private void LoadCMaps()
{
try {
fontDesc = allFonts[fontName];
hMetrics = (IntHashtable)fontDesc["W"];
vMetrics = (IntHashtable)fontDesc["W2"];
String registry = (String)fontDesc["Registry"];
uniMap = "";
foreach (String name in registryNames[registry + "_Uni"].Keys)
{
uniMap = name;
if (name.EndsWith("V") && vertical)
{
break;
}
if (!name.EndsWith("V") && !vertical)
{
break;
}
}
if (cidDirect)
{
cidUni = CMapCache.GetCachedCMapCidUni(uniMap);
}
else
{
uniCid = CMapCache.GetCachedCMapUniCid(uniMap);
cidByte = CMapCache.GetCachedCMapCidByte(CMap);
}
}
catch (Exception ex) {
throw new DocumentException(ex.Message);
}
}
/// <param name="cmap">CMap name.</param>
/// <param name="uniMap">CMap to convert Unicode value to CID.</param>
public CMapEncoding(String cmap, String uniMap)
{
this.cmap = cmap;
this.uniMap = uniMap;
if (cmap.Equals(PdfEncodings.IDENTITY_H) || cmap.Equals(PdfEncodings.IDENTITY_V))
{
cid2Uni = FontCache.GetCid2UniCmap(uniMap);
isDirect = true;
}
else
{
cid2Code = FontCache.GetCid2Byte(cmap);
code2Cid = cid2Code.GetReversMap();
}
}
private void InitializeCidFontProperties(IDictionary <String, Object> fontDesc)
{
fontIdentification.SetPanose((String)fontDesc.Get("Panose"));
fontMetrics.SetItalicAngle(Convert.ToInt32((String)fontDesc.Get("ItalicAngle"), System.Globalization.CultureInfo.InvariantCulture
));
fontMetrics.SetCapHeight(Convert.ToInt32((String)fontDesc.Get("CapHeight"), System.Globalization.CultureInfo.InvariantCulture
));
fontMetrics.SetTypoAscender(Convert.ToInt32((String)fontDesc.Get("Ascent"), System.Globalization.CultureInfo.InvariantCulture
));
fontMetrics.SetTypoDescender(Convert.ToInt32((String)fontDesc.Get("Descent"), System.Globalization.CultureInfo.InvariantCulture
));
fontMetrics.SetStemV(Convert.ToInt32((String)fontDesc.Get("StemV"), System.Globalization.CultureInfo.InvariantCulture
));
pdfFontFlags = Convert.ToInt32((String)fontDesc.Get("Flags"), System.Globalization.CultureInfo.InvariantCulture
);
String fontBBox = (String)fontDesc.Get("FontBBox");
StringTokenizer tk = new StringTokenizer(fontBBox, " []\r\n\t\f");
int llx = Convert.ToInt32(tk.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int lly = Convert.ToInt32(tk.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int urx = Convert.ToInt32(tk.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int ury = Convert.ToInt32(tk.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
fontMetrics.UpdateBbox(llx, lly, urx, ury);
registry = (String)fontDesc.Get("Registry");
String uniMap = GetCompatibleUniMap(registry);
if (uniMap != null)
{
IntHashtable metrics = (IntHashtable)fontDesc.Get("W");
CMapCidUni cid2Uni = FontCache.GetCid2UniCmap(uniMap);
avgWidth = 0;
foreach (int cid in cid2Uni.GetCids())
{
int uni = cid2Uni.Lookup(cid);
int width = metrics.ContainsKey(cid) ? metrics.Get(cid) : DEFAULT_WIDTH;
Glyph glyph = new Glyph(cid, width, uni);
avgWidth += glyph.GetWidth();
codeToGlyph.Put(cid, glyph);
unicodeToGlyph.Put(uni, glyph);
}
FixSpaceIssue();
if (codeToGlyph.Count != 0)
{
avgWidth /= codeToGlyph.Count;
}
}
}
private void InitFont()
{
ProcessToUnicode();
//if (toUnicodeCmap == null)
ProcessUni2Byte();
spaceWidth = base.GetWidth(' ');
if (spaceWidth == 0)
{
spaceWidth = ComputeAverageWidth();
}
if (cjkEncoding != null)
{
byteCid = CMapCache.GetCachedCMapByteCid(cjkEncoding);
cidUni = CMapCache.GetCachedCMapCidUni(uniMap);
}
}
/// <summary>Parses CMap with a given name producing it in a form of cid to unicode mapping.</summary>
/// <param name="uniMap">a CMap name. It is expected that CMap identified by this name defines unicode to cid mapping.
/// </param>
/// <returns>an object for convenient mapping from cid to unicode. If no CMap was found for provided name an exception is thrown.
/// </returns>
public static CMapCidUni GetCid2UniCmap(String uniMap)
{
CMapCidUni cidUni = new CMapCidUni();
return(ParseCmap(uniMap, cidUni));
}
