mozilla / mozilla/pdf.js

[Bug]: Broken rendering of Ikea manual

Open
#21,542 2 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

core os-android
Dominant language
JavaScript
Stars
53.9k
Forks
10.7k
Avg merge
18h 38m
Merged PRs (30d)
130

Description

Attach (recommended) or Link to PDF file

vattudalen-lavello-incasso-1-vasca-sgocciolat-inox__AA-1793060-8-2(1).pdf

Web browser and its version

Firefox 154

Operating system and its version

Android

PDF.js version

built-in browser viewer

Is the bug present in the latest PDF.js version?

Yes

Is a browser extension

No

Steps to reproduce the problem

Go to page 6 and zoom in

What is the expected behavior?

Not leak those black lines

What went wrong?
Image
Link to a viewer

No response

Additional context

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by opening the attached PDF in the built-in browser viewer, navigating to page 6, and zooming in to reproduce the black-line artifacts. Investigate the PDF.js rendering path responsible for that page; done means the manual renders without the leaked black lines at the reported zoom level.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.