Questions about the technique of smoothing transitions between color fields within an image. Anti-aliasing is used in digital photography, computer graphics, digital audio, and many other applications.

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Correct anti-aliasing color when moving to a new background?

look at the bottom of the two lines To make the line appear smooth, intermediate colors between the color of the background and the line have been added at its edge. In this case, black has been ...
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how do I import an eps into GIMP with a different background color?

I'd like to import an image into GIMP and have it antialiaed with a custom background color. I don;t see a way to import an eps that doesn;t automatically set the color to anti-alias against as white. ...
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Apply map to rgba values in Paint.NET

I have a PNG image containing a white shape on an orange background. In the existing image, the orange-white edges have a gradient so they appear smooth. I would like the background colour to be ...