Good Morning!
Yep, I knew that. I was just hoping that someone
knew of a trick to compress it even more before adding
it to the db.
Thanks...Dan'l
--- Walter Prins <[EMAIL PROTECTED]> wrote:
>
>
> ----- Original Message ----- > I have an
> application that stores Jpeg's to
> an
> > Access db. If the jpeg is fairly small, then the
> db
> > size does not grow very fast. However, I have
> started
> > using a 3.2 Mega pixel camera. Even after cropping
> the
> > image, the file is still pretty big.
> >
> > I am using imgImage.Picture.Graphic.SaveToStream
> to
> > save to a TMemoryStream and then using
> >
>
ADOCommand.Parameters.ParamByName('Image').LoadFromStream(ms,
> > ftBlob) to save it to the db.
> >
> > Is there any way I can compress the data, either
> in
> > the jpeg or in the memory stream before it is
> saved to
> > the db?
>
> Just some observations: A JPeg picture is already
> compressed (as you no
> doubt already know) using lossy compression
> mechanisms no less. This
> however means that applying another compression
> routine (especially a
> conventional lossless one) is not likely to yield
> any significant further
> size reduction. The only way to make JPeg's smaller
> IMO is to reduce the
> quality factor to a reasonable level without of
> course reducing it too much,
> when creating them (or find a better image format.
> ;-) ) This can
> sometimes decrease size requirements dramatically
> without significantly
> affecting visual quality.
>
> Cheers
>
> Walter
> .
>
>
>
>
>
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