resize in image-snip%

Resizes the snip. The snip can refuse to be resized by returning #f. Otherwise, the snip will resize (it must call its administrator's resized method) and return #t.

See also on-interactive-resize in pasteboard%.

• (send an-image-snip resize w h) -> void
     w : non-negative real number
     h : non-negative real number

  The bitmap will be cropped to fit in the given dimensions.