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/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <draw.h> voidline(Image *dst, Point p0, Point p1, int end0, int end1, int radius, Image *src, Point sp){	lineop(dst, p0, p1, end0, end1, radius, src, sp, SoverD);} voidlineop(Image *dst, Point p0, Point p1, int end0, int end1, int radius, Image *src, Point sp, Drawop op){	uchar *a; 	_setdrawop(dst->display, op); 	a = bufimage(dst->display, 1+4+2*4+2*4+4+4+4+4+2*4);	if(a == 0){		fprint(2, "image line: %r\n");		return;	}	a[0] = 'L';	BPLONG(a+1, dst->id);	BPLONG(a+5, p0.x);	BPLONG(a+9, p0.y);	BPLONG(a+13, p1.x);	BPLONG(a+17, p1.y);	BPLONG(a+21, end0);	BPLONG(a+25, end1);	BPLONG(a+29, radius);	BPLONG(a+33, src->id);	BPLONG(a+37, sp.x);	BPLONG(a+41, sp.y);}