internal PdfType0Font(PdfDirectObject baseObject) : base(baseObject)
{
gsubData = DefaultGsubData.NO_DATA_FOUND;
cmapLookup = null;
var fonts = Dictionary.Resolve(PdfName.DescendantFonts);
if (!(fonts is PdfArray))
{
throw new IOException("Missing descendant font array");
}
var descendantFonts = (PdfArray)fonts;
if (descendantFonts.Count == 0)
{
throw new IOException("Descendant font array is empty");
}
var descendantFontDictBase = descendantFonts.Resolve(0);
if (!(descendantFontDictBase is PdfDictionary))
{
throw new IOException("Missing descendant font dictionary");
}
ReadEncoding();
}
public GsubWorkerForBengali(ICmapLookup cmapLookup, GsubData gsubData)
{
this.cmapLookup = cmapLookup;
this.gsubData = gsubData;
beforeHalfGlyphIds = GetBeforeHalfGlyphIds();
beforeAndAfterSpanGlyphIds = GetBeforeAndAfterSpanGlyphIds();
}
internal PdfType0Font(Document document, TrueTypeFont ttf, bool embedSubset, bool closeTTF, bool vertical)
: base(document, new PdfDictionary())
{
if (vertical)
{
ttf.EnableVerticalSubstitutions();
}
gsubData = ttf.GsubData;
cmapLookup = ttf.GetUnicodeCmapLookup();
embedder = new PdfCIDFontType2Embedder(document, Dictionary, ttf, embedSubset, this, vertical);
CIDFont = embedder.GetCIDFont();
ReadEncoding();
if (closeTTF)
{
if (embedSubset)
{
this.ttf = ttf;
//TODO document.registerTrueTypeFontForClosing(ttf);
}
else
{
// the TTF is fully loaded and it is safe to close the underlying data source
ttf.Dispose();
}
}
}
public GsubWorker GetGsubWorker(ICmapLookup cmapLookup, GsubData gsubData)
{
switch (gsubData.Language)
{
case Language.beng:
case Language.bng2:
return(new GsubWorkerForBengali(cmapLookup, gsubData));
default:
throw new NotSupportedException(
"The language " + gsubData.Language + " is not yet supported");
}
}
