Closed Bug 1691275 Opened 4 years ago Closed 4 years ago

CSS image-set() requests a wrong image resource

Categories

(Core :: CSS Parsing and Computation, defect)

Product:
Core
Component:
CSS Parsing and Computation
Version:
Firefox 87
Type:
defect

Tracking

()

Status:
RESOLVED INVALID

People

(Reporter: nayinain, Unassigned)

References

Details

Attachments

(2 files)

testcase.html
(deleted), text/html
Details
Screenshots.png
(deleted), image/png
Details
Attached file testcase.html (deleted) —

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

Steps to reproduce:

  1. Set layout.css.devPixelsPerPx to 1.15 in the about:config.
  2. Open the testcase.html.
  3. Open the Network Monitor (Ctrl+shift+E).
  4. Reload the page.

Actual results:

"logo@2x.png" was requested.

Expected results:

"logo.png" should be requested.

Attached image Screenshots.png (deleted) —
Blocks: image-set

That's the expected behavior with 1.15dppx. It's the same behavior as:

<!doctype html>
<img srcset="https://pannss.bdstatic.com/m-static/disk-header/header/img/logo.png 1x, https://pannss.bdstatic.com/m-static/disk-header/header/img/logo@2x.png 2x">

So unless I'm misunderstanding something this is invalid. But please feel free to reopen if that's wrong somehow.

Status: UNCONFIRMED → RESOLVED
Closed: 4 years ago
Resolution: --- → INVALID
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