Re: Fastest high-quality thumbnail display
Re: Fastest high-quality thumbnail display
- Subject: Re: Fastest high-quality thumbnail display
- From: Michael Babin <email@hidden>
- Date: Sun, 31 Jul 2011 06:32:22 -0500
On Jul 30, 2011, at 9:10 PM, James Merkel wrote:
> I tried ImageKit and it works great. Excellent quality. Thanks for the suggestion, Scott.
> I didn't have to do much more than change an NSImageView to an IKImageView in InterfaceBuilder and the code.
>
> However, there doesn't appear to be an easy way to print a CGImageRef (which you get from an IKImageView) . So I figure for the printing case, I'll just open the file again and create an NSImage.
> Seems counterintuitive to open the file again, but its' probably easier than converting a CGImageRef to an NSImage.
> Interestingly, the quality of the printed NSImage is very good compared to the screen rendition. Never understood why that is.
For 10.6 and later, you can use -[NSImage initWithCGImage:size:] to create an NSImage from a CGImageRef.
For 10.5 and later, you can create an NSBitmapImageRep from your CGImageRef (-[NSBitmapImageRep initWithCGImage:]) and add the representation to an NSImage.
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