Class: Riiif::ImageMagickInfoExtractor

Inherits:
AbstractInfoExtractor show all
Defined in:
app/extractors/riiif/image_magick_info_extractor.rb

Overview

Get information using imagemagick to interrogate the file

Instance Method Summary collapse

Methods inherited from AbstractInfoExtractor

#initialize

Constructor Details

This class inherits a constructor from Riiif::AbstractInfoExtractor

Instance Method Details

#extract ⇒ Object 



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# File 'app/extractors/riiif/image_magick_info_extractor.rb', line 7

def extract
  height, width, format, channels = Riiif::CommandRunner.execute(
    "#{external_command} -format '%h %w %m %[channels]' '#{@path}[0]'"
  ).split(' ')

  {
    height: Integer(height),
    width: Integer(width),
    format: format,
    channels: channels
  }
end