ref: c1d40df49550393f3afe53fb6e6d500dfa8eb7a8
dir: /sys/src/libmemdraw/arctest.c/
#include <u.h> #include <libc.h> #include <draw.h> #include <memdraw.h> #include <memlayer.h> void main(int argc, char **argv) { Memimage *x; Point c = {208,871}; int a = 441; int b = 441; int thick = 0; Point sp = {0,0}; int alpha = 51; int phi = 3; vlong t0, t1; int i, n; vlong del; if (argc != 2) { fprint(2, "usage: arctest number\n"); exits("usage"); } memimageinit(); x = allocmemimage(Rect(0,0,1000,1000), CMAP8); n = atoi(argv[1]); t0 = nsec(); t0 = nsec(); t0 = nsec(); t1 = nsec(); del = t1-t0; t0 = nsec(); for(i=0; i<n; i++) memarc(x, c, a, b, thick, memblack, sp, alpha, phi, SoverD); t1 = nsec(); print("%lld %lld\n", t1-t0-del, del); }