Transparent JPG?

ATS wrote:
> I can make a transparent GIF file, but how do I do that for JPG files?
>
> TIA,
> Lee
>
>

JPEG doesn't support transparency. If you need more than 256 colors and
transparency, you may want to have a look to the PNG format. Photoshop
handles that quite well.

Waldo
 >> Stay informed about: Transparent JPG? 

Waldo <nobody DeleteThis @onbody.co> wrote:

> ATS wrote:
>> I can make a transparent GIF file, but how do I do that for JPG
>> files?
>> TIA,
>> Lee

> JPEG doesn't support transparency. If you need more than 256
> colors and transparency, you may want to have a look to the PNG
> format. Photoshop handles that quite well.
> Waldo

Just for the record, the "JPEG 2000" file format does support
transparency and even 16 bit images, etc. It's not a very popular
file format, however, and I agree that PNG is a much better choice
for most situations.
 >> Stay informed about: Transparent JPG? 

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 >> Stay informed about: Transparent JPG? 

"iehsmith" <inezhsmithspammenot.TakeThisOut@earthlink.net> wrote in message
news:C05C01D5.4CC86%inezhsmithspammenot@earthlink.net...
> On 4/7/06 8:44 AM, Mardon commented:
>
>> Waldo <nobody.TakeThisOut@onbody.co> wrote:
>>
>>> ATS wrote:
>>>> I can make a transparent GIF file, but how do I do that for JPG
>>>> files?
>>>> TIA,
>>>> Lee
>>
>>> JPEG doesn't support transparency. If you need more than 256
>>> colors and transparency, you may want to have a look to the PNG
>>> format. Photoshop handles that quite well.
>>> Waldo
>>
>> Just for the record, the "JPEG 2000" file format does support
>> transparency and even 16 bit images, etc. It's not a very popular
>> file format, however, and I agree that PNG is a much better choice
>> for most situations.
>
>
> The question arises though, which apps support JPEG 2000 and PNG with
> their
> transparency, especially web browsers with/without additional scripting?


If you are going to use the images on the internet:

PNG transparency cannot be seen with default IE browsers as yet. 85% of net
viewers use IE so if you use PNG 85% of the public won't see what you see in
PS
 >> Stay informed about: Transparent JPG? 

KatWoman wrote:
> "iehsmith" <inezhsmithspammenot.TakeThisOut@earthlink.net> wrote in message
> news:C05C01D5.4CC86%inezhsmithspammenot@earthlink.net...
>
>>On 4/7/06 8:44 AM, Mardon commented:
>>
>>
>>>Waldo <nobody.TakeThisOut@onbody.co> wrote:
>>>
>>>
>>>>ATS wrote:
>>>>
>>>>>I can make a transparent GIF file, but how do I do that for JPG
>>>>>files?
>>>>>TIA,
>>>>>Lee
>>>
>>>>JPEG doesn't support transparency. If you need more than 256
>>>>colors and transparency, you may want to have a look to the PNG
>>>>format. Photoshop handles that quite well.
>>>>Waldo
>>>
>>>Just for the record, the "JPEG 2000" file format does support
>>>transparency and even 16 bit images, etc. It's not a very popular
>>>file format, however, and I agree that PNG is a much better choice
>>>for most situations.
>>
>>
>>The question arises though, which apps support JPEG 2000 and PNG with
>>their
>>transparency, especially web browsers with/without additional scripting?
>
>
>
> If you are going to use the images on the internet:
>
> PNG transparency cannot be seen with default IE browsers as yet. 85% of net
> viewers use IE so if you use PNG 85% of the public won't see what you see in
> PS
>
>

IE doesn't display PNG transparency when using the alphachannels. If you
do it the old fashioned way (like GIF), it works.

Waldo
 >> Stay informed about: Transparent JPG?