#!/usr/bin/ruby -w require 'RMagick' i = Magick::ImageList.new i.new_image(250, 250, Magick::HatchFill.new('LightCyan')) gc = Magick::Draw.new # Draw 3 lines in 3 colors. # Make each line 2 pixels wide. gc.stroke('red') gc.stroke_width(2) gc.line(50,50, 50,200) gc.stroke('blue') gc.line(50,200, 200,200) gc.stroke('green') gc.line(200,200, 50,50) # Identify the endpoints with gray circles gc.stroke('gray50') gc.stroke_width(1) gc.fill_opacity(0) gc.circle(50,50, 53,53) gc.circle(50,200, 53,203) gc.circle(200,200, 203,203) # Annotate the endpoints gc.fill('black') gc.stroke('transparent') gc.text(30,40, "'50,50'") gc.text(30,220, "'50,200'") gc.text(180, 220, "'200,200'") gc.draw(i) #i.display i.write("line.gif")