class Magick::RVG::PolyShape

Public Instance Methods

polypoints(points) click to toggle source
# File lib/rvg/embellishable.rb, line 104
def polypoints(points)
    case points.length
        when 1
            points = Array(points[0])
        when 2
            x_coords = Array(points[0])
            y_coords = Array(points[1])
            unless x_coords.length > 0 && y_coords.length > 0
                fail ArgumentError, 'array arguments must contain at least one point'
            end
            n = x_coords.length - y_coords.length
            short = n > 0 ? y_coords : x_coords
            olen = short.length
            n.abs.times {|x| short << short[x % olen]}
            points = x_coords.zip(y_coords).flatten
    end
    n = points.length
    if n < 4 || n.odd?
        fail ArgumentError, "insufficient/odd number of points specified: #{n}"
    end
    Magick::RVG.convert_to_float(*points)
end