Class: Poleica::Converters::GraphicsMagick

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/poleica/converters/graphics_magick.rb

Overview

The GraphicsMagick converter, use the ‘gm’ command to convert images and documents

Defined Under Namespace

Classes: OptionsGenerator

Constant Summary collapse

COMPATIBLE_TYPES = 
[
  Types::Image,
  Types::PDF
]
DEFAULT_MEASURE = 
612

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#bin_path, exec_with_timeout, extract_extension_and_options, #host_os, #linux?, #osx?, set_process_stdout, #underscorize, #windows?

Constructor Details

#initialize(polei) ⇒ GraphicsMagick

Returns a new instance of GraphicsMagick.



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# File 'lib/poleica/converters/graphics_magick.rb', line 18

def initialize(polei)
  @polei = polei
end

Instance Attribute Details

#polei ⇒ Object (readonly)

Returns the value of attribute polei.



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# File 'lib/poleica/converters/graphics_magick.rb', line 16

def polei
  @polei
end

Instance Method Details

#to_png(options = {}) ⇒ Object 



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# File 'lib/poleica/converters/graphics_magick.rb', line 22

def to_png(options = {})
  opts_gen = OptionsGenerator.new(polei, options)
  exec_with_timeout(bin_path, opts_gen.generate)
  expected_file_path = opts_gen[:path]
  File.exists?(expected_file_path) ? expected_file_path : nil
end