Sha256: d83ebb8a72d1225d72b52def735686b7b13d6a577fa0e64c47bc6d3d7a356149

Contents?: true

Size: 647 Bytes

Versions: 6

Compression:

Stored size: 647 Bytes

Contents

#!/usr/bin/env ruby -w

require 'rmagick'

img = Magick::Image.read('images/Flower_Hat.jpg').first
imgs = Magick::ImageList.new

imgs << img
imgs << img.channel(Magick::RedChannel)
imgs.cur_image['Label'] = 'RedChannel'
imgs <<  img.channel(Magick::GreenChannel)
imgs.cur_image['Label'] = 'GreenChannel'
imgs << img.channel(Magick::BlueChannel)
imgs.cur_image['Label'] = 'BlueChannel'

result = imgs.montage do
  self.tile = '2x2'
  self.background_color = 'black'
  self.stroke = 'transparent'
  self.fill = 'white'
  self.pointsize = 9
  self.geometry = Magick::Geometry.new(img.columns / 2, img.rows / 2, 5, 5)
end

result.write('channel.jpg')

Version data entries

6 entries across 6 versions & 1 rubygems

Version Path
rmagick-4.1.0.rc2 doc/ex/channel.rb
rmagick-4.1.0.rc1 doc/ex/channel.rb
rmagick-4.0.0 doc/ex/channel.rb
rmagick-3.2.0 doc/ex/channel.rb
rmagick-3.1.0 doc/ex/channel.rb
rmagick-3.0.0 doc/ex/channel.rb