On Jul 31, 2011, at 4:32 AM, Michael Babin wrote:
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.
Ok, I found the NSBitmapImageRep method for 10.5. So I can now print.
However, one problem -- the image does not get rotated to the proper
orientation.
ImageKit does this automatically for the screen image.
I was hoping to get rid of my rotation code, but maybe I have to keep
it for the printed image.
Jim Merkel
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