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Canvas context "alpha" attribute

Category

Graphics

Type

New or changed feature

Status

Enabled by default (Chrome 32)

Intent stage

None

Summary

Allow the specification of a 2D canvas with an opaque backing store (alpha: false). Speeds up compositing. Enables LCD text anti-aliasing.

Standards & signals

• Specification: http://wiki.whatwg.org/wiki/CanvasOpaque
• Firefox: Shipped/Shipping
• Safari: No signal
• Web developers: No signals
• Tracking bug: http://crbug.com/234297

View on chromestatus.com