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Posted by pmz on 08/06/07 11:46
On 6 Sie, 13:43, pmz <przemek.zaw...@gmail.com> wrote:
> On 6 Sie, 13:35, Jerry Stuckle <jstuck...@attglobal.net> wrote:
>
>
>
> > pmz wrote:
> > > Dear Group,
>
> > > I'm not sure what is going one with my software, but something really
> > > strange.
> > > I'm storing in BLOB in MySQL data of an image, which I display like:
>
> > > header("Content-Type: image/png");
> > > echo base64_decode($blobColumnData);
>
> > > Firefox/IE says, that the image cannot be displayed because it
> > > contains errors. I've tried setting header to image/jpeg, etc, with no
> > > results.
> > > At the end, I've just tried fwrite() the 'base64_decode($blobData)'
> > > into a file and display it in Gimp - with no problems, with no
> > > difference jpeg or png.
>
> > > What's wrong? Where shall I look for problems?
>
> > > Some system details:
> > > PHP Details:
> > > PHP 5.2.3 with Suhosin-Patch 0.9.6.2 (cli) (built: Jul 27 2007
> > > 01:29:42)
> > > Copyright (c) 1997-2007 The PHP Group
> > > Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
>
> > > GD Details:
> > > gd-2.0.33_4,1
> > > php5-gd-5.2.0
> > > png-1.2.14
> > > jpeg-6b_4
>
> > > OS Details:
> > > FreeBSD drum.phpdev 6.2-RELEASE FreeBSD 6.2-RELEASE
>
> > > Thank you for help!
>
> > > All the best,
> > > Przemek M. Zawada
>
> > Why are you calling base64_decode()? Did you base64_encode() the image
> > before storing it in the database? If so, why?
>
> > --
> > ==================
> > Remove the "x" from my email address
> > Jerry Stuckle
> > JDS Computer Training Corp.
> > jstuck...@attglobal.net
> > ==================
>
> Dear Jerry,
>
> I did call the base64_encode before storing the image in the database,
> because as I mentioned before, when I 'save' the image with fwrite(),
> the image opened with Gimp is perfectly working.
>
> Sample:
>
> $Data = base64_decode(image_from_db_encoded);
>
> fwrite($fh, $Data);
>
> And this works fine:
> # gimp myimage.jpg &
>
> If I do so:
>
> header("Content-Type: image/jpeg");
> print $Data;
>
> It does not work.
>
> For example, I've tested with sample image creation with gd, such as:
> $I = imagecreate(256, 256);
> $Bg = imagecolorallocate($I, 255, 0, 0);
> imagejpeg($I);
>
> It also does not work, why?
> The GD is installed, even updated, phpinfo() sayz that everything is
> okay, what is happening?
>
> All the best,
> Przemek
PS. I've taken the example from php.net (maybe I'm a bit tired after
working 48h) but it also gave me nothing! Just: "The image "..."
cannot be displayed, because it contains errors. Everything which is
directly connected with it (such as png/jpg libs) I've updated,
because I thought that something got damaged.
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