Re: Quickest Drawing Method
Re: Quickest Drawing Method
- Subject: Re: Quickest Drawing Method
- From: "Paolo Manna" <email@hidden>
- Date: Sun, 22 Jul 2007 08:26:22 +0100
This is not a real answer, as the topic doesn't have an easy one (out
of the usual 'it depends'), just a couple of details that can help you
frame the issue.
I'm writing an app which will constantly write an image to the screen.
I would like to know the quickest way to draw an image to the screen
(the image needs to be composed first).
If that's an option for you (i.e. you feel comfortable with it), I'd
definitely use OpenGL calls: it's quite well integrated with Cocoa
(that I assume it's a requirement, as you're posting to this list),
you have a lot of options for compositing, and a lot of control on
getting things on the screen as fast as possible.
I would like it to be an animation, like the Dock resizing; how is the Dock drawn without
a window, and how can I accomplish this?
There are far more windows on the screen than a user can perceive: try
the Quartz Debug's 'Show Window List' command to see what I mean. And,
yes, the Dock has its windows (and quite a lot of them) too.
HTH
Paolo
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