import { createSizedArray, } from '../helpers/arrays'; import pointPool from '../pooling/point_pool'; function ShapePath() { this.c = false; this._length = 0; this._maxLength = 8; this.v = createSizedArray(this._maxLength); this.o = createSizedArray(this._maxLength); this.i = createSizedArray(this._maxLength); } ShapePath.prototype.setPathData = function (closed, len) { this.c = closed; this.setLength(len); var i = 0; while (i < len) { this.v[i] = pointPool.newElement(); this.o[i] = pointPool.newElement(); this.i[i] = pointPool.newElement(); i += 1; } }; ShapePath.prototype.setLength = function (len) { while (this._maxLength < len) { this.doubleArrayLength(); } this._length = len; }; ShapePath.prototype.doubleArrayLength = function () { this.v = this.v.concat(createSizedArray(this._maxLength)); this.i = this.i.concat(createSizedArray(this._maxLength)); this.o = this.o.concat(createSizedArray(this._maxLength)); this._maxLength *= 2; }; ShapePath.prototype.setXYAt = function (x, y, type, pos, replace) { var arr; this._length = Math.max(this._length, pos + 1); if (this._length >= this._maxLength) { this.doubleArrayLength(); } switch (type) { case 'v': arr = this.v; break; case 'i': arr = this.i; break; case 'o': arr = this.o; break; default: arr = []; break; } if (!arr[pos] || (arr[pos] && !replace)) { arr[pos] = pointPool.newElement(); } arr[pos][0] = x; arr[pos][1] = y; }; ShapePath.prototype.setTripleAt = function (vX, vY, oX, oY, iX, iY, pos, replace) { this.setXYAt(vX, vY, 'v', pos, replace); this.setXYAt(oX, oY, 'o', pos, replace); this.setXYAt(iX, iY, 'i', pos, replace); }; ShapePath.prototype.reverse = function () { var newPath = new ShapePath(); newPath.setPathData(this.c, this._length); var vertices = this.v; var outPoints = this.o; var inPoints = this.i; var init = 0; if (this.c) { newPath.setTripleAt(vertices[0][0], vertices[0][1], inPoints[0][0], inPoints[0][1], outPoints[0][0], outPoints[0][1], 0, false); init = 1; } var cnt = this._length - 1; var len = this._length; var i; for (i = init; i < len; i += 1) { newPath.setTripleAt(vertices[cnt][0], vertices[cnt][1], inPoints[cnt][0], inPoints[cnt][1], outPoints[cnt][0], outPoints[cnt][1], i, false); cnt -= 1; } return newPath; }; ShapePath.prototype.length = function () { return this._length; }; export default ShapePath;