1071504 - PDF text rendering bug in Windows high contrast mode

Status: RESOLVED DUPLICATE of bug 844349

(Firefox :: PDF Viewer, defect, P3)

Description

[b.bellec]

Attachment: high_contrast.png

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:32.0) Gecko/20100101 Firefox/32.0
Build ID: 20140831201947

Steps to reproduce:

- Set Windows 7 in High contrast mode (see. Attachement).
- Open a PDF within Firefox, for instance this one : http://www.openoffice.org/fr/Documentation/How-to/General/02pdffr.pdf

Bug tested on Windows 7 (64-bit) with Firefox 31.1.0esr and 24.8.0esr.


Actual results:

The text seems to be rendered twice.


Expected results:

Text correctly rendered.

Comment 1

[Loic]

Please, could upload a screenshot of the bad rendering at high constrast.

Comment 2

[b.bellec]

Attachment: good_rendering.png

Comment 3

[b.bellec]

Attachment: bad_rendering.png

Comment 4

[:Gijs (he/him)]

I expect we need a way for PDFjs to not be affected by the use_document_colors stuff that hcm implies, or some other way to avoid the double rendering... What do other PDF rendering apps do in HCM?

Comment 5

[David Bolter [:davidb] (NeedInfo me for attention)]

Why is there double rendering? It sounds like we should sort that out regardless as it may point to a deep bug.

Comment 6

[Yury Delendik (:yury)]

> Why is there double rendering?

That's not a double rendering -- that's a text layer for the selection and highlight operation. For some reason CSS styles to hide it are disabled in the high contract mode.