public static CoverageTable[] CreateMultipleCoverageTables(long initPos, ushort[] offsets, BinaryReader reader)
{
CoverageTable[] results = new CoverageTable[offsets.Length];
for (int i = 0; i < results.Length; ++i)
{
results[i] = CoverageTable.CreateFrom(reader, initPos + offsets[i]);
}
return(results);
}
public static CoverageTable[] CreateMultipleCoverageTables(long initPos, ushort[] offsets, BinaryReader reader)
{
List <CoverageTable> results = new List <CoverageTable>(offsets.Length);
foreach (ushort offset in offsets)
{
results.Add(CoverageTable.CreateFrom(reader, initPos + offset));
}
return(results.ToArray());
}
public static CoverageTable CreateFrom(BinaryReader reader, long beginAt)
{
reader.BaseStream.Seek(beginAt, SeekOrigin.Begin);
//---------------------------------------------------
var coverageTable = new CoverageTable();
//CoverageFormat1 table: Individual glyph indices
//Type Name Description
//uint16 CoverageFormat Format identifier-format = 1
//uint16 GlyphCount Number of glyphs in the GlyphArray
//uint16 GlyphArray[GlyphCount] Array of glyph IDs — in numerical order
//---------------------------------
//CoverageFormat2 table: Range of glyphs
//Type Name Description
//uint16 CoverageFormat Format identifier-format = 2
//uint16 RangeCount Number of RangeRecords
//struct RangeRecord[RangeCount] Array of glyph ranges — ordered by StartGlyphID.
//------------
//RangeRecord
//----------
//Type Name Description
//uint16 StartGlyphID First glyph ID in the range
//uint16 EndGlyphID Last glyph ID in the range
//uint16 StartCoverageIndex Coverage Index of first glyph ID in range
//----------
switch (coverageTable._format = reader.ReadUInt16())
{
default:
throw new NotSupportedException();
case 1: //CoverageFormat1 table: Individual glyph indices
{
ushort glyphCount = reader.ReadUInt16();
coverageTable.orderedGlyphIdList = Utils.ReadUInt16Array(reader, glyphCount);
}
break;
case 2: //CoverageFormat2 table: Range of glyphs
{
ushort rangeCount = reader.ReadUInt16();
RangeRecord[] ranges = new RangeRecord[rangeCount];
for (int i = 0; i < rangeCount; ++i)
{
ranges[i] = new RangeRecord(
reader.ReadUInt16(),
reader.ReadUInt16(),
reader.ReadUInt16());
}
coverageTable.ranges = ranges;
}
break;
}
return(coverageTable);
}
public static CoverageTable CreateFrom(BinaryReader reader, long beginAt)
{
reader.BaseStream.Seek(beginAt, SeekOrigin.Begin);
//---------------------------------------------------
var coverageTable = new CoverageTable();
//1. format
switch (coverageTable._format = reader.ReadUInt16())
{
default:
throw new NotSupportedException();
case 1:
{
//CoverageFormat1 table: Individual glyph indices
ushort glyphCount = reader.ReadUInt16();
//GlyphID GlyphArray[GlyphCount] Array of GlyphIDs-in numerical order ***
ushort[] orderedGlyphIdList = new ushort[glyphCount];
for (int i = 0; i < glyphCount; ++i)
{
orderedGlyphIdList[i] = reader.ReadUInt16();
}
coverageTable.orderedGlyphIdList = orderedGlyphIdList;
}
break;
case 2:
{
//CoverageFormat2 table: Range of glyphs
ushort rangeCount = reader.ReadUInt16();
RangeRecord[] ranges = new RangeRecord[rangeCount];
for (int i = 0; i < rangeCount; ++i)
{
ranges[i] = new RangeRecord(
reader.ReadUInt16(),
reader.ReadUInt16(),
reader.ReadUInt16());
}
coverageTable.ranges = ranges;
coverageTable.UpdateRangeOffsets();
}
break;
}
return(coverageTable);
}
public static LigCaretList CreateFrom(BinaryReader reader, long beginAt)
{
reader.BaseStream.Seek(beginAt, SeekOrigin.Begin);
//----
LigCaretList ligcaretList = new LigCaretList();
ushort coverageOffset = reader.ReadUInt16();
ushort ligGlyphCount = reader.ReadUInt16();
ushort[] ligGlyphOffsets = Utils.ReadUInt16Array(reader, ligGlyphCount);
LigGlyph[] ligGlyphs = new LigGlyph[ligGlyphCount];
for (int i = 0; i < ligGlyphCount; ++i)
{
ligGlyphs[i] = LigGlyph.CreateFrom(reader, beginAt + ligGlyphOffsets[i]);
}
ligcaretList.ligGlyphs = ligGlyphs;
ligcaretList.coverageTable = CoverageTable.CreateFrom(reader, beginAt + coverageOffset);
return(ligcaretList);
}
