Sha256: 9384db59a82c025d865f3cff453761bd117b58ccab214dac075f542388f50654
Contents?: true
Size: 933 Bytes
Versions: 15
Compression:
Stored size: 933 Bytes
Contents
#! /usr/local/bin/ruby -w
require 'RMagick'
imgl = Magick::ImageList.new
imgl.new_image(390, 150, Magick::HatchFill.new('white','lightcyan2'))
gc = Magick::Draw.new
# Draw Bezier curve
gc.stroke('red')
gc.stroke_width(3)
gc.fill_opacity(0)
gc.bezier(20,120, 95,20, 245,20, 320,120)
# Draw circles around endpoints
gc.fill_opacity(0)
gc.stroke('gray50').stroke_width(1)
gc.circle(20,120, 23, 123)
gc.circle(320,120, 323, 123)
# Draw filled circles around control points
gc.line(20,120, 95,20)
gc.line(320,120, 245,20)
gc.fill_opacity(1)
gc.fill('gray50')
gc.circle(95,20, 98,23)
gc.circle(245,20, 248,23)
# Annotate
gc.font_weight(Magick::NormalWeight)
gc.font_style(Magick::NormalStyle)
gc.fill('black')
gc.stroke('transparent')
gc.text(29,120, "'20,120'")
gc.text(104,20, "'95,20'")
gc.text(254,20, "'245,20'")
gc.text(329,120, "'320,120'")
gc.draw(imgl)
imgl.border!(1,1, 'lightcyan2')
imgl.write('cbezier5.gif')
exit(0)
Version data entries
15 entries across 15 versions & 2 rubygems