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canvas绘制透明图片的问题

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in Technique[技术] by (71.8m points)

canvas绘制透明图片的问题

如图：
微信截图_20200222120637.png

小老虎的图片是透明底的，但是绘制到canvas上背景不是透明了的了。淡绿色是我给canvas设置的背景色。canvas无论设置什么背景色都会出现这个情况。请问如何让图片在canvas上是透明的？这样就可以看到被背景挡住的部分了。


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by (71.8m points)

你好，感谢邀请。你将绘制的canvas转为.png格式的图片


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