Introduction - If you have any usage issues, please Google them yourself
		 
Procedures using the console (Console project) to achieve the basic graphics computer graphics, which for Bresenham algorithm Bresenham Line item, enter the start and finish  dda for the DDA algorithm for drawing a straight line items, enter the start and finish  mid_point for line stippling law project, enter the beginning and end  Bres_circle algorithm based on Bresenham drawcircle, enter the center point and radius  midpoint_circle drawcircle for the mid-point, including the fill, enter the center point and radius  midpointEllipse for oval stipple, including fill, enter the center point and the length of shaft  duobianxing for drawing polygons, including the filling, the importation of all vertices  fenxing_koch for koch curve fractal graphics, the scope of the importation of graphic display  snow for the Snowflake fractal graphics, the scope of the importation of graphic display.