lookup_cnt; /* Max lookup in current GPOS/GSUB table */
int feature_cnt; /* Max feature in current GPOS/GSUB table */
struct variations *variations;
struct macidname *macstrids;
struct fontdict *fd; /* For reading in Type42 fonts. Glyph names in postscript section must be associated with glyphs in TTF section */
int savecnt;
struct savetab *savetab;
int32 last_size_pos;
uint16 design_size;
uint16 fontstyle_id;
struct otfname *fontstyle_name;
uint16 design_range_bottom, design_range_top;
struct texdata texdata;
int mark_class_cnt;
char **mark_classes; /* glyph name list */
char **mark_class_names; /* used within ff (utf8) */
int mark_set_cnt;
char **mark_sets; /* glyph name list */
char **mark_set_names; /* used within ff (utf8) */
uint8 warned_morx_out_of_bounds_glyph;
int badgid_cnt, badgid_max; /* Used when parsing apple morx tables*/
SplineChar **badgids; /* which use out of range glyph IDs as temporary flags */
long long creationtime; /* seconds since 1970 */
long long modificationtime;
int gasp_cnt;
struct gasp *gasp;
struct MATH *math;
/* Set of errors we found when loading the font */
unsigned int bad_ps_fontname: 1;
unsigned int bad_glyph_data: 1;
unsigned int bad_cff: 1;
unsigned int bad_metrics: 1;
unsigned int bad_cmap: 1;
unsigned int bad_embedded_bitmap: 1;
unsigned int bad_gx: 1;
unsigned int bad_ot: 1;
unsigned int bad_os2_version: 1;
unsigned int bad_sfnt_header: 1;
Layer guidelines;
struct Base *horiz_base, *vert_base;
Justify *justify;
int advanceWidthMax;
int fbb[4]; /* x,yMin x,yMax*/
int isFixedPitch;
uint32 jstf_script;
uint32 jstf_lang;
int16 jstf_isShrink, jstf_prio, jstf_lcnt;
struct otffeatname *feat_names;
enum gsub_inusetype justinuse;
long ttfFileSize;
};
struct taboff {
uint32 tag; /* Table name */
uint32 checksum;/* for table */
uint32 offset; /* to start of table in file */
uint32 length;
FILE *data;
uint16 dup_of;
uint16 orderingval;
};
#define MAX_TAB 48
struct tabdir {
int32 version; /* 0x00010000 */
uint16 numtab;
uint16 searchRange; /* (Max power of 2 <= numtab) *16 */
uint16 entrySel; /* Log2(Max power of 2 <= numtab ) */
uint16 rangeShift; /* numtab*16 - searchRange */
struct taboff tabs[MAX_TAB];/* room for all the tables */
/* Not in any particular order. */
struct taboff *ordered[MAX_TAB]; /* Ordered the way the tables should be output in file */
struct taboff *alpha[MAX_TAB]; /* Ordered alphabetically by tag for the ttf header */
};
struct glyphhead {
int16 numContours;
int16 xmin;
int16 ymin;
int16 xmax;
int16 ymax;
};
struct head {
int32 version; /* 0x00010000 */
int32 revision; /* 0 */
uint32 checksumAdj; /* set to 0, sum entire font, store 0xb1b0afba-sum */
uint32 magicNum; /* 0x5f0f3cf5 */
uint16 flags; /* 1 */
uint16 emunits; /* sf->ascent+sf->descent */
int32 createtime[2];/* number of seconds since 1904 */
int32 modtime[2];
int16 xmin; /* min for entire font */
int16 ymin;
int16 xmax;
int16 ymax;
uint16 macstyle; /* 1=>Bold, 2=>Italic */
uint16 lowestreadable; /* size in pixels. Say about 10? */
int16 dirhint; /* 0=>mixed directional characters, */
int16 locais32; /* is the location table 32bits or 16, 0=>16, 1=>32 */
int16 glyphformat; /* 0 */
uint16 mbz; /* padding */
};
struct hhead {
int32 version; /* 0x00010000 */
int16 ascender; /* sf->ascender */
int16 descender; /* -sf->descender */
int16 linegap; /* 0 */
int16 maxwidth; /* of all characters */
int16 minlsb; /* How is this different from xmin above? */
int16 minrsb;
int16 maxextent; /* How is this different from xmax above? */
int16 caretSlopeRise;/* Uh... let's say 1? */
int16 caretSlopeRun;/* Uh... let's say 0 */
/* not exactly specified, but FontValidator wants this to match italicangle */
int16 mbz[5];
int16 metricformat; /* 0 */
uint16 numMetrics; /* just set to glyph count */
};
struct hmtx {
uint16 width; /* NOTE: TTF only allows positive widths!!! */
int16 lsb;
};
struct kp {
uint16 left; /* left glyph num */
uint16 right; /* right glyph num */
/* table is ordered by these two above treated as uint32 */
int16 offset; /* kern amount */
};
struct kern {
uint16 version; /* 0 */
uint16 ntab; /* 1, number of subtables */
/* first (and only) subtable */
uint16 stversion; /* 0 */
uint16 length; /* length of subtable beginning at &stversion */
uint16 coverage; /* 1, (set of flags&format) */
uint16 nPairs; /* number of kern pairs */
uint16 searchRange; /* (Max power of 2 <= nPairs) *6 */
uint16 entrySel; /* Log2(Max power of 2 <= nPairs ) */
uint16 rangeShift; /* numtab*6 - searchRange */
struct kp *kerns; /* Array should be nPairs big */
};
struct maxp {
int32 version; /* 0x00010000 */
uint16 numGlyphs;
uint16 maxPoints; /* max number of points in a simple glyph */
uint16 maxContours; /* max number of paths in a simple glyph */
uint16 maxCompositPts;
uint16 maxCompositCtrs;
uint16 maxZones; /* 1 */
uint16 maxTwilightPts; /* 0 */
uint16 maxStorage; /* 0 */
uint16 maxFDEFs; /* 0 */
uint16 maxIDEFs; /* 0 */
uint16 maxStack; /* 0 */
uint16 maxglyphInstr;/* 0 */
uint16 maxnumcomponents; /* Maximum number of refs in any composit */
uint16 maxcomponentdepth;
/* Apple docs say: 0 (if no composits), maximum value 1 (one level of composit) */
/* OpenType docs say: 1 (if no composits), any depth allowed */
};
struct namerec {
uint16 platform; /* 3 => MS */
uint16 specific; /* 1 */
uint16 language; /* 0x0409 */
uint16 nameid; /* 0=>copyright, 1=>family, 2=>weight, 4=>fullname */
/* 5=>version, 6=>postscript name */
uint16 strlen;
uint16 stroff;
};
struct nametab {
uint16 format; /* 0 */
uint16 numrec; /* 1 */
uint16 startOfStrings; /* offset from start of table to start of strings */
struct namerec nr[6];
};
struct os2 {
uint16 version; /* 1 */
int16 avgCharWid; /* average all chars (v3) see v2 definition below */
uint16 weightClass; /* 100=>thin, 200=>extra-light, 300=>light, 400=>normal, */
/* 500=>Medium, 600=>semi-bold, 700=>bold, 800=>extra-bold, */
/* 900=>black */
uint16 widthClass; /* 75=>condensed, 100, 125=>expanded */
int16 fstype; /* 0x0008 => allow embedded editing */
int16 ysubXSize; /* emsize/5 */
int16 ysubYSize; /* emsize/5 */
int16 ysubXOff; /* 0 */
int16 ysubYOff; /* emsize/5 */
int16 ysupXSize; /* emsize/5 */
int16 ysupYSize; /* emsize/5 */
int16 ysupXOff; /* 0 */
int16 ysupYOff; /* emsize/5 */
int16 yStrikeoutSize; /* 102/2048 *emsize */
int16 yStrikeoutPos; /* 530/2048 *emsize */
int16 sFamilyClass; /* ??? 0 */
/* high order byte is the "class", low order byte the sub class */
/* class = 0 => no classification */
/* class = 1 => old style serifs */
/* subclass 0, no class; 1 ibm rounded; 2 garalde; 3 venetian; 4 mod venitian; 5 dutch modern; 6 dutch trad; 7 contemporary; 8 caligraphic; 15 misc */
/* class = 2 => transitional serifs */
/* subclass 0, no class; 1 drect line; 2 script; 15 misc */
/* class = 3 => modern serifs */
/* subclass: 1, italian; 2, script */
/* class = 4 => clarendon serifs */
/* subclass: 1, clarendon; 2, modern; 3 trad; 4 newspaper; 5 stub; 6 monotone; 7 typewriter */
/* class = 5 => slab serifs */
/* subclass: 1, monotone; 2, humanist; 3 geometric; 4 swiss; 5 typewriter */
/* class = 7 => freeform serifs */
/* subclass: 1, modern */
/* class = 8 => sans serif */
/* subclass: 1, ibm neogrotesque; 2 humanist; 3 low-x rounded; 4 high-x rounded; 5 neo-grotesque; 6 mod neo-grot; 9 typewriter; 10 matrix */
/* class = 9 => ornamentals */
/* subclass: 1, engraver; 2 black letter; 3 decorative; 4 3D */
/* class = 10 => scripts */
/* subclass: 1, uncial; 2 brush joined; 3 formal joined; 4 monotone joined; 5 calligraphic; 6 brush unjoined; 7 formal unjoined; 8 monotone unjoined */
/* class = 12 => symbolic */
/* subclass: 3 mixed serif; 6 old style serif; 7 neo-grotesque sans; */
char panose[10]; /* can be set to zero */
uint32 unicoderange[4];
/* 1<<0=>ascii, 1<<1 => latin1, 2=>100-17f, 3=>180-24f, 4=>250-2af */
/* 5=> 2b0-2ff, 6=>300-36f, ... */
char achVendID[4]; /* can be zero */
uint16 fsSel; /* 1=> italic, 32=>bold, 64 => regular */
/* 2=>underscore, 4=>negative, 8->outlined, 16=>strikeout */
/* version 4 of OS/2 */
/* 128->don't use win_ascent/descent for line spacing */
/* 256=>family varies on weight width slope only */
/* 512=>oblique (as opposed to italic) */
uint16 firstcharindex; /* minimum unicode encoding */
uint16 lastcharindex; /* maximum unicode encoding */
uint16 ascender; /* font ascender height (not ascent) */
uint16 descender; /* font descender height */
uint16 linegap; /* 0 */
uint16 winascent; /* ymax */
uint16 windescent; /* ymin */
uint32 ulCodePage[2];
/* 1<<0 => latin1, 1<<1=>latin2, cyrillic, greek, turkish, hebrew, arabic */
/* 1<<30 => mac, 1<<31 => symbol */
/* OTF stuff (version 2 of OS/2) */
short xHeight;
short capHeight;
short defChar;
short breakChar;
short maxContext;
/* V3 of OS/2 has no additional data */
/* V4 of OS/2 has no additional data */
int v1_avgCharWid; /* 1&2 Weighted average of the lower case letters and space */
int v3_avgCharWid; /* 3&4 average over all non-zero width glyphs */
};
struct post {
int32 formattype; /* 0x00020000 */
int32 italicAngle; /* in fixed format */
int16 upos;
int16 uwidth;
uint32 isfixed;
uint32 minmem42;
uint32 maxmem42;
uint32 minmem1;
uint32 maxmem1;
uint16 numglyphs;
uint16 glyphnameindex[1];
};
struct glyphinfo {
struct maxp *maxp; /* this one is given to dumpglyphs, rest blank */
uint32 *loca;
FILE *glyphs;
FILE *hmtx;
int hmtxlen;
FILE *vmtx;
int vmtxlen;
int next_glyph;
int glyph_len;
int xmin, ymin, xmax, ymax;
BlueData bd;
int strikecnt; /* number of bitmaps to dump */
int lasthwidth, lastvwidth; /* encoding of last glyph for which we generate a full metrics entry */
int hfullcnt, vfullcnt;
int flags;
int fixed_width;
int32 *bsizes;
unsigned int dovariations: 1;
unsigned int onlybitmaps: 1;
unsigned int has_instrs: 1;
unsigned int is_ttf: 1;
unsigned int ttc_composite_font: 1;
SplineFont *sf;
int32 *pointcounts;
int *bygid; /* glyph list */
int gcnt;
int layer;
};
struct vorg {
uint16 majorVersion; /* 1 */
uint16 minorVersion; /* 0 */
short defaultVertOriginY; /* Y coord of default vertical origin in the design coordinate system */
uint16 numVertOriginYMetrics; /* exceptions to the above, elements in following array */
};
struct feat_name {
int strid;
struct macname *mn, *smn;
};
struct other_names {
int strid;
struct macname *mn;
struct other_names *next;
};
struct alltabs {
struct tabdir tabdir;
struct head head;
struct hhead hhead;
struct hhead vhead;
struct maxp maxp;
struct os2 os2;
struct vorg vorg;
FILE *loca;
int localen;
FILE *name;
int namelen;
FILE *post;
int postlen;
FILE *gpos; /* Used instead of kern for opentype (and other glyph positioning) */
int gposlen;
FILE *gsub; /* Used for ligatures and other substitutions */
int gsublen;
FILE *gdef; /* If we use mark to base we need this to tell the text processor what things are marks (the opentype docs say it is optional. They are wrong) */
int gdeflen;
FILE *kern;
int kernlen;
FILE *cmap;
int cmaplen;
FILE *headf;
int headlen;
FILE *hheadf;
int hheadlen;
FILE *maxpf;
int maxplen;
FILE *os2f;
int os2len;
FILE *math;
int mathlen;
FILE *base;
int baselen;
FILE *jstf;
int jstflen;
FILE *cvtf;
int cvtlen;
FILE *fpgmf; /* Copied from an original ttf file and dumped out. Never generated */
int fpgmlen;
FILE *prepf; /* Copied from an original ttf file and dumped out. Never generated */
int preplen;
FILE *vheadf;
int vheadlen;
FILE *vorgf;
int vorglen;
FILE *gaspf;
int gasplen;
FILE *cfff;
int cfflen;
FILE *sidf;
FILE *sidh;
FILE *charset;
FILE *encoding;
FILE *globalsubrs;
FILE *private;
FILE *charstrings;
FILE *fdselect;
FILE *fdarray;
FILE *bdat; /* might be EBDT */
int bdatlen;
FILE *bloc; /* might be EBLC */
int bloclen;
FILE *ebsc;
int ebsclen;
FILE *prop;
int proplen;
FILE *opbd;
int opbdlen;
FILE *acnt;
int acntlen;
FILE *lcar;
int lcarlen;
FILE *feat;
int featlen;
FILE *morx;
int morxlen;
FILE *bsln;
int bslnlen;
FILE *pfed;
int pfedlen;
FILE *tex;
int texlen;
FILE *bdf;
int bdflen;
FILE *gvar;
int gvarlen;
FILE *fvar;
int fvarlen;
FILE *cvar;
int cvarlen;
FILE *avar;
int avarlen;
FILE *fftmf;
int fftmlen;
FILE *dsigf;
int dsiglen;
FILE *hdmxf;
int hdmxlen;
int defwid, nomwid;
int sidcnt;
int lenpos;
int privatelen;
unsigned int sidlongoffset: 1;
unsigned int cfflongoffset: 1;
unsigned int applemode: 1; /* Where apple & ms differ do things apple's way (bitmaps, name table PostScript) */
unsigned int opentypemode: 1; /* Where apple & ms differ do things opentype's way (bitmaps, name table PostScript) */
/* If both are set then try to generate both types of tables. Some things can't be fudged though (name table postscript) */
unsigned int msbitmaps: 1;
unsigned int applebitmaps: 1;
unsigned int otbbitmaps: 1;
unsigned int isotf: 1;
unsigned int dovariations: 1; /* Output Apple *var tables (for mm fonts) */
unsigned int error: 1;
struct glyphinfo gi;
int isfixed;
struct fd2data *fds;
int next_strid;
struct feat_name *feat_name;
struct other_names *other_names;
struct macname2 *ordered_feat;
int next_lookup; /* for doing nested lookups in contextual features */
short *gn_sid;
enum fontformat format;
int fontstyle_name_strid; /* For GPOS 'size' */
SplineFont *sf;
EncMap *map;
struct ttf_table *oldcvt;
unsigned oldcvtlen;
};
struct subhead { uint16 first, cnt, delta, rangeoff; }; /* a sub header in 8/16 cmap table */
enum touchflags { tf_x=1, tf_y=2, tf_d=4, tf_endcontour=0x80, tf_startcontour=0x40 };
struct ct_branch {
uint16 classnum;
struct contexttree *branch;
};
struct ct_subs {
struct fpst_rule *rule;
struct contexttree *branch;/* if the rule ends here this will be null */
uint16 thisclassnum;
};
struct contexttree {
int depth;
int branch_cnt; /* count of subbranches of this node */
struct ct_branch *branches;
struct fpst_rule *ends_here;
int rule_cnt; /* count of rules which are active here */
struct ct_subs *rules;
int pending_pos;
OTLookup *applymarkedsubs;
OTLookup *applycursubs;
uint16 marked_index, cur_index;
uint8 markme;
int state, next_state;
struct contexttree *parent;
};
/* TrueType Composite glyph flags */
#define _ARGS_ARE_WORDS 1
#define _ARGS_ARE_XY 2
#define _ROUND 4 /* round offsets so componant is on grid */
#define _SCALE 8
/* 0x10 is reserved */
#define _MORE 0x20
#define _XY_SCALE 0x40
#define _MATRIX 0x80
#define _INSTR 0x100
#define _USE_MY_METRICS 0x200
#define _OVERLAP_COMPOUND 0x400 /* Used in Apple GX fonts */
/* Means the components overlap (which? this one and what other?) */
/* Described in OpenType specs, not by Apple */
/* amusingly, Apple supports but MS does not */
/* MS says they support this after Win 2000 */
#define _SCALED_OFFSETS 0x800 /* Use Apple definition of offset interpretation */
#define _UNSCALED_OFFSETS 0x1000 /* Use MS definition */
extern int ttfFixupRef(SplineChar **chars,int i);
extern const char *cffnames[];
extern const int nStdStrings;
/* Open type Advanced Typography Tables */
extern void otf_dumpgpos(struct alltabs *at, SplineFont *sf);
extern void otf_dumpgsub(struct alltabs *at, SplineFont *sf);
extern void otf_dumpgdef(struct alltabs *at, SplineFont *sf);
extern void otf_dumpbase(struct alltabs *at, SplineFont *sf);
extern void otf_dumpjstf(struct alltabs *at, SplineFont *sf);
extern void otf_dump_dummydsig(struct alltabs *at, SplineFont *sf);
extern int gdefclass(SplineChar *sc);
/* Apple Advanced Typography Tables */
extern void aat_dumpacnt(struct alltabs *at, SplineFont *sf);
extern void ttf_dumpkerns(struct alltabs *at, SplineFont *sf);
extern void aat_dumplcar(struct alltabs *at, SplineFont *sf);
extern void aat_dumpmorx(struct alltabs *at, SplineFont *sf);
extern void aat_dumpopbd(struct alltabs *at, SplineFont *sf);
extern void aat_dumpprop(struct alltabs *at, SplineFont *sf);
extern void aat_dumpbsln(struct alltabs *at, SplineFont *sf);
extern int LookupHasDefault(OTLookup *otl);
extern int scriptsHaveDefault(struct scriptlanglist *sl);
extern int FPSTisMacable(SplineFont *sf, FPST *fpst);
extern uint32 MacFeatureToOTTag(int featureType,int featureSetting);
extern int OTTagToMacFeature(uint32 tag, int *featureType,int *featureSetting);
extern uint16 *props_array(SplineFont *sf,struct glyphinfo *gi);
extern int haslrbounds(SplineChar *sc, PST **left, PST **right);
extern int16 *PerGlyphDefBaseline(SplineFont *sf,int *def_baseline);
extern void FigureBaseOffsets(SplineFont *sf,int def_bsln,int offsets[32]);
/* Apple variation tables */
extern int ContourPtNumMatch(MMSet *mm, int gid);
extern int16 **SCFindDeltas(MMSet *mm, int gid, int *_ptcnt);
extern int16 **CvtFindDeltas(MMSet *mm, int *_ptcnt);
extern void ttf_dumpvariations(struct alltabs *at, SplineFont *sf);
extern struct macsettingname {
int mac_feature_type;
int mac_feature_setting;
uint32 otf_tag;
} macfeat_otftag[], *user_macfeat_otftag;
/* TrueType instructions */
extern struct ttf_table *SFFindTable(SplineFont *sf,uint32 tag);
extern int32 memlong(uint8 *data,int table_len, int offset);
extern int memushort(uint8 *data,int table_len, int offset);
extern void memputshort(uint8 *data,int offset,uint16 val);
extern int TTF__getcvtval(SplineFont *sf,int val);
extern int TTF_getcvtval(SplineFont *sf,int val);
extern void SCinitforinstrs(SplineChar *sc);
extern int SSAddPoints(SplineSet *ss,int ptcnt,BasePoint *bp, char *flags);
extern int Macable(SplineFont *sf, OTLookup *otl);
/* Used by both otf and apple */
extern int LigCaretCnt(SplineChar *sc);
extern uint16 *ClassesFromNames(SplineFont *sf,char **classnames,int class_cnt,
int numGlyphs, SplineChar ***glyphs, int apple_kc);
extern SplineChar **SFGlyphsFromNames(SplineFont *sf,char *names);
extern void AnchorClassOrder(SplineFont *sf);
extern SplineChar **EntryExitDecompose(SplineFont *sf,AnchorClass *ac,
struct glyphinfo *gi);
extern void AnchorClassDecompose(SplineFont *sf,AnchorClass *_ac, int classcnt, int *subcnts,
SplineChar ***marks,SplineChar ***base,
SplineChar ***lig,SplineChar ***mkmk,
struct glyphinfo *gi);
extern void cvt_unix_to_1904( long long time, int32 result[2]);
/* Non-standard tables */
/* My PfEd table for FontForge/PfaEdit specific info */
extern void pfed_dump(struct alltabs *at, SplineFont *sf);
extern void pfed_read(FILE *ttf,struct ttfinfo *info);
/* The TeX table, to contain stuff the TeX people want */
extern void tex_dump(struct alltabs *at, SplineFont *sf);
extern void tex_read(FILE *ttf,struct ttfinfo *info);
/* The BDF table, to contain bdf properties the X people want */
extern int ttf_bdf_dump(SplineFont *sf,struct alltabs *at,int32 *sizes);
extern void ttf_bdf_read(FILE *ttf,struct ttfinfo *info);
/* The FFTM table, to some timestamps I'd like */
extern int ttf_fftm_dump(SplineFont *sf,struct alltabs *at);
/* The MATH table */
extern void otf_dump_math(struct alltabs *at, SplineFont *sf);
extern void otf_read_math(FILE *ttf,struct ttfinfo *info);
extern void otf_read_math_used(FILE *ttf,struct ttfinfo *info);
extern void GuessNamesFromMATH(FILE *ttf,struct ttfinfo *info);
/* Parsing advanced typography */
extern void readmacfeaturemap(FILE *ttf,struct ttfinfo *info);
extern void readttfkerns(FILE *ttf,struct ttfinfo *info);
extern void readttfmort(FILE *ttf,struct ttfinfo *info);
extern void readttfmort_glyphsused(FILE *ttf,struct ttfinfo *info);
extern void readttfopbd(FILE *ttf,struct ttfinfo *info);
extern void readttflcar(FILE *ttf,struct ttfinfo *info);
extern void readttfprop(FILE *ttf,struct ttfinfo *info);
extern void readttfbsln(FILE *ttf,struct ttfinfo *info);
extern void readttfgsubUsed(FILE *ttf,struct ttfinfo *info);
extern void GuessNamesFromGSUB(FILE *ttf,struct ttfinfo *info);
extern void readttfgpossub(FILE *ttf,struct ttfinfo *info,int gpos);
extern void readttfgdef(FILE *ttf,struct ttfinfo *info);
extern void readttfbase(FILE *ttf,struct ttfinfo *info);
extern void readttfjstf(FILE *ttf,struct ttfinfo *info);
extern void VariationFree(struct ttfinfo *info);
extern void readttfvariations(struct ttfinfo *info, FILE *ttf);
extern struct otfname *FindAllLangEntries(FILE *ttf, struct ttfinfo *info, int id );
/* Known font parameters for 'TeX ' table (fontdims, spacing params, whatever you want to call them) */
/* Used by all fonts */
#define TeX_Slant CHR('S','l','n','t')
#define TeX_Space CHR('S','p','a','c')
#define TeX_Stretch CHR('S','t','r','e')
#define TeX_Shrink CHR('S','h','n','k')
#define TeX_XHeight CHR('X','H','g','t')
#define TeX_Quad CHR('Q','u','a','d')
/* Used by text fonts */
#define TeX_ExtraSp CHR('E','x','S','p')
/* Used by all math fonts */
#define TeX_MathSp CHR('M','t','S','p')
/* Used by math fonts */
#define TeX_Num1 CHR('N','u','m','1')
#define TeX_Num2 CHR('N','u','m','2')
#define TeX_Num3 CHR('N','u','m','3')
#define TeX_Denom1 CHR('D','n','m','1')
#define TeX_Denom2 CHR('D','n','m','2')
#define TeX_Sup1 CHR('S','u','p','1')
#define TeX_Sup2 CHR('S','u','p','2')
#define TeX_Sup3 CHR('S','u','p','3')
#define TeX_Sub1 CHR('S','u','b','1')
#define TeX_Sub2 CHR('S','u','b','2')
#define TeX_SupDrop CHR('S','p','D','p')
#define TeX_SubDrop CHR('S','b','D','p')
#define TeX_Delim1 CHR('D','l','m','1')
#define TeX_Delim2 CHR('D','l','m','2')
#define TeX_AxisHeight CHR('A','x','H','t')
/* Used by math extension fonts */
#define TeX_DefRuleThick CHR('R','l','T','k')
#define TeX_BigOpSpace1 CHR('B','O','S','1')
#define TeX_BigOpSpace2 CHR('B','O','S','2')
#define TeX_BigOpSpace3 CHR('B','O','S','3')
#define TeX_BigOpSpace4 CHR('B','O','S','4')
#define TeX_BigOpSpace5 CHR('B','O','S','5')
extern void SFDummyUpCIDs(struct glyphinfo *gi,SplineFont *sf);
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