Class: Libis::Format::Tool::PdfOptimizer

Inherits:
Object
  • Object
show all
Includes:
Tools::Logger
Defined in:
lib/libis/format/tool/pdf_optimizer.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/libis/format/tool/pdf_optimizer.rb', line 17

def self.installed?
  result = Libis::Tools::Command.run(Libis::Format::Config[:ghostscript_cmd], '--version')
  (result[:status]).zero?
end

.run(source, target, quality) ⇒ Object 



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# File 'lib/libis/format/tool/pdf_optimizer.rb', line 22

def self.run(source, target, quality)
  new.run source, target, quality
end

Instance Method Details

#run(source, target, quality) ⇒ Object 



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# File 'lib/libis/format/tool/pdf_optimizer.rb', line 26

def run(source, target, quality)
  timeout = Libis::Format::Config[:timeouts][:pdf_optimizer]
  args = [
    Libis::Format::Config[:ghostscript_cmd],
    '-sDEVICE=pdfwrite',
    '-dCompatibilityLevel=1.4',
    "-dPDFSETTINGS=/#{quality}",
    '-dNOPAUSE',
    '-dBATCH',
    "-sOutputFile=#{target}",
    source.to_s
  ]

  result = Libis::Tools::Command.run(*args, timeout:, kill_after: timeout * 2)

  result[:err] << "#{self.class} took too long (> #{timeout} seconds) to complete" if result[:timeout]

  result
end