module Compass::Core::SassExtensions::Functions::InlineImage
Public Instance Methods
inline_font_files(*args)
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# File lib/compass/core/sass_extensions/functions/inline_image.rb, line 9 def inline_font_files(*args) files = [] with_each_font_file(*args) do |path, type| path = path.value real_path = File.join(Compass.configuration.fonts_path, path) data = inline_image_string(data(real_path), compute_mime_type(path)) files << list(data, unquoted_string("format('#{type}')"), :space) end list(files, :comma) end
inline_image(path, mime_type = nil)
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# File lib/compass/core/sass_extensions/functions/inline_image.rb, line 3 def inline_image(path, mime_type = nil) path = path.value real_path = File.join(Compass.configuration.images_path, path) inline_image_string(data(real_path), compute_mime_type(path, mime_type)) end
Protected Instance Methods
inline_image_string(data, mime_type)
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# File lib/compass/core/sass_extensions/functions/inline_image.rb, line 21 def inline_image_string(data, mime_type) data = [data].flatten.pack('m').gsub("\n","") url = "url('data:#{mime_type};base64,#{data}')" unquoted_string(url) end
Private Instance Methods
compute_mime_type(path, mime_type = nil)
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# File lib/compass/core/sass_extensions/functions/inline_image.rb, line 28 def compute_mime_type(path, mime_type = nil) return mime_type.value if mime_type case path when /\.png$/i 'image/png' when /\.jpe?g$/i 'image/jpeg' when /\.gif$/i 'image/gif' when /\.svg$/i 'image/svg+xml' when /\.otf$/i 'font/opentype' when /\.eot$/i 'application/vnd.ms-fontobject' when /\.ttf$/i 'font/truetype' when /\.woff$/i 'application/font-woff' when /\.off$/i 'font/openfont' when /\.([a-zA-Z]+)$/ "image/#{Regexp.last_match(1).downcase}" else raise Compass::Error, "A mime type could not be determined for #{path}, please specify one explicitly." end end
data(real_path)
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# File lib/compass/core/sass_extensions/functions/inline_image.rb, line 56 def data(real_path) if File.readable?(real_path) File.open(real_path, "rb") {|io| io.read} else raise Compass::Error, "File not found or cannot be read: #{real_path}" end end