9. The unified framework of claim 3 , wherein the line-drawing brushers comprise a 3D polygon brusher, a 2D projection brusher, and a brusher that has an unchangeable property due to absence of 3D information, and the face-painting brushers comprise a color brusher and a texture brusher.
3. The unified framework of claim 1 , wherein the face painting means comprises brusher group processing means for providing face-painting brushers according to the face painting method, and the line drawing means comprises brusher group processing means for providing line-drawing brushers according to the line-drawing method.