Search found 6 matches

by rogercampos
2013-04-16T00:43:12-07:00
Forum: Users
Topic: Set background color on composite
Replies: 5
Views: 9587

Re: Set background color on composite

Hi again, after been trying the proposed solution for a while I find now that the -alpha remove directive has some important gotchas, it doesn't work on CMYK images, or maybe I'm doing something wrong. The complete command I'm using is this one: convert input_image.jpg -alpha on mask.png -compose Ds...
by rogercampos
2013-04-09T02:45:59-07:00
Forum: Users
Topic: Set background color on composite
Replies: 5
Views: 9587

Re: Set background color on composite

Solved now, thank you all for your help and advices!
by rogercampos
2013-04-06T12:52:02-07:00
Forum: Users
Topic: Set background color on composite
Replies: 5
Views: 9587

Set background color on composite

Hi, I've been trying this for several hours with no success, I hope you can help me with it. I want to cut out some parts of an image based on another mask image (black/white). To do this I use dst_in composition, but my problem is that I cannot control what happens with the removed pixels. They app...
by rogercampos
2012-12-14T10:07:59-07:00
Forum: Bugs
Topic: -background "black" option make image darker
Replies: 5
Views: 6084

Re: -background "black" option make image darker

You're right, using -background 'white' the result is the same, a darker image. I was trying this with imagemagick version 6.8.0-7. I downloaded and installed now the latest version (6.8.0-9) and the result is now fine, so the bug may be fixed. Thanks.
by rogercampos
2012-12-14T04:17:16-07:00
Forum: Bugs
Topic: -background "black" option make image darker
Replies: 5
Views: 6084

-background "black" option make image darker

Using the following comand with a jpg image without transparency makes the image look darker: convert cuca.png -background "black" out.png However using "red" for instance does not make it look red. If I understant the background command correctly it should just add a background color to the image, ...
by rogercampos
2012-08-26T13:05:38-07:00
Forum: Bugs
Topic: Cannot extract ICC color profile
Replies: 4
Views: 7458

Cannot extract ICC color profile

Hi, I just upgraded ImageMagick to the latest 6.7.9 version and I discovered that now convert is unable to extract an ICC color profile from an image that was previously working. The command is as follows: convert cmyk.jpg icc:profile.icc And it fails with the message: convert: no color profile is a...