- From: Karl Dubost via GitHub <noreply@w3.org>
- Date: Wed, 17 Dec 2025 12:59:25 +0000
- To: public-svg-issues@w3.org
The naturalWidth and naturalHeight as defined in the HTML spec. https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-naturalwidth > The IDL attributes naturalWidth and naturalHeight must return the [density-corrected natural width and height](https://html.spec.whatwg.org/multipage/images.html#density-corrected-intrinsic-width-and-height) of the image, in [CSS pixels](https://drafts.csswg.org/css-values/#px), if the image has [density-corrected natural width and height](https://html.spec.whatwg.org/multipage/images.html#density-corrected-intrinsic-width-and-height) and is [available](https://html.spec.whatwg.org/multipage/images.html#img-available), or else 0. [[CSS]](https://html.spec.whatwg.org/multipage/references.html#refsCSS) which is explained in > To determine the density-corrected natural width and height of an [img](https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-element) element img: > > Let dim be img's [current request](https://html.spec.whatwg.org/multipage/images.html#current-request)'s [preferred density-corrected dimensions](https://html.spec.whatwg.org/multipage/images.html#preferred-density-corrected-dimensions). > > The [preferred density-corrected dimensions](https://html.spec.whatwg.org/multipage/images.html#preferred-density-corrected-dimensions) are set in the [prepare an image for presentation](https://html.spec.whatwg.org/multipage/images.html#prepare-an-image-for-presentation) algorithm based on meta information in the image. > > If dim is null, set dim to img's [natural dimensions](https://drafts.csswg.org/css-images/#natural-dimensions). > > Set dim's width to dim's width divided by img's [current request](https://html.spec.whatwg.org/multipage/images.html#current-request)'s [current pixel density](https://html.spec.whatwg.org/multipage/images.html#current-pixel-density). > > Set dim's height to dim's height divided by img's [current request](https://html.spec.whatwg.org/multipage/images.html#current-request)'s [current pixel density](https://html.spec.whatwg.org/multipage/images.html#current-pixel-density). > > Return dim. -- GitHub Notification of comment by karlcow Please view or discuss this issue at https://github.com/w3c/svgwg/issues/1044#issuecomment-3665238650 using your GitHub account -- Sent via github-notify-ml as configured in https://github.com/w3c/github-notify-ml-config
Received on Wednesday, 17 December 2025 12:59:26 UTC