Search found 3 matches

by jeroen511
2019-06-22T02:47:45-07:00
Forum: Users
Topic: removing white background and have transparency instead of jagged edges
Replies: 3
Views: 8003

Re: removing white from background while preserving transparency

got it after some fiddling!

Magick::Image img = Magick::Image("img.png");
img.negate(false);

Magick::Image imgBlack = img;
imgBlack.colorize(100, Magick::ColorRGB(0, 0, 0));
imgBlack.alphaChannel(AlphaChannelOption::OffAlphaChannel);

Magick::Image imgResult = imgBlack;
imgResult.composite(img ...
by jeroen511
2019-06-21T14:35:51-07:00
Forum: Users
Topic: removing white background and have transparency instead of jagged edges
Replies: 3
Views: 8003

Re: removing white from background while preserving transparency

That's exactly it, thank you Snibgo!
Now I want to convert it to C++, but I'm not sure how to do this one, but more complex than I thought. Do you know to write that down?
by jeroen511
2019-06-21T14:00:22-07:00
Forum: Users
Topic: removing white background and have transparency instead of jagged edges
Replies: 3
Views: 8003

removing white background and have transparency instead of jagged edges

Hello, I'm trying to remove the background from this image:
https://i.imgur.com/Xk9Wza0.png

I've read many forum posts where they use -transparent white, or replace the color with -opaque in combination with fuzz. but the problem is that you'll always end up with jagged edges.

I want to make ...