#include "defn.h"

circle(type)
int     type;
{
   float       radius;
   float       start_angle = 0;
   float       end_angle = 360;
   float       chord_angle = 0;
   float       Xc, Yc;
   float       percent;
   float       distance;
   float       length;
   float       angle;

   end_draw();

   switch (type)
   {
   case RDGLCIRCLE:
       if (SIGNED_NUMERIC)
           radius = getval() * XSCALE;
       if (SIGNED_NUMERIC)
           chord_angle = getval();
       Xc = absX;
       Yc = absY;
       break;

   case CIRCLE:
       if (SIGNED_NUMERIC)
           absX = Xc = getval() * XSCALE;
       if (SIGNED_NUMERIC)
           absY = Yc = getval() * YSCALE;
       if (SIGNED_NUMERIC)
           radius = getval() * XSCALE;
       if (SIGNED_NUMERIC)
           start_angle = getval();
       if (SIGNED_NUMERIC)
           end_angle = getval();
       if (SIGNED_NUMERIC)
           chord_angle = getval();
       break;

   case RCIRCLE:
       if (SIGNED_NUMERIC)
           radius = getval() * XSCALE;
       if (SIGNED_NUMERIC)
           start_angle = getval();
       if (SIGNED_NUMERIC)
           end_angle = getval();
       if (SIGNED_NUMERIC)
           chord_angle = getval();
       angle = deg_rad * (90.0 - start_angle);
       Xc = absX - radius * cos(angle);
       angle = deg_rad * (90.0 - start_angle);
       Yc = absY + radius * sin(angle);
       break;

   case CCIRCLE:
       if (SIGNED_NUMERIC)
          absX = getval() * XSCALE;
       if (SIGNED_NUMERIC)
          absY = getval() * YSCALE;
       break;

   case ACIRCLE:
       Xc = absX;
       Yc = absY;
       if (SIGNED_NUMERIC)
           radius = getval() * XSCALE;
       if (SIGNED_NUMERIC)
           start_angle = getval();
       if (SIGNED_NUMERIC)
           end_angle = getval();
       if (SIGNED_NUMERIC)
           chord_angle = getval();
       break;

   case SCIRCLE:
       if (SIGNED_NUMERIC)
           percent = getval();
       if (SIGNED_NUMERIC)
           distance = getval();
       if (SIGNED_NUMERIC)
           length = getval();
       fprintf("Warning: segment and indication lines not available yet\n");
       break;
   }

   printf("%g %g %g %g %g %g Ellipse\n",
               Xc, Yc, radius, radius, start_angle, end_angle);
}