private void initFontEncoding(Type1Parser parser)
{
List <KeyValuePair <ushort, string> > charset = parser.GetCharset();
if (charset != null)
{
for (int i = 0; i < charset.Count; ++i)
{
char c = GlyfNames.GetChar(charset[i].Value);
if (!_charset.ContainsKey(c))
{
_charset.Add(c, (byte)charset[i].Key);
}
}
}
else
{
for (byte i = 32; i < 255; ++i)
{
char ch = Encoding.GetChar(i);
if (!_charset.ContainsKey(ch))
{
_charset.Add(ch, i);
}
}
}
}
private void addWidths(Type1Parser parser)
{
List <KeyValuePair <ushort, string> > charset = parser.GetCharset();
Dictionary <string, int> widths = parser.GetWidths();
PDFArray w = new PDFArray();
if (charset != null)
{
int i = 0;
if (charset[0].Key == 0)
{
++i;
}
int tmp = 0;
for (; i < charset.Count; ++i)
{
if (!widths.TryGetValue(charset[i].Value, out tmp))
{
w.AddItem(new PDFNumber(0));
}
else
{
w.AddItem(new PDFNumber(tmp));
}
}
}
else
{
int result = 0;
for (byte i = 32; i < 255; ++i)
{
char c = Encoding.GetChar(i);
string glyfName = GlyfNames.GetName(c);
if (!widths.TryGetValue(glyfName, out result))
{
w.AddItem(new PDFNumber(0));
}
else
{
w.AddItem(new PDFNumber(result));
}
}
}
GetDictionary().AddItem("Widths", w);
}
internal FontEncoding(IPDFObject encoding)
{
if (encoding is PDFDictionary)
{
initBaseEncoding((encoding as PDFDictionary)["BaseEncoding"] as PDFName);
PDFArray differences = (encoding as PDFDictionary)["Differences"] as PDFArray;
if (differences != null)
{
int current = 0;
for (int i = 0; i < differences.Count; ++i)
{
if (differences[i] is PDFNumber)
{
current = (int)(differences[i] as PDFNumber).GetValue();
}
else
{
if (differences[i] is PDFName)
{
string glyfName = (differences[i] as PDFName).GetValue();
if (current < _charset.Count)
{
_charset[current] = GlyfNames.GetChar(glyfName);
}
}
current++;
}
}
}
}
else
{
initBaseEncoding(encoding as PDFName);
}
}
