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NSImage data size restriction?
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NSImage data size restriction?


  • Subject: NSImage data size restriction?
  • From: "Alan Smith" <email@hidden>
  • Date: Sat, 28 Apr 2007 18:32:09 -0400

Hello,

I'm having trouble creating a NSImage from data returned by - NSView
dataWithPDFInsideRect:. The data is fine but I can't create a NSImage
from it, or NSBitmapImageRep for that matter. When I try

NSImage *masterImage = [[NSImage alloc] initWithData: imageData];

masterImage is nil. If the PDF data is smaller it works fine. There
seems to be a point at which NSImage and fam can't/refuses to make an
image from.
I've tried writing the NSData to disk and it comes out fine, the file
is 40KB and it's all there.
Out of curiosity I logged the length of the data: 37917.

I could get the PDF data in pieces and make several NSImages but I
need it all in one NSImage. I could get it in pieces and then
composite the pieces into a full-size image but that is a last resort,
and I haven't tested it so I'm not positive it will work.

If the solution, whatever it may be, works on 10.3 that would be best.

Has anyone else had this problem?

Peace, Alan


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