November 2011
Intermediate to advanced
384 pages
13h 23m
English
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DRAW BASIC RECTANGLES ON THE CANVAS
The simplest, and only, shape you can draw on the canvas natively is a rectangle. This may seem like a very restrictive statement, but the canvas rectangle is not designed to be just a simple shape; it provides you with a way to set a solid background color across the entire canvas plane, draw a box or border around a selected area, or erase part or all of the drawing area.
For more complex shapes, everything from lines, to triangles, stars, circles, hearts, bears, cars, and people, you must use a canvas path, as described in the next section, “Draw Paths on the Canvas.”
There are three types of rectangles that you can draw on the canvas:
- Clear rectangle — clearRect(x, y, w, h) — This erases whatever was previously ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.