November 2011
Intermediate to advanced
528 pages
10h 14m
English
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Chapter 35. Cocoa and OpenGL
This chapter is not designed to teach you OpenGL. If you want to learn OpenGL, read The OpenGL Programming Guide. Rather, this chapter is intended to show you how to do drawing with OpenGL in an application that is written using Cocoa. Like all other drawing in Cocoa, OpenGL rendering will be done in a view. Until now, all your views have used an NSGraphicsContext to do drawing with Quartz (via NSImage, NSBezierPath, and NSAttributedString).
NSOpenGLView is an NSView subclass that has an OpenGL drawing context. Just as you needed the focus locked on a view to do drawing with Quartz, so the OpenGL drawing context must be active for any OpenGL drawing commands to have an effect.
Here are some important methods in
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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.