internal PdfType0Font(TrueTypeFont ttf, String cmap)
: base()
{
if (!cmap.Equals(PdfEncodings.IDENTITY_H) && !cmap.Equals(PdfEncodings.IDENTITY_V))
{
throw new PdfException("only.identity.cmaps.supports.with.truetype");
}
if (!ttf.GetFontNames().AllowEmbedding())
{
throw new PdfException("1.cannot.be.embedded.due.to.licensing.restrictions").SetMessageParams(ttf.GetFontNames
().GetFontName() + ttf.GetFontNames().GetStyle());
}
this.fontProgram = ttf;
this.embedded = true;
vertical = cmap.EndsWith("V");
cmapEncoding = new CMapEncoding(cmap);
longTag = new LinkedDictionary <int, int[]>();
cidFontType = CID_FONT_TYPE_2;
if (ttf.IsFontSpecific())
{
specificUnicodeDifferences = new char[256];
byte[] bytes = new byte[1];
for (int k = 0; k < 256; ++k)
{
bytes[0] = (byte)k;
String s = PdfEncodings.ConvertToString(bytes, null);
char ch = s.Length > 0 ? s[0] : '?';
specificUnicodeDifferences[k] = ch;
}
}
}
internal PdfType0Font(TrueTypeFont ttf, String cmap)
: base()
{
if (!PdfEncodings.IDENTITY_H.Equals(cmap) && !PdfEncodings.IDENTITY_V.Equals(cmap))
{
throw new PdfException(PdfException.OnlyIdentityCMapsSupportsWithTrueType);
}
if (!ttf.GetFontNames().AllowEmbedding())
{
throw new PdfException(PdfException.CannotBeEmbeddedDueToLicensingRestrictions).SetMessageParams(ttf.GetFontNames
().GetFontName() + ttf.GetFontNames().GetStyle());
}
this.fontProgram = ttf;
this.embedded = true;
vertical = cmap.EndsWith("V");
cmapEncoding = new CMapEncoding(cmap);
longTag = new SortedSet <int>();
cidFontType = CID_FONT_TYPE_2;
if (ttf.IsFontSpecific())
{
specificUnicodeDifferences = new char[256];
byte[] bytes = new byte[1];
for (int k = 0; k < 256; ++k)
{
bytes[0] = (byte)k;
String s = PdfEncodings.ConvertToString(bytes, null);
char ch = s.Length > 0 ? s[0] : '?';
specificUnicodeDifferences[k] = ch;
}
}
}
public override GlyphLine CreateGlyphLine(String content)
{
IList <Glyph> glyphs = new List <Glyph>();
if (cidFontType == CID_FONT_TYPE_0)
{
int len = content.Length;
if (cmapEncoding.IsDirect())
{
for (int k = 0; k < len; ++k)
{
Glyph glyph = fontProgram.GetGlyphByCode((int)content[k]);
if (glyph != null)
{
glyphs.Add(glyph);
}
}
}
else
{
for (int k = 0; k < len; ++k)
{
int ch;
if (TextUtil.IsSurrogatePair(content, k))
{
ch = TextUtil.ConvertToUtf32(content, k);
k++;
}
else
{
ch = content[k];
}
glyphs.Add(GetGlyph(ch));
}
}
}
else
{
if (cidFontType == CID_FONT_TYPE_2)
{
TrueTypeFont ttf = (TrueTypeFont)fontProgram;
int len = content.Length;
if (ttf.IsFontSpecific())
{
byte[] b = PdfEncodings.ConvertToBytes(content, "symboltt");
len = b.Length;
for (int k = 0; k < len; ++k)
{
Glyph glyph = fontProgram.GetGlyph(b[k] & 0xff);
if (glyph != null)
{
glyphs.Add(glyph);
}
}
}
else
{
for (int k = 0; k < len; ++k)
{
int val;
if (TextUtil.IsSurrogatePair(content, k))
{
val = TextUtil.ConvertToUtf32(content, k);
k++;
}
else
{
val = content[k];
}
glyphs.Add(GetGlyph(val));
}
}
}
else
{
throw new PdfException("font.has.no.suitable.cmap");
}
}
return(new GlyphLine(glyphs));
}
public override int AppendAnyGlyph(String text, int from, IList <Glyph> glyphs)
{
int process = 1;
if (cidFontType == CID_FONT_TYPE_0)
{
if (cmapEncoding.IsDirect())
{
Glyph glyph = fontProgram.GetGlyphByCode((int)text[from]);
if (glyph != null)
{
glyphs.Add(glyph);
}
}
else
{
int ch;
if (iText.IO.Util.TextUtil.IsSurrogatePair(text, from))
{
ch = iText.IO.Util.TextUtil.ConvertToUtf32(text, from);
process = 2;
}
else
{
ch = text[from];
}
glyphs.Add(GetGlyph(ch));
}
}
else
{
if (cidFontType == CID_FONT_TYPE_2)
{
TrueTypeFont ttf = (TrueTypeFont)fontProgram;
if (ttf.IsFontSpecific())
{
byte[] b = PdfEncodings.ConvertToBytes(text, "symboltt");
if (b.Length > 0)
{
Glyph glyph = fontProgram.GetGlyph(b[0] & 0xff);
if (glyph != null)
{
glyphs.Add(glyph);
}
}
}
else
{
int ch;
if (iText.IO.Util.TextUtil.IsSurrogatePair(text, from))
{
ch = iText.IO.Util.TextUtil.ConvertToUtf32(text, from);
process = 2;
}
else
{
ch = text[from];
}
glyphs.Add(GetGlyph(ch));
}
}
else
{
throw new PdfException("Font has no suitable cmap.");
}
}
return(process);
}
