You may want to mention this to the independent JPG group at people... they don't think their format supports
transparency. See question 12 in the

JPG2000 does, however.


On 2/27/07, Charles Beck <Charles.Beck at> wrote:
> Hi Mathieu,
> Actually, despite what one other list member said, JPEG does support
> transparency if you set it. However, I would not use JPG format in any
> case. It supports a high number of colors, but it is considered a
> "lossy" format, meaning it does not render solid-colored spaces
> accurately; rather, it introduces subtle but noticeable variations.
> If you are doing graphics with a very limited number of colors, GIF
> would be OK. But, by far, my preference is for PNG (Portable Networking
> Graphics) format. It supports the high number of colors like JPG, but it
> is not lossy. It also supports transparency, though I believe older
> browsers might not render transparency correctly with this format.
> In any case, the answer to your problem is to make sure you are working
> with a graphics program that supports transparency for a selected
> (usually background) color.
> If you need more help/information, please feel free to contact me
> offline if you want.
> HTH,
> Chuck Beck
> Sr. Technical Writer | Infor | Office: 614.523.7302 |
> Charles.Beck at
> -----Original Message-----
> Subject: Background with JPEG
> Hi all,
> when you import jpeg images (pictures of spare parts), is it possible
> not to have a white or greyish square background appear ?
> Do you import in another format or is there a trick to have the
> background disappear ?
> Thank you all,
> Mathieu.
> _______________________________________________

Art Campbell                                             art.campbell at
  "... In my opinion, there's nothing in this world beats a '52 Vincent
               and a redheaded girl." -- Richard Thompson
                             No disclaimers apply.
                                     DoD 358

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