Issue 17: spriting logic: color palette
Project Member Reported by stevesou...@gmail.com, Sep 1, 2009
It's best to combine images that share colors so the sprite can stay under
255 colors. Might have to do this in CoolRunnings.
Sep 17, 2009
#1 millerme...@gmail.com
Another thing that should reduce file-size is having the option to generate PNG-8
files instead of PNG-24. - Maybe you can make it by default when all images doesn't
have 8-bit transparency. - You could even combine images that have 8-bit transparency
and the ones that doesn't.

PS: If you drag images from different color ranges to the same sprite it should
change the output file to PNG-24 if the number of colors exceed 256 and maybe alert
the user that this is going to happen.

This tool is definitely useful and really cool. Thanks for sharing and Keep the good
work!
Sep 17, 2009
Project Member #2 stevesou...@gmail.com
(No comment was entered for this change.)
Owner: jaredhir...@yahoo.com
Sep 19, 2009
Project Member #3 stevesou...@gmail.com
(No comment was entered for this change.)
Summary: spriting logic: color palette
Sep 22, 2009
Project Member #4 stevesou...@gmail.com
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Labels: Milestone-NextRelease
Sep 22, 2009
Project Member #5 stevesou...@gmail.com
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Labels: -Priority-Medium Priority-High
Oct 23, 2009
Project Member #6 jaredhir...@yahoo.com
re:comment 1:

From the PNG perspective, the transparency palette chunk can have as few entries as
there are translucent colors--anywhere from 1 to 255--so it should be possible to
combine transparent palette images with non-transparent images with really minor size
increase.

Even in IE 6, adding transparency at one end of a palette shouldn't impact the
display of opaque images in the same sprite.