#!/usr/bin/ruby -w require 'RMagick' # Demonstrate the Image#color_point method f = Magick::Image.new(100,100) { self.background_color = 'white' } red = Magick::Pixel.from_color('red') f = f.color_point(50,50, red) circle = Magick::Draw.new circle.stroke('gray50') circle.fill_opacity(0) circle.circle(50,50,55,55) circle.draw(f) f = f.border(1,1,'black') #f.display f.write('color_point.gif') exit