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fix: this.canvas.ownerDocument is undefined (#2590)

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Niklas von Hertzen 2021-07-15 17:08:43 +08:00 committed by GitHub
parent cd99f11b1b
commit 45efe54da8
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1 changed files with 2 additions and 1 deletions
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src/render/canvas/canvas-renderer.ts
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@ -552,7 +552,8 @@ export class CanvasRenderer {
return image; return image;
} }
const canvas = (this.canvas.ownerDocument as Document).createElement('canvas'); const ownerDocument = this.canvas.ownerDocument ?? document;
const canvas = ownerDocument.createElement('canvas');
canvas.width = Math.max(1, width); canvas.width = Math.max(1, width);
canvas.height = Math.max(1, height); canvas.height = Math.max(1, height);
const ctx = canvas.getContext('2d') as CanvasRenderingContext2D; const ctx = canvas.getContext('2d') as CanvasRenderingContext2D;