Module: Allthumbs

Defined in:
lib/allthumbs.rb,
lib/allthumbs/version.rb

Constant Summary collapse

VERSION =

We’re doing this because we might write tests that deal with other versions of bundler and we are unsure how to handle this better.

"0.0.1"

Class Method Summary collapse

Class Method Details

.generate(files, out, options = {}) ⇒ Object

Generates the montage image for a list of file paths

  • options :border - surrounding border for each thumbnail in pixels :row - number of thumbnails per row :column - number of thumbnails per column



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# File 'lib/allthumbs.rb', line 8

def self.generate files, out, options = {}
  row    = options[:row]
  column = options[:column]
  border = options[:border]

  raise "Incorrect number of files for specified row and column lengths" if files.size != (row * column) if row and column
  files.split.map { |file| raise "Attempting to generate with one or more invalid files" unless File.exists? file }

  begin
    command = Cocaine::CommandLine.new(
      "montage", "-geometry :geometry -tile :tile :files",
      :geometry => "+#{border}+#{border}", :tile => "#{column}x#{row}", :files => (files += " #{out}")).command
    `#{command.gsub(/'/, '')}`
  rescue Cocaine::CommandNotFoundError => e
    raise "Could not run the 'montage' command. Please install ImageMagick."
  end

end