Module: Jekyll::Filters::Height

Defined in:
lib/jekyll/filters/height.rb

Overview

Obtain image height

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.jekyll_site=(site) ⇒ Object 



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# File 'lib/jekyll/filters/height.rb', line 7

def self.jekyll_site=(site)
  @@jekyll_site = site
end

Instance Method Details

#height(input) ⇒ Object 



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# File 'lib/jekyll/filters/height.rb', line 16

def height(input)
  return unless input
  path = jekyll_site.in_source_dir input

  unless ::File.exist? path
    Jekyll.logger.warn 'Height:', "#{input} doesn't exist"
    return input
  end

  Jekyll::Images::Cache.cached_image(path).height
rescue Vips::Error => e
  Jekyll.logger.warn 'Height:', "Failed to process #{input}: #{e.message}"
  nil
end

#jekyll_site ⇒ Object 



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# File 'lib/jekyll/filters/height.rb', line 11

def jekyll_site
  @@jekyll_site
end