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Image Output

shadcn-styled frames around Shiny's reactive imageOutput/renderImage raster outputs.

Interactive Playground

R Code

API Reference

block_image_output()

Frames a reactive shiny::imageOutput() (renderImage()) in a shadcn-styled aspect/border/radius/caption box. App-author server code stays vanilla Shiny.

Argument	Type	Default	Description
id	character	required	Shiny output id, passed verbatim to imageOutput().
width	character	`"100%"`	CSS width forwarded to the Shiny output and mirrored on the media box.
height	character	`NULL`	CSS height. NULL resolves to "100%" when aspect is set, else Shiny's default.
aspect	character \| numeric	`NULL`	Media-box aspect ratio: NULL, a positive number, or a "w/h" string.
fit	character	`"cover"`	object-fit for the rendered image: cover, contain, fill, none, scale-down.
border	logical	`FALSE`	Draw a border around the media box.
rounded	logical	`TRUE`	Round the media box corners (and clip overflow).
caption	character	`NULL`	Optional <figcaption> text below the media box.
click / dblclick / hover / brush	character \| *Opts()	`NULL`	Forwarded to the Shiny output unchanged.
inline	logical	`FALSE`	Forwarded to the Shiny output unchanged.
fill	logical	`FALSE`	Forwarded to the Shiny output; matches shiny::imageOutput().
class	character	`NULL`	Additional classes for the <figure> wrapper.
style	character	`NULL`	Inline style for the <figure> wrapper.