poly.c - vx32 - Local 9vx git repository for patches.
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poly.c (483B)
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1 #include "u.h"
2 #include "lib.h"
3 #include "draw.h"
4 #include "memdraw.h"
5 #include "memlayer.h"
6
7 void
8 mempoly(Memimage *dst, Point *vert, int nvert, int end0, int end1, int radius, Memimage *src, Point sp, int op)
9 {
10 int i, e0, e1;
11 Point d;
12
13 if(nvert < 2)
14 return;
15 d = subpt(sp, vert[0]);
16 for(i=1; i<nvert; i++){
17 e0 = e1 = Enddisc;
18 if(i == 1)
19 e0 = end0;
20 if(i == nvert-1)
21 e1 = end1;
22 memline(dst, vert[i-1], vert[i], e0, e1, radius, src, addpt(d, vert[i-1]), op);
23 }
24 }