Class: HexaPDF::CLI::Optimize

Inherits:
Command
  • Object
show all
Defined in:
lib/hexapdf/cli/optimize.rb

Overview

Optimizes the size of a PDF file.

Instance Method Summary collapse

Methods included from Command::Extensions

#help, #help_banner

Constructor Details

#initialize ⇒ Optimize

:nodoc:



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# File 'lib/hexapdf/cli/optimize.rb', line 45

def initialize #:nodoc:
  super('optimize', takes_commands: false)
  short_desc("Optimize the size of a PDF file")
  long_desc("    This command uses several optimization strategies to reduce the file size of the PDF file.\n\n    By default, all strategies except page compression are used since page compression may\n    take a very long time without much benefit.\n  EOF\n\n  @password = nil\n  @out_options[:compact] = true\n  @out_options[:xref_streams] = :generate\n  @out_options[:object_streams] = :generate\n  @out_options[:streams] = :compress\n  @out_options[:optimize_fonts] = true\n\n  options.on(\"--password PASSWORD\", \"-p\", String,\n             \"The password for decryption. Use - for reading from standard input.\") do |pwd|\n    @password = (pwd == '-' ? read_password : pwd)\n  end\n\n  options.separator(\"\")\n  options.separator(\"Optimization options\")\n  define_optimization_options\nend\n")

Instance Method Details

#execute(in_file, out_file) ⇒ Object

:nodoc:



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# File 'lib/hexapdf/cli/optimize.rb', line 72

def execute(in_file, out_file) #:nodoc:
  maybe_raise_on_existing_file(out_file)
  with_document(in_file, password: @password, out_file: out_file) do |doc|
    optimize_page_tree(doc)
    apply_optimization_options(doc)
  end
end