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clip（裁剪）的方法出现黑色图片或黑线 #3

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lee0726 opened this issue Mar 15, 2018 · 0 comments

lee0726 commented Mar 15, 2018 •

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发现 clip（裁剪）的方法，在IOS下处理图片是黑色的，按照 drawMag 方法修改srcX,srcY为负的情况，但不知道如何处理 drawX， drawY 的数据，JS不熟悉，还请大神赐教。

附上黑线图片，原图是没有黑线的，再不点击拖动的情况下，点击裁剪后就出现了

lee0726 changed the title ~~clip（裁剪）的方法出现黑色图片问题~~ clip（裁剪）的方法出现黑色图片或黑线

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