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Scaling Problem with CIAffineTransform
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Scaling Problem with CIAffineTransform


  • Subject: Scaling Problem with CIAffineTransform
  • From: Thomas Dingler <email@hidden>
  • Date: Wed, 29 Nov 2006 12:30:03 +0100

Hi,

I have a problem when scaling a black white image using CIAffineTransform.

I want to scale up a image from e.g. 16x16 px to e.g. 160x16 px.

I thought the result should be the same as in Photoshop but is isnt. The egdes are anti-aliased. So left and right of the image are gradients to transparent. This is not what I want :-). Is there a way to scale the image without Anti-Aliasing?

I loaded up a source image (http://www.thomasdingler.de/unscaled.jpg) and the resulting screenshot (http://www.thomasdingler.de/scaled.png) for explanation.

Thanks for every hint!

Thomas Dingler
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