130161/ice.i.ok

   1                     struct displayfuncs {
   2         void (*init) ();
   3         };
   4           typedef struct gpsdisplay {
   5         struct displayfuncs *funcs;
   6         }
   7           GPSDisplay;
   8           static void PSMyArc(double cx, double cy, double radx, double rady, double sa, double ta) {
   9         double ea;
  10         double temp;
  11         ea = sa + ta;
  12         while (sa < ea) {
  13       temp = ((int)((sa + 90) / 90)) * 90;
  14       PSDoArc(cx, sa, ea < temp ? ea : temp);
  15       sa = temp;
  16       }
  17         }
  18           static void PSDrawElipse() {
  19         float cx;
  20         float cy;
  21         float radx;
  22         float rady;
  23         if (radx != rady) PSMyArc(cx, cy, radx, rady, 0, 360);
  24         }
  25           static void PSDrawFillCircle() {
  26         PSDrawElipse();
  27         }
  28           static struct displayfuncs psfuncs[] = {
  29         PSDrawFillCircle };
  30           void _GPSDraw_CreateDisplay() {
  31         GPSDisplay *gdisp;
  32         gdisp->funcs = (void *)&psfuncs;
  33         }