423     R.angle = function (x1, y1, x2, y2, x3, y3) {  argument
425             var x = x1 - x2,
432             return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
1276             x2: bbox.max.x,
1296         return x >= bbox.x && x <= bbox.x2 && y >= bbox.y && y <= bbox.y2;
1313             || i(bbox2, bbox1.x2, bbox1.y)
1315             || i(bbox2, bbox1.x2, bbox1.y2)
1317             || i(bbox1, bbox2.x2, bbox2.y)
1319             || i(bbox1, bbox2.x2, bbox2.y2)
1320             || (bbox1.x < bbox2.x2 && bbox1.x > bbox2.x || bbox2.x < bbox1.x2 && bbox2.x > bbox1.x)
1328     function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {  argument
1340                 xbase = base3(ct, x1, x2, x3, x4),
1347     function getTatLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {  argument
1348         if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {
1356         l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1360             l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1364     function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {  argument
1366             mmax(x1, x2) < mmin(x3, x4) ||
1367             mmin(x1, x2) > mmax(x3, x4) ||
1373         var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),
1374             ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),
1375             denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
1385             px2 < +mmin(x1, x2).toFixed(2) ||
1386             px2 > +mmax(x1, x2).toFixed(2) ||
1492         var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2,
1512                         x2 = x2m = pj[1];
1516                             bez2 = [x2, y2].concat(pj.slice(1));
1517                             x2 = bez2[6];
1520                             bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];
1521                             x2 = x2m;
1558                interPathHelper(path, [["M", x, y], ["H", bbox.x2 + 10]], 1) % 2 == 1;
1592             return {x: 0, y: 0, width: 0, height: 0, x2: 0, y2: 0};
1624                 x2: xmax,
1815         l2c = function (x1, y1, x2, y2) {  argument
1816             return [x1, y1, x2, y2, x2, y2];
1818         q2c = function (x1, y1, ax, ay, x2, y2) {  argument
1824                     _13 * x2 + _23 * ax,
1826                     x2,
1830         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {  argument
1846                 xy = rotate(x2, y2, -rad);
1847                 x2 = xy.x;
1851                     x = (x1 - x2) / 2,
1863                     cx = k * rx * y / ry + (x1 + x2) / 2,
1869                 f2 = x2 < cx ? PI - f2 : f2;
1887                     x2old = x2,
1890                 x2 = cx + rx * math.cos(f2);
1892                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
1904                 m3 = [x2 + hx * s2, y2 - hy * c2],
1905                 m4 = [x2, y2];
2253                         x2,
2260                             x2 = inver.x(t[1], t[2]);
2262                             m.translate(x2 - x1, y2 - y1);
2273                                 x2 = inver.x(t[2], t[3]);
2275                                 m.rotate(t[1], x2, y2);
2289                                 x2 = inver.x(t[3], t[4]);
2291                                 m.scale(t[1], t[2], x2, y2);
4288             var t0, t1, t2, x2, d2, i;
4290                 x2 = sampleCurveX(t2) - x;
4291                 if (abs(x2) < epsilon) {
4298                 t2 = t2 - x2 / d2;
4310                 x2 = sampleCurveX(t2);
4311                 if (abs(x2 - x) < epsilon) {
4314                 if (x > x2) {
5005             x2 = [],
5011             x2.push(box.x + box.width);
5016         x2 = mmax[apply](0, x2);
5021             x2: x2,
5023             width: x2 - x,