Legacy ImageMagick Discussions Archive

Great! This produces completely the same output as expected:

convert test.jpg -set colorspace RGB \( -clone 0 -fill '#330000' -colorize 100% \) \( -clone 0 -colorspace gray -negate \) -compose blend -define compose:args=100,0 -composite test.jpg

(mind the added -set colorspace RGB )

Thank you ...

I compiled my own latest upstream version of ImageMagick and it produced the same, wrong output.

$ convert --version
Version: ImageMagick 6.8.3-9 2013-03-15 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2013 ImageMagick Studio LLC
Features: DPC OpenMP
Delegates: bzlib djvu mpeg ...

I found Instagraph PHP library ( GitHub , NetTuts ) for photo filters. However, I found out on my box it does not output the same images as presented on NetTuts.

I localized the issue and it has to be within colortone function, because otherwise filters work well. Let's take Toaster as a showcase ...