285963 2025-01-14 19:04:24 -0800 Remove composite attribute on HTMLImageElement 2025-01-17 09:55:03 -0800 1 1 1 Unclassified WebKit Images WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 karlcow karlcow sabouhallawa webkit-bug-importer oldest_to_newest 2087298 0 karlcow 2025-01-14 19:04:24 -0800 https://searchfox.org/wubkat/rev/19fb3bc3aa27a28183dbc388d1ba5df1cbb2feb6/Source/WebCore/html/HTMLImageElement.cpp#400-406 ```cpp case AttributeNames::compositeAttr: { // FIXME: images don't support blend modes in their compositing attribute. BlendMode blendOp = BlendMode::Normal; if (!parseCompositeAndBlendOperator(newValue, m_compositeOperator, blendOp)) m_compositeOperator = CompositeOperator::SourceOver; break; } ``` This was added on Apr 27, 2004 (thanks Simon Fraser for the archeology) https://commits.webkit.org/5738@main ``` WebKit: Added support for specifying composite operation on an image element, i.e.: <img composite="source-over" src="triangle.png"> <img style="position:relative; left:-200px;" composite="destination-in" src="circle.png"> This feature was requested by the dashboard guys. They can use it to apply transparency masks to widgies. ``` Which means it could probably be removed. 2087985 1 webkit-bug-importer 2025-01-16 23:46:36 -0800 <rdar://problem/143109250> 2087986 2 karlcow 2025-01-16 23:50:52 -0800 Pull request: https://github.com/WebKit/WebKit/pull/39182 2088072 3 ews-feeder 2025-01-17 09:55:01 -0800 Committed 289071@main (7c0fc80dff6b): <https://commits.webkit.org/289071@main> Reviewed commits have been landed. Closing PR #39182 and removing active labels.