On Oct 21, 2008, at 8:50 AM, Jean-Daniel Dupas wrote:
I'd like to put an image stored in a JPEG file onto a CALayer. It
seems that I do this by assigning a CGImageRef to its contents
property. But how do I get a CGImageRef from a file? Do I make an
NSData object from the file and do something with that?
dkj
You use ImageIO Framework. See CGImageSource reference.
Specifically, you would do something like this:
NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle]
pathForImageResource:@"myImage"]];
CGImageSourceRef source = CGImageSourceCreateWithURL((CFURLRef)url,
NULL);
CGImageRef image = CGImageSourceCreateImageAtIndex(source, 0, NULL);
CFRelease(source);
Do what you will with 'image' and release it when your done.
--
David Duncan
Apple DTS Animation and Printing
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