internal PdfFont(System.IO.BinaryReader reader)
{
_fontName = reader.ReadString();
_fullName = reader.ReadString();
_familyName = reader.ReadString();
_weight = reader.ReadString();
_isCIDFont = reader.ReadBoolean();
_italicAngle = reader.ReadDouble();
_isFixedPitch = reader.ReadBoolean();
_characterSet = reader.ReadString();
_fontBBox = new AfmRectangle(reader);
_underlinePosition = reader.ReadInt16();
_underlineThickness = reader.ReadInt16();
_capHeight = reader.ReadInt16();
_xheight = reader.ReadInt16();
_ascender = reader.ReadInt16();
_descender = reader.ReadInt16();
_stdHW = reader.ReadInt16();
_stdVW = reader.ReadInt16();
_charMetric = new AfmCharMetric[65536];
UInt16 pos;
while ((pos = reader.ReadUInt16()) != 0)
{
_charMetric[pos] = new AfmCharMetric(reader);
}
}
public PdfDistance TextWidth(PdfDistance fontSize, string text)
{
int width = 0;
if (text != null)
{
for (int i = 0; i < text.Length; ++i)
{
char c = text[i];
if (Encode(c) == '?')
{
c = '?';
}
AfmCharMetric Metric = _charMetric[c];
width += (Metric != null) ? Metric.Width : _fontBBox.urX;
}
}
return(new PdfDistance(fontSize.pnts * (double)width / 1000.0));
}
private void _ReadAfmFile_ReadCharMetric(AfmReader reader, int charCode)
{
string subKey;
int unicode = -1;
int height = 0;
int width = 0;
AfmRectangle box = new AfmRectangle(0, 0, 0, 0);
while ((subKey = reader.ReadKey(true)) != null)
{
switch (subKey)
{
case "WX":
case "W0X":
width = reader.ReadInteger();
break;
case "WY":
case "W0Y":
height = reader.ReadInteger();
break;
case "B":
box = reader.ReadRectangle();
break;
case "L":
break;
case "VV":
case "W1X":
case "W1Y":
throw new PdfException("Only right to left font are supported.");
case "N": {
string GlyphName = reader.ReadString(false);
unicode = AfmReader.GlyphNameToUnicode(GlyphName);
if (unicode < 0 && charCode < 0)
{
throw new PdfException("Unknown GlyphName '" + GlyphName + "'.");
}
}
break;
default:
// System.Diagnostics.Debug.WriteLine("Warning: Unknown AFM sub-key '"+subKey+"'.");
break;
}
}
if (unicode < 0)
{
if (charCode < 0)
{
throw new PdfException("Unknown charcode and unicode.");
}
if (_charMetric[charCode] == null)
{
unicode = charCode;
}
}
if (unicode > 0)
{
_charMetric[unicode] = new AfmCharMetric(height, width, box);
}
}
