Tickets :: [#5786] optimize png files

6.0.0-beta1

9/18/25

Summary	optimize png files
Queue	Horde Base
Queue Version	HEAD
Type	Enhancement
State	Resolved
Priority	1. Low
Owners
Requester	pedretti (at) eco (dot) unibs (dot) it
Created	10/09/2007 (6554 days ago)
Due
Updated	10/09/2007 (6554 days ago)
Assigned
Resolved	10/09/2007 (6554 days ago)
Milestone
Patch	No

10/09/2007 06:41:41 PM	Chuck Hagenbuch	Comment #5 State ⇒ Resolved	Reply to this comment
Then they'll be in Horde 3.2 and associated apps.

10/09/2007 04:19:11 PM	pedretti (at) eco (dot) unibs (dot) it	Comment #4	Reply to this comment
Which pngs are not optimized? Most of them have been run through pngcrush at one point or another. Nearly all pngs can be optimized: with only optipng on some png even over 78% (e.g. ./themes/graphics/block/down.png) with a mean of about 30%, and then with advdef another some %. Sorry I just noticed that optimized png are in HEAD, but not in stable.

10/09/2007 03:59:45 PM	pedretti (at) eco (dot) unibs (dot) it	Comment #3	Reply to this comment
Which pngs are not optimized? Most of them have been run through pngcrush at one point or another. Nearly all pngs can be optimized: with only optipng on some png even over 78% (e.g. ./themes/graphics/block/down.png) with a mean of about 30%, and then with advdef another some %. And we're not going to convert those gifs to pngs, they're part of external libraries that we bundle. Modifying them would be a maintenance nightmare. OK

10/09/2007 03:50:12 PM	Chuck Hagenbuch	Comment #2 State ⇒ Feedback	Reply to this comment
Which pngs are not optimized? Most of them have been run through pngcrush at one point or another. And we're not going to convert those gifs to pngs, they're part of external libraries that we bundle. Modifying them would be a maintenance nightmare.

10/09/2007 03:47:29 PM	pedretti (at) eco (dot) unibs (dot) it	Comment #1 Priority ⇒ 1. Low Type ⇒ Enhancement Summary ⇒ optimize png files Queue ⇒ Horde Base State ⇒ New	Reply to this comment
I noticed that png files are not optimized - size can be losslessly reduced using optipng [1] and then advdef [2] with: find . -name ".png" -exec optipng -o5 '{}' \; find . -name ".png" -exec advdef -z -4 '{}' \; I also noticed there are some gif images that can be converted to png to save size in: ./services/editor/htmlarea/images/ ./services/editor/htmlarea/plugins/TableOperations/img/ ./themes/ and possibly other directories. [1] http://optipng.sourceforge.net/ [2] http://advancemame.sourceforge.net/comp-readme.html