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Uncomment GPOS parts. 

Thu Mar 14 23:05:18 2002  Owen Taylor  <otaylor@redhat.com>

        * pango/opentype/ftxopen.c: Uncomment GPOS parts.

        * pango/opentype/disasm.c: Start adding some GPOS
        dumping.
This commit is contained in:
Owen Taylor 2002-03-15 04:22:14 +00:00 committed by Owen Taylor
parent 973bd60a25
commit 6050933f33
2 changed files with 154 additions and 12 deletions
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146
src/disasm.c
View File

@ -35,6 +35,7 @@
#define DEF_DUMP(type) static void Dump_ ## type (TTO_ ## type *type, FILE *stream, int indent, FT_Bool is_gsub)
#define RECURSE(name, type, val) do { DUMP ("<" #name ">\n"); Dump_ ## type (val, stream, indent + 1, is_gsub); DUMP ("</" #name ">\n"); } while (0)
#define DUMP_VALUE_RECORD(val, frmt) do { DUMP ("<ValueRecord>\n"); Dump_ValueRecord (val, stream, indent + 1, is_gsub, frmt); DUMP ("</ValueRecord>\n"); } while (0)
static void
do_indent (FILE *stream, int indent)
@ -215,6 +216,149 @@ Dump_GSUB_Lookup_Ligature (TTO_SubTable *subtable, FILE *stream, int indent, FT_
RECURSE (LigatureSet, LigatureSet, &LigatureSubst->LigatureSet[i]);
}
static void
Dump_Device (TTO_Device *Device, FILE *stream, int indent, FT_Bool is_gsub)
{
int i;
int bits = 0;
int n_per;
unsigned int mask;
DUMP_FUINT (Device, StartSize);
DUMP_FUINT (Device, EndSize);
DUMP_FUINT (Device, DeltaFormat);
switch (Device->DeltaFormat)
{
case 1:
bits = 2;
break;
case 2:
bits = 4;
break;
case 3:
bits = 8;
break;
}
n_per = 16 / bits;
mask = (1 << bits) - 1;
mask = mask << (16 - bits);
DUMP ("<DeltaValue>");
for (i = Device->StartSize; i <= Device->EndSize ; i++)
{
FT_UShort val = Device->DeltaValue[i / n_per];
FT_Short signed_val = ((val << ((i % n_per) * bits)) & mask);
dump (stream, indent, "%d", signed_val >> (16 - bits));
if (i != Device->EndSize)
DUMP (", ");
}
DUMP ("</DeltaValue>\n");
}
static void
Dump_ValueRecord (TTO_ValueRecord *ValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort value_format)
{
if (value_format & HAVE_X_PLACEMENT)
DUMP_FINT (ValueRecord, XPlacement);
if (value_format & HAVE_Y_PLACEMENT)
DUMP_FINT (ValueRecord, YPlacement);
if (value_format & HAVE_X_ADVANCE)
DUMP_FINT (ValueRecord, XAdvance);
if (value_format & HAVE_Y_ADVANCE)
DUMP_FINT (ValueRecord, XAdvance);
if (value_format & HAVE_X_PLACEMENT_DEVICE)
RECURSE (Device, Device, &ValueRecord->XPlacementDevice);
if (value_format & HAVE_Y_PLACEMENT_DEVICE)
RECURSE (Device, Device, &ValueRecord->YPlacementDevice);
if (value_format & HAVE_X_ADVANCE_DEVICE)
RECURSE (Device, Device, &ValueRecord->XAdvanceDevice);
if (value_format & HAVE_Y_ADVANCE_DEVICE)
RECURSE (Device, Device, &ValueRecord->YAdvanceDevice);
if (value_format & HAVE_X_ID_PLACEMENT)
DUMP_FUINT (ValueRecord, XIdPlacement);
if (value_format & HAVE_Y_ID_PLACEMENT)
DUMP_FUINT (ValueRecord, YIdPlacement);
if (value_format & HAVE_X_ID_ADVANCE)
DUMP_FUINT (ValueRecord, XIdAdvance);
if (value_format & HAVE_Y_ID_ADVANCE)
DUMP_FUINT (ValueRecord, XIdAdvance);
}
static void
Dump_GPOS_Lookup_Single (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
TTO_SinglePos *SinglePos = &subtable->st.gpos.single;
DUMP_FUINT (SinglePos, PosFormat);
RECURSE (Coverage, Coverage, &SinglePos->Coverage);
DUMP_FUINT (SinglePos, ValueFormat);
if (SinglePos->PosFormat == 1)
{
DUMP_VALUE_RECORD (&SinglePos->spf.spf1.Value, SinglePos->ValueFormat);
}
else
{
int i;
DUMP_FUINT (&SinglePos->spf.spf2, ValueCount);
for (i = 0; i < SinglePos->spf.spf2.ValueCount; i++)
DUMP_VALUE_RECORD (&SinglePos->spf.spf2.Value[i], SinglePos->ValueFormat);
}
}
static void
Dump_PairValueRecord (TTO_PairValueRecord *PairValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
{
DUMP_FUINT (PairValueRecord, SecondGlyph);
DUMP_VALUE_RECORD (&PairValueRecord->Value1, ValueFormat1);
DUMP_VALUE_RECORD (&PairValueRecord->Value2, ValueFormat2);
}
static void
Dump_PairSet (TTO_PairSet *PairSet, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
{
int i;
DUMP_FUINT (PairSet, PairValueCount);
for (i = 0; i < PairSet->PairValueCount; i++)
{
DUMP ("<PairValueRecord>\n");
Dump_PairValueRecord (&PairSet->PairValueRecord[i], stream, indent + 1, is_gsub, ValueFormat1, ValueFormat2);
DUMP ("</PairValueRecord>\n");
}
}
static void
Dump_GPOS_Lookup_Pair (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
TTO_PairPos *PairPos = &subtable->st.gpos.pair;
DUMP_FUINT (PairPos, PosFormat);
RECURSE (Coverage, Coverage, &PairPos->Coverage);
DUMP_FUINT (PairPos, ValueFormat1);
DUMP_FUINT (PairPos, ValueFormat2);
if (PairPos->PosFormat == 1)
{
int i;
DUMP_FUINT (&PairPos->ppf.ppf1, PairSetCount);
for (i = 0; i < PairPos->ppf.ppf1.PairSetCount; i++)
{
DUMP ("<PairSet>\n");
Dump_PairSet (&PairPos->ppf.ppf1.PairSet[i], stream, indent + 1, is_gsub, PairPos->ValueFormat1, PairPos->ValueFormat2);
DUMP ("</PairSet>\n");
}
}
else
{
}
}
DEF_DUMP (Lookup)
{
int i;
@ -253,9 +397,11 @@ DEF_DUMP (Lookup)
{
case GPOS_LOOKUP_SINGLE:
lookup_name = "SINGLE";
lookup_func = Dump_GPOS_Lookup_Single;
break;
case GPOS_LOOKUP_PAIR:
lookup_name = "PAIR";
lookup_func = Dump_GPOS_Lookup_Pair;
break;
case GPOS_LOOKUP_CURSIVE:
lookup_name = "CURSIVE";

20
src/ftxopen.c
View File

@ -454,7 +454,6 @@
else
switch ( lookup_type )
{
#if 0
case GPOS_LOOKUP_SINGLE:
return Load_SinglePos( &st->st.gpos.single, stream );
@ -479,7 +478,6 @@
case GPOS_LOOKUP_CHAIN:
return Load_ChainContextPos( &st->st.gpos.chain, stream );
#endif
default:
return TTO_Err_Invalid_GPOS_SubTable_Format;
}
@ -523,39 +521,37 @@
else
switch ( lookup_type )
{
#if 0
case GPOS_LOOKUP_SINGLE:
Free_SinglePos( &st->st.gpos.single );
Free_SinglePos( &st->st.gpos.single, memory );
break;
case GPOS_LOOKUP_PAIR:
Free_PairPos( &st->st.gpos.pair );
Free_PairPos( &st->st.gpos.pair, memory );
break;
case GPOS_LOOKUP_CURSIVE:
Free_CursivePos( &st->st.gpos.cursive );
Free_CursivePos( &st->st.gpos.cursive, memory );
break;
case GPOS_LOOKUP_MARKBASE:
Free_MarkBasePos( &st->st.gpos.markbase );
Free_MarkBasePos( &st->st.gpos.markbase, memory );
break;
case GPOS_LOOKUP_MARKLIG:
Free_MarkLigPos( &st->st.gpos.marklig );
Free_MarkLigPos( &st->st.gpos.marklig, memory );
break;
case GPOS_LOOKUP_MARKMARK:
Free_MarkMarkPos( &st->st.gpos.markmark );
Free_MarkMarkPos( &st->st.gpos.markmark, memory );
break;
case GPOS_LOOKUP_CONTEXT:
Free_ContextPos( &st->st.gpos.context );
Free_ContextPos( &st->st.gpos.context, memory );
break;
case GPOS_LOOKUP_CHAIN:
Free_ChainContextPos ( &st->st.gpos.chain );
Free_ChainContextPos ( &st->st.gpos.chain, memory );
break;
#endif
}
}