Optional clip path. When set, the renderer rasterizes this path into
the stencil buffer before drawing children; the children paint only
where the clip covers. Nested groups with clips intersect — a child
cannot escape an ancestor's clip. Max 7 nesting levels; the renderer
throws if exceeded.
OptionalcolorMatrix
colorMatrix?:number[]
Optional 4×5 color matrix (row-major, 20 numbers) — out = M₄ₓ₄ * in + bias.
Accumulated multiplicatively down the group stack. Defaults to identity.
Optional clip path. When set, the renderer rasterizes this path into the stencil buffer before drawing
children; the children paint only where the clip covers. Nested groups with clips intersect — a child cannot escape an ancestor's clip. Max 7 nesting levels; the renderer throws if exceeded.