jpg.rb in prawn-2.0.2

- old
+ new

@@ -8,11 +8,10 @@
 
 require 'stringio'
 
 module Prawn
   module Images
-
     # A convenience class that wraps the logic for extracting the parts
     # of a JPG image that we need to embed them in a PDF
     #
     class JPG < Image
       # @group Extension API
@@ -37,11 +36,11 @@
 
         c_marker = 0xff # Section marker.
         d.seek(2)    # Skip the first two bytes of JPEG identifier.
         loop do
           marker, code, length = d.read(4).unpack('CCn')
-          raise "JPEG marker not found!" if marker != c_marker
+          fail "JPEG marker not found!" if marker != c_marker
 
           if JPEG_SOF_BLOCKS.include?(code)
             @bits, @height, @width, @channels = d.read(6).unpack("CnnC")
             break
           end
@@ -53,19 +52,19 @@
       # Build a PDF object representing this image in +document+, and return
       # a Reference to it.
       #
       def build_pdf_object(document)
         color_space = case channels
-        when 1
-          :DeviceGray
-        when 3
-          :DeviceRGB
-        when 4
-          :DeviceCMYK
-        else
-          raise ArgumentError, 'JPG uses an unsupported number of channels'
-        end
+                      when 1
+                        :DeviceGray
+                      when 3
+                        :DeviceRGB
+                      when 4
+                        :DeviceCMYK
+                      else
+                        fail ArgumentError, 'JPG uses an unsupported number of channels'
+                      end
 
         obj = document.ref!(
           :Type             => :XObject,
           :Subtype          => :Image,
           :ColorSpace       => color_space,
@@ -83,9 +82,8 @@
 
         obj.stream << @data
         obj.stream.filters << :DCTDecode
         obj
       end
-
     end
   end
 end