Missing subtables in CMap table such "Format 4 subtable"

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Mei
Posts: 1
Joined: Wed Jul 04, 2012 9:26 am

Missing subtables in CMap table such "Format 4 subtable"

Post by Mei » Wed Jul 04, 2012 11:07 am

Hi,

I am creating TTF from fonts embedded with Pdf. I am facing problems with a embedded fonts those have missing subtables. In a particular case I am having only one sub-table with Platform Id=1 and Encoding Id=0. This clearly shows the font can used in Macintosh but could not be used in Microsoft platforms, since Microsoft needs Platform Id=3 and Encoding Id=1(Non Symbolic).

What should I do in this case?. If I need to recreate some sub-tables inside CMap table such as "format 4 table" , How can I recreate them(Using which info)..

In some cases I believe some needed tables are also missing form "FontFile2" such as "OS/2" or "post".. But specifications says they are not mandatory.

I could understand that some tables are removed from Pdf generating tools to reduce size cause this issue.. How adobe manages this to getting displayed correctly.. What we are missing.

Thanks,
Mei

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