Chars are rendered incorrectly

[automatedbugreportingfacility]

This is a regression. Windows 7, ClearType disabled:

URL: http://www.upc.pl/pdf/upc_cennik_uslug_wazny_od_luty_2014.pdf
0.8.759: http://i.imgur.com/mucKg6C.png
1.0.2: http://i.imgur.com/4O8UEgz.png

[Snuffleupagus]

@automatedbugreportingfacility Would you be able to bisect where this regressed?
See https://github.com/mozilla/pdf.js/wiki/Bisecting-a-Regression.

[yurydelendik]

@automatedbugreportingfacility I was unable to replicate the problem on Windows 7 ClearType disabled. Could you copy'n'paste the Graphics section from the the about:support?

[yurydelendik]

Also, can you replicate the issue at http://mzl.la/pdf-js ?

[automatedbugreportingfacility]

b5b94a4 is the first bad commit
commit b5b94a4
Author: Brendan Dahl
Date: Tue Feb 11 10:27:09 2014 -0800

Use built in CMaps and unify the glyph mapping.

[automatedbugreportingfacility]

Could you copy'n'paste the Graphics section from the the about:support?

http://i.imgur.com/IYUeluq.png

Also, can you replicate the issue at http://mzl.la/pdf-js ?

Yes.

[yurydelendik]

Hmm, DirectWrite 6.1 on Window 7. Problem is: it's almost impossible to find such configuration (IE10/11 updates to 6.2). I can only speculate that it's numGlyphs issue specified at #4573 (comment), no way for me to verify the fix atm

[automatedbugreportingfacility]

Problem is: it's almost impossible to find such configuration (IE10/11 updates to 6.2).

IE10/11 requires a Windows platform update that in combination with my GPU driver causes rendering bugs in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=812695

If you have a fix for this issue, I can verify it for you. Btw, the PDF in the bug you linked to is broken here too: http://i.imgur.com/Ag2iSCT.png

[yurydelendik]

@automatedbugreportingfacility can you try version at #4612 ?

[automatedbugreportingfacility]

It fixes the problem.