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请问 如何合理的将人物图变透明,其他地方变得不透明?

请问 使用PaddleHub将人物图抠出来后,如何合理的将人物图变透明,其他地方变得不透明呢1590388674(1).jpg


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首先,将 canvas 上下文的 context.globalCompositeOperation 参数设为 xor
然后画一层图像铺满canvas
最后把人像画上去。


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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