[magick-users] Serious Magick++ slow-down in underlying Reduce()

[Anthony Thyssen]

duc.sequere.aut.de.via.decede at imagemagick.org on  wrote...
| > Though, it is the OverCompositeOp that I must use.
| 
| Color reduction is slowed considerably when an image has an alpha channel.
| Set image.matte(false) and the processing time should be decreased.

The new experimental  -alpha  options should allow you to turn off matte
then turn it on again afetrward without losing the alpha channel.

  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
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