1722030 - [XFA] Severely bad render of a long PDF form

Status: VERIFIED FIXED

(Firefox :: PDF Viewer, defect, P1)

Description

[Daniel Bodea [:danibodea]]

Note

• When the user loads a specific PDF, he will notice that the browser will show a severely bad rendering of the file.

Affected versions

• Nightly v92.0a1

Affected platforms

• all

Steps to reproduce

1. Launch browser.
2. Flip the pdfjs.enableXfa to true.
3. Load the attached PDF file.

Expected result

• The file is loaded and displayed correctly.

Actual result

• Severely bad rendering is displayed.

Regression range

• Not a regression.

Additional information:

Comment 1

[Daniel Bodea [:danibodea]]

Attachment: GHOSTSCRIPT-697526-0.pdf

Comment 2

[Daniel Bodea [:danibodea]]

Attachment: severely bad rendering.png

Comment 3

[Daniel Bodea [:danibodea]]

Attachment: LIBRE_OFFICE-102185-0.pdf

Similar behavior is seen here.

Comment 4

[Daniel Bodea [:danibodea]]

Attachment: another bad rendering.png

Comment 5

[GitHub Bugzilla PR Linker]

Attachment: Link to GitHub pull-request: https://github.com/mozilla/pdf.js/pull/13806

Comment 6

[Calixte Denizet (:calixte)]

:danibodea, the second pdf is buggy because we don't support embedded JS, could you file another bug for it please ?

Comment 7

[Raluca Popovici, Desktop QA]

I have reported another bug for the second pdf: https://bugzilla.mozilla.org/show_bug.cgi?id=1722695

Comment 8

[GitHub Bugzilla PR Linker]

Attachment: Link to GitHub master push: https://github.com/mozilla/pdf.js/commit/ac5c4b7fd0a16c4b79cb08533ab580c5131ea35c

Commit merged into master by GitHub
Authored by calixteman (calixteman)

Comment 9

[Daniel Bodea [:danibodea]]

I will verify this bug as a partial fix for the first PDF attached because it is a bit better rendered, but there are still other issues observed related to general alignment, reported in bug 1723135.
The second PDF is a different issue and reported separately as noted in comment 6 and comment 7.