Drawing methods edges aren't smooth

Originally posted by @radarhere in https://github.com/python-pillow/Pillow/issues/4895#issuecomment-1013763728

@DeusAres could you create a new issue with more detail?

In general the drawing methods don't have an antialiasing method, meaning that curves and lines that aren't straight are affected by pixelation:

I'm asking if there will be an implemention, like kerneling the drawn figures with methods such gaussian blur and to apply antialiasing so super-sampling can be avoided

The way that I use to superSample is to resize N times (2<=N<=8) the width and height and resize it back with Image.ANTIALIAS resampling

Taking this image in account:

It's a simple circle using .ellipse() method on a 1000x1000 canvas but the edges aren't smooth because of the pixelation. The bigger the figure the less it's noticeable of course but that isn't the way to solve the issue

Start with Pillow's drawing methods, especially the .ellipse() entry point described in the issue, and compare its edges with the existing Image.ANTIALIAS resize approach. Determine the intended antialiasing behavior for curves and lines, then validate the result against the reported pixelation example and define coverage for other drawing methods.