#include <stdlib.h>
#include <stdio.h>
#include "vogle.h"

static char ident[] = "@(#) show basic line drawing, text and (if applicable) color";

/*
 *
 * As none of the projection routines have been called we
 * move and draw in the initial coordinate system -1.0 to 1.0.
 */
int main(ac, av)
   int   ac;
   char  **av;
{
   char  device[10], *p;
   float cw, ch;

   fprintf(stderr,"Enter output device: ");
   gets(device);

   prefsize(300, 300);
   prefposition(100, 100);
   vinit(device);  /* set up device */

   if (ac == 2)
      font(av[1]); /* change font to the argument */

   color(BLACK);  /* set current color */
   clear();  /* clear screen to current color */

   color(GREEN);
         /* 2 d move to start where we want drawstr to start */
   move2(-0.9, 0.9);

   /* draw string in current color */
   drawstr("A Simple Example 0 1 2 3 4 5 6 7 8 9"); 

   /*
    * the next four lines draw the x 
    */
   move2(0.,0.);
   draw2(.76,.76);
   move2(0.,.76);
   draw2(.76,0.);

   move2(0.0,0.5);
   drawstr("x done");
   drawstr("next sentence");

   move2(0.0,0.1);
/* for (p = "hello world"; *p != (void)NULL; p++) */
   for (p = "hello world"; *p != (char)NULL; p++) 
      drawchar(*p);  /* draw the string one char at a time */

   /*
    * the next five lines draw the square
    */
   move2(0.,0.);
   draw2(.76,0.);
   draw2(.76,.76);
   draw2(0.,.76);
   draw2(0.,0.);

   getkey();  /* wait for some input */

   vexit();  /* set the screen back to its original state */
}