conterm/libmemdraw/poly.c
Russ Cox 934846f35c a
2005-08-08 12:50:13 +00:00

25 lines
484 B
C

#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include <memlayer.h>
void
mempoly(Memimage *dst, Point *vert, int nvert, int end0, int end1, int radius, Memimage *src, Point sp, int op)
{
int i, e0, e1;
Point d;
if(nvert < 2)
return;
d = subpt(sp, vert[0]);
for(i=1; i<nvert; i++){
e0 = e1 = Enddisc;
if(i == 1)
e0 = end0;
if(i == nvert-1)
e1 = end1;
memline(dst, vert[i-1], vert[i], e0, e1, radius, src, addpt(d, vert[i-1]), op);
}
}