Documentation and example of autoscaling

samples/autoscale_font.rb

@@ -0,0 +1,27 @@
+require 'squib'
+
+# Here's an exmaple of being able to scale a font 
+# based on the length of individual string. 
+# Handy for making minor font scales to fill text boxes.
+def autoscale(str_array)
+  str_array.inject([]) do | memo, str |
+    case str.length
+    when 0..10
+      memo << 125
+    when 11..20
+      memo << 45
+    else
+      memo << 36
+    end
+  end
+end
+
+Squib::Deck.new(cards: 3) do
+  background color: :white
+
+  title = %w(ShortBig Medium_Length_Name Super_Duper_Long_Name)
+  text str: title, x: 65, y: 400, align: :center, width: 700,
+       font: 'Arial', font_size: autoscale(title), hint: :red 
+
+  save prefix: 'autoscale_', format: :png
+end