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Re: Background colour of rotated images

From: Tony Cook (
Date: Wed 28 Apr 2004 - 01:55:57 GMT

  • Next message: Andrew Green: "Re: Background colour of rotated images"

    On Tue, Apr 27, 2004 at 10:09:52AM +0100, Andrew Green wrote:
    > On Tue, 27 Apr 2004 10:46:30 +1000, Tony Cook wrote:
    > > You should be able to do it indirectly using rubthrough()...
    > Many thanks for this -- it's a vast improvement.
    > However, I'm afraid it still leaves a very faint outline of dark pixels
    > on the very edge of the rotated part of the image. Here's a couple of
    > URLs by way of demonstration:
    > before: http://guineapig.article7.co.uk/imager/pencil.jpg
    > after: http://guineapig.article7.co.uk/imager/pencil-rotated.jpg
    > Is there any way of avoiding this? I did think of adding a little
    > padding to the image before rotating it, and then trimming it off after
    > the rotation -- but I can't get my head round the calculations for how
    > much I'd need to trim off!

    I suspect until we add a parameter to accept a background color, your
    only workaround is going to be to add the padding as you suggested.