[cairo-bugs] [Bug 10849] PDF Font Embedding Bug with some OpenType Fonts and some PDF viewers

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 27 16:18:29 PDT 2007


ajohnson at redneon.com changed:

           What    |Removed                     |Added
             Status|ASSIGNED                    |NEEDINFO

------- Comment #4 from ajohnson at redneon.com  2007-06-27 16:18 PST -------
(In reply to comment #3)
> With cairo-1.4.6 and cairo-1.4.10 under Mac OS X 1.4 I see no fonts at all
> (I've tried Helvetica and Comic Sans MS) using Apple's Viewer application.
> Acrobat Reader 8.1 and Ghostscript have no problems. I will try cairo-1.4
> tomorrow.

It would be helpful to attach a PDF test case that I can look at. The font
embedding changed in 1.4.6 to CID encoding due to limitations with the non CID
encoding that resulted in increased PDF size and some fonts embedded as
unhinted outlines. Prior to 1.4.6 the cairo font embedding had an ugly hack to
work around bugs in Apple Preview. 

If you can locate a PDF created with another application that has the same type
of font embedding (see comment #1) that

  a) displays correctly: I can look at it how the font is embedded and change
cairo to work the same way, or

  b) does not display correctly: then it is a bug in the Apple viewer.

If PDFs display correctly in every pdf viewer except Apple Preview it is most
likely a Preview bug.

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