December 2010
Intermediate to advanced
110 pages
2h 31m
English
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Name
CRC.clearRect() — erases a rectangular area of a canvas
Synopsis
void clearRect(floatx, floaty, floatwidth, floatheight)
Arguments
x, yThe coordinates of the upper-left corner of the rectangle
width, heightThe dimensions of the rectangle
Description
clearRect() fills the specified rectangle with
transparent black. Unlike rect(), it does not affect
the current point or the current path.
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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.