November 2015
Beginner to intermediate
340 pages
7h 29m
English
Let's now add the feature to draw irregular or continuous free-flowing lines. We will also add the ability to draw a variety of interesting shapes on the drawing canvas as shown here:

As a reminder, all our buttons are linked to dynamically call functions defined in our tool_bar_functions tuple. Further, we can specify unique options for a given function by adding the string _options to the function name.
To add the capability to draw irregular lines, we just need to define the method named draw_irregular_line. To specify options that appear in the top bar, we need to define the method ...