private IGlyphTransformationTable ParseMarkToMarkPositioningTable(int subTableOffset, dynamic fontTable, LookupFlags lookupFlags)
{
var type = typeof(GlyphTypeface).Assembly.GetType("MS.Internal.Shaping.MarkToMarkPositioningSubtable");
dynamic table = new AccessPrivateWrapper(type.Instantiate(subTableOffset));
ushort format = table.Format(fontTable.Wrapped);
if (format != 1)
{
throw new UnknownTableFormatException(type, format);
}
dynamic mark1ArrayTable = new AccessPrivateWrapper(table.Mark1Array(fontTable.Wrapped));
dynamic base2ArrayTable = new AccessPrivateWrapper(table.Marks2(fontTable.Wrapped));
// MarkToMark is functionally identical to MarkToBase -> compiler can treat MTM as MTB
return(new MarkToBasePositioningTable
{
MarkCoverage = (ICoverageTable)this.ParseCoverageTable(fontTable, new AccessPrivateWrapper(table.Mark1Coverage(fontTable.Wrapped))),
BaseCoverage = (ICoverageTable)this.ParseCoverageTable(fontTable, new AccessPrivateWrapper(table.Mark2Coverage(fontTable.Wrapped))),
MarkAnchorPoints = this.GetEnumerableFromInternalList(
() => fontTable.GetUShort(mark1ArrayTable.offset),
i =>
new Tuple <ushort, AnchorPoint>(
(ushort)mark1ArrayTable.Class(fontTable.Wrapped, i),
(AnchorPoint)this.ParseAnchor(fontTable, new AccessPrivateWrapper(mark1ArrayTable.MarkAnchor(fontTable.Wrapped, i)))
)).ToList(),
BaseAnchorPoints = this.GetEnumerableFromInternalList(
() => fontTable.GetUShort(base2ArrayTable.offset),
i => this.GetEnumerableFromInternalList(
() => table.Mark1ClassCount(fontTable.Wrapped),
j => (AnchorPoint)this.ParseAnchor(fontTable, new AccessPrivateWrapper(base2ArrayTable.Anchor(fontTable.Wrapped, i, table.Mark1ClassCount(fontTable.Wrapped), j)))
).ToList()
).ToList(),
LookupFlags = lookupFlags
});
}
