Re: Create NSImage from array of integers
Re: Create NSImage from array of integers
- Subject: Re: Create NSImage from array of integers
- From: David Spooner <email@hidden>
- Date: Wed, 31 Oct 2007 17:16:14 -0600
Wouldn't a more direct approach be to create an NSBitmapImageRep from
the bitmapData using -initWithBitmapDataPlanes:... and then use
NSImage -initWithSize: and -addRepresentation:?
dave
On 31-Oct-07, at 4:14 PM, Bill Dudney wrote:
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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