/* * File: trygraphics.c * ------------- * Eric Siegel testing graphics */ #include <stdio.h> #include "genlib.h" #include "simpio.h" #include "graphics.h" main() { double cx, cy; /* center of window */ double x, height; InitGraphics(); SetPenColor("Blue"); cx = GetWindowWidth() / 2; /* center of x-axis */ height = GetWindowHeight(); /* window height */ cy = height / 2; /* center of y-axis */ /* Draw an upside-down triangle */ for(x = -cx; x < cx; x = x + .01) { /* Change the increment to .05 */ MovePen(cx,0); /* for a cool effect! */ DrawLine(x,height); } /* MovePen(cx,cy); DrawArc(1, 0, 350); */ }
email: evs at cs dot columbia dot edu