Hi Derek,
I have two rendering issues with xpdf, and the 2nd of which also affects every
other viewers on Linux I have - mupdf, acroread 9.x , evince. But the file
works correctly on acrobat reader on android, so it seems to be a rendering
problem, and perhaps generic to Linux-based viewers - for the 2nd issue.
The file is http://htl10.users.sourceforge.net/FontVal-TypoLabs2018.pdf . Sorry
it is a 17MB file - processing the eps alone does not trigger the problems.
Page 73 - the Devanagari accents, the dotted circles shows only 3 dots (should
be about 8). Page 72 has a figure from png screen capture showing what it
should look like.
Page 76 - the Arabic glyphs are not positioned correctly and so the writing is
a bit broken up. Again page 75 has figures show what it should look like. This
problem affects every viewer I find on Linux also - mupdf, evince, acroread 9.x
.
The figures were generated as eps's from harfbuzz / cairo with embedded fonts,
then passes then latex and drips then Ghostscript. I first suspect a generic
issue with one of the generating tools as the 2nd issue affect every viewer on
Linux (the first issue is xpdf specific). But current acrobat reader on android
display the expected result.
I tried also the official binaries (both 32-bit and 64-bit) from the xpdf
website, just in case. (my system is mostly fedora 28, but the 32-bit freetype
is 2.9.1 as is from fedora 29, while the 64-bit freetype is based on fedora
29's but modified with the current fontval patch)
I also have a small complaint about the new 4.0 GUI - the navigation
forward/backward buttons don't do next/previous page, but does some kind of
history navigation - e.g. If you do page 1, then jump to page 50 with the
explicit page number input, then press the backward button, it goes back to
page 1 rather than page 49. Also "n" and "p" don't work like the 3.0
motif/lesstif GUI... So navigation is a bit painful with the 4.0 GUI.
Hin-Tak
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