Sha256: 7f492bd6407185d64d5e45422183a9b86dc50d9dbb43015bc730cf00765a3fa1

Contents?: true

Size: 1.19 KB

Versions: 15

Compression:

Stored size: 1.19 KB

Contents

#! /usr/local/bin/ruby -w

require 'RMagick'

imgl = Magick::ImageList.new
imgl.new_image(400, 300, Magick::HatchFill.new('white','lightcyan2'))

gc = Magick::Draw.new

# Draw Bezier curve
gc.stroke('red')
gc.stroke_width(2)
gc.fill_opacity(0)
gc.bezier(50,150, 50,50, 200,50, 200,150, 200,250, 350,250, 350,150)

# Draw filled circles for the control points
gc.fill('gray50')
gc.stroke('gray50')
gc.fill_opacity(1)
gc.circle(50,50, 53,53)
gc.circle(200,50, 203,53)
gc.circle(200,250, 203,253)
gc.circle(350,250, 353,253)

# Draw circles on the points the curve passes through
gc.fill_opacity(0)
gc.circle(50,150, 53,153)
gc.circle(200,150, 203,153)
gc.circle(350,150, 353,153)

# Draw the gray lines between points and control points
gc.line(50,50, 50,150)
gc.line(200,50, 200,250)
gc.line(350,150, 350,250)

# Annotate
gc.font_weight(Magick::NormalWeight)
gc.font_style(Magick::NormalStyle)
gc.fill('black')
gc.stroke('transparent')
gc.text(30,170, "'50,150'")
gc.text(30, 40, "'50,50'")
gc.text(180,40, "'200,50'")
gc.text(210,155,"'200,150'")
gc.text(180,270,"'200,250'")
gc.text(330,270,"'350,250'")
gc.text(330,140,"'350,150'")
gc.draw(imgl)

imgl.border!(1,1, 'lightcyan2')

imgl.write("cbezier6.gif")
exit

Version data entries

15 entries across 15 versions & 2 rubygems

Version Path
rmagick-2.13.4 doc/ex/cbezier6.rb
rmagick-2.13.3 doc/ex/cbezier6.rb
rmagick-2.13.3.rc1 doc/ex/cbezier6.rb
rmagick-2.13.2 doc/ex/cbezier6.rb
rdp-rmagick-0.0.0 doc/ex/cbezier6.rb
rmagick-2.13.1 doc/ex/cbezier6.rb
rmagick-2.12.2 doc/ex/cbezier6.rb
rmagick-2.12.1 doc/ex/cbezier6.rb
rmagick-2.12.0 doc/ex/cbezier6.rb
rmagick-2.11.1 doc/ex/cbezier6.rb
rmagick-2.10.0 doc/ex/cbezier6.rb
rmagick-2.11.0 doc/ex/cbezier6.rb
rmagick-2.9.0 doc/ex/cbezier6.rb
rmagick-2.9.1 doc/ex/cbezier6.rb
rmagick-2.9.2 doc/ex/cbezier6.rb