Archive for October, 2012

Creating a glow effect

Posted: October 4, 2012 in clisk, Uncategorized
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Quick tutorial on how to create a “glow” effect for any image / shape in Clojure with Clisk.


The idea behind the glow effect is to do the following:

  • Start with an image that has an alpha channel indicating which areas are transparent
  • Extract the alpha channel to get the pure shape of the object
  • Create a glow effect by applying a blur filter to the shape
  • Superimpose the original object on top of the glow



Image filtering

Posted: October 1, 2012 in clisk
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Released clisk 0.4.4 with functionality to support image filters.

Example below: