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* disasm.c: Dump OpenType layout tables
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* Copyright (C) 2000 Red Hat Software
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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#define G_HAVE_GNUC_VARARGS
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#ifdef G_HAVE_ISO_VARARGS
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#define DUMP(...) dump (stream, indent, __VA_ARGS__)
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#elif defined (G_HAVE_GNUC_VARARGS)
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#define DUMP(args...) dump (stream, indent, args)
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#define DUMP_FINT(strct,fld) dump (stream, indent, "<" #fld ">%d</" #fld ">\n", (strct)->fld)
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#define DUMP_FUINT(strct,fld) dump (stream, indent, "<" #fld ">%u</" #fld ">\n", (strct)->fld)
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#define DUMP_FGLYPH(strct,fld) dump (stream, indent, "<" #fld ">%#4x</" #fld ">\n", (strct)->fld)
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#define DEF_DUMP(type) static void Dump_ ## type (TTO_ ## type *type, FILE *stream, int indent, FT_Bool is_gsub)
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#define RECURSE(name, type, val) do { DUMP ("<" #name ">\n"); Dump_ ## type (val, stream, indent + 1, is_gsub); DUMP ("</" #name ">\n"); } while (0)
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#define RECURSE_NUM(name, i, type, val) do { DUMP ("<" #name "> <!-- %d -->\n", i); Dump_ ## type (val, stream, indent + 1, is_gsub); DUMP ("</" #name ">\n"); } while (0)
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#define DUMP_VALUE_RECORD(val, frmt) do { DUMP ("<ValueRecord>\n"); Dump_ValueRecord (val, stream, indent + 1, is_gsub, frmt); DUMP ("</ValueRecord>\n"); } while (0)
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do_indent (FILE *stream, int indent)
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for (i = 0; i < indent * 3; i++)
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dump (FILE *stream, int indent, const char *format, ...)
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do_indent (stream, indent);
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va_start (list, format);
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vfprintf (stream, format, list);
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Print_Tag (FT_ULong tag, FILE *stream)
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fprintf (stream, "%c%c%c%c",
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(unsigned char)(tag >> 24),
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(unsigned char)((tag & 0xff0000) >> 16),
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(unsigned char)((tag & 0xff00) >> 8),
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(unsigned char)(tag & 0xff));
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DUMP_FUINT (LangSys, LookupOrderOffset);
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DUMP_FUINT (LangSys, ReqFeatureIndex);
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DUMP_FUINT (LangSys, FeatureCount);
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for (i=0; i < LangSys->FeatureCount; i++)
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DUMP("<FeatureIndex>%d</FeatureIndex>\n", LangSys->FeatureIndex[i]);
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RECURSE (DefaultLangSys, LangSys, &Script->DefaultLangSys);
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DUMP_FUINT (Script, LangSysCount);
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for (i=0; i < Script->LangSysCount; i++)
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do_indent (stream, indent);
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fprintf (stream, "<LangSysTag>");
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Print_Tag (Script->LangSysRecord[i].LangSysTag, stream);
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fprintf (stream, "</LangSysTag>\n");
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RECURSE_NUM (LangSys, i, LangSys, &Script->LangSysRecord[i].LangSys);
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DEF_DUMP (ScriptList)
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DUMP_FUINT (ScriptList, ScriptCount);
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for (i=0; i < ScriptList->ScriptCount; i++)
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do_indent (stream, indent);
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fprintf (stream, "<ScriptTag>");
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Print_Tag (ScriptList->ScriptRecord[i].ScriptTag, stream);
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fprintf (stream, "</ScriptTag>\n");
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RECURSE_NUM (Script, i, Script, &ScriptList->ScriptRecord[i].Script);
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DUMP_FUINT (Feature, FeatureParams);
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DUMP_FUINT (Feature, LookupListCount);
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for (i=0; i < Feature->LookupListCount; i++)
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DUMP("<LookupIndex>%d</LookupIndex>\n", Feature->LookupListIndex[i]);
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DUMP_FUINT (MarkArray, MarkCount);
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for (i=0; i < MarkArray->MarkCount; i++) {
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TTO_MarkRecord *r = &MarkArray->MarkRecord[i];
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DUMP("<MarkRecord> <!-- %d -->\n", i);
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DUMP(" <Class>%d</Class>\n", r->Class );
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DUMP(" <Anchor>%d</Anchor>\n", r->MarkAnchor.PosFormat );
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DUMP("</MarkRecord>\n");
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DEF_DUMP (FeatureList)
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DUMP_FUINT (FeatureList, FeatureCount);
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for (i=0; i < FeatureList->FeatureCount; i++)
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do_indent (stream, indent);
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fprintf (stream, "<FeatureTag %d>", i);
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Print_Tag (FeatureList->FeatureRecord[i].FeatureTag, stream);
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fprintf (stream, "</FeatureTag>\n");
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RECURSE_NUM (Feature, i, Feature, &FeatureList->FeatureRecord[i].Feature);
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DUMP_FUINT (Coverage, CoverageFormat);
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if (Coverage->CoverageFormat == 1) {
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DUMP_FUINT (&Coverage->cf.cf1, GlyphCount);
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for (i = 0; i < Coverage->cf.cf1.GlyphCount; i++)
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DUMP("<Glyph>%#4x</Glyph> <!-- %d -->\n", Coverage->cf.cf1.GlyphArray[i], i);
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TTO_CoverageFormat2 *cf2 = &Coverage->cf.cf2;
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for ( i = 0; i < cf2->RangeCount; i++ ) {
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DUMP("<Glyph>%4x - %4x</Glyph>\n", cf2->RangeRecord[i].Start, cf2->RangeRecord[i].End );
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DEF_DUMP (ClassDefinition)
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DUMP_FUINT( ClassDefinition, ClassFormat );
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DUMP_FUINT( ClassDefinition, loaded );
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if (ClassDefinition->ClassFormat == 1) {
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TTO_ClassDefFormat1 *ClassDefFormat1 = &ClassDefinition->cd.cd1;
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DUMP("<ClassDefinition>\n");
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DUMP_FUINT( ClassDefFormat1, StartGlyph );
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DUMP_FUINT( ClassDefFormat1, GlyphCount );
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for ( i = 0; i < ClassDefFormat1->GlyphCount; i++ ) {
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DUMP(" <Class>%d</Class> <!-- %x -->", ClassDefFormat1->ClassValueArray[i],
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ClassDefFormat1->StartGlyph+i );
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else if (ClassDefinition->ClassFormat == 2) {
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TTO_ClassDefFormat2 *ClassDefFormat2 = &ClassDefinition->cd.cd2;
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DUMP_FUINT (ClassDefFormat2, ClassRangeCount);
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for (i = 0; i < ClassDefFormat2->ClassRangeCount; i++) {
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DUMP("<ClassRangeRecord> <!-- %d -->\n", i);
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DUMP(" <Start>%#4x</Start> \n", ClassDefFormat2->ClassRangeRecord[i].Start);
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DUMP(" <End>%#4x</End>\n", ClassDefFormat2->ClassRangeRecord[i].End);
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DUMP(" <Class>%#4x</Class>\n", ClassDefFormat2->ClassRangeRecord[i].Class);
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DUMP("</ClassRangeRecord>\n");
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printf("invalid class def table!!!\n");
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DEF_DUMP (ChainSubClassSet)
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DUMP("<ChainSubClassSet>\n");
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DUMP_FUINT( ChainSubClassSet, ChainSubClassRuleCount );
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for ( i = 0; i < ChainSubClassSet->ChainSubClassRuleCount; i++ ) {
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TTO_ChainSubClassRule *rule = &ChainSubClassSet->ChainSubClassRule[i];
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DUMP("<ChainSubClassRule> <!-- %d -->\n", i );
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DUMP("<Backtrack> <!-- %d -->\n", rule->BacktrackGlyphCount );
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for ( j = 0; j < rule->BacktrackGlyphCount; j++ )
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DUMP(" %d\n", (int)(FT_UShort) rule->Backtrack[j] );
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DUMP("</Backtrack>\n");
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DUMP("<Input> <!-- %d -->\n", rule->InputGlyphCount );
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for ( j = 0; j < rule->InputGlyphCount-1; j++ )
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DUMP(" %d\n", (int)(FT_UShort) rule->Input[j] );
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DUMP("<Lookahead> <!-- %d -->\n", rule->LookaheadGlyphCount );
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for ( j = 0; j < rule->LookaheadGlyphCount; j++ )
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DUMP(" %d\n", (int) (FT_UShort) rule->Lookahead[j] );
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DUMP("</Lookahead>\n");
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for ( j = 0; j < rule->SubstCount; j++ ) {
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TTO_SubstLookupRecord *r = &rule->SubstLookupRecord[j];
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DUMP("<SubstLookupRecord> <!-- %d -->\n", j);
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DUMP_FUINT( r, SequenceIndex );
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DUMP_FUINT( r, LookupListIndex );
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DUMP("</SubstLookupRecord>\n");
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DUMP("</ChainSubClassRule>\n");
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DUMP("</ChainSubClassSet>\n");
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Dump_GSUB_Lookup_Single (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_SingleSubst *SingleSubst = &subtable->st.gsub.single;
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DUMP_FUINT (SingleSubst, SubstFormat);
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RECURSE (Coverage, Coverage, &SingleSubst->Coverage);
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if (SingleSubst->SubstFormat == 1)
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DUMP_FINT (&SingleSubst->ssf.ssf1, DeltaGlyphID);
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DUMP_FINT (&SingleSubst->ssf.ssf2, GlyphCount);
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for (i=0; i < SingleSubst->ssf.ssf2.GlyphCount; i++)
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DUMP("<Substitute>%#4x</Substitute> <!-- %d -->\n", SingleSubst->ssf.ssf2.Substitute[i], i);
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DUMP_FGLYPH (Ligature, LigGlyph);
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DUMP_FUINT (Ligature, ComponentCount);
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for (i=0; i < Ligature->ComponentCount - 1; i++)
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DUMP("<Component>%#4x</Component>\n", Ligature->Component[i]);
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DEF_DUMP (LigatureSet)
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DUMP_FUINT (LigatureSet, LigatureCount);
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for (i=0; i < LigatureSet->LigatureCount; i++)
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RECURSE_NUM (Ligature, i, Ligature, &LigatureSet->Ligature[i]);
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Dump_GSUB_Lookup_Ligature (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_LigatureSubst *LigatureSubst = &subtable->st.gsub.ligature;
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DUMP_FUINT (LigatureSubst, SubstFormat);
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RECURSE (Coverage, Coverage, &LigatureSubst->Coverage);
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DUMP_FUINT (LigatureSubst, LigatureSetCount);
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for (i=0; i < LigatureSubst->LigatureSetCount; i++)
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RECURSE_NUM (LigatureSet, i, LigatureSet, &LigatureSubst->LigatureSet[i]);
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Dump_GSUB_Lookup_ContextSubst1 (TTO_ContextSubstFormat1 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP("Not implemented!!!\n");
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Dump_GSUB_Lookup_ContextSubst2 (TTO_ContextSubstFormat2 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP_FUINT( csf, MaxContextLength );
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RECURSE (Coverage, Coverage, &csf->Coverage);
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RECURSE( ClassDefinition, ClassDefinition, &csf->ClassDef );
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Dump_GSUB_Lookup_ContextSubst3 (TTO_ContextSubstFormat3 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP("Not implemented!!!\n");
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Dump_GSUB_Lookup_Context (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_ContextSubst *ContextSubst = &subtable->st.gsub.context;
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DUMP_FUINT (ContextSubst, SubstFormat);
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switch( ContextSubst->SubstFormat ) {
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Dump_GSUB_Lookup_ContextSubst1 (&ContextSubst->csf.csf1, stream, indent+2, is_gsub);
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Dump_GSUB_Lookup_ContextSubst2 (&ContextSubst->csf.csf2, stream, indent+2, is_gsub);
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Dump_GSUB_Lookup_ContextSubst3 (&ContextSubst->csf.csf3, stream, indent+2, is_gsub);
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printf("invalid subformat!!!!!\n");
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Dump_GSUB_Lookup_ChainSubst1 (TTO_ChainContextSubstFormat1 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP("Not implemented!!!\n");
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Dump_GSUB_Lookup_ChainSubst2 (TTO_ChainContextSubstFormat2 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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RECURSE (Coverage, Coverage, &csf->Coverage);
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DUMP_FUINT( csf, MaxBacktrackLength );
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RECURSE( ClassDefinition, ClassDefinition, &csf->BacktrackClassDef );
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DUMP_FUINT( csf, MaxInputLength );
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RECURSE( ClassDefinition, ClassDefinition, &csf->InputClassDef );
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DUMP_FUINT( csf, MaxLookaheadLength );
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RECURSE( ClassDefinition, ClassDefinition, &csf->LookaheadClassDef );
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DUMP_FUINT( csf, ChainSubClassSetCount );
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for ( i = 0; i < csf->ChainSubClassSetCount; i++ )
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RECURSE( ChainSubClassSet, ChainSubClassSet, &csf->ChainSubClassSet[i] );
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Dump_GSUB_Lookup_ChainSubst3 (TTO_ChainContextSubstFormat3 *csf, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP("Not implemented!!!\n");
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Dump_GSUB_Lookup_Chain (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_ChainContextSubst *chain = &subtable->st.gsub.chain;
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DUMP_FUINT (chain, SubstFormat);
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switch( chain->SubstFormat ) {
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Dump_GSUB_Lookup_ChainSubst1 (&chain->ccsf.ccsf1, stream, indent+2, is_gsub);
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Dump_GSUB_Lookup_ChainSubst2 (&chain->ccsf.ccsf2, stream, indent+2, is_gsub);
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Dump_GSUB_Lookup_ChainSubst3 (&chain->ccsf.ccsf3, stream, indent+2, is_gsub);
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printf("invalid subformat!!!!!\n");
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Dump_Device (TTO_Device *Device, FILE *stream, int indent, FT_Bool is_gsub)
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DUMP_FUINT (Device, StartSize);
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DUMP_FUINT (Device, EndSize);
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DUMP_FUINT (Device, DeltaFormat);
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switch (Device->DeltaFormat)
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mask = (1 << bits) - 1;
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mask = mask << (16 - bits);
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DUMP ("<DeltaValue>");
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for (i = Device->StartSize; i <= Device->EndSize ; i++)
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FT_UShort val = Device->DeltaValue[i / n_per];
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FT_Short signed_val = ((val << ((i % n_per) * bits)) & mask);
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dump (stream, indent, "%d", signed_val >> (16 - bits));
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if (i != Device->EndSize)
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DUMP ("</DeltaValue>\n");
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Dump_ValueRecord (TTO_ValueRecord *ValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort value_format)
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if (value_format & HAVE_X_PLACEMENT)
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DUMP_FINT (ValueRecord, XPlacement);
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if (value_format & HAVE_Y_PLACEMENT)
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DUMP_FINT (ValueRecord, YPlacement);
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if (value_format & HAVE_X_ADVANCE)
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DUMP_FINT (ValueRecord, XAdvance);
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if (value_format & HAVE_Y_ADVANCE)
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DUMP_FINT (ValueRecord, XAdvance);
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if (value_format & HAVE_X_PLACEMENT_DEVICE)
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RECURSE (Device, Device, &ValueRecord->XPlacementDevice);
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if (value_format & HAVE_Y_PLACEMENT_DEVICE)
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RECURSE (Device, Device, &ValueRecord->YPlacementDevice);
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if (value_format & HAVE_X_ADVANCE_DEVICE)
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RECURSE (Device, Device, &ValueRecord->XAdvanceDevice);
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if (value_format & HAVE_Y_ADVANCE_DEVICE)
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RECURSE (Device, Device, &ValueRecord->YAdvanceDevice);
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if (value_format & HAVE_X_ID_PLACEMENT)
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DUMP_FUINT (ValueRecord, XIdPlacement);
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if (value_format & HAVE_Y_ID_PLACEMENT)
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DUMP_FUINT (ValueRecord, YIdPlacement);
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if (value_format & HAVE_X_ID_ADVANCE)
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DUMP_FUINT (ValueRecord, XIdAdvance);
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if (value_format & HAVE_Y_ID_ADVANCE)
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DUMP_FUINT (ValueRecord, XIdAdvance);
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Dump_GPOS_Lookup_Single (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_SinglePos *SinglePos = &subtable->st.gpos.single;
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DUMP_FUINT (SinglePos, PosFormat);
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RECURSE (Coverage, Coverage, &SinglePos->Coverage);
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DUMP_FUINT (SinglePos, ValueFormat);
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if (SinglePos->PosFormat == 1)
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DUMP_VALUE_RECORD (&SinglePos->spf.spf1.Value, SinglePos->ValueFormat);
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DUMP_FUINT (&SinglePos->spf.spf2, ValueCount);
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for (i = 0; i < SinglePos->spf.spf2.ValueCount; i++)
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DUMP_VALUE_RECORD (&SinglePos->spf.spf2.Value[i], SinglePos->ValueFormat);
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Dump_PairValueRecord (TTO_PairValueRecord *PairValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
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DUMP_FUINT (PairValueRecord, SecondGlyph);
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DUMP_VALUE_RECORD (&PairValueRecord->Value1, ValueFormat1);
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DUMP_VALUE_RECORD (&PairValueRecord->Value2, ValueFormat2);
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Dump_PairSet (TTO_PairSet *PairSet, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
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DUMP_FUINT (PairSet, PairValueCount);
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for (i = 0; i < PairSet->PairValueCount; i++)
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DUMP ("<PairValueRecord>\n");
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Dump_PairValueRecord (&PairSet->PairValueRecord[i], stream, indent + 1, is_gsub, ValueFormat1, ValueFormat2);
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DUMP ("</PairValueRecord>\n");
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Dump_GPOS_Lookup_Pair (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_PairPos *PairPos = &subtable->st.gpos.pair;
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DUMP_FUINT (PairPos, PosFormat);
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RECURSE (Coverage, Coverage, &PairPos->Coverage);
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DUMP_FUINT (PairPos, ValueFormat1);
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DUMP_FUINT (PairPos, ValueFormat2);
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if (PairPos->PosFormat == 1)
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DUMP_FUINT (&PairPos->ppf.ppf1, PairSetCount);
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for (i = 0; i < PairPos->ppf.ppf1.PairSetCount; i++)
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DUMP ("<PairSet>\n");
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Dump_PairSet (&PairPos->ppf.ppf1.PairSet[i], stream, indent + 1, is_gsub, PairPos->ValueFormat1, PairPos->ValueFormat2);
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DUMP ("</PairSet>\n");
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Dump_GPOS_Lookup_Markbase (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
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TTO_MarkBasePos *markbase = &subtable->st.gpos.markbase;
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DUMP_FUINT( markbase, PosFormat );
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RECURSE( Coverage, Coverage, &markbase->MarkCoverage );
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RECURSE( Coverage, Coverage, &markbase->BaseCoverage );
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DUMP_FUINT( markbase, ClassCount );
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RECURSE( MarkArray, MarkArray, &markbase->MarkArray );
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DUMP("<BaseArray>\n");
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for ( i = 0; i < markbase->BaseArray.BaseCount; i++ ) {
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TTO_BaseRecord *r = &markbase->BaseArray.BaseRecord[i];
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DUMP("<BaseRecord> <!-- %d -->\n", i);
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for ( j = 0; j < markbase->ClassCount; j++ ) {
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DUMP(" <Anchor>%d</Anchor>\n", r->BaseAnchor->PosFormat );
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DUMP("<BaseRecord>\n" );
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DUMP("</BaseArray>\n");
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const char *lookup_name = NULL;
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void (*lookup_func) (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub) = NULL;
583
switch (Lookup->LookupType)
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case GSUB_LOOKUP_SINGLE:
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lookup_name = "SINGLE";
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lookup_func = Dump_GSUB_Lookup_Single;
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case GSUB_LOOKUP_MULTIPLE:
590
lookup_name = "MULTIPLE";
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case GSUB_LOOKUP_ALTERNATE:
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lookup_name = "ALTERNATE";
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case GSUB_LOOKUP_LIGATURE:
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lookup_name = "LIGATURE";
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lookup_func = Dump_GSUB_Lookup_Ligature;
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case GSUB_LOOKUP_CONTEXT:
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lookup_name = "CONTEXT";
601
lookup_func = Dump_GSUB_Lookup_Context;
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case GSUB_LOOKUP_CHAIN:
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lookup_name = "CHAIN";
605
lookup_func = Dump_GSUB_Lookup_Chain;
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switch (Lookup->LookupType)
613
case GPOS_LOOKUP_SINGLE:
614
lookup_name = "SINGLE";
615
lookup_func = Dump_GPOS_Lookup_Single;
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case GPOS_LOOKUP_PAIR:
618
lookup_name = "PAIR";
619
lookup_func = Dump_GPOS_Lookup_Pair;
621
case GPOS_LOOKUP_CURSIVE:
622
lookup_name = "CURSIVE";
624
case GPOS_LOOKUP_MARKBASE:
625
lookup_name = "MARKBASE";
626
lookup_func = Dump_GPOS_Lookup_Markbase;
628
case GPOS_LOOKUP_MARKLIG:
629
lookup_name = "MARKLIG";
631
case GPOS_LOOKUP_MARKMARK:
632
lookup_name = "MARKMARK";
633
lookup_func = Dump_GPOS_Lookup_Markbase;
635
case GPOS_LOOKUP_CONTEXT:
636
lookup_name = "CONTEXT";
638
case GPOS_LOOKUP_CHAIN:
639
lookup_name = "CHAIN";
644
DUMP("<LookupType>%s</LookupType>\n", lookup_name);
646
for (i=0; i < Lookup->SubTableCount; i++)
648
DUMP ("<Subtable>\n");
650
(*lookup_func) (&Lookup->SubTable[i], stream, indent + 1, is_gsub);
651
DUMP ("</Subtable>\n");
655
DEF_DUMP (LookupList)
659
DUMP_FUINT (LookupList, LookupCount);
661
for (i=0; i < LookupList->LookupCount; i++)
662
RECURSE_NUM (Lookup, i, Lookup, &LookupList->Lookup[i]);
666
TT_Dump_GSUB_Table (TTO_GSUB gsub, FILE *stream)
671
RECURSE (ScriptList, ScriptList, &gsub->ScriptList);
672
RECURSE (FeatureList, FeatureList, &gsub->FeatureList);
673
RECURSE (LookupList, LookupList, &gsub->LookupList);
677
TT_Dump_GPOS_Table (TTO_GPOS gpos, FILE *stream)
682
RECURSE (ScriptList, ScriptList, &gpos->ScriptList);
683
RECURSE (FeatureList, FeatureList, &gpos->FeatureList);
684
RECURSE (LookupList, LookupList, &gpos->LookupList);