public override byte[] GetData(ushort[] glyfIndexes)
{
System.IO.MemoryStream ms = new System.IO.MemoryStream();
int hMetricsCount = calculateNumOfLongHorMetrics(glyfIndexes);
for (int i = 0; i < hMetricsCount; ++i)
{
if (i >= _hMetrics.Count)
{
break;
}
LongHorMetric tmp = _hMetrics[i];
ms.Write(BinaryUtility.UInt16ToBytes((ushort)tmp.AdvanceWidth), 0, 2);
ms.Write(BinaryUtility.UInt16ToBytes((ushort)tmp.Lsb), 0, 2);
}
int glyfsCount = glyfIndexes[glyfIndexes.Length - 1] + 1;
int leftSideBearingCount = glyfsCount - hMetricsCount;
if (leftSideBearingCount > 0 && _leftSideBearing.Count > 0)
{
int start = calculateStartLeftSideBearing(glyfIndexes);
for (int i = 0; i < leftSideBearingCount; ++i)
{
if (i >= _leftSideBearing.Count + start)
{
break;
}
ms.Write(BinaryUtility.UInt16ToBytes((ushort)_leftSideBearing[start + i]), 0, 2);
}
}
byte[] tempFontData = new byte[ms.Length];
ms.Position = 0;
ms.Read(tempFontData, 0, tempFontData.Length);
return(tempFontData);
}
public override void Read(Reader reader, int offset, int length)
{
if (length < 0 || offset <= 0 || offset >= reader.Length)
{
throw new PDFWrongFontFileException();
}
reader.Position = offset;
for (int i = 0; i < _numberOfHMetrics; ++i)
{
LongHorMetric tmp = new LongHorMetric();
tmp.AdvanceWidth = (ushort)reader.ReadUint16();
tmp.Lsb = (short)reader.ReadUint16();
_hMetrics.Add(tmp);
}
int count = _numGlyphs - _numberOfHMetrics;
for (int i = 0; i < count; ++i)
{
_leftSideBearing.Add((short)reader.ReadUint16());
}
}
