[Obama Poster Effect]

Broken link, and I can't seem to find the other discussion. Anyone know where it went?

[Change all blue to green]

If I have an image that has plenty of a certain hex colour A in it, and I want to change all pixels of that colour to another hex colour B, how do I do that?

I want it to intelligently convert pixels of other colours, i.e. a colour that is half-grey half-A becomes half-grey half-B, a pixel that is transparentesque A becomes transparentesque B, and so on.

How do I do this on paint.net or possibly with any online tool available.

Sonja

[Flip layer horizontal (without flipping whole image)]

When I go in Layers > Flip Horizontal, it seems to flip my whole canvas, not just the layer I have selected. What am I doing wrong?

[scaling algorithm error?]

Paint.Net seems to fail this test. Has this already been discussed or scheduled for fixing?

http://www.4p8.com/eric.brasseur/gamma.html