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RMagick
来自开放百科 - 灰狐
（版本间的差异）
| （未显示2个用户的7个中间版本） | |||
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| − | RMagick is an interface between the Ruby programming language and the ImageMagick and GraphicsMagick image processing libraries. | + | 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]] | ||
require 'RMagick' | require 'RMagick' | ||
clown = Magick::ImageList.new("clown.jpg") | clown = Magick::ImageList.new("clown.jpg") | ||
clown = clown.wave(10, 200) | clown = clown.wave(10, 200) | ||
clown.write('wave.jpg') | clown.write('wave.jpg') | ||
| + | |||
| + | [[Image:RMagick-framed_monochrome.jpg|thumb|right|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/ | ||
| + | |||
| + | ==Install== | ||
| + | *[http://hi.baidu.com/rainchen/blog/item/089ef7364497de320a55a9a3.html 在CentOS 5 中安装Rmagick] | ||
| + | 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;" | ||
| + | |||
| + | [[Category:Graphics]] | ||
| + | [[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.
require 'RMagick'
clown = Magick::ImageList.new("clown.jpg")
clown = clown.wave(10, 200)
clown.write('wave.jpg')
require 'RMagick'
clown = Magick::ImageList.new("clown.jpg")
clown = clown.quantize(256, Magick::GRAYColorspace)
clown.write('monochrome.jpg')
[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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