/**
* <summary>Loads the font data.</summary>
*/
private void Load(
)
{
try
{
ParseHeader();
Index nameIndex = Index.Parse(fontData);
Index topDictIndex = Index.Parse(fontData);
stringIndex = Index.Parse(fontData);
#pragma warning disable 0219
Index globalSubrIndex = Index.Parse(fontData);
string fontName = ToString(nameIndex[0]);
#pragma warning restore 0219
Dict topDict = Dict.Parse(topDictIndex[0]);
// int encodingOffset = topDict.get(Dict.OperatorEnum.Encoding, 0, 0).intValue();
//TODO: encoding
int charsetOffset = (int)topDict.Get(Dict.OperatorEnum.Charset, 0, 0);
StandardCharsetEnum?charset = GetStandardCharset(charsetOffset);
if (charset.HasValue)
{
glyphIndexes = new Dictionary <int, int>(StandardCharsets[charset.Value]);
}
else
{
glyphIndexes = new Dictionary <int, int>();
int charStringsOffset = (int)topDict.Get(Dict.OperatorEnum.CharStrings, 0);
Index charStringsIndex = Index.Parse(fontData, charStringsOffset);
fontData.Seek(charsetOffset);
int charsetFormat = fontData.ReadByte();
for (int index = 1, count = charStringsIndex.Count; index <= count;)
{
switch (charsetFormat)
{
case 0:
glyphIndexes[index++] = ToUnicode(fontData.ReadUnsignedShort());
break;
case 1:
case 2:
{
int first = fontData.ReadUnsignedShort();
int nLeft = (charsetFormat == 1 ? fontData.ReadByte() : fontData.ReadUnsignedShort());
for (int rangeItemIndex = first, rangeItemEndIndex = first + nLeft; rangeItemIndex <= rangeItemEndIndex; rangeItemIndex++)
{
glyphIndexes[index++] = ToUnicode(rangeItemIndex);
}
}
break;
}
}
}
}
catch (Exception e)
{ throw e; }
}
public static Index Parse(IInputStream stream)
{
byte[][] data = new byte[stream.ReadUnsignedShort()][];
{
int[] offsets = new int[data.Length + 1];
int offSize = stream.ReadByte();
for (int index = 0, count = offsets.Length; index < count; index++)
{
offsets[index] = stream.ReadInt(offSize);
}
for (int index = 0, count = data.Length; index < count; index++)
{
stream.Read(data[index] = new byte[offsets[index + 1] - offsets[index]]);
}
}
return(new Index(data));
}
