canvaskit-wasm 0.39 build 2026-04-29

BlurStyle

How MaskFilter.MakeBlur blurs a shape's alpha mask relative to the original outline.

All values

ValueBehavior
NormalSoft halo on both sides of the outline. The shape's edges fade in and out.
SolidSharp original shape + outer halo. Used for a "glow" outside a crisp shape.
OuterOuter halo only — the shape itself is dropped. Useful when you want to draw the shape and its glow separately.
InnerInner halo only — the outside is dropped. Fades inward from the outline.

See also