viewex.rb in rmagick-2.14.0

- old
+ new
@@ -1,35 +1,33 @@
-#! /usr/local/bin/ruby -w
+#!/usr/bin/env ruby -w
 
-require 'RMagick'
+require 'rmagick'
 
 img = Magick::Image.new(40, 40) {self.background_color = 'lightcyan2'}
 
 # The view is 400 pixels square, starting
 # column 10, row 5 from the top of the image.
-img.view( 10, 5, 20, 20) do |view|
+img.view(10, 5, 20, 20) do |view|
+  # Set all the pixels in the view to green.
+  view[][] = Magick::Pixel.new(0, Magick::QuantumRange)
 
-    # Set all the pixels in the view to green.
-    view[][] = Magick::Pixel.new(0, Magick::QuantumRange)
+  # Change the top and bottom rows to red.
+  view[0][] = 'red'
+  view[-1,1][] = 'red'
 
-    # Change the top and bottom rows to red.
-    view[0][] = 'red'
-    view[-1,1][] = 'red'
+  # Set 6 pixels to black.
+  view[[13,15]][[12,14,16]] = 'black'
 
-    # Set 6 pixels to black.
-    view[[13,15]][[12,14,16]] = 'black'
+  # Set 1 pixel to yellow.
+  view[5][7] = 'yellow'
 
-    # Set 1 pixel to yellow.
-    view[5][7] = 'yellow'
+  # Change the green channel of all the
+  # pixels on row 8.
+  view[8][].green = Magick::QuantumRange/2
 
-    # Change the green channel of all the
-    # pixels on row 8.
-    view[8][].green = Magick::QuantumRange/2
-
-    # Change the blue channel of 8 pixels
-    # on column 10.
-    view[4,8][10].blue = Magick::QuantumRange
+  # Change the blue channel of 8 pixels
+  # on column 10.
+  view[4,8][10].blue = Magick::QuantumRange
 end
 
-img.scale(5).write("viewex.gif")
+img.scale(5).write('viewex.gif')
 exit
-