line-location

   

Given a line number, returns the graphic location of the line.

• (send a-wx:media-edit line-location line top?) -> inexact real
      line : small integer
      top? = #t : boolean

  If top? is not #f, the location for the top of the line is returned; otherwise, the the location for the bottom of the line is returned.

  Only valid when the buffer is viewed.