Update documents (#31)

adaptive_threshold.rb.html

@@ -17,6 +17,8 @@ <h1>adaptive_threshold.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#adaptive_threshold method

add_noise.rb.html

@@ -17,6 +17,8 @@ <h1>add_noise.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#add_noise method

affine.rb.html

@@ -17,6 +17,8 @@ <h1>affine.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the affine primitive. Transform the

affine_transform.rb.html

@@ -17,6 +17,8 @@ <h1>affine_transform.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#affine_transform method

arc.rb.html

@@ -17,6 +17,8 @@ <h1>arc.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 i = Magick::Image.new(300, 220, Magick::HatchFill.new('white', 'lightcyan2'))

arcpath.rb.html

@@ -17,6 +17,8 @@ <h1>arcpath.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the "path" drawing primitive.

arcs01.rb.html

@@ -17,6 +17,8 @@ <h1>arcs01.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 Magick::RVG.dpi = 90

arcs02.rb.html

@@ -17,6 +17,8 @@ <h1>arcs02.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 Magick::RVG.dpi = 90

average.rb.html

@@ -17,6 +17,8 @@ <h1>average.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 # Demonstrate ImageList#average method
 require 'rmagick'
 

axes.rb.html

@@ -17,6 +17,8 @@ <h1>axes.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the use of RMagick's Draw class

baseline_shift01.rb.html

@@ -17,6 +17,8 @@ <h1>baseline_shift01.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 rvg = Magick::RVG.new(150, 100) do |canvas|

bilevel_channel.rb.html

@@ -17,6 +17,8 @@ <h1>bilevel_channel.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 img = Magick::Image.read('images/Flower_Hat.jpg').first

blur_image.rb.html

@@ -17,6 +17,8 @@ <h1>blur_image.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#blur_image method

border.rb.html

@@ -17,6 +17,8 @@ <h1>border.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#border method

bounding_box.rb.html

@@ -17,6 +17,8 @@ <h1>bounding_box.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 img = Magick::Image.new(200, 200) { |info| info.background_color = '#ffffcc' }

cbezier1.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier1.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

cbezier2.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier2.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

cbezier3.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier3.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

cbezier4.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier4.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

cbezier5.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier5.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

cbezier6.rb.html

@@ -17,6 +17,8 @@ <h1>cbezier6.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

channel.rb.html

@@ -17,6 +17,8 @@ <h1>channel.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 img = Magick::Image.read('images/Flower_Hat.jpg').first

charcoal.rb.html

@@ -17,6 +17,8 @@ <h1>charcoal.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#charcoal method

chop.rb.html

@@ -17,6 +17,8 @@ <h1>chop.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#chop method

circle.rb.html

@@ -17,6 +17,8 @@ <h1>circle.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 imgl = Magick::ImageList.new

circle01.rb.html

@@ -17,6 +17,8 @@ <h1>circle01.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 Magick::RVG.dpi = 90

clip_path.rb.html

@@ -17,6 +17,8 @@ <h1>clip_path.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 points = [

coalesce.rb.html

@@ -17,12 +17,14 @@ <h1>coalesce.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 buttons = Magick::ImageList.new
 
 # Read 25 alphabet image files, scale to 1/4 size
-letter = 'A'
+letter = +'A'
 26.times do
   if letter != 'M' # "M" is not the same size as the other letters
     tiny = Magick::Image.read('images/Button_' + letter + '.gif').first

color_fill_to_border.rb.html

@@ -17,6 +17,8 @@ <h1>color_fill_to_border.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#color_fill_to_border method

color_floodfill.rb.html

@@ -17,6 +17,8 @@ <h1>color_floodfill.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#color_floodfill method

color_histogram.rb.html

@@ -17,6 +17,8 @@ <h1>color_histogram.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 NUM_COLORS = 256

color_reset.rb.html

@@ -17,6 +17,8 @@ <h1>color_reset.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#color_reset! method

colorize.rb.html

@@ -17,6 +17,8 @@ <h1>colorize.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#colorize method by converting

colors.rb.html

@@ -17,6 +17,8 @@ <h1>colors.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 puts('Creating colors.miff. This may take a few seconds...')

compose_mask.rb.html

@@ -17,6 +17,8 @@ <h1>compose_mask.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 background = Magick::Image.read('images/Flower_Hat.jpg').first

composite.rb.html

@@ -17,6 +17,8 @@ <h1>composite.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 # Demonstrate the effects of various composite operators.
 # Based on ImageMagick's composite test.
 

composite_layers.rb.html

@@ -17,6 +17,8 @@ <h1>composite_layers.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 module Magick

composite_tiled.rb.html

@@ -17,6 +17,8 @@ <h1>composite_tiled.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Create a transparent image to tile over the background image.

contrast.rb.html

@@ -17,6 +17,8 @@ <h1>contrast.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#contrast method

crop.rb.html

@@ -17,6 +17,8 @@ <h1>crop.rb</h1>
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 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rmagick'
 
 # Demonstrate the Image#crop method

crop_with_gravity.rb.html

@@ -17,6 +17,8 @@ <h1>crop_with_gravity.rb</h1>
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 <pre class="language-ruby">
+# frozen_string_literal: true
+
 #=======================================================#
 # Thanks to Robert Wagner for the idea of allowing a    #
 # GravityType instead of the x- and y-offset arguments! #

cubic01.rb.html

@@ -17,6 +17,8 @@ <h1>cubic01.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 Magick::RVG.dpi = 90

cubic02.rb.html

@@ -17,6 +17,8 @@ <h1>cubic02.rb</h1>
 <div class="bodybox">
 <div class="bodyfloat">
 <pre class="language-ruby">
+# frozen_string_literal: true
+
 require 'rvg/rvg'
 
 Magick::RVG.dpi = 90