Range sample with some cool idioms

samples/ranges.rb

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+#!/usr/bin/env ruby
+require 'squib'
+
+data = {'name' => ['Thief', 'Grifter', 'Mastermind'], 
+        'type' => ['Thug', 'Thinker', 'Thinker'],
+        'level' => [1,2,3]}
+
+Squib::Deck.new(width: 825, height: 1125, cards: 3) do
+  # Default range is :all
+  background color: :white
+  rect x: 15, y: 15, width: 795, height: 1095, x_radius: 50, y_radius: 50
+  rect x: 30, y: 30, width: 128, height: 128, x_radius: 25, y_radius: 25
+  text str: data['name'], x: 250, y: 55, font: 'Arial 54'
+  text str: data['level'], x: 65, y: 40, font: 'Arial 72'
+
+  # Could be explicit about using :all, too
+  text range: :all, str: data['type'], x: 50, y: 128, font: 'Arial 18'
+
+  # Ranges are inclusive
+  text range: 0..1, str: "Thief and Grifter only!!", x: 25, y:200
+
+  # We can use Arrays too!
+  text range: [0,2], str: "Thief and Mastermind only!!", x: 25, y:300
+
+  # Useful idiom: construct a hash from card names back to id,
+  # 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!!",  
+       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!",  
+       x:25, y: 500
+       
+  save prefix: 'ranges_', format: :png
+end
+
+puts "Done!"