Anti-Aliased Curve Algorithms
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There are three algorithms discussed.

1. "Wu-style" circle anti-aliased algorithm. Source. Demo.
2. "Linear-constraint" circle algoritm. Source. Demo.
3. Implicit curve anti-aliased algorithm. Draft. Source. Concept-Demo.

The first algorithm uses sqrt function either 
to precalculate fractions of sqrt or 
to calculate sqrt when calculating intensities of the pixels.
Here are the legacy pages

The second and third algorithms do not use sqrt function and any of float or
double precision operations. Only integers are used.


Copyright (C) 2011 Konstantin Kirillov. MIT License

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