Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f5c941fbf0500ebfc89755fb40d972d2f226cea6
https://github.com/WebKit/WebKit/commit/f5c941fbf0500ebfc89755fb40d972d2f226cea6
Author: Georges Basile Stavracas Neto <[email protected]>
Date: 2024-02-17 (Sat, 17 Feb 2024)
Changed paths:
M Source/WebCore/platform/graphics/skia/GraphicsContextSkia.cpp
Log Message:
-----------
[Skia] Implement outset drop shadows
https://bugs.webkit.org/show_bug.cgi?id=269596
Reviewed by Nikolas Zimmermann.
Whenever the GraphicsContext has a drop shadow set, use that to create
and set a SkImageFilters::DropShadow() image effect to the fill paint.
Stroke paints are unaffected.
The SkImageFilters::DropShadow() receives a blur sigma instead of radius
and the formal definition of that [1] states that sigma is half of the
blur radius, so convert between these values.
This only implements outset shadows. Inset shadows won't be rendered
anyway because GraphicsContextSkia::fillRectWithRoundedHole() is not
implemented yet.
[1] https://html.spec.whatwg.org/multipage/canvas.html#shadows
* Source/WebCore/platform/graphics/skia/GraphicsContextSkia.cpp:
(WebCore::GraphicsContextSkia::createFillPaint const):
Canonical link: https://commits.webkit.org/274928@main
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