RMagick

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RMagick is an interface between the Ruby programming language and the ImageMagick and GraphicsMagick image processing libraries.
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RMagick is an interface between the Ruby programming language and the [[ImageMagick]] and [[GraphicsMagick]] image processing libraries.
  
 
[[Image:RMagick-framed_wave.jpg|thumb|right|Wave]]
 
[[Image:RMagick-framed_wave.jpg|thumb|right|Wave]]
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test:
 
test:
 
  ruby -rrubygems -e "require 'RMagick'; puts Magick::Long_version;"
 
  ruby -rrubygems -e "require 'RMagick'; puts Magick::Long_version;"
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[[Category:Graphics]]
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[[Category:Ruby]]

2010年8月22日 (日) 02:39的最后版本

RMagick is an interface between the Ruby programming language and the ImageMagick and GraphicsMagick image processing libraries.

Wave
require 'RMagick'
clown = Magick::ImageList.new("clown.jpg")
clown = clown.wave(10, 200)
clown.write('wave.jpg')
Turn it into black-and-white
require 'RMagick'
clown = Magick::ImageList.new("clown.jpg")
clown = clown.quantize(256, Magick::GRAYColorspace)
clown.write('monochrome.jpg')

http://rmagick.rubyforge.org/

[编辑] Install

rpm -qa | grep -i 'ImageMagick' or yum list installed | grep ImageMagick

命令总结:

yum install ImageMagick.x86_64 -y
yum install ImageMagick-devel.x86_64 -y
yum install freetype
yum install gd-devel
wget http://www.osresources.com/files/centos-windows-fonts/msfonts.tbz
mkdir /usr/share/fonts/default/TrueType
tar xvjpf msfonts.tbz -C /usr/share/fonts/default/TrueType/
gem install rmagick

test:

ruby -rrubygems -e "require 'RMagick'; puts Magick::Long_version;"
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