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LibWeb: Bring HTMLImageElement closer to spec

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This commit is contained in:
Igor Pissolati 2022-04-12 13:20:43 -03:00 committed by Andreas Kling
parent 682a4a347a
commit e5d978af9f
Notes: sideshowbarker 2024-07-17 11:53:40 +09:00 
Author: https://github.com/Igoorx
Commit: https://github.com/SerenityOS/serenity/commit/e5d978af9f
Pull-request: https://github.com/SerenityOS/serenity/pull/13638
3 changed files with 29 additions and 0 deletions
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24
Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
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@ -138,4 +138,28 @@ void HTMLImageElement::set_height(unsigned height)
set_attribute(HTML::AttributeNames::height, String::number(height));
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-naturalwidth
unsigned HTMLImageElement::natural_width() const
{
// Return the density-corrected intrinsic width of the image, in CSS pixels,
// if the image has intrinsic dimensions and is available.
if (m_image_loader.has_image())
return m_image_loader.width();
// ...or else 0.
return 0;
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-naturalheight
unsigned HTMLImageElement::natural_height() const
{
// Return the density-corrected intrinsic height of the image, in CSS pixels,
// if the image has intrinsic dimensions and is available.
if (m_image_loader.has_image())
return m_image_loader.height();
// ...or else 0.
return 0;
}
}

3
Userland/Libraries/LibWeb/HTML/HTMLImageElement.h
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@ -39,6 +39,9 @@ public:
unsigned height() const;
void set_height(unsigned);
unsigned natural_width() const;
unsigned natural_height() const;
private:
virtual void apply_presentational_hints(CSS::StyleProperties&) const override;

2
Userland/Libraries/LibWeb/HTML/HTMLImageElement.idl
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@ -15,5 +15,7 @@ interface HTMLImageElement : HTMLElement {
[CEReactions] attribute unsigned long width;
[CEReactions] attribute unsigned long height;
readonly attribute unsigned long naturalWidth;
readonly attribute unsigned long naturalHeight;
};