如何将背景转换为透明？ [英] How to convert the background to transparent?
本文介绍了如何将背景转换为透明？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我没有使用任何图像处理/编辑工具的经验。我正在做一个项目，要求我将背景颜色（红色/蓝色/白色）的图像（小图标）转换为网站透明。
目标是将红色背景转换为透明。
- 我应该考虑哪些图像编辑工具？
- 如何过滤背景颜色并使它透明？
解决方案
我推荐这个（只能通过
GIF / PNG / ICO图片文件格式支持透明度，JPG不支持！
I have no experience with any image processing/editing tools. I am doing a project which requires me to convert the images(small icon) with background colour(red/blue/white) to transparent for the website.
The goal is to transform the red background to transparent.
- What image editing tool(s) should I consider?
- How to filter that background colour and make it transparent?
解决方案
I would recommend this (just found via search):
- http://lunapic.com/editor/?action=load
- Browse for image to upload OR enter URL of the file (below the image)
http://i.stack.imgur.com/2gQWg.png - Edit menu/Transparent (last one)
- Click on the red area
- Behold :) below is your image, it's just white triangle with transparency...
[dragging the image around in your browser for visibility,
the gray background and the border is not part of the image]
- File menu/Save Image
GIF/PNG/ICO image file formats support transparency, JPG doesn't!
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