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Print preview bug

I'm making a barcode app. When I'm trying to print it the preview just shows a black rectangle on my barcode. My barcode is an svg The code basically adds that svg to an … (了解更多)

I'm making a barcode app. When I'm trying to print it the preview just shows a black rectangle on my barcode. My barcode is an svg The code basically adds that svg to an empty print window.

Khatteya Huot 于 1 天前提问

最后由 Khatteya Huot 于 8 小时前回复