image.rb in prawn-emoji-4.1.0

- old
+ new

@@ -1,13 +1,35 @@
 # frozen_string_literal: true
 
+require 'forwardable'
+
 module Prawn
   module Emoji
     class Image
+      extend Forwardable
+
       STORE = Emoji.root.join 'emoji', 'images'
 
+      def_delegators :emoji_char, :width, :height
+
       def initialize(emoji_char)
         @emoji_char = emoji_char
+      end
+
+      def render(document, at:)
+        x, y = at
+
+        position = [x, y + height]
+
+        if Prawn::VERSION >= '2.3.0'
+          document.image(path, at: position, width: width)
+        else
+          # Prawn 2.2 does not close the image file when Pathname is passed to Document#image method.
+          # https://github.com/prawnpdf/prawn/pull/1090
+          File.open(path, 'rb') do |image_file|
+            document.image(image_file, at: position, width: width)
+          end
+        end
       end
 
       def path
         STORE.join("#{emoji_char.codepoint}.png").to_s
       end