konva
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<p align="center"> <img src="https://raw.githubusercontent.com/konvajs/konvajs.github.io/master/apple-touch-icon-180x180.png" alt="Konva logo" height="180" /> </p>
62 lines (61 loc) • 2.53 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Util_1 = require("../Util");
var Factory_1 = require("../Factory");
var Shape_1 = require("../Shape");
var Validators_1 = require("../Validators");
var Global_1 = require("../Global");
var Star = (function (_super) {
__extends(Star, _super);
function Star() {
return _super !== null && _super.apply(this, arguments) || this;
}
Star.prototype._sceneFunc = function (context) {
var innerRadius = this.innerRadius(), outerRadius = this.outerRadius(), numPoints = this.numPoints();
context.beginPath();
context.moveTo(0, 0 - outerRadius);
for (var n = 1; n < numPoints * 2; n++) {
var radius = n % 2 === 0 ? outerRadius : innerRadius;
var x = radius * Math.sin((n * Math.PI) / numPoints);
var y = -1 * radius * Math.cos((n * Math.PI) / numPoints);
context.lineTo(x, y);
}
context.closePath();
context.fillStrokeShape(this);
};
Star.prototype.getWidth = function () {
return this.outerRadius() * 2;
};
Star.prototype.getHeight = function () {
return this.outerRadius() * 2;
};
Star.prototype.setWidth = function (width) {
this.outerRadius(width / 2);
};
Star.prototype.setHeight = function (height) {
this.outerRadius(height / 2);
};
return Star;
}(Shape_1.Shape));
exports.Star = Star;
Star.prototype.className = 'Star';
Star.prototype._centroid = true;
Star.prototype._attrsAffectingSize = ['innerRadius', 'outerRadius'];
Global_1._registerNode(Star);
Factory_1.Factory.addGetterSetter(Star, 'numPoints', 5, Validators_1.getNumberValidator());
Factory_1.Factory.addGetterSetter(Star, 'innerRadius', 0, Validators_1.getNumberValidator());
Factory_1.Factory.addGetterSetter(Star, 'outerRadius', 0, Validators_1.getNumberValidator());
Util_1.Collection.mapMethods(Star);