lib/prawn/images/jpg.rb in prawn-0.2.1 vs lib/prawn/images/jpg.rb in prawn-0.2.2

- old
+ new

@@ -10,18 +10,19 @@ module Prawn module Images # A convenience class that wraps the logic for extracting the parts # of a PNG image that we need to embed them in a PDF - class JPG #:nodoc: + class JPG attr_reader :width, :height, :bits, :channels JPEG_SOF_BLOCKS = %W(\xc0 \xc1 \xc2 \xc3 \xc5 \xc6 \xc7 \xc9 \xca \xcb \xcd \xce \xcf) JPEG_APP_BLOCKS = %W(\xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef) # Process a new JPG image # # <tt>:data</tt>:: A string containing a full PNG file + # def initialize(data) data = StringIO.new(data.dup) c_marker = "\xff" # Section marker. data.read(2) # Skip the first two bytes of JPEG identifier.