Grayscale image

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How I can make a grayscale image from set?
Am I must make a new function or can I use an available function on concrete5?
and how I can make it integrate with block?

Thanks for help :)

goesredy
 
adajad replied on at Permalink Reply
adajad
Have you seen the Canvas Method described here? http://www.ajaxblender.com/howto-convert-image-to-grayscale-using-j...

I have not tried it myself, but looks promising for what you are trying to achieve.
goesredy replied on at Permalink Reply
goesredy
That's not good solution for me, because it run very slowly and make browser not responding at low-end computer