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#include "Vlib.h"
void VDrawPolygon(v, win, gc, poly)
Viewport *v;
Window win;
GC gc;
VPolygon *poly; {
VPoint *p;
XPoint xpt[VmaxVP];
int i;
Drawable d;
d = (v->flags & VPPixmap) ? (Drawable) v->monoPixmap : (Drawable) win;
if (poly == (VPolygon *) NULL)
return;
for ((i=0, p=poly->vertex); i<poly->numVtces; (++i, ++p)) {
if (v->flags & VPPerspective) {
xpt[i].x = (v->Middl.x + (int) (v->Scale.x * p->x / p->z)) >> 2;
xpt[i].y = (v->Middl.y - (int) (v->Scale.y * p->y / p->z)) >> 2;
}
else {
xpt[i].x = (v->Middl.x + (int) (v->Scale.x * p->x)) >> 2;
xpt[i].y = (v->Middl.y - (int) (v->Scale.y * p->y)) >> 2;
}
}
if (i > 0) {
xpt[i] = xpt[0];
XDrawLines (v->dpy, d, gc, xpt, i+1, CoordModeOrigin);
}
}
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