#21265 [Ver->Bgs]: unexpected low color depth
| From: | iliaa@php.net | Date: | Sun, 29 Dec 2002 19:13:39 +0000 |
| Subject: | #21265 [Ver->Bgs]: unexpected low color depth | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-28691@lists.php.net to get a copy of this message | ||
ID: 21265
Updated by: iliaa@php.net
Reported By: tho.r@gmx.net
-Status: Verified
+Status: Bogus
Bug Type: GD related
Operating System: Linux
PHP Version: 4.3.0/4.4.0
New Comment:
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to
report
a bug at http://bugs.php.net/how-to-report.php
The image you are making a thumbnail is a truecolor image, therefor
when creating the thumbnail, you should use imagecreatetruecolor() &
not imagecreate().
Previous Comments:
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[2002-12-29 09:25:41] tho.r@gmx.net
Hi!
Before switching to PHP 4.3.0 we could create a "nice" colored
thumbnail from an image via PHP and GD (1.8.x) with the following
code:
$thumb = imagecreate($twidth, $theight);
$orig = @imagecreatefromjpeg($file);
if (!$orig) {
echo "Couldn't load JPEG image '$file'.";
exit();
}
imagecopyresized($thumb, $orig, 0, 0, 0, 0, $twidth,
$theight, $width, $height);
mkdir(dirname($thumbnail),0777);
imagejpeg($thumb,$thumbnail,65);
We had a switch statement for any supported image type (JPEG, GIF and
PNG). The created image is of course smaller but has the same color
depth as the original.
After using PHP 4.3.0 and its bundled GD2 library the image is also
created but the result has very less colors (maybe 16). I've put an
example here:
http://thoralf.log-out.net/tmp/php4.3.0.html
I'm not sure, if I did a mistake or if there is something missing now -
but it works with PHP4.2.2 very well.
The PHPInfo from the server can be found here:
http://m84.de/phpinfo.php
bye
Thoralf
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Edit this bug report at http://bugs.php.net/?id=21265&edit=1