/// <exception cref="System.IO.IOException"/>
protected internal virtual void ReadFormat(int subTableLocation)
{
int coverage = openReader.rf.ReadUnsignedShort() + subTableLocation;
int valueFormat1 = openReader.rf.ReadUnsignedShort();
int valueFormat2 = openReader.rf.ReadUnsignedShort();
int pairSetCount = openReader.rf.ReadUnsignedShort();
int[] locationRule = openReader.ReadUShortArray(pairSetCount, subTableLocation);
IList <int> coverageList = openReader.ReadCoverageFormat(coverage);
for (int k = 0; k < pairSetCount; ++k)
{
openReader.rf.Seek(locationRule[k]);
IDictionary <int, GposLookupType2.PairValueFormat> pairs = new Dictionary <int, GposLookupType2.PairValueFormat
>();
gposMap.Put(coverageList[k], pairs);
int pairValueCount = openReader.rf.ReadUnsignedShort();
for (int j = 0; j < pairValueCount; ++j)
{
int glyph2 = openReader.rf.ReadUnsignedShort();
GposLookupType2.PairValueFormat pair = new GposLookupType2.PairValueFormat();
pair.first = OtfReadCommon.ReadGposValueRecord(openReader, valueFormat1);
pair.second = OtfReadCommon.ReadGposValueRecord(openReader, valueFormat2);
pairs.Put(glyph2, pair);
}
}
}
public override bool TransformOne(GlyphLine line)
{
if (line.idx >= line.end || line.idx < line.start)
{
return(false);
}
bool changed = false;
Glyph g1 = line.Get(line.idx);
IDictionary <int, GposLookupType2.PairValueFormat> m = gposMap.Get(g1.GetCode());
if (m != null)
{
OpenTableLookup.GlyphIndexer gi = new OpenTableLookup.GlyphIndexer();
gi.line = line;
gi.idx = line.idx;
gi.NextGlyph(openReader, lookupFlag);
if (gi.glyph != null)
{
GposLookupType2.PairValueFormat pv = m.Get(gi.glyph.GetCode());
if (pv != null)
{
Glyph g2 = gi.glyph;
line.Set(line.idx, new Glyph(g1, 0, 0, pv.first.XAdvance, pv.first.YAdvance, 0));
line.Set(gi.idx, new Glyph(g2, 0, 0, pv.second.XAdvance, pv.second.YAdvance, 0));
line.idx = gi.idx;
changed = true;
}
}
}
return(changed);
}
public override bool TransformOne(GlyphLine line)
{
if (line.idx >= line.end || line.idx < line.start)
{
return(false);
}
Glyph g1 = line.Get(line.idx);
if (!coverageSet.Contains(g1.GetCode()))
{
return(false);
}
int c1 = classDef1.GetOtfClass(g1.GetCode());
GposLookupType2.PairValueFormat[] pvs = posSubs.Get(c1);
if (pvs == null)
{
return(false);
}
OpenTableLookup.GlyphIndexer gi = new OpenTableLookup.GlyphIndexer();
gi.line = line;
gi.idx = line.idx;
gi.NextGlyph(openReader, lookupFlag);
if (gi.glyph == null)
{
return(false);
}
Glyph g2 = gi.glyph;
int c2 = classDef2.GetOtfClass(g2.GetCode());
if (c2 >= pvs.Length)
{
return(false);
}
GposLookupType2.PairValueFormat pv = pvs[c2];
line.Set(line.idx, new Glyph(g1, 0, 0, pv.first.XAdvance, pv.first.YAdvance, 0));
line.Set(gi.idx, new Glyph(g2, 0, 0, pv.second.XAdvance, pv.second.YAdvance, 0));
line.idx = gi.idx;
return(true);
}