[gs-bugs] [Bug 691907] PDFs with TrueType fonts from Windows PostScript files not searchable

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue Jan 25 08:43:33 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=691907

--- Comment #1 from SaGS <sags5495 at hotmail.com> 2011-01-25 08:43:30 UTC ---
Before revision 11735, PDF TrueType fonts had an Encoding entry. Because the
Windows PS driver assigns standard glyph names, the Encoding allowed Adobe
Reader/ etc to infer the Unicode equivalents of the characters and thus
searching/ copying the text functioned. Now, this method is not available
anymore. In the absence of a ToUnicode CMap, Adobe Reader uses character codes
as they are, but these are not meaningful because the Windows driver defines
the fonts incrementally, so charcodes are 1, 2, ... in the order the characters
are used for the 1st time in the printed output. A ToUnicode CMap would solve
the problem, but Unfortunately Ghostscript’s pdfwrite driver does not always
output one.

(sorry, this should have been part of comment #0.)

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