I have a couple of panels which are refreshed separately from the page and this can take some time. In order to give the users a cue something is happening I display a twirly animated gif till something more interesting can be shown.

However it has the wrong background color. Is there some tool to efficiently change the color in the pallettes so I can turn it from white to pale blue, and keep the interpolated colors to reduce the jaggies consistent with the background color?

3 answers

1
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Maybe you could try to create the loader gif with this classic service: http://ajaxload.info/

It has options for transparency.

Answered about 6 years ago by Jens Hedqvist
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Or I've used http://www.preloaders.net/ - also has options for transparency but a few more options...

Answered about 6 years ago by Andrew Parker
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You can define background-transparent-color of gifs in final "save for web" export in PS. In gimp it's quite harder, but also possible, try this http://geekswithblogs.net/timh/archive/2006/03/20/72797.aspx

Answered about 6 years ago by Andre Allin