David,
perhaps I'm missing something simple... Is there some reason that you
are using NSBitmapImageRep to handle the jpg file?
why not use CGImageSource to read your jpg file, create a CGImage from
the CGImageSource, draw the new CGImage into a CGBitmapContext, do
your additional drawing; and then extract a final CGImage from the
CGBitmapContext with CGBitmapContextCreateImage?
regards,
douglas
On Feb 24, 2009, at 12:41 PM, David Alter wrote:
What I want to do is create the NSBitmapImageRep from a jpg. Draw
into the
image and extract a CGImageRef out. I need to be able to access
the individual pixels of the image. Maybe there is a better way to
do this?
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