# File lib/RMagick.rb, line 998
    def resize_to_fill!(ncols, nrows=nil, gravity=CenterGravity)
        nrows ||= ncols
        if ncols != columns || nrows != rows
            scale = [ncols/columns.to_f, nrows/rows.to_f].max
            resize!(scale*columns+0.5, scale*rows+0.5)
        end
        crop!(gravity, ncols, nrows, true) if ncols != columns || nrows != rows
        self
    end