Search found 2 matches

by shaomai888
2016-01-10T20:44:18-07:00
Forum: Users
Topic: How to get a transparent background for my logo added to user uploaded images using Minimagick composite?
Replies: 3
Views: 3988

Re: How to get a transparent background for my logo added to user uploaded images using Minimagick composite?

Well, right now I am just in practice mode because I do not yet have a logo created for the website. (I was just using a coke bottle downloaded off the web).

I see now that ImageMagick and minimagick are separate. So would turning the white background to transparent be easier with Imagemagick? If ...
by shaomai888
2016-01-07T06:15:12-07:00
Forum: Users
Topic: How to get a transparent background for my logo added to user uploaded images using Minimagick composite?
Replies: 3
Views: 3988

How to get a transparent background for my logo added to user uploaded images using Minimagick composite?

Rails Code:


process :watermark

def watermark
second_image = MiniMagick::Image.open("https://s3.amazonaws.com/....logo.png")
manipulate! do |img|
result = img.composite(second_image) do |c|
c.compose "Over" # OverCompositeOp
c.gravity "Southeast"
end
result
end
end

Users upload ...