Viewing file:  transformation_wrapper.php (4.15 KB) -rw-r--r--
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<?php
/* $Id: transformation_wrapper.php,v 2.3 2003/12/12 13:32:35 garvinhicking Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
$is_transformation_wrapper = true;
/**
* Get the variables sent or posted to this script and displays the header
*/
require_once('./libraries/grab_globals.lib.php');
/**
* Gets a core script and starts output buffering work
*/
require_once('./libraries/common.lib.php');
require_once('./libraries/relation.lib.php'); // foreign keys
require_once('./libraries/transformations.lib.php'); // Transformations
$cfgRelation = PMA_getRelationsParam();
/**
* Ensures db and table are valid, else moves to the "parent" script
*/
require_once('./libraries/db_table_exists.lib.php');
/**
* Get the list of the fields of the current table
*/
PMA_mysql_select_db($db);
$table_def = PMA_mysql_query('SHOW FIELDS FROM ' . PMA_backquote($table));
if (isset($primary_key)) {
$local_query = 'SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key;
$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', '');
$row = PMA_mysql_fetch_array($result);
} else {
$local_query = 'SELECT * FROM ' . PMA_backquote($table) . ' LIMIT 1';
$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', '');
$row = PMA_mysql_fetch_array($result);
}
// No row returned
if (!$row) {
exit;
} // end if (no record returned)
$default_ct = 'application/octet-stream';
if ($cfgRelation['commwork'] && $cfgRelation['mimework']) {
$mime_map = PMA_getMime($db, $table);
$mime_options = PMA_transformation_getOptions((isset($mime_map[urldecode($transform_key)]['transformation_options']) ? $mime_map[urldecode($transform_key)]['transformation_options'] : ''));
foreach($mime_options AS $key => $option) {
if (substr($option, 0, 10) == '; charset=') {
$mime_options['charset'] = $option;
}
}
}
// garvin: For re-usability, moved http-headers and stylesheets
// to a seperate file. It can now be included by header.inc.php,
// queryframe.php, querywindow.php.
require_once('./libraries/header_http.inc.php');
// [MIME]
if (isset($ct) && !empty($ct)) {
$content_type = 'Content-Type: ' . urldecode($ct);
} else {
$content_type = 'Content-Type: ' . (isset($mime_map[urldecode($transform_key)]['mimetype']) ? str_replace('_', '/', $mime_map[urldecode($transform_key)]['mimetype']) : $default_ct) . (isset($mime_options['charset']) ? $mime_options['charset'] : '');
}
if (isset($cn) && !empty($cn)) {
$content_type .= "\n" . 'Content-Disposition: attachment; filename=' . urldecode($cn);
}
header($content_type);
if (!isset($resize)) {
echo $row[urldecode($transform_key)];
} else {
// if image_*__inline.inc.php finds that we can resize,
// it sets $resize to jpeg or png
$srcImage = imagecreatefromstring($row[urldecode($transform_key)]);
$srcWidth = ImageSX( $srcImage );
$srcHeight = ImageSY( $srcImage );
// Check to see if the width > height or if width < height
// if so adjust accordingly to make sure the image
// stays smaller then the $newWidth and $newHeight
$ratioWidth = $srcWidth/$newWidth;
$ratioHeight = $srcHeight/$newHeight;
if( $ratioWidth < $ratioHeight){
$destWidth = $srcWidth/$ratioHeight;
$destHeight = $newHeight;
}else{
$destWidth = $newWidth;
$destHeight = $srcHeight/$ratioWidth;
}
if ($resize) {
$destImage = ImageCreateTrueColor( $destWidth, $destHeight);
}
// ImageCopyResized( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight );
// better quality but slower:
ImageCopyResampled( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight );
if ($resize == 'jpeg') {
ImageJPEG( $destImage,'',75 );
}
if ($resize == 'png') {
ImagePNG( $destImage);
}
ImageDestroy( $srcImage );
ImageDestroy( $destImage );
}
/**
* Close MySql non-persistent connections
*/
if (isset($GLOBALS['dbh']) && $GLOBALS['dbh']) {
@mysql_close($GLOBALS['dbh']);
}
if (isset($GLOBALS['userlink']) && $GLOBALS['userlink']) {
@mysql_close($GLOBALS['userlink']);
}
?>
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