LibWeb/CSS: Implement mix-blend-mode

This adds support for the `mix-blend-mode` CSS property.
Author: https://github.com/skyz1 Commit: 0fe30886f5 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3267 Reviewed-by: https://github.com/AtkinsSJ ✅ Reviewed-by: https://github.com/konradekk
2025-09-08 18:46:03 +00:00 · 2025-01-22 09:50:49 +01:00 · 2025-01-22 09:50:49 +01:00 · 0fe30886f5 · 2025-02-05 11:28:01 +00:00
commit 0fe30886f5
parent 8575bddfe6
24 changed files with 311 additions and 57 deletions
--- a/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt
+++ b/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt
@ -1,6 +1,6 @@
 All supported properties and their default values exposed from CSSStyleDeclaration from getComputedStyle:
 'cssText': ''
-'length': '218'
+'length': '219'
 'parentRule': 'null'
 'cssFloat': 'none'
 'WebkitAlignContent': 'normal'
@ -455,6 +455,8 @@ All supported properties and their default values exposed from CSSStyleDeclarati
 'min-inline-size': '0px'
 'minWidth': 'auto'
 'min-width': 'auto'
+'mixBlendMode': 'normal'
+'mix-blend-mode': 'normal'
 'objectFit': 'fill'
 'object-fit': 'fill'
 'objectPosition': '50% 50%'