/* 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 "" 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 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 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 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); 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 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 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 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 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); 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); /* 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);