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Re: Create NSImage from array of integers
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Re: Create NSImage from array of integers


  • Subject: Re: Create NSImage from array of integers
  • From: Bill Dudney <email@hidden>
  • Date: Wed, 31 Oct 2007 15:14:40 -0700

 Hi Jason,

This is a job for Quartz i believe.

If you know the exact pixel layout and such I'd think you could create a bitmap context and then get the image from that;

        void* bitmapData = load your array of ints;
        CGContextRef context = CGBitmapContextCreate(bitmapData, size.width, size.height, bitsPerComponent,  bytesPerRow, CGColorSpaceCreateWithName(kCGColorSpaceGenericGray), kCGImageAlphaNone);
        image = CGBitmapContextCreateImage(context);

I think this will work. You might have to tweak some of the args to the context create to get it to draw properly.

Good Luck,

-bd-
http://bill.dudney.net/roller/objc

On Wednesday, October 31, 2007, at 03:13PM, "Jason Horn" <email@hidden> wrote:
>I need some help creating an NSBitmapImageRep or an NSImage from a
>proprietary file. I have figured out how to load the data from the
>file into an array of integers.  I'm not sure what to do from there.
>The image is a greyscale image with 16 bit integers (unsigned int).
>Separately, I have the dimensions of the image (640 x 480).
>
>Any thoughts?
>
>Thanks,
>
>- Jason
>
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