25 lines
		
	
	
		
			484 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			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);
 | |
| 	}
 | |
| }
 |