如何在java中将图像转换为透明图像 [英] How to convert an image into a transparent image in java
问题描述
如何将图像的白色背景转换为透明背景?谁能告诉我怎么做?
How to convert a white background of an image into a transparent background? Can anyone tel me how to do this?
推荐答案
谷歌的第一个结果就是:
The first result from Google is this:
使颜色透明
http:// www .rgagnon.com / javadetails / java-0265.html
它使图像的蓝色部分透明,但我相信你可以适应使用白色intstead
It makes the Blue part of an image transparent, but I'm sure you can adapt that to use White intstead
(提示:将 Color.WHITE
传递给 makeColorTransparent
函数,而不是 Color.BLUE
)
(hint: Pass Color.WHITE
to the makeColorTransparent
function, instead of Color.BLUE
)
在这里找到一个更完整和现代的答案: 如何使颜色透明在BufferedImage中保存为PNG
Found a more complete and modern answer here: How to make a color transparent in a BufferedImage and save as PNG
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