Differences between version 4 and revision by previous author of PNG.
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| Newer page: | version 4 | Last edited on Thursday, June 12, 2003 7:58:45 pm | by AristotlePagaltzis | Revert |
| Older page: | version 2 | Last edited on Thursday, June 5, 2003 12:13:41 am | by PerryLorier | Revert |
@@ -1,5 +1,3 @@
-Short
for Portable Network Graphics, and pronounced ping
, a new bit-mapped
graphics format similar to GIF
. In fact, PNG was
approved as a standard
by the World Wide Web consortium to replace GIF because
GIF uses
a patented data
compression algorithm called LZW. In contrast, PNG is completely
patent- and license-
free. The most recent versions of NetscapeNavigator and Microsoft InternetExplorer now support PNG
+PNG [[pronounced "ping"] is the [Acronym]
for Portable Network Graphics, a new, losslessly compressed bitmapped
graphics format. It is
approved by the [
World Wide Web consortium|W3C] as the successor of the [
GIF] format. The latter depends on
a compression algorithm called LZW patented by [Unisys]
. In contrast, PNG relies on the
patent free LZSS for compression and is completely unencumbered with licensing fees
. The most recent versions of NetscapeNavigator and Microsoft InternetExplorer now support PNG, although the latter doesn't support alpha channels.
-PNG is an [Acronym]
-
-InternetExplorer doesn't support alpha channels.
Rumours include
that the IE engine is pretty
old an
out of date and can't
support it
without lots of hidious
hacks.
Amusingly, while Microsoft can't make these hidious
hacks, we can. Here's a site that explains how to properly render PNG's in IE with alpha transparency:
http://redvip.homelinux.net/varios/explorer-png-en.html
+Rumours have it
that the IE engine is too
old and
out of date to
support transparency
without lots of hideous
hacks. Amusingly, while Microsoft can't make these hideous
hacks, [
we can|
http://redvip.homelinux.net/varios/explorer-png-en.html].
