[Bug 769827] Re: poppler cannot parse font weight "Medium"

[Nobuto MURATA]

I have tried to forward this to upstream, but already reported as
https://bugs.freedesktop.org/show_bug.cgi?id=36474. It mainly handles
other problems (properly fall back to Japanese font when font does not
have Japanese glyphs), but contains my patch too. What should I do?

** Bug watch added: freedesktop.org Bugzilla #36474
   http://bugs.freedesktop.org/show_bug.cgi?id=36474

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https://bugs.launchpad.net/bugs/769827

Title:
  poppler cannot parse font weight "Medium"

Status in “poppler” package in Ubuntu:
  Confirmed

Bug description:
  poppler library cannot parse font weight "Medium".
  Therefore in Japanese(ja) locale, characters which are not font-embedded but specified as "GothicBBB" are shown as squares and not readable.
  See attached screenshot.
  https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/769827/+attachment/2086084/+files/actual.png

  GothicBBB is widely used as Japanese sans-serif(gothic) font. It has
  the full name "GothicBBB-Medium-Identity-{H,V}" in properties window
  on such as Evince. But poppler library cannot parse "Medium" string,
  so does not hit <string>GothicBBB</string> in fontconfig settings on
  /etc/fonts/conf.d/69-language-selector-ja-jp.conf.

  On the other hand, Ryumin which is widely used as Japanese
  serif(mincho) font has the name "Ryumin-Light-Identity-{H,V}", but
  does hit <string>Ryumin</string>.

  How to reproduce:
   1. intall Ubuntu in Japanese(ja) locale
   2. confirm poppler-data, ttf-takao-{mincho,gothic} installed and "/etc/fonts/conf.d/69-language-selector-ja-jp.conf -> /etc/fonts/conf.avail/69-language-selector-ja-jp.conf" symlink created.
   3. open attached PDF file
      https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/769827/+attachment/2086089/+files/g_non_emb.pdf

  Expected:
   all characters are showed properly
   https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/769827/+attachment/2086087/+files/expected.png

  Actual:
   upper-right characters which are specified as GothicBBB are showed as squares
   https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/769827/+attachment/2086084/+files/actual.png

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: poppler-utils 0.16.4-0ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  Architecture: i386
  Date: Sun Apr 24 10:09:07 2011
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110423)
  ProcEnviron:
   LANGUAGE=ja_JP:en
   LANG=ja_JP.UTF-8
   SHELL=/bin/bash
  SourcePackage: poppler
  UpgradeStatus: No upgrade log present (probably fresh install)