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Can \includegraphics be used to change an image color?

Is it possible to include a color figure and export it in black and white, converting it at compile time?

Something like the following:

\includegraphics[blackandwhite]{myfigure.png} % Not working code!!

marked as duplicate by Loop Space, Paulo Cereda, Joseph Wright Aug 17 '12 at 10:33

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    Sadly, it's not possible to achieve that with \includegraphics. I'm afraid you'll need to convert the images by hand with another tool, e.g, with ImagicMagick's convert. :( – Paulo Cereda Aug 17 '12 at 10:07

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