Re: [Pythonmac-SIG] CoreGraphics, 10.5

2008-02-18 Thread Erik van Blokland
On 18 feb 2008, at 09:30, Jack Jansen wrote: >> Are you sure your mask is actually greyscale? If I looks as if >> there's a repeating pattern in your result image. Maybe you could >> also use an assert to make sure bitsPerComponent() == >> bitsPerPixel() and #components==1. The mask.tif

Re: [Pythonmac-SIG] CoreGraphics, 10.5

2008-02-18 Thread Jack Jansen
Are you sure your mask is actually greyscale? If I looks as if there's a repeating pattern in your result image. Maybe you could also use an assert to make sure bitsPerComponent() == bitsPerPixel() and #components==1. On 16-Feb-2008, at 13:45 , Erik van Blokland wrote: Folks, I've been