/** Gets the glyph index and metrics for a character.
* @param c the character
* @return an <CODE>int</CODE> array with {glyph index, width}
*/
public override int[] GetMetricsTT(int c)
{
int[] ret;
if (cmapExt != null)
{
cmapExt.TryGetValue(c, out ret);
return(ret);
}
Dictionary <int, int[]> map = null;
if (fontSpecific)
{
map = cmap10;
}
else
{
map = cmap31;
}
if (map == null)
{
return(null);
}
if (fontSpecific)
{
if ((c & 0xffffff00) == 0 || (c & 0xffffff00) == 0xf000)
{
map.TryGetValue(c & 0xff, out ret);
return(ret);
}
else
{
return(null);
}
}
else
{
if (!map.TryGetValue(c, out ret))
{
char ch;
if (ArabicLigaturizer.TryGetReverseMapping((char)c, out ch))
{
map.TryGetValue(ch, out ret);
}
}
return(ret);
}
}
