On 05/27/2010 02:00 PM, niski wrote:
> W dniu 2010-05-27 22:38, Tom Williams pisze:
>> On 05/27/2010 12:51 PM, Sebastian Tennant wrote:
>>> Quoth Frank Gore<g...@friendlyphotozone.com>:
>>>> There's more to it than just the PNG format, and this isn't really
>>>> a Gimp
>>> Many thanks to all respondents.
>>> It turns out there are two kinds of transparency; binary& alpha
>>> channel. IE6
>>> can handle binary but not alpha channel.
>>> Something I read next (I forget what/where it was now) made a link
>>> 'binary' and 'indexed' (neither term really meaning anything to me)
>>> so I used
>>> Gimp to creat a new image, chose to fill it with a transparent
>>> background and
>>> then switched to Indexed mode (as opposed to RGB or Greyscale)
>>> before exporting
>>> to PNG, and it worked!
>>> So, in short, if you want your transparent PNGs to work in IE6,
>>> switch to
>>> indexed mode before you export... it really does seem to be as
>>> simple as that.
>> Can't doing this result in some loss of image quality? Sometimes I'll
>> make PNGs with a drop shadow and transparency and when I convert the
>> image to indexed mode, the drop shadow quality suffers.
>> Gimp-user mailing list
> Opacity in indexed mode is binary like in GIFs (that is, any pixel is
> either opaque or transparent but not e.g half-transparent)... If you
> really need to have PNGs with indexed opacity in IE6, you have IE6
> filters (they are written in CSS files) at your disposal. If you know
> you won't have any gradients or anything like that under the shadow,
> you can just cut small part with background and shadow over it.
> Best regards,
Thanks for the info! :)
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