fix: calculateBackgroundRendering may return width or height less than 1 #2982
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Bug:
Bug reports:
Failed to execute 'createPattern' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or height of 0.
I console the value of width and height , find that the height is less than 1 caught this error
![image](https://user-images.githubusercontent.com/19306050/198588730-f0c74bca-5320-49b2-881d-47333e79a9a4.png)
![image](https://user-images.githubusercontent.com/19306050/198585797-17d2e75f-5a00-43be-bba0-ce14b47dd8d5.png)
calculateBackgroundRendering function return value width height may be less than 1, then createPattern function throw error
Closing issues
Fixes #2981