Rubocop: Using single-quotes properly

samples/colors.rb

@@ -12,5 +12,5 @@ Squib::Deck.new(width: 825, height: 1125, cards: 1) do
   text color: '#ffff000000009999', str: '12-hex (alpha)', x: 50, y: y+=50
   text color: :burnt_orange, str: 'Symbols of constants too', x: 50, y: y+=50
 
-  save_png prefix: "colors_"
+  save_png prefix: 'colors_'
 end

samples/custom_config.rb

@@ -6,7 +6,7 @@ Squib::Deck.new(config: 'custom-config.yml') do
   background color: :foo
 
   # Hints are turned on in the config file
-  text str: "The Title", x: 0, y: 78, width: 825,
+  text str: 'The Title', x: 0, y: 78, width: 825,
        font: 'Arial 72', align: :center
 
   # Progress bars are shown for these commands
@@ -14,6 +14,6 @@ Squib::Deck.new(config: 'custom-config.yml') do
   png file: 'shiny-purse2.png', x: 620, y: 75
   svg file: 'spanner2.svg', x: 620, y: 218
   save_png prefix: 'custom-config_'
-  save_pdf file: "custom-config-out.pdf"
+  save_pdf file: 'custom-config-out.pdf'
 
 end

samples/portrait-landscape.rb

@@ -8,16 +8,16 @@ require 'squib'
 Squib::Deck.new(width: 825, height: 1125) do
   background color: '#aaa'
 
-  text str: "This is portrait"
+  text str: 'This is portrait'
 
-  save_png prefix: "portrait_"
+  save_png prefix: 'portrait_'
 end
 
 # Money cards are landscape
 Squib::Deck.new(width: 1125, height: 825) do
   background color: '#aaa'
 
-  text str: "This is landscape"
+  text str: 'This is landscape'
 
-  save_png prefix: "landscape_", rotate: true
+  save_png prefix: 'landscape_', rotate: true
 end

samples/ranges.rb

@@ -17,17 +17,17 @@ Squib::Deck.new(width: 825, height: 1125, cards: 3) do
        width: 100, align: :center
 
   # Ranges are inclusive, zero-based
-  text range: 0..1, str: "Thief and Grifter only!!", x: 25, y:200
+  text range: 0..1, str: 'Thief and Grifter only!!', x: 25, y:200
 
   # Integers are also allowed
-  text range: 0, str: "Thief only!", x: 25, y: 250
+  text range: 0, str: 'Thief only!', x: 25, y: 250
 
   # Negatives go from the back of the deck
-  text range: -1, str: "Mastermind only!", x: 25, y: 250
-  text range: -2..-1, str: "Grifter and Mastermind only!", x: 25, y: 650
+  text range: -1, str: 'Mastermind only!', x: 25, y: 250
+  text range: -2..-1, str: 'Grifter and Mastermind only!', x: 25, y: 650
 
   # We can use Arrays too!
-  text range: [0,2], str: "Thief and Mastermind only!!", x: 25, y:300
+  text range: [0,2], str: 'Thief and Mastermind only!!', x: 25, y:300
 
   # Just about everything in Squib can be given an array that
   # corresponds to the deck's cards. This allows for each card to be styled differently
@@ -41,13 +41,13 @@ Squib::Deck.new(width: 825, height: 1125, cards: 3) do
   # then use a range. No need to memorize IDs, and you can add cards easily
   id = {} ; data['name'].each_with_index{ |name,i| id[name] = i}
   text range: id['Thief']..id['Grifter'],
-       str: "Thief through Grifter with id lookup!!",
+       str: 'Thief through Grifter with id lookup!!',
        x:25, y: 400
 
   # Useful idiom: generate arrays from a column called 'type'
   type = {}; data['type'].each_with_index{ |t,i| (type[t] ||= []) << i}
   text range: type['Thinker'],
-       str: "Only for Thinkers!",
+       str: 'Only for Thinkers!',
        x:25, y: 500
 
   save prefix: 'ranges_', format: :png

samples/save_pdf.rb

@@ -7,8 +7,8 @@ Squib::Deck.new(width: 825, height: 1125, cards: 16) do
 
   text str: (1..16).to_a, x: 220, y: 78, font: 'Arial 54'
 
-  save_pdf file: "sample-save-pdf.pdf", margin: 75, gap: 5, trim: 37
+  save_pdf file: 'sample-save-pdf.pdf', margin: 75, gap: 5, trim: 37
 
   #Note that our PNGs still are not trimmed even though the pdf ones are
-  save_png range: 1, prefix: "save_pdf_"
+  save_png range: 1, prefix: 'save_pdf_'
 end

samples/text_options.rb

@@ -16,38 +16,38 @@ Squib::Deck.new(width: 825, height: 1125, cards: 3) do
 
   text str: "UTF-8 \u2663", x: 565, y: 150, font: 'Arial weight=900 36'
 
-  text str: "Font strings are expressive!", x:65, y: 200,
+  text str: 'Font strings are expressive!', x:65, y: 200,
        font: 'Impact bold italic 36'
 
-  text str: "Font strings are expressive!", x:65, y: 300,
+  text str: 'Font strings are expressive!', x:65, y: 300,
        font: 'Arial,Verdana weight=900 style=oblique 36'
 
-  text str: "Font string sizes can be overridden per card.", x: 65, y: 350,
+  text str: 'Font string sizes can be overridden per card.', x: 65, y: 350,
        font: 'Impact 36', font_size: [16, 20, 24]
 
-  text str: "This text has fixed width, fixed height, center-aligned, middle-valigned, and has a red hint",
+  text str: 'This text has fixed width, fixed height, center-aligned, middle-valigned, and has a red hint',
        hint: :red,
        x: 65, y: 400,
        width: 300, height: 200,
        align: :center, valign: :middle,
        font: 'Arial 18'
 
-  text str: "Ellipsization!\nThe ultimate question of life, the universe, and everything to life and everything is 42",
+  text str: 'Ellipsization!\nThe ultimate question of life, the universe, and everything to life and everything is 42',
        hint: :green, font: 'Arial 22',
        x: 450, y: 400,
        width: 280, height: 180,
        ellipsize: true
 
   hint text: :cyan
-  text str: "Text hints are also globally togglable!",
+  text str: 'Text hints are also globally togglable!',
         x: 65, y: 625,
         font: 'Arial 22'
   hint text: :off
-  text str: "See? No hint here.",
+  text str: 'See? No hint here.',
         x: 565, y: 625,
         font: 'Arial 22'
 
-  text str: "Rotated",
+  text str: 'Rotated',
         x: 565, y: 675, angle: 0.1,
         font: 'Arial 18'
 
@@ -56,7 +56,7 @@ Squib::Deck.new(width: 825, height: 1125, cards: 3) do
        width: inches(2.25), height: inches(1),
        justify: true
 
-  text str: "<b>Markup</b> is also <i>quite</i> <s>easy</s> awesome",
+  text str: '<b>Markup</b> is also <i>quite</i> <s>easy</s> awesome',
        markup: true,
        x: 50, y: 1000,
        width: 750, height: 100,