Module: BlurredImageTagHelper

Defined in:
app/helpers/blurred_image_tag_helper.rb

Instance Method Summary collapse

Instance Method Details

#blurred_image_tag(source, options = {}) ⇒ Object 



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# File 'app/helpers/blurred_image_tag_helper.rb', line 2

def blurred_image_tag(source, options = {})
  # Add internal class names to coming classes
  parent_div_classes   = [options[:class], 'blurred-image-wrapper'].join(' ')
  original_img_classes = [options[:class], 'original'].join(' ')
  blurred_img_classes  = [options[:class], 'blurred'].join(' ')

  # Retrieve width and height of the image, 100% by default
  width  = options[:width].nil? ? '100%' : options[:width]
  height = options[:height].nil? ? '100%' : options[:height]

  # Generate parent div with two images, one blurred and the original non-blurred one on top
  output = '<div class="' + parent_div_classes + '" style="width: ' + width + '; padding-top: ' + height + '">'
  output += image_tag source, options.merge(class: blurred_img_classes).except(:width, :height)
  output += image_tag source, options.merge(class: original_img_classes).except(:width, :height)
  output += '</div>'
  output.html_safe
end