June 2015
Intermediate to advanced
206 pages
4h 32m
English
Content preview from Kivy - Interactive Applications and Games in PythonBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. Graphics – the Canvas
Any Kivy Widget contains a Canvas object. A Kivy Canvas is a set of drawing instructions that define the graphical representation of Widget.
Tip
Be careful with the name because it tends to be confusing! A Canvas object is not what we draw on (for example, as it is in HTML5); it is a set of instructions to draw in the coordinate space.
The coordinate space refers to the place in which we draw. All the Kivy widgets share the same coordinate space, and a Canvas instance, the instructions to draw on it. A coordinate space is not restricted to the size of the window or the application screen, which means that we can draw outside of the visible area.
We will discuss how to draw and manipulate the representation of the widgets ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.