Overlay a mask on the canvas

Overlay a mask on the canvas

Usage

at_canvas_set_overlay(proxy, mask, alpha = 0.5, call = rlang::caller_env())

Arguments

proxy

An atcanvas_proxy.

mask

An annot_mask.

alpha

Overlay opacity. Default 0.5.

call

The calling environment, for error reporting.

Value

The proxy, invisibly.

See also

Other shiny: atCanvasOutput(), at_annotate(), at_canvas(), at_canvas_fit(), at_canvas_proxy(), at_canvas_set_annotations(), at_canvas_set_band(), at_canvas_set_tool(), at_tile_source(), renderAtCanvas()