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40 lines
1.2 KiB
40 lines
1.2 KiB
4 weeks ago
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import { __extends } from "tslib";
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import Path from '../Path.js';
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var EllipseShape = (function () {
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function EllipseShape() {
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this.cx = 0;
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this.cy = 0;
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this.rx = 0;
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this.ry = 0;
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}
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return EllipseShape;
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}());
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export { EllipseShape };
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var Ellipse = (function (_super) {
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__extends(Ellipse, _super);
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function Ellipse(opts) {
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return _super.call(this, opts) || this;
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}
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Ellipse.prototype.getDefaultShape = function () {
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return new EllipseShape();
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};
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Ellipse.prototype.buildPath = function (ctx, shape) {
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var k = 0.5522848;
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var x = shape.cx;
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var y = shape.cy;
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var a = shape.rx;
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var b = shape.ry;
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var ox = a * k;
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var oy = b * k;
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ctx.moveTo(x - a, y);
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ctx.bezierCurveTo(x - a, y - oy, x - ox, y - b, x, y - b);
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ctx.bezierCurveTo(x + ox, y - b, x + a, y - oy, x + a, y);
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ctx.bezierCurveTo(x + a, y + oy, x + ox, y + b, x, y + b);
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ctx.bezierCurveTo(x - ox, y + b, x - a, y + oy, x - a, y);
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ctx.closePath();
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};
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return Ellipse;
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}(Path));
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Ellipse.prototype.type = 'ellipse';
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export default Ellipse;
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