• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Debugging "CGImageCreate: invalid image provider: NULL"?
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Debugging "CGImageCreate: invalid image provider: NULL"?


  • Subject: Re: Debugging "CGImageCreate: invalid image provider: NULL"?
  • From: Graham Cox <email@hidden>
  • Date: Mon, 01 Aug 2011 11:28:05 +1000

On 01/08/2011, at 11:25 AM, Izak van Langevelde wrote:

>> Are you passing the bytes (or CFData) to the 'data provider' parameter? If so, that's wrong - you need to pass a CGDataProviderRef. Create one using CGDataProviderCreateWithData or CGDataProviderCreateWithCFData, depending on what form your bytes are in.
>
> I'm creating one with  CGDataProviderCreateSequential, using callbacks.
>


Seems like a lot of work for your situation. Does it work if you use one of the others?

--Graham


_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Debugging "CGImageCreate: invalid image provider: NULL"?
      • From: Izak van Langevelde <email@hidden>
References: 
 >Debugging "CGImageCreate: invalid image provider: NULL"? (From: Izak van Langevelde <email@hidden>)
 >Re: Debugging "CGImageCreate: invalid image provider: NULL"? (From: Graham Cox <email@hidden>)
 >Re: Debugging "CGImageCreate: invalid image provider: NULL"? (From: Izak van Langevelde <email@hidden>)

  • Prev by Date: Re: Debugging "CGImageCreate: invalid image provider: NULL"?
  • Next by Date: Re: Debugging "CGImageCreate: invalid image provider: NULL"?
  • Previous by thread: Re: Debugging "CGImageCreate: invalid image provider: NULL"?
  • Next by thread: Re: Debugging "CGImageCreate: invalid image provider: NULL"?
  • Index(es):
    • Date
    • Thread