public virtual void SubstituteOneToOne(OpenTypeFontTableReader tableReader, int substitutionGlyphIndex)
{
Glyph oldGlyph = glyphs[idx];
Glyph newGlyph = tableReader.GetGlyph(substitutionGlyphIndex);
if (oldGlyph.GetChars() != null)
{
newGlyph.SetChars(oldGlyph.GetChars());
}
else
{
if (newGlyph.HasValidUnicode())
{
newGlyph.SetChars(iText.IO.Util.TextUtil.ConvertFromUtf32(newGlyph.GetUnicode()));
}
else
{
if (oldGlyph.HasValidUnicode())
{
newGlyph.SetChars(iText.IO.Util.TextUtil.ConvertFromUtf32(oldGlyph.GetUnicode()));
}
}
}
glyphs[idx] = newGlyph;
}
public virtual void SubstituteManyToOne(OpenTypeFontTableReader tableReader, int lookupFlag, int rightPartLen
, int substitutionGlyphIndex)
{
OpenTableLookup.GlyphIndexer gidx = new OpenTableLookup.GlyphIndexer();
gidx.line = this;
gidx.idx = idx;
StringBuilder chars = new StringBuilder();
Glyph currentGlyph = glyphs[idx];
if (currentGlyph.GetChars() != null)
{
chars.Append(currentGlyph.GetChars());
}
else
{
if (currentGlyph.HasValidUnicode())
{
chars.Append(iText.IO.Util.TextUtil.ConvertFromUtf32(currentGlyph.GetUnicode()));
}
}
for (int j = 0; j < rightPartLen; ++j)
{
gidx.NextGlyph(tableReader, lookupFlag);
currentGlyph = glyphs[gidx.idx];
if (currentGlyph.GetChars() != null)
{
chars.Append(currentGlyph.GetChars());
}
else
{
if (currentGlyph.HasValidUnicode())
{
chars.Append(iText.IO.Util.TextUtil.ConvertFromUtf32(currentGlyph.GetUnicode()));
}
}
RemoveGlyph(gidx.idx--);
}
char[] newChars = new char[chars.Length];
chars.GetChars(0, chars.Length, newChars, 0);
Glyph newGlyph = tableReader.GetGlyph(substitutionGlyphIndex);
newGlyph.SetChars(newChars);
glyphs[idx] = newGlyph;
end -= rightPartLen;
}
private bool GlyphLinePartNeedsActualText(GlyphLine.GlyphLinePart glyphLinePart)
{
if (glyphLinePart.actualText == null)
{
return(false);
}
bool needsActualText = false;
StringBuilder toUnicodeMapResult = new StringBuilder();
for (int i = glyphLinePart.start; i < glyphLinePart.end; i++)
{
Glyph currentGlyph = glyphLine.glyphs[i];
if (!currentGlyph.HasValidUnicode())
{
needsActualText = true;
break;
}
toUnicodeMapResult.Append(TextUtil.ConvertFromUtf32(currentGlyph.GetUnicode()));
}
return(needsActualText || !toUnicodeMapResult.ToString().Equals(glyphLinePart.actualText
));
}
