|
Image Resizer
| Dieses Script resized alle Grafiken aus einem Verzeichnis
und speichert die neuen Bilder in einem vorgegebenen Verzeichnis
|
| Script: |
<html>
<head>
<title>Image-Resizer</title>
</head>
<body>
<?
if ( ! isset($_POST["submit"]))
{
?>
<div align='center'>
<center>
<form action='<? echo
$_SERVER["PHP_SELF"];
?>' method='POST'>
<table border='0' width='50%'>
<tr>
<td> </td>
<td><font size='5'><b>Image-Resizer</b></font></td>
</tr>
<tr>
<td height='20'> </td>
<td height='20'> </td>
</tr>
<tr>
<td>Quellverzeichnis:</td>
<td><input type='text'
name='source' size='30'></td>
</tr>
<tr>
<td>Zielverzeichnis:</td>
<td><input type='text'
name='destination' size='30'></td>
</tr>
<tr>
<td>Breite in Pixel:</td>
<td><input type='text'
name='width' size='4'></td>
</tr>
<tr>
<td>Höhe in Pixel:</td>
<td><input type='text'
name='height' size='4'></td>
</tr>
<tr>
<td>Qualität:</td>
<td><input type='text' name='quality'
size='4' value='100'></td>
</tr>
<tr>
<td>Proportional:</td>
<td><input type='checkbox'
name='fixed' checked></td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td><input type='submit'
name='submit' value='Abschicken'</td>
</tr>
</table>
</form>
</center>
</div>
<?
}
else
{
//
Bei Timeout-Problemen den Wert erhöhen
ini_set("max_execution_time",
"3000");
$source
= $_POST["source"];
$dest =
$_POST["destination"];
$width =
$_POST["width"];
$height
= $_POST["height"];
$quality
= $_POST["quality"];
if (isset($_POST["fixed"]))
$fixed =
true;
else
$fixed =
false;
if (! strlen
($source))
{
echo "Kein
Quellverzeichnis";
exit;
}
if (! strlen
($dest))
{
echo "Kein
Zielverzeichnis";
exit;
}
if (! strlen
($width)
|| ! strlen ($height))
{
echo "Keine
Größen angegeben";
exit;
}
if ($fixed)
{
if (strlen
($width))
$height
= 0;
else if
(strlen ($height))
$widht
= 0;
}
include_once("./functions.inc.php");
$data
= getImagesFromPath($source);
if (! file_exists($dest))
{
if ( ! mkdir
($dest,
"0777"))
{
echo
"Verzeichnis $dest konnte nicht
angelegt werden";
exit;
}
}
foreach($data
as $name)
{
$in =
$source . "/"
. $name;
$out
= $dest .
"/" .
$name;
$ret
= resizeImage($in,
$out, $width,
$height, $quality);
if ($ret)
echo
"Grafik $out erzeugt<br>\n";
else
echo
"<font color='#FF0000'>Grafik
$out konnte nicht erzeugt werden</font><br>\n";
}
}
?>
</body>
</html>
<?
//
// functions.inc.php
//
function getImagesFromPath($path)
{
$result =
array();
$handle=opendir($path);
while ($file =
readdir ($handle))
{
if ($file
!= "."
&& $file
!= "..")
{
if (! is_dir($file))
{
$tmp
= strtolower($file);
$sub
= substr($tmp,
-4);
if
($sub == ".png"
|| $sub ==
".jpg" ||
$sub == ".gif"
|| $sub ==
".bmp")
$result[]
= $file;
}
}
}
return $result;
}
function resizeImage($file_name_src,
$file_name_dest,
$width=0,
$height = 0,
$quality=100)
{
if (file_exists($file_name_src) &&
isset($file_name_dest))
{
if ($width
== 0 &&
$height ==
0)
return false;
$est_src
= pathinfo(strtolower($file_name_src));
$est_dest
= pathinfo(strtolower($file_name_dest));
$size
= getimagesize($file_name_src);
if ($height
&& ! $width)
{
$h
= number_format($height,
0, ',',
'');
$w
= number_format(($size[0]/$size[1])*$height,0,',','');
}
else if (! $height
&& $width)
{
$w
= number_format($width,
0, ',',
'');
$h
= number_format(($size[1]/$size[0])*$width,0,',','');
}
else
{
$h
= number_format($height,
0, ',',
'');
$w
= number_format($width,
0, ',',
'');
}
if ($est_dest['extension']
== "gif" ||
$est_dest['extension']
== "jpg")
{
$file_name_dest
= substr_replace($file_name_dest,
'jpg', -3);
$dest
= imagecreatetruecolor($w,
$h);
imageantialias($dest,
TRUE);
} elseif ($est_dest['extension']
== "png")
{
$dest
= imagecreatetruecolor($w,
$h);
imageantialias($dest,
TRUE);
} else
{
return
FALSE;
}
switch($size[2])
{
case 1: //GIF
$src
= imagecreatefromgif($file_name_src);
break;
case 2: //JPEG
$src
= imagecreatefromjpeg($file_name_src);
break;
case 3: //PNG
$src
= imagecreatefrompng($file_name_src);
break;
default:
return
FALSE;
break;
}
imagecopyresampled($dest,
$src, 0,
0, 0,
0, $w,
$h, $size[0],
$size[1]);
switch($size[2])
{
case 1:
case 2:
imagejpeg($dest,$file_name_dest,
$quality);
break;
case 3:
imagepng($dest,$file_name_dest);
}
return TRUE;
}
return FALSE;
}
|
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