/**
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* 圆形
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*/
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import Path, { PathProps } from '../Path';
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export class CircleShape {
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cx = 0
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cy = 0
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r = 0
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}
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export interface CircleProps extends PathProps {
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shape?: Partial<CircleShape>
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}
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class Circle extends Path<CircleProps> {
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shape: CircleShape
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constructor(opts?: CircleProps) {
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super(opts);
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}
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getDefaultShape() {
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return new CircleShape();
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}
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buildPath(ctx: CanvasRenderingContext2D, shape: CircleShape) {
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// Use moveTo to start a new sub path.
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// Or it will be connected to other subpaths when in CompoundPath
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ctx.moveTo(shape.cx + shape.r, shape.cy);
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ctx.arc(shape.cx, shape.cy, shape.r, 0, Math.PI * 2);
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}
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};
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Circle.prototype.type = 'circle';
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export default Circle;
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