BitmapData Effects: Circle Art « Summit Projects Flash BlogThe way this works is actually quite simple. At it’s core, Circle Art is responsible for reading a pixel and examining pixels in four directions (up, down, left, right) until the examined pixel’s color exceeds a given tolerance from the source pixel’s color. Once all four points have been found, we draw a circle centered inbetween the four points and color it the source pixel’s color. That is, ess
