Class: Batik::Rasterizer

Inherits:
Object
  • Object
show all
Defined in:
lib/batik/rasterizer.rb

Defined Under Namespace

Classes: RuntimeException

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Rasterizer 



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# File 'lib/batik/rasterizer.rb', line 9

def initialize(options = {})
  @options = options
  @command = [
    path_to_java,
    '-Djava.awt.headless=true',
    '-jar',
    path_to_jar_file,
    command_options
  ]
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/batik/rasterizer.rb', line 7

def command
  @command
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/batik/rasterizer.rb', line 7

def options
  @options
end

Instance Method Details

#command_options ⇒ Object

private



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# File 'lib/batik/rasterizer.rb', line 27

def command_options
  options.map {|name, argument| "-#{name} #{argument}"}
end

#path_to_jar_file ⇒ Object 



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# File 'lib/batik/rasterizer.rb', line 35

def path_to_jar_file
  options.delete(:jar_file) ||
    File.join(File.dirname(__FILE__), *%w".. .. vendor batik-1.7 batik-rasterizer.jar")
end

#path_to_java ⇒ Object 



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# File 'lib/batik/rasterizer.rb', line 31

def path_to_java
  options.delete(:java) || "java"
end

#rasterize(file) ⇒ Object 



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# File 'lib/batik/rasterizer.rb', line 20

def rasterize(file)
  command << file
  Open3.popen3(command.join(' ')){|_,_,err| err.read.empty? }
end