Sha256: 1a0db78521b581e49d360a22f7aa86f82ca530d0e0320fd645f6dca6ea3e8f22
Contents?: true
Size: 938 Bytes
Versions: 15
Compression:
Stored size: 938 Bytes
Contents
#! /usr/local/bin/ruby -w
require 'RMagick'
imgl = Magick::ImageList.new
imgl.new_image(390, 360, 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(20,180, 20,30, 320, 330, 320,180)
# Draw circles around endpoints
gc.fill_opacity(0)
gc.stroke('gray50').stroke_width(1)
gc.circle(20,180, 23, 183)
gc.circle(320,180, 323, 183)
# Draw filled circles around control points
gc.line(20,180, 20,30)
gc.line(320,180, 320,330)
gc.fill_opacity(1)
gc.fill('gray50')
gc.circle(20,30, 23,33)
gc.circle(320,330, 323,333)
# Annotate
gc.font_weight(Magick::NormalWeight)
gc.font_style(Magick::NormalStyle)
gc.fill('black')
gc.stroke('transparent')
gc.text(29,180, "'20,180'")
gc.text(29,33, "'20,30'")
gc.text(329,330, "'320,330'")
gc.text(329,180, "'320,180'")
gc.draw(imgl)
imgl.border!(1,1, "lightcyan2")
imgl.write('cbezier4.gif')
exit(0)
Version data entries
15 entries across 15 versions & 2 rubygems