Module: LibPixel::ViewHelpers

Defined in:
lib/libpixel/view_helpers.rb

Instance Method Summary collapse

Instance Method Details

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

libpixel_image_tag(“”, :width=>200, :libpixel=>:dpr=>2, :source=>“images”)

> <img width=“200” alt=“image” src=“” />

LibPixel.default_source = “source” libpixel_image_tag(“image.jpg”, :libpixel=>:width=>200)

> <img alt=“image” src=“example.libpx.com/source/image.jpg?width=200” />



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# File 'lib/libpixel/view_helpers.rb', line 11

def libpixel_image_tag(source, options = {})
  image_tag_options = nil
  
  if source.respond_to? :fetch
    libpixel_url = LibPixel.url(source[:libpixel])
    image_tag_options = source.reject {|k| k == :libpixel}
  else
    source = URI::escape(source)
    libpixel_url = LibPixel.url(source, options.fetch(:libpixel) {{}})
    image_tag_options = options.reject {|k| k == :libpixel}
  end

  uri = URI(libpixel_url)
  if uri.query
    query_items = CGI.parse(uri.query)
    src = query_items["src"].first
    if src
      image_tag_options[:alt] = image_tag_options.fetch(:alt) {image_alt(src)}
    end
  end

  image_tag(libpixel_url.html_safe, image_tag_options)
end