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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/tottfgpos.c')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/tottfgpos.c | 366 |
1 files changed, 0 insertions, 366 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/tottfgpos.c b/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/tottfgpos.c deleted file mode 100644 index d89177e211f..00000000000 --- a/Build/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/tottfgpos.c +++ /dev/null @@ -1,366 +0,0 @@ -/* Copyright (C) 2000-2008 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 "fontforgevw.h" -#include <utype.h> -#include <ustring.h> - -int coverageformatsallowed=3; -int use_second_indic_scripts = false; - -#include "ttf.h" - -/* This file contains routines to create the otf gpos and gsub tables and their */ -/* attendant subtables */ - -/* Undocumented fact: ATM (which does kerning for otf fonts in Word) can't handle features with multiple lookups */ - -/* Undocumented fact: Only one feature with a given tag allowed per script/lang */ -/* So if we have multiple lookups with the same tag they must be merged into */ -/* one feature with many lookups */ - -/* scripts (for opentype) that I understand */ - /* see also list in lookups.c mapping script tags to friendly names */ - -static uint32 scripts[][15] = { -/* Arabic */ { CHR('a','r','a','b'), 0x0600, 0x06ff, 0xfb50, 0xfdff, 0xfe70, 0xfefe }, -/* Aramaic */ { CHR('a','r','a','m'), 0x820, 0x83f }, -/* Armenian */ { CHR('a','r','m','n'), 0x0530, 0x058f, 0xfb13, 0xfb17 }, -/* Balinese */ { CHR('b','a','l','i'), 0x1b00, 0x1b7f }, -/* Bengali */ { CHR('b','e','n','g'), 0x0980, 0x09ff }, -/* Bliss symb */{ CHR('b','l','i','s'), 0x12200, 0x124ff }, -/* Bopomofo */ { CHR('b','o','p','o'), 0x3100, 0x312f, 0x31a0, 0x31bf }, -/* Braille */ { CHR('b','r','a','i'), 0x2800, 0x28ff }, -/* Buginese */ { CHR('b','u','g','i'), 0x1a00, 0x1a1f }, -/* Buhid */ { CHR('b','u','h','d'), 0x1740, 0x1753 }, -/* Byzantine M*/{ CHR('b','y','z','m'), 0x1d000, 0x1d0ff }, -/* Canadian Syl*/{CHR('c','a','n','s'), 0x1400, 0x167f }, -/* Carian */ {CHR('c','a','r','i'), 0x0, 0x0 }, -/* Cham */ {CHR('c','h','a','m'), 0x0, 0x0 }, -/* Cherokee */ { CHR('c','h','e','r'), 0x13a0, 0x13ff }, -/* Cirth */ { CHR('c','i','r','t'), 0x12080, 0x120ff }, -/* CJKIdeogra */{ CHR('h','a','n','i'), 0x3300, 0x9fff, 0xf900, 0xfaff, 0x020000, 0x02ffff }, -/* Coptic */ { CHR('c','o','p','t'), 0x2c80, 0x2cff }, -/* Cypriot */ { CHR('c','p','m','n'), 0x10800, 0x1083f }, -/* Cyrillic */ { CHR('c','y','r','l'), 0x0400, 0x052f, 0x1d2b, 0x1d2b, 0x1d78, 0x1d78, - 0x2de0, 0x2dff, 0xa640, 0xa6ff }, -/* Deseret */ { CHR('d','s','r','t'), 0x10400, 0x1044f }, -/* Devanagari */{ CHR('d','e','v','a'), 0x0900, 0x097f }, -/* Ethiopic */ { CHR('e','t','h','i'), 0x1200, 0x139f }, -/* Georgian */ { CHR('g','e','o','r'), 0x1080, 0x10ff }, -/* Glagolitic */{ CHR('g','l','a','g'), 0x1080, 0x10ff }, -/* Gothic */ { CHR('g','o','t','h'), 0x10330, 0x1034a }, -/* Greek */ { CHR('g','r','e','k'), 0x0370, 0x03ff, 0x1f00, 0x1fff }, -/* Gujarati */ { CHR('g','u','j','r'), 0x0a80, 0x0aff }, -/* Gurmukhi */ { CHR('g','u','r','u'), 0x0a00, 0x0a7f }, -/* Hangul */ { CHR('h','a','n','g'), 0xac00, 0xd7af, 0x3130, 0x319f, 0xffa0, 0xff9f }, -/* Hanunoo */ { CHR('h','a','n','o'), 0x1720, 0x1734 }, - /* I'm not sure what the difference is between the 'hang' tag and the 'jamo' */ - /* tag. 'Jamo' is said to be the precomposed forms, but what's 'hang'? */ -/* Hebrew */ { CHR('h','e','b','r'), 0x0590, 0x05ff, 0xfb1e, 0xfb4f }, -#if 0 /* Hiragana used to have its own tag, but has since been merged with katakana */ -/* Hiragana */ { CHR('h','i','r','a'), 0x3040, 0x309f }, -#endif -/* Hangul Jamo*/{ CHR('j','a','m','o'), 0x1100, 0x11ff, 0x3130, 0x319f, 0xffa0, 0xffdf }, -/* Javanese */ { CHR('j','a','v','a'), 0 }, /* MS has a tag, but there is no unicode range */ -/* Katakana */ { CHR('k','a','n','a'), 0x3040, 0x30ff, 0xff60, 0xff9f }, -/* Kayah Li */ { CHR('k','a','l','i'), 0 }, -/* Kannada */ { CHR('k','n','d','a'), 0x0c80, 0x0cff }, -/* Kharosthi */ { CHR('k','h','a','r'), 0x10a00, 0x10a5f }, -/* Khmer */ { CHR('k','h','m','r'), 0x1780, 0x17ff }, -/* Latin */ { CHR('l','a','t','n'), 0x0041, 0x005a, 0x0061, 0x007a, - 0x00c0, 0x02af, 0x1d00, 0x1eff, 0xfb00, 0xfb0f, 0xff00, 0xff5f, 0xa770, 0xa7ff }, -/* Lao */ { CHR('l','a','o',' '), 0x0e80, 0x0eff }, -/* Lepcha */ { CHR('l','e','p','c'), 0 }, -/* Limbu */ { CHR('l','i','m','b'), 0x1900, 0x194f }, -/* Linear A */ /*{ CHR('l','i','n','a'), 0x10180, 0x102cf },*/ /* What happened to linear A? */ -/* Linear B */ { CHR('l','i','n','b'), 0x10000, 0x100fa }, -/* Lycian */ { CHR('l','y','c','i'), 0 }, -/* Lydian */ { CHR('l','y','d','i'), 0 }, -/* Malayalam */ { CHR('m','l','y','m'), 0x0d00, 0x0d7f }, -/* Mathematical Alphanumeric Symbols */ - { CHR('m','a','t','h'), 0x1d400, 0x1d7ff }, -/* Mongolian */ { CHR('m','o','n','g'), 0x1800, 0x18af }, -/* Musical */ { CHR('m','u','s','i'), 0x1d100, 0x1d1ff }, -/* Myanmar */ { CHR('m','y','m','r'), 0x1000, 0x107f }, -/* New Tai Lue*/{ CHR('t','a','l','u'), 0 }, -/* N'Ko */ { CHR('n','k','o',' '), 0x07c0, 0x07fa }, -/* Ogham */ { CHR('o','g','a','m'), 0x1680, 0x169f }, -/* Ol Chiki */ { CHR('o','l','c','k'), 0 }, -/* Old Italic */{ CHR('i','t','a','l'), 0x10300, 0x1031e }, -/* Old Permic */{ CHR('p','e','r','m'), 0x10350, 0x1037f }, -/* Old Persian cuneiform */ - { CHR('x','p','e','o'), 0x103a0, 0x103df }, -/* Oriya */ { CHR('o','r','y','a'), 0x0b00, 0x0b7f }, -/* Osmanya */ { CHR('o','s','m','a'), 0x10480, 0x104a9 }, -/* Phags-pa */ { CHR('p','h','a','g'), 0xa840, 0xa87f }, -/* Phoenician */{ CHR('p','h','n','x'), 0x10900, 0x1091f }, -/* Pollard */ { CHR('p','l','r','d'), 0x104b0, 0x104d9 }, -/* Rejang */ { CHR('r','j','n','g'), 0 }, -/* Rongorongo */{ CHR('r','o','r','o'), 0 }, -/* Runic */ { CHR('r','u','n','r'), 0x16a0, 0x16ff }, -/* Saurashtra*/ { CHR('s','a','u','r'), 0 }, -/* Shavian */ { CHR('s','h','a','w'), 0x10450, 0x1047f }, -/* Sinhala */ { CHR('s','i','n','h'), 0x0d80, 0x0dff }, -/* Sumero-Akkadian Cuneiform */ - { CHR('x','s','u','x'), 0x12000, 0x1236e }, -/* Sundanese */ { CHR('s','u','n','d'), 0 }, -/* Syloti Nagri */ - { CHR('s','y','l','o'), 0xa800, 0xa82f }, -/* Syriac */ { CHR('s','y','r','c'), 0x0700, 0x074f }, -/* Tagalog */ { CHR('t','a','g','l'), 0x1700, 0x1714 }, -/* Tagbanwa */ { CHR('t','a','g','b'), 0x1760, 0x1773 }, -/* Tai Le */ { CHR('t','a','l','e'), 0x1950, 0x1974 }, -/* Tai Lu */ { CHR('t','a','l','u'), 0x1980, 0x19df }, -/* Tamil */ { CHR('t','a','m','l'), 0x0b80, 0x0bff }, -/* Telugu */ { CHR('t','e','l','u'), 0x0c00, 0x0c7f }, -/* Tengwar */ { CHR('t','e','n','g'), 0x12000, 0x1207f }, -/* Thaana */ { CHR('t','h','a','a'), 0x0780, 0x07bf }, -/* Thai */ { CHR('t','h','a','i'), 0x0e00, 0x0e7f }, -/* Tibetan */ { CHR('t','i','b','t'), 0x0f00, 0x0fff }, -/* Tifinagh */ { CHR('t','f','n','g'), 0x2d30, 0x2d7f }, -/* Ugaritic */ { CHR('u','g','a','r'), 0x10380, 0x1039d }, -/* Yi */ { CHR('y','i',' ',' '), 0xa000, 0xa4c6 }, - { 0 } -}; - -int ScriptIsRightToLeft(uint32 script) { - if ( script==CHR('a','r','a','b') || script==CHR('h','e','b','r') || - script==CHR('c','p','m','n') || script==CHR('k','h','a','r') || - script==CHR('s','y','r','c') || script==CHR('t','h','a','a') || - script==CHR('n','k','o',' ')) -return( true ); - -return( false ); -} - -uint32 ScriptFromUnicode(int u,SplineFont *sf) { - int s, k; - - if ( u!=-1 ) { - for ( s=0; scripts[s][0]!=0; ++s ) { - for ( k=1; scripts[s][k+1]!=0; k += 2 ) - if ( u>=scripts[s][k] && u<=scripts[s][k+1] ) - break; - if ( scripts[s][k+1]!=0 ) - break; - } - if ( scripts[s][0]!=0 ) { - uint32 script = scripts[s][0]; - if ( use_second_indic_scripts ) { - /* MS has a parallel set of script tags for their new */ - /* Indic font shaper */ - if ( script == CHR('b','e','n','g' )) script = CHR('b','n','g','2'); - else if ( script == CHR('d','e','v','a' )) script = CHR('d','e','v','2'); - else if ( script == CHR('g','u','j','r' )) script = CHR('g','j','r','2'); - else if ( script == CHR('g','u','r','u' )) script = CHR('g','u','r','2'); - else if ( script == CHR('k','n','d','a' )) script = CHR('k','n','d','2'); - else if ( script == CHR('m','l','y','m' )) script = CHR('m','l','y','2'); - else if ( script == CHR('o','r','y','a' )) script = CHR('o','r','y','2'); - else if ( script == CHR('t','a','m','l' )) script = CHR('t','m','l','2'); - else if ( script == CHR('t','e','l','u' )) script = CHR('t','e','l','2'); - } -return( script ); - } - } else if ( sf!=NULL ) { - if ( sf->cidmaster!=NULL || sf->subfontcnt!=0 ) { - if ( sf->cidmaster!=NULL ) sf = sf->cidmaster; - if ( strmatch(sf->ordering,"Identity")==0 ) -return( DEFAULT_SCRIPT ); - else if ( strmatch(sf->ordering,"Korean")==0 ) -return( CHR('h','a','n','g')); - else -return( CHR('h','a','n','i') ); - } - } - -return( DEFAULT_SCRIPT ); -} - -uint32 SCScriptFromUnicode(SplineChar *sc) { - char *pt; - PST *pst; - SplineFont *sf; - int i; unsigned uni; - FeatureScriptLangList *features; - - if ( sc==NULL ) -return( DEFAULT_SCRIPT ); - - sf = sc->parent; - if ( sc->unicodeenc!=-1 && - !(sc->unicodeenc>=0xe000 && sc->unicodeenc<0xf8ff) && - !(sc->unicodeenc>=0xf0000 && sc->unicodeenc<0x10ffff)) -return( ScriptFromUnicode( sc->unicodeenc,sf )); - - pt = sc->name; - if ( *pt ) for ( ++pt; *pt!='\0' && *pt!='_' && *pt!='.'; ++pt ); - if ( *pt!='\0' ) { - char *str = copyn(sc->name,pt-sc->name); - int uni = sf==NULL || sf->fv==NULL ? UniFromName(str,ui_none,&custom) : - UniFromName(str,sf->uni_interp,sf->fv->map->enc); - free(str); - if ( uni!=-1 ) -return( ScriptFromUnicode( uni,sf )); - } - /* Adobe ligature uniXXXXXXXX */ - if ( strncmp(sc->name,"uni",3)==0 && sscanf(sc->name+3,"%4x", &uni)==1 ) -return( ScriptFromUnicode( uni,sf )); - - if ( sf==NULL ) -return( DEFAULT_SCRIPT ); - - if ( sf->cidmaster ) sf=sf->cidmaster; - else if ( sf->mm!=NULL ) sf=sf->mm->normal; - for ( i=0; i<2; ++i ) { - for ( pst=sc->possub; pst!=NULL; pst=pst->next ) { - if ( pst->type == pst_lcaret ) - continue; - for ( features = pst->subtable->lookup->features; features!=NULL; features=features->next ) { - if ( features->scripts!=NULL ) -return( features->scripts->script ); - } - } - } -return( ScriptFromUnicode( sc->unicodeenc,sf )); -} - - -SplineChar **SFGlyphsFromNames(SplineFont *sf,char *names) { - int cnt, ch; - char *pt, *end; - SplineChar *sc, **glyphs; - - cnt = 0; - for ( pt = names; *pt; pt = end+1 ) { - ++cnt; - end = strchr(pt,' '); - if ( end==NULL ) - break; - } - - glyphs = galloc((cnt+1)*sizeof(SplineChar *)); - cnt = 0; - for ( pt = names; *pt; pt = end+1 ) { - end = strchr(pt,' '); - if ( end==NULL ) - end = pt+strlen(pt); - ch = *end; - *end = '\0'; - sc = SFGetChar(sf,-1,pt); - if ( sc!=NULL && sc->ttf_glyph!=-1 ) - glyphs[cnt++] = sc; - *end = ch; - if ( ch=='\0' ) - break; - } - glyphs[cnt] = NULL; -return( glyphs ); -} - - -static int glyphnameinlist(char *haystack,char *name) { - char *start, *pt; - int ch, match, slen = strlen(name); - - for ( pt=haystack ; ; ) { - while ( *pt==' ' ) ++pt; - if ( *pt=='\0' ) -return( false ); - start=pt; - while ( *pt!=' ' && *pt!='\0' ) ++pt; - if ( pt-start==slen ) { - ch = *pt; *pt='\0'; - match = strcmp(start,name); - *pt = ch; - if ( match==0 ) -return( true ); - } - } -} - -static int ReferencedByGSUB(SplineChar *sc) { - PST *pst; - SplineFont *sf = sc->parent; - int gid; - SplineChar *testsc; - char *name = sc->name; - - /* If it is itself a ligature it will be referenced by GSUB */ - /* (because we store ligatures on the glyph generated) */ - for ( pst=sc->possub; pst!=NULL; pst=pst->next ) - if ( pst->type == pst_ligature ) -return( true ); - - for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( (testsc=sf->glyphs[gid])!=NULL ) { - for ( pst=testsc->possub; pst!=NULL; pst=pst->next ) { - if ( pst->type==pst_substitution || pst->type==pst_alternate || - pst->type==pst_multiple ) { - if ( glyphnameinlist(pst->u.mult.components,name) ) -return( true ); - } - } - } -return( false ); -} - -int gdefclass(SplineChar *sc) { - PST *pst; - AnchorPoint *ap; - - if ( sc->glyph_class!=0 ) -return( sc->glyph_class-1 ); - - if ( strcmp(sc->name,".notdef")==0 ) -return( 0 ); - - /* It isn't clear to me what should be done if a glyph is both a ligature */ - /* and a mark (There are some greek accent ligatures, it is probably more*/ - /* important that they be indicated as marks). Here I chose mark rather */ - /* than ligature as the mark class is far more likely to be used */ - ap=sc->anchor; - while ( ap!=NULL && (ap->type==at_centry || ap->type==at_cexit) ) - ap = ap->next; - if ( ap!=NULL && (ap->type==at_mark || ap->type==at_basemark) ) -return( 3 ); - - for ( pst=sc->possub; pst!=NULL; pst=pst->next ) { - if ( pst->type == pst_ligature ) -return( 2 ); /* Ligature */ - } - - /* I not quite sure what a componant glyph is. Probably something */ - /* that is not in the cmap table and is referenced in other glyphs */ - /* (I've never seen it used by others) */ - /* (Note: No glyph in a CID font can be components as all CIDs mean */ - /* something) (I think) */ - if ( sc->unicodeenc==-1 && sc->dependents!=NULL && - sc->parent->cidmaster!=NULL && !ReferencedByGSUB(sc)) -return( 4 ); - else -return( 1 ); -} - |