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Q25:当放大倍数大于等于2时,出现报错 #48

@thgpddl

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@thgpddl

报错信息如下,原因是y代表的y坐标超过了原图(128*128)本身的大小
image

解决方案:由于是运算过程中产生可比如127.5最后向上(round)取整得到128,将向上取整改为向下取整(floor)可以解决

  • 向上取整:
    image

  • 向下取整:
    image

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