w3c / w3c/csswg-drafts

[css-images-4] Add a parameter to image-set for HDR images

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css-images-4
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Description

image-set has a <resolution> parameter which specifies the pixel density at which to prefer certain image resources. It'd be great to also include the HDR dimension, similar to the dynamic-range media query, to make it easier for developers to provide images optimized for HDR displays only when such a display is used.

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 with the issue text and the linked dynamic-range media-query reference. Define how an HDR dimension would integrate with image-set alongside resolution, including its syntax and selection behavior; the work is done when the CSS Images 4 proposal is agreed and specified.

Written by the indexing model from the issue text.

Assessment

Tech stack
css
Domain
frontend, web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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