Hi Steve and David,
Thank you both for your comments; they were very helpful. I had
thought that I had to match the context to the image I was going to
use, but that's clearly wrong. I had missed that link to the supported
pixel formats - that's very informative.
Steve's comment also
On Nov 1, 2009, at 8:45 AM, thatsanicehatyouh...@mac.com wrote:
I'm trying to write code to avoid messages such as this:
Error: CGBitmapContextCreate: unsupported parameter combination: 8
integer bits/component; 16 bits/pixel; 1-component colorspace;
kCGImageAlphaPremultipliedFirst; 352
Why not alway create a CGBitmapContext of the desired size and in a
supported pixel format (see http://developer.apple.com/mac/library/qa/qa2001/qa1037.html
), then call CGContextDrawImage to draw the CGImage into the
context? Then you're always controlling the parameters.
CGRect bounds =
Hi,
I have some code where I'm downloading images from the internet.
They're probably all going to be jpegs, but I'm not making that
assumption in my code. I have no control over the images. I'm creating
a CGBitmapContext to manipulate them. Further, I'm scaling the image
(could be up or
