Re: [GD-DEVEL] Noise problem
[email protected] ("Pierre Joye") Sun, 9 Nov 2008 20:26:43 +0100
| Newsgroups | php.gd.devel |
|---|---|
| Message-ID | <[email protected]> |
hi I mean the last RC, you can fetch it from http://qa.php.net or http://windows.php.net Cheers, On Sun, Nov 9, 2008 at 8:23 PM, DANINOS Yann <[email protected]> wrote: > Hello, > > I just tried with Php 5.2.6 and I've got the same result... > But I have made more test on the problem : > - I take a white picture 1000x1000px in jpg, quality 100 made with photoshop > : test.jpg > - I resize it with ImageCopyResampled to 300x300px and I heve got the > resulting picture testresized.jpg. If you change the brithness in Photoshop > you can see the noise : testresized_brithness.jpg > > BUT if you do the same with a size like 200px you don't have this noise ! So > it seems that if the orginal size is a multiple of the target size you don't > have this kind of problem... > > More over you can see that the size of the picture increase !! What a > shame... > > Any idea ? > > Thks. > > >> Date: Sun, 9 Nov 2008 18:10:05 +0100 >> From: [email protected] >> To: [email protected] >> Subject: Re: [GD-DEVEL] Noise problem >> CC: [email protected] >> >> hi, >> >> On Sat, Nov 8, 2008 at 7:15 PM, DANINOS Yann <[email protected]> wrote: >> > >> > Dear All, >> > >> > I ve got a problem when resizing picture with ImageCopyResampled : The >> > problem is simple, when I try to resize a picture with a white background >> > the resulting picture is not really white (I have #ffffff and >> > #fefefe)...there is lines which look like noise. It's not really visible but >> > if you put the picture in photoshop and change the brithness you can clearly >> > see it. >> > Does anyone already had this problem ? Is there a solution to avoid this >> > ? >> >> Can you try with the latest php version (not debian or ubuntu but >> using php src or binaries for windows)? >> >> -- >> Pierre >> >> http://blog.thepimp.net | http://www.libgd.org > > > ________________________________ > Votre correspondant a choisi Hotmail et profite d'un stockage quasiment > illimité. Créez un compte Hotmail gratuitement ! -- Pierre http://blog.thepimp.net | http://www.libgd.org