Re: CGContextSelectFont spinlock
Re: CGContextSelectFont spinlock
- Subject: Re: CGContextSelectFont spinlock
- From: Stevo Brock <email@hidden>
- Date: Wed, 15 Sep 2010 16:11:52 -0700
Apparently the "font system" was not initialized before this call. Putting a "[UIFont familyNames]" somewhere previous causes things to roll just fine.
I should mention that this is an OpenGL based app with minimal other system UI.
-Stevo Brock
Head of Development
Monkey Tools, LLC
www.monkey-tools.com
On Sep 15, 2010, at 1:49 PM, Stevo Brock wrote:
> I'm trying to add some custom font support to an iPad app and I keep running into a spinlock from CGContextSelectFont.
>
> Happens on SDK 4.0 Simulator and Device running 3.2.2. I've narrowed down the code to:
>
> CGContextRef context = CGBitmapContextCreate(&data, 1, 1, 8, 4, CGColorSpaceCreateDeviceRGB(),
> kCGImageAlphaPremultipliedLast);
> CGContextSelectFont(context, [@"Comic Sans MS Bold" UTF8String], 24.0, kCGEncodingMacRoman);
> CGContextRelease(context);
>
> Depending on where I put this code, sometimes it runs through just fine and sometimes it spinlocks. The stack trace is just:
>
> 0: __spin_lock
> 1: ??
>
> Where is it legal to call this function and why would it spin lock elsewhere? Help!
>
> -Stevo Brock
> Head of Development
> Monkey Tools, LLC
> www.monkey-tools.com
>
>
>
>
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