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- import { EImageType } from '@models';
- /**
- * 将一个canvas对象转变为一个File（Blob）对象
- * 该方法可以做压缩处理
- *
- * @param {canvas} canvas
- * @param {number=} quality - 传入范围 0-1，表示图片压缩质量，默认0.92
- * @param {string=} type - 确定转换后的图片类型，选项有 "image/png", "image/jpeg", "image/gif",默认"image/jpeg"
- * @returns {Promise(Blob)}
- */
- export default function canvastoFile(canvas: HTMLCanvasElement, quality: number = 0.92, type: EImageType = EImageType.JPEG): Promise<Blob> {
- return new Promise(resolve => canvas.toBlob(blob => resolve(blob), type, quality));
- };
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