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Als anlage ein uebersicht fuer bilder voranschau
Saluti
Patrik
-----Messaggio originale-----
Da: php-admin_(at)_infosoc.uni-koeln.de
[mailto:php-admin_(at)_infosoc.uni-koeln.de]Per conto di Michael Renner
Inviato: giovedì 17 febbraio 2000 8.28
A: php_(at)_solix.wiso.Uni-Koeln.DE
Oggetto: Re: [php] jpeg/gif dateien resizen
On Wed, 16 Feb 2000, Matthias H. Risse wrote:
>
> hallo,
>
> ich suche eine einfach möglichkeit thumb-nails
> von jpg und gif bildern auf meinen server zu erzeugen.
>
> geht das über eine bestimmte php-function oder lib
> oder muß ich da ein schon kompiliertes programm
> per shell-command [ exec() ] machen?
>
> danke, würde ich über tips freuen. konnte
> diesbezüglich in den faqs nichts finden und hoffe
> niemanden mit so einer pissel-frage zu nerven :)
Moin,
mache es über einen externen Befehl:
$browser_ext=jpeg;
passthru("/usr/X11R6/bin/mogrify -format $browser_ext -geometry 30% $wfile
2>/dev/stdout ");
# Das wandlet die Datei $wfile auf 30% der Grösse, ausserdem
# nach jpeg.
# Jetzt diese Datei öffenen und dem Browser liefern!
# Wie ist wohl der Dateiname?
$filename_new=substr($wfile,0,-4);
$filename_new = "$filename_new.$browser_ext";
$rfile = "$filename_new";
$rf = fopen("$rfile", "r");
$browser_image = fread($rf, filesize( $rfile ));
echo $browser_image;
# Die Dateien löschen, keinen Schrott auf der Platte lassen
unlink($rfile);
unlink($wfile);
Ich gestehe, die Dateinamenswandlung ist etwas abenteuerlich,
aber es funktioniert.
CU
--
+---------------------------------------------------------+
|Michael Renner | |
|MPI fuer biologische Kybernetik |Phone: +49-7071-601-638|
|Spemannstr.38, D-72076 Tuebingen |FAX: +49-7071-601-616|
|michael.renner_(at)_tuebingen.mpg.de | |
+----------------------------------------------------ESC:wq
--
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Content-Type: application/octet-stream;
name="class.File.php3"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
filename="class.File.php3"
<?
/*
File 1.0 - A wrapper class to common PHP file operations
Copyright (c) 1999 CDI, cdi_(at)_thewebmasters.net
All Rights Reserved
*/
Class File
{
var $ERROR =3D "";
var $BUFFER =3D -1;
var $STATCACHE =3D array();
var $TEMPDIR =3D '/tmp';
var $REALUID =3D -1;
var $REALGID =3D -1;
function File ()
{
global $php_errormsg;
return;
}
function clear_cache()
{
unset($this->STATCACHE);
$this->STATCACHE =3D array();
return true;
}
function is_sane($fileName =3D "", $must_exist =3D 0, $noSymLinks =3D =
0, $noDirs =3D 0)
{
$exists =3D false;
if(empty($fileName)) { return false; }
if($must_exist !=3D 0)
{
if(!file_exists($fileName))
{
$this->ERROR =3D "is_sane: [$fileName] does not exist";
return false;
}
$exists =3D true;
}
if($exists)
{
if(!is_readable($fileName))
{
$this->ERROR =3D "is_sane: [$fileName] not readable";
return false;
}
if($noDirs !=3D 0)
{
if(is_dir($fileName))
{
$this->ERROR =3D "is_sane: [$fileName] is a directory";
return false;
}
}
if($noSymLinks !=3D 0)
{
if(is_link($fileName))
{
$this->ERROR =3D "is_sane: [$fileName] is a symlink";
return false;
}
}
} // end if exists
return true; =09
}
// **************************************************************
function read_file ($fileName =3D "" )
{
$contents =3D "";
if(empty($fileName))
{
$this->ERROR =3D "read_file: No file specified";=20
return false;
}
if(!$this->is_sane($fileName,1,0,1))
{
// Preserve the is_sane() error msg
return false;
}
$fd =3D _(at)_fopen($fileName,"r");
if( (!$fd) || (empty($fd)) )
{
$this->ERROR =3D "read_file: File error: [$php_errormsg]";
return false;
}
$contents =3D fread($fd, filesize($fileName) );
fclose($fd);
return $contents;
}
// **************************************************************
// Read a file via fgetss(), which strips all php/html
// from the file.
function strip_read ($fileName =3D "", $strip_cr =3D 0)
{
if(empty($fileName))
{
$this->ERROR =3D "strip_read: No file specified";=20
return false;
}
if(!$this->is_sane($fileName,1,0,1))
{
// Preserve the error
return false;
}
if($this->BUFFER > 0)
{
$buffer =3D $this->BUFFER;
} else {
$buffer =3D filesize($fileName);
}
$contents =3D "";
$fd =3D _(at)_fopen($fileName,"r");
if( (!$fd) || (empty($fd)) )
{
$this->ERROR =3D "strip_read: File error: [$php_errormsg]";
return false;
}
while(!feof($fd))
{
$contents .=3D fgetss($fd,$buffer);
}
fclose($fd);
return $contents;
}
// **************************************************************
function write_file ($fileName,$Data)
{
$tempDir =3D $this->TEMPDIR;
$tempfile =3D tempnam( $tempDir, "cdi" );
if(!$this->is_sane($fileName,0,1,1))
{
return false;
}
if (file_exists($fileName))
{
if (!copy($fileName, $tempfile))
{
$this->ERROR =3D "write_file: cannot create backup file [$tempfile] =
: [$php_errormsg]";
return false;
}
}
$fd =3D _(at)_fopen( $tempfile, "a" );
if( (!$fd) or (empty($fd)) )
{
$myerror =3D $php_errormsg;
unlink($tempfile);
$this->ERROR =3D "write_file: [$tempfile] access error [$myerror]";
return false;
}
fwrite($fd, $Data);
fclose($fd);
if (!copy($tempfile, $fileName))
{
$myerror =3D $php_errormsg; // Stash the error, see above
unlink($tempfile);
$this->ERROR =3D "write_file: Cannot copy file [$fileName] =
[$myerror]";
return false;
}
unlink($tempfile);
if(file_exists($tempfile))
{
// Not fatal but it should be noted
$this->ERROR =3D "write_file: Could not unlink [$tempfile] : =
[$php_errormsg]";
}
return true;
}
// **************************************************************
function copy_file ($oldFile =3D "", $newFile =3D "")
{
if(empty($oldFile))
{
$this->ERROR =3D "copy_file: oldFile not specified";
return false;
}
if(empty($newFile))
{
$this->ERROR =3D "copy_file: newFile not specified";
return false;
}
if(!$this->is_sane($oldFile,1,0,1))
{
// preserve the error
return false;
}
if(!$this->is_sane($newFile,0,1,1))
{
// preserve it
return false;
}
if (! (_(at)_copy($oldFile, $newFile)))
{
$this->ERROR =3D "copy_file: cannot copy file [$oldFile] =
[$php_errormsg]";
return false;
}
return true;
}
// **********************************************
function get_files ($root_dir, $fileExt =3D 'ALL_FILES')
{
$fileList =3D array();
if(!is_dir($root_dir))
{
$this->ERROR =3D "get_files: Sorry, [$root_dir] is not a directory";
return false;
}
if(empty($fileExt))
{
$this->ERROR =3D "get_files: No file extensions specified";
return false;
}
$open_dir =3D _(at)_opendir($root_dir);
if( (!$open_dir) or (empty($open_dir)) )
{
$this->ERROR =3D "get_files: Failed to open dir [$root_dir] : =
$php_errormsg";
return false;
}
$fileCount =3D 0;
while ( $file =3D readdir($open_dir))
{
if( (!is_dir($file)) and (!empty($file)) )
{
if($fileExt =3D=3D 'ALL_FILES')
{
$fileList[$fileCount] =3D $file;
$fileCount++;
}
else
{
if(eregi(".\.($fileExt)$",$file))
{
$fileList[$fileCount] =3D $file;
$fileCount++;
}
}
}
}
closedir($open_dir);
return $fileList;
} // end get_files
function is_owner($fileName, $uid =3D "")
{
if(empty($uid))
{
if($this->REALUID < 0)
{
$tempDir =3D $this->TEMPDIR;
$tempFile =3D tempnam($tempDir,"cdi");
if(!touch($tempFile))
{
$this->ERROR =3D "is_owner: Unable to create [$tempFile]";
return false;
}
$stats =3D stat($tempFile);
unlink($tempFile);
$uid =3D $stats[4];
}
else
{
$uid =3D $this->REALUID;
}
}
$fileStats =3D stat($fileName);
if( (empty($fileStats)) or (!$fileStats) )
{
$this->ERROR =3D "is_owner: Unable to stat [$fileName]";
return false;
}
$this->STATCACHE =3D $fileStats;
$owner =3D $fileStats[4];
if($owner =3D=3D $uid)
{
return true;
}
$this->ERROR =3D "is_owner: Owner [$owner] Uid [$uid] FAILED";
return false;
}
function is_inGroup($fileName, $gid =3D "")
{
if(empty($gid))
{
if($this->REALGID < 0)
{
$tempDir =3D $this->TEMPDIR;
$tempFile =3D tempnam($tempDir,"cdi");
if(!touch($tempFile))
{
$this->ERROR =3D "is_inGroup: Unable to create [$tempFile]";
return false;
}
$stats =3D stat($tempFile);
unlink($tempFile);
$gid =3D $stats[5];
}
else
{
$gid =3D $this->REALGID;
}
}
$fileStats =3D stat($fileName);
if( (empty($fileStats)) or (!$fileStats) )
{
$this->ERROR =3D "is_inGroup: Unable to stat [$fileName]";
return false;
}
$this->STATCACHE =3D $fileStats;
$group =3D $fileStats[5];
if($group =3D=3D $gid)
{
return true;
}
$this->ERROR =3D "is_inGroup: Group [$group] Gid [$gid] FAILED";
return false;
}
function get_real_uid()
{
$tempDir =3D $this->TEMPDIR;
$tempFile =3D tempnam($tempDir,"cdi");
if(!touch($tempFile))
{
$this->ERROR =3D "is_owner: Unable to create [$tempFile]";
return false;
}
$stats =3D stat($tempFile);
unlink($tempFile);
$uid =3D $stats[4];
$gid =3D $stats[5];
$this->REALUID =3D $uid;
$this->REALGID =3D $gid;
return $uid;
}
function get_real_gid()
{
$uid =3D $this->get_real_uid();
if( (!$uid) or (empty($uid)) )
{
return false;
}
return $this->REALGID;
}
} // end class File
?>
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Content-Type: application/octet-stream;
name="index.php3"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
filename="index.php3"
<?php=20
include( "class.File.php3");=20
// RELATIVE PATH TO IMAGES DIRECTORY (Other than gallery.php3's)=20
$path =3D ".";=20
// NUMBER OF COLUMNS TO BE DISPLAYED=20
$colunas =3D 6;=20
// THUMBNAIL WIDTH=20
$thumb_width =3D "100";=20
// THUMBNAIL HEIGHT=20
$thumb_height =3D "";=20
/* COORDINATES FOR THE FULL SIZE PHOTO POP-UP WINDOW =20
YOU CAN USE (MINUS) TO INVERT THE REFERENCES =20
(RIGHTMARGIN AND BOTTOMMARGIN). PREETY COOL, ISN'T IT? */=20
// LEFTMARGIN OFFSET (RIGTHMARGIN IF YOU USE NEGATIVE VALUES)=20
$pop_leftmargin =3D "1";=20
// TOPMARGIN OFFSET (BOTTOMMARGIN IF YOU USE NEGATIVE VALUES)=20
$pop_topmargin =3D "1";=20
//***********************************************************//=20
//******** ENDOF VARIABLES CONFIGURATION SECTION ************//=20
//***********************************************************//=20
$file =3D new File(); =20
$images =3D array();=20
$jpgs =3D $file->get_files( "$path", "jpg");=20
if( !empty($jpgs) ) {=20
while ( list( $key, $filename ) =3D each( $jpgs ) ) {=20
$images[] =3D $filename;=20
}=20
}=20
$gifs =3D $file->get_files( "$path", "gif");=20
if( !empty($gifs) ) {=20
while ( list( $key, $filename ) =3D each( $gifs ) ) {=20
$images[] =3D $filename;=20
}=20
}=20
$pngs =3D $file->get_files( "$path", "png");=20
if( !empty($pngs) ) {=20
while ( list( $key, $filename ) =3D each( $pngs ) ) {=20
$images[] =3D $filename;=20
}=20
}=20
$bmps =3D $file->get_files( "$path", "bmp");=20
if( !empty($bmps) ) {=20
while ( list( $key, $filename ) =3D each( $bmps ) ) {=20
$images[] =3D $filename;=20
}=20
}=20
$count =3D 1;=20
$break =3D $colunas;=20
?>=20
<!-- STARTOF HTML CODE - CUSTOMIZE AS YOU WISH -->=20
<!-- JUST DON'T TOUCH THE JAVA CODE -->=20
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">=20
<HTML>=20
<HEAD>=20
<TITLE>The Jazzascona Performers Photo Gallery</TITLE>=20
<SCRIPT Language=3D"JavaScript"> =20
<!-- =20
var popWin =3D null =20
var winCount =3D 0=20
var winName =3D "popWin"=20
function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, =
winTop){=20
var d_winLeft =3D 20 =20
var d_winTop =3D 20 =20
winName =3D "popWin" + winCount++ =20
closePopWin() =20
if (openPopWin.arguments.length >=3D 4) =20
winFeatures =3D "," + winFeatures=20
else =20
winFeatures =3D "" =20
if (openPopWin.arguments.length =3D=3D 6) =20
winFeatures +=3D getLocation(winWidth, winHeight, winLeft, winTop)=20
else=20
winFeatures +=3D getLocation(winWidth, winHeight, d_winLeft, =
d_winTop)=20
popWin =3D window.open(winURL, winName, "width=3D" + winWidth =20
+ ",height=3D" + winHeight + winFeatures)=20
}=20
function closePopWin(){ =20
if (navigator.appName !=3D "Microsoft Internet Explorer" =20
|| parseInt(navigator.appVersion) >=3D4) =20
if(popWin !=3D null) if(!popWin.closed) popWin.close() =20
}=20
function getLocation(winWidth, winHeight, winLeft, winTop){=20
return ""=20
}=20
//-->=20
</SCRIPT>=20
<SCRIPT Language=3D"JavaScript1.2">=20
<!--=20
function getLocation(winWidth, winHeight, winLeft, winTop){=20
var winLocation =3D ""=20
if (winLeft < 0)=20
winLeft =3D screen.width - winWidth + winLeft=20
if (winTop < 0)=20
winTop =3D screen.height - winHeight + winTop=20
if (winTop =3D=3D "cen")=20
winTop =3D (screen.height - winHeight)/2 - 20=20
if (winLeft =3D=3D "cen")=20
winLeft =3D (screen.width - winWidth)/2=20
if (winLeft>0 & winTop>0)=20
winLocation =3D ",screenX=3D" + winLeft + ",left=3D" + winLeft =20
+ ",screenY=3D" + winTop + ",top=3D" + winTop=20
else=20
winLocation =3D ""=20
return winLocation=20
}=20
//-->=20
</SCRIPT>=20
<style>=20
<!--=20
BODY {=20
font-family: Verdana,Arial;=20
font-style: none;=20
font-size: 16px;=20
}=20
BIG {=20
font-size: 28px;=20
font-weight: bold;=20
}=20
TABLE {=20
font-size: 16px;=20
}=20
SMALL {=20
font-size: 12px;=20
}=20
A:LINK {=20
text-decoration: none;=20
font-weight: bold;=20
}=20
-->=20
</style> =20
</HEAD>=20
<BODY onUnload=3D"closePopWin()">=20
<div align=3D"CENTER">=20
<b>The Jazzascona Performers Photo Gallery (php Live read Folder)<br>
<a href=3D"http://www.jazzascona.ch">www.jazzascona.ch</a></b><br>=20
<small>PPK ScrenDesign Gordevio</b> ® 2000<br>=20
<a href=3D"mailto:info_(at)_ticinonline.to">info_(at)_ticinonline.to</a></small>=20
</div>=20
<div align=3D"center"><b>(Click the thumbnails to enlarge ­ Total in =
this page: =20
<?php echo count($images); ?> images)</b></small> </div>
<table border=3D"5" cellspacing=3D"0" cellpadding=3D"6">=20
<tr>=20
<!-- STARTOF TABLE CELL DISPLAY PHP CODE -->=20
<!-- DO NOT ALTER IT -->=20
<?php=20
while ( list( $key, $fileName ) =3D each( $images ) )=20
{ =20
if( !empty($fileName) ) =20
{ =20
$tamanho =3D GetImageSize( "$fileName");=20
$largura =3D $tamanho[0] + 18;=20
$altura =3D $tamanho[1] + 28;=20
echo " <td align=3D\"CENTER\" valign=3D\"TOP\"><a =
href=3D'javascript:openPopWin(\"$fileName\", $largura, $altura, \"\", =
$pop_leftmargin, $pop_topmargin)'><IMG SRC=3D\"$fileName\" border=3D0 =
alt=3D\"$count\"";=20
if (!empty($thumb_width)) {echo " width=3D\"$thumb_width\"";}=20
if (!empty($thumb_height)) {echo " height=3D\"$thumb_height\"";}=20
echo "></a><br><small>$count-$fileName</small>";=20
if ($count =3D=3D $break) { =20
echo "\n </td>\n</tr>\n<tr>\n";=20
$break =3D $count + $colunas; =20
}=20
else { echo "</td>\n"; }=20
}=20
$count++;=20
} =20
?>=20
<!-- ENDOF TABLE CELL CODE PHP-->=20
</tr>=20
</table>=20
</div>=20
<hr>=20
<div align=3D"CENTER">=20
<b>The Jazzascona Performers Photo Gallery</b><br>=20
<small>PPK ScrenDesign Gordevio</b> ® 2000<br>=20
<a href=3D"mailto:info_(at)_ticinonline.to">info_(at)_ticinonline.to</a></small>=20
</div>=20
</BODY>=20
</HTML>=20
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