VoyForums
[ Show ]
Support VoyForums
[ Shrink ]
VoyForums Announcement: Programming and providing support for this service has been a labor of love since 1997. We are one of the few services online who values our users' privacy, and have never sold your information. We have even fought hard to defend your privacy in legal cases; however, we've done it with almost no financial support -- paying out of pocket to continue providing the service. Due to the issues imposed on us by advertisers, we also stopped hosting most ads on the forums many years ago. We hope you appreciate our efforts.

Show your support by donating any amount. (Note: We are still technically a for-profit company, so your contribution is not tax-deductible.) PayPal Acct: Feedback:

Donate to VoyForums (PayPal):

[ Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: [1], 2, 3, 4, 5, 6, 7, 8, 9, 10 ]

[ Next Thread | Previous Thread | Next Message | Previous Message ]

Date Posted: 02:11:37 04/01/04 Thu
Author: Hert
Subject: Re: Lossless rotations
In reply to: Michel 's message, "Re: Lossless rotations" on 19:37:47 03/31/04 Wed

Hello Michel,

That is why some software product offer Lossless manipulation. A little surfing over the web learned me that there is a separate standard for lossless JPG. That made me wonder if you were considering adding lossless to your great library.

Kind regards,

Hert


>
>Hi Hert,
>
>The rotation itself is not lossy, but everytime you
>save a JPG you will lose quality. I recommend only
>saving to JPG after manipulations are done. As far as
>I know, the compress factor is only used when saving.
>Once an image is saved, it is then loaded "as is",
>independent of the original compression factor.
>
>Best regards,
>
>Michel
>
>>My customers ask me if I can implement a lossless JPG
>>rotation method. Is this possible, and if so how?
>>
>>I did not find any way of reading the current
>>compression factor, because it always defaults to 80.

[ Next Thread | Previous Thread | Next Message | Previous Message ]

Replies:

[ Contact Forum Admin ]

Forum timezone: GMT-5
VF Version: 3.00b, ConfDB:
Before posting please read our privacy policy.
VoyForums(tm) is a Free Service from Voyager Info-Systems.
Copyright © 1998-2019 Voyager Info-Systems. All Rights Reserved.