Search found 4 matches

by thejas
2017-04-06T03:01:23-07:00
Forum: Users
Topic: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?
Replies: 5
Views: 3769

Re: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?

Thank you Mr. Gibson, that is a nice technique. It works perfectly. I reviewed the various -compose options after your explanation.
by thejas
2017-04-06T00:46:50-07:00
Forum: Users
Topic: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?
Replies: 5
Views: 3769

Re: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?

I have a related question to make a round image of a png. I get the following output: http://i.imgur.com/RufJcEC.png The command line code I use is: convert garfield.png -resize 150x150^ -gravity Center -crop 150x150+0+0 +repage \ \( +clone -threshold -1 -negate -fill white -draw "circle 75,75 148 ...
by thejas
2017-04-05T20:47:15-07:00
Forum: Users
Topic: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?
Replies: 5
Views: 3769

Re: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?

Thank you Mr. Weinhaus, that works well. It's really nice seeing a reply from one of the pioneers of image processing. Most of my image processing skills have been gleaned through your writings and of course Anthony Thyssen's. Just wondering whether it would be possible for you and Mr. Thyssen to ...
by thejas
2017-04-05T02:42:34-07:00
Forum: Users
Topic: How do I remove black background areas after using -compose CopyOpacity operation for PNG file?
Replies: 5
Views: 3769

How do I remove black background areas after using -compose CopyOpacity operation for PNG file?

I am trying to make an image with rounded corners and then add a shadow effect like the one below. (please right click and open image in new tab in case the images don't populate automatically below; they are being streamed from Google drive): http://i.imgur.com/aMeWMf3.png I used a plain jpg file ...