/** Gets the kerning between two Unicode characters. The characters
* are converted to names and this names are used to find the kerning
* pairs in the <CODE>Hashtable</CODE> <CODE>KernPairs</CODE>.
* @param char1 the first char
* @param char2 the second char
* @return the kerning to be applied
*/
public override int getKerning(char char1, char char2)
{
string first = GlyphList.unicodeToName((int)char1);
if (first == null)
{
return(0);
}
string second = GlyphList.unicodeToName((int)char2);
if (second == null)
{
return(0);
}
Object[] obj = (Object[])KernPairs[first];
if (obj == null)
{
return(0);
}
for (int k = 0; k < obj.Length; k += 2)
{
if (second.Equals(obj[k]))
{
return((int)obj[k + 1]);
}
}
return(0);
}
/**
* Creates the <CODE>widths</CODE> and the <CODE>differences</CODE> arrays
* @throws UnsupportedEncodingException the encoding is not supported
*/
protected void createEncoding()
{
if (fontSpecific)
{
for (int k = 0; k < 256; ++k)
{
widths[k] = getRawWidth(k, null);
}
}
else
{
string s;
string name;
char c;
byte[] b = new byte[1];
for (int k = 0; k < 256; ++k)
{
b[0] = (byte)k;
s = System.Text.Encoding.GetEncoding(encoding).GetString(b);
if (s.Length > 0)
{
c = s[0];
}
else
{
c = '?';
}
name = GlyphList.unicodeToName((int)c);
if (name == null)
{
name = notdef;
}
differences[k] = name;
this.UnicodeDifferences[k] = c;
widths[k] = getRawWidth((int)c, name);
}
}
}
