@visactor/vrender-core/es/graphic/builtin-symbol/diamond.js

```typescript import { xxx } from '@visactor/vrender-core'; ```

import { BaseSymbol } from "./base";

export function diamond(ctx, r, x, y, z) {
    return ctx.moveTo(x, y - r, z), ctx.lineTo(r + x, y, z), ctx.lineTo(x, y + r, z), 
    ctx.lineTo(x - r, y, z), ctx.closePath(), !0;
}

export class DiamondSymbol extends BaseSymbol {
    constructor() {
        super(...arguments), this.type = "diamond", this.pathStr = "M-0.5,0L0,-0.5L0.5,0L0,0.5Z";
    }
    draw(ctx, size, x, y, z) {
        return diamond(ctx, this.parseSize(size) / 2, x, y, z);
    }
    drawFitDir(ctx, size, x, y, z) {
        return diamond(ctx, this.parseSize(size) / 2, x, y, z);
    }
    drawOffset(ctx, size, x, y, offset, z) {
        return diamond(ctx, this.parseSize(size) / 2 + offset, x, y, z);
    }
}

export default new DiamondSymbol;
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