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[whitto]

I would like to make bash script (linux), which would as input take original image and result in image, that would be preview of how original image would look like printed on coloured paper.
In short:

• Take original image.
• Take (for example) red paper.
• Combine paper and original image as would look if original image was printed on red paper.

Can anyone help?

[snibgo]

I think this would work:

1. Make a hald:8 image.

2. Scale this up.

3. Print it on coloured paper.

4. Scan it.

5. Reduce the scan to the original dimensions.

This gives you an image you would use in "-hald-clut" that would simulate printing any image on that colour of paper. You would need create a hald-clut image for all the different colours of paper.