Re: Core Graphics Drawing in OpenGL Context?
Re: Core Graphics Drawing in OpenGL Context?
- Subject: Re: Core Graphics Drawing in OpenGL Context?
- From: "Sean McBride" <email@hidden>
- Date: Fri, 27 Jul 2007 11:56:57 -0400
- Organization: Rogue Research
On 2007-07-27 16:07, Alastair Houghton said:
>> Or can one only use openGL drawing functions to draw to an openGL
>> context?
>
>I can think of a few options. If you have some Quartz or Cocoa stuff
>to draw over the top, you can create a transparent window, making it
>a child of the window with the OpenGL view in it (see -
>addChildWindow:ordered:), and draw your Quartz content into that.
>This is quite easy and should be pretty fast.
Creating transparent windows is a pain. Instead, the OP could also take
a look at the UnderlaySurface example code (and search the archives
about it) which lets you put Cocoa views overlayed on opengl views.
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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