+ var toGradient = function (gradient) {
+ if (typeof gradient == "string") {
+ gradient = gradient.split(separator);
+ var angle = gradient.shift();
+ if (angle.toLowerCase() == "v") {
+ angle = 90;
+ } else if (angle.toLowerCase() == "h") {
+ angle = 0;
+ } else {
+ angle = parseFloat(angle, 10);
+ }
+ angle = -angle;
+ var grobj = {angle: angle, type: "linear", dots: [], vector: [0, 0, Math.cos(angle * Math.PI / 180).toFixed(3), Math.sin(angle * Math.PI / 180).toFixed(3)]};
+ var max = 1 / (Math.max(Math.abs(grobj.vector[2]), Math.abs(grobj.vector[3])) || 1);
+ grobj.vector[2] *= max;
+ grobj.vector[3] *= max;
+ if (grobj.vector[2] < 0) {
+ grobj.vector[0] = -grobj.vector[2];
+ grobj.vector[2] = 0;
+ }
+ if (grobj.vector[3] < 0) {
+ grobj.vector[1] = -grobj.vector[3];
+ grobj.vector[3] = 0;
+ }
+ grobj.vector[0] = grobj.vector[0].toFixed(3);
+ grobj.vector[1] = grobj.vector[1].toFixed(3);
+ grobj.vector[2] = grobj.vector[2].toFixed(3);
+ grobj.vector[3] = grobj.vector[3].toFixed(3);
+ for (var i = 0, ii = gradient.length; i < ii; i++) {
+ var dot = {};
+ if (gradient[i].indexOf(":") != -1) {
+ var par = gradient[i].match(/^([^:]*):(\d*)/);
+ dot.color = getRGB(par[1]).hex;
+ dot.offset = par[2] + "%";
+ } else {
+ dot.color = getRGB(gradient[i]).hex;
+ }
+ grobj.dots.push(dot);
+ }
+ for (var i = 1, ii = grobj.dots.length - 1; i < ii; i++) {
+ if (!grobj.dots[i].offset) {
+ var start = parseFloat(grobj.dots[i - 1].offset || 0, 10),
+ end = false;
+ for (var j = i + 1; j < ii; j++) {
+ if (grobj.dots[j].offset) {
+ end = grobj.dots[j].offset;
+ break;
+ }
+ }
+ if (!end) {
+ end = 100;
+ j = ii;
+ }
+ end = parseFloat(end, 10);
+ var d = (end - start) / (j - i + 1);
+ for (; i < j; i++) {
+ start += d;
+ grobj.dots[i].offset = start + "%";
+ }
+ }
+ }
+ return grobj;
+ } else {
+ return gradient;
+ }
+ };