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Topic: Re: about font type questions
Conf: (P-PDF) Developers, Msg: 56193
From: LeonardR
Date: 5/29/2002 05:17 PM

>When I use GhostScript'command ps2pdf to convert ps files to pdf files,
>it converts text to high-resolution bitmapped fonts rather than to embedded
>outline fonts.

Are they really bitmaps, or just vector Type 3 fonts?

What type of fonts were you starting with in the original
document OR are written to the Postscript? It may NOT be GS that is
doing this, but the original producer of the Postscript.

For example, it is a common technique when working with
TrueType (TTF) fonts to convert to Type3 in PS/PDF rather than
keeping them native, since it makes subsetting the fonts easier.

>Also it uses its own encoding but not the standard encoding
>defined by Adobe.

Again, same issue. Type 3 fonts are always custom encoded,
because of what they are. Also, if you have a subsetted font, you
MUST use a custom encoding. You will see this with Distiller as
well, when it subsets a font.

>So it is difficult to extract text from the produced pdf files.

Not if you do it correctly, it is not! The encoding tables
and ToUnicode tables are there for a reason - use them!!!

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