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| Newer page: | version 11 | Last edited on Saturday, April 30, 2005 3:41:00 pm | by AristotlePagaltzis | Revert |
| Older page: | version 10 | Last edited on Sunday, November 21, 2004 2:57:50 pm | by AristotlePagaltzis | Revert |
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An [Acronym] for __P__ortable __N__etwork __G__raphics. Pronounced "ping".
A modern, losslessly compressed bitmapped graphics FileFormat, designated by the [W3C] as the successor of the [GIF] format. [PNG] is completely unencumbered with patents and licensing fees. This is important, as [GIF] has had problems in that regard (see [Unisys]). There is builtin support for [PNG] in [Mozilla] and [Opera].
-Recent versions of InternetExplorer display [PNG] images as well, however this browser does not support alpha channels natively. Rumour has it that the IE engine is too old and outdated to support transparency without lots of hideous hacks. Amusingly(?), while
MicrosoftCorporation can't make these hideous hacks, they
[tell us
how we can
| http://support.microsoft.com/default.aspx?scid=kb;en-us;Q294714]. Not surprisingly, their approach is completely incompatible with every other browser on the world, you should use [a slightly different method | http://webfx.eae.net/dhtml/pngbehavior/pngbehavior.html].
+Recent versions of InternetExplorer display [PNG] images as well, however this browser does not support alpha channels natively. MicrosoftCorporation explain
[how to use it anyway
| http://support.microsoft.com/default.aspx?scid=kb;en-us;Q294714]. Not surprisingly, their approach to this hideous hack
is completely incompatible with every other browser on the world, you should use [a slightly different method | http://webfx.eae.net/dhtml/pngbehavior/pngbehavior.html]. Thankfully, the upcoming InternetExplorer 7 [has had PNG alpha-transparency support added | http://blogs.msdn.com/ie/archive/2005/04/26/412263.aspx
].
pngcrush(1) is a [Free] utility to shrink your [PNG] images as much as possible, either losslessly or lossily depending on arguments.
