Module: Middleman::Extensions::AutomaticImageSizes::InstanceMethods

Defined in:
middleman-core/lib/middleman-core/extensions/automatic_image_sizes.rb

Overview

Automatic Image Sizes Instance Methods

Instance Method Summary (collapse)

Instance Method Details

- (String) image_tag(path, params = {})

Override default image_tag helper to automatically calculate and include image dimensions.

Parameters:

  • path (String)
  • params (Hash) (defaults to: {})

Returns:

  • (String) 


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# File 'middleman-core/lib/middleman-core/extensions/automatic_image_sizes.rb', line 31

def image_tag(path, params={})
  if !params.has_key?(:width) && !params.has_key?(:height) && !path.include?("://")
    params[:alt] ||= ""
    http_prefix = http_images_path rescue images_dir

    begin
      real_path = File.join(source, images_dir, path)
      full_path = File.expand_path(real_path, root)
      http_prefix = http_images_path rescue images_dir
      if File.exists? full_path
        dimensions = ::FastImage.size(full_path, :raise_on_failure => true)
        params[:width]  = dimensions[0]
        params[:height] = dimensions[1]
      end
    rescue
      # $stderr.puts params.inspect
    end
  end

  super(path, params)
end