Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Post an Article
Welcome To Ask or Share your Answers For Others

Categories

canvas绘制透明图片的问题

0 votes
469 views
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。


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…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

你好，感谢邀请。你将绘制的canvas转为.png格式的图片


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…
OGeek|极客中国-欢迎来到极客的世界，一个免费开放的程序员编程交流平台！开放，进步，分享！让技术改变生活，让极客改变未来！ Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

Just Browsing Browsing

1.4m articles

1.4m replys

5 comments

57.0k users

Most popular tags

Snow Theme by Q2A Market
Powered by Question2Answer
...