Sha256: b3c39371f23d26d7dfcc72bd3063c4ae6f37cd789f48d9dadb7a3d40cb6c6013

Contents?: true

Size: 1.24 KB

Versions: 13

Compression:

Stored size: 1.24 KB

Contents

#!/usr/bin/env ruby -w

require 'rmagick'

points = [145, 65, 174,151, 264,151, 192,205,
          218,291, 145,240,  72,291,  98,205,
          26,151, 116,151]

pr = Magick::Draw.new

# Define a clip-path.
# The name of the clip-path is "example"
pr.define_clip_path('example') do
  pr.polygon(*points)
end

# Enable the clip-path
pr.push
pr.clip_path('example')

# Composite the Flower Hat image over
# the background using the clip-path
girl = Magick::ImageList.new
girl.read('images/Flower_Hat.jpg')

cols = rows = nil

# Our final image is about 280 pixels wide, so here
# we widen our picture to fit. The change_geometry
# method will adjust the height proportionately.

girl.change_geometry('280') do |c,r|
  pr.composite(0,0, c, r, girl)
  cols = c
  rows = r
end

pr.pop

# Create a canvas to draw on, a bit bigger than the star.
canvas = Magick::Image.new(cols, rows)

star = Magick::Draw.new
star.stroke('gray50')
star.fill('gray50')
points.map! {|p| p + 8}
star.polygon(*points)
star.draw(canvas)
canvas = canvas.blur_image(0, 3)

# Draw the star shadow over the background
pr.draw(canvas)

# Crop away all the solid white border pixels.
crop = canvas.bounding_box
canvas.crop!(crop.x, crop.y, crop.width, crop.height)

canvas.write('clip_path.gif')

exit

Version data entries

13 entries across 13 versions & 3 rubygems

Version Path
rmagick-windows-2.16.5 doc/ex/clip_path.rb
rmagick-windows-2.16.4 doc/ex/clip_path.rb
rmagick-windows-2.16.3 doc/ex/clip_path.rb
rmagick-windows-2.16.2 doc/ex/clip_path.rb
rmagick-windows-2.16.1 doc/ex/clip_path.rb
mdg-1.0.1 vendor/bundle/ruby/2.3.0/gems/rmagick-2.16.0/doc/ex/clip_path.rb
rmagick-2.16.0 doc/ex/clip_path.rb
rmagick-2.15.4 doc/ex/clip_path.rb
rmagick-2.15.3 doc/ex/clip_path.rb
rmagick-2.15.2 doc/ex/clip_path.rb
rmagick-2.15.1 doc/ex/clip_path.rb
rmagick-2.15.0 doc/ex/clip_path.rb
rmagick-2.14.0 doc/ex/clip_path.rb