Graphic+Algorithms+to+include

> [|Digital Differential Analyzer (graphics algorithm)] > [|Bresenham's line algorithm] > [|Xiaolin Wu's line algorithm] > [|De Boor's algorithm] > [|De Casteljau's algorithm]
 * [|Even-odd rule from Wikipedia]
 * [|Flood fill from Wikipedia]
 * [|Line drawing algorithm from Wikipedia]
 * [|Ray tracing (graphics) from Wikipedia]
 * [|Spline interpolation from Wikipedia]