Sorry if this is a duplicate.
I have noticed that iTextSharp does not like ImageMasks that have uncompressed
bitmap data. I have some PDF files that I have to split that have thousands of
ImageMasks and all have uncompressed image data. Some of that data is
represented by the null character. Null happens to be a valid color in
uncompressed bitonal data.
I traced the problem down to this function in PRTokeniser.cs
public static bool IsWhitespace(int ch) {
return (/*ch == 0 ||
*/ch == 9 || ch == 10 || ch == 12 || ch == 13 || ch == 32);
}
You can see what I commented out. Once I made this change everything would
split properly. Without this change the multipage PDF could be split into
single page PDF files but none of the single page files were viewable because
the null character was being "eaten" by IsWhiteSpace().
I'd like to submit this to the iTextSharp team but I'm not sure who that is.
I'm hoping someone in this list will help.
Thanks,
Darren
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