[Poppler-bugs] [Bug 96994] pdftocairo pdf/ps output broken when glyph in non-embedded type 1 font can not be mapped

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96994

--- Comment #1 from Adrian Johnson <ajohnson at redneon.com> ---
Created attachment 125144
  --> https://bugs.freedesktop.org/attachment.cgi?id=125144&action=edit
cairo: try finding glyphs in substitute fonts by unicode

In this pdf the Helvetica fonts are not embedded. The non-embedded font
specifies a custom encoding. The garbage character displayed is
/nonbreakingspace in the custom encoding. If this glyph name is not found in
the substitute font the garbage character is displayed.

The attached patch fixes this. If looking up the glyph by name fails it tries
mapping the glyph name to unicode then looking up the glyph by unicode value.

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