给组件加上水印
使用图像水印建议同时设置文本, 这样图像加载失败时会使用后备的文本水印
| 属性名 | 类型 | 是否必须 | 默认值 | 说明 |
|---|---|---|---|---|
| fillColor | string | CanvasGradient | CanvasPattern | undefined | no | 填充色 | |
| font | { fontSize?: string | number | undefined; fontWeight?: number | "normal" | "light" | "weight" | undefined; fontStyle?: "none" | "normal" | "italic" | "oblique" | undefined; fontFamily?: string | undefined; } | undefined | no | ||
| gap | [number, number] | undefined | no | ||
| height | number | undefined | no | ||
| imageSrc | string | undefined | no | 图像url | |
| offset | [number, number] | undefined | no | ||
| rotate | number | undefined | no | -22 | 旋转度数, 正数顺时针, 负数逆时针 |
| text | string | string[] | undefined | no | ||
| width | number | undefined | no |