Viewing file:  transformation_wrapper.php (3.65 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @version $Id: transformation_wrapper.php 11994 2008-11-24 11:22:44Z nijel $
* @package phpMyAdmin
*/
/**
*
*/
define('IS_TRANSFORMATION_WRAPPER', true);
/**
* Gets a core script and starts output buffering work
*/
require_once './libraries/common.inc.php';
require_once './libraries/relation.lib.php'; // foreign keys
require_once './libraries/transformations.lib.php'; // Transformations
$cfgRelation = PMA_getRelationsParam();
/**
* Ensures db and table are valid, else moves to the "parent" script
*/
require_once './libraries/db_table_exists.lib.php';
/**
* Get the list of the fields of the current table
*/
PMA_DBI_select_db($db);
$table_def = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table), null, PMA_DBI_QUERY_STORE);
if (isset($primary_key)) {
$result = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key . ';', null, PMA_DBI_QUERY_STORE);
$row = PMA_DBI_fetch_assoc($result);
} else {
$result = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' LIMIT 1;', null, PMA_DBI_QUERY_STORE);
$row = PMA_DBI_fetch_assoc($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[$transform_key]['transformation_options']) ? $mime_map[$transform_key]['transformation_options'] : ''));
foreach ($mime_options AS $key => $option) {
if (substr($option, 0, 10) == '; charset=') {
$mime_options['charset'] = $option;
}
}
}
// garvin: For re-usability, moved http-headers and stylesheets
// to a seperate file. It can now be included by libraries/header.inc.php,
// querywindow.php.
require_once './libraries/header_http.inc.php';
// [MIME]
if (isset($ct) && !empty($ct)) {
$content_type = 'Content-Type: ' . $ct;
} else {
$content_type = 'Content-Type: ' . (isset($mime_map[$transform_key]['mimetype']) ? str_replace('_', '/', $mime_map[$transform_key]['mimetype']) : $default_ct) . (isset($mime_options['charset']) ? $mime_options['charset'] : '');
}
header($content_type);
if (isset($cn) && !empty($cn)) {
header('Content-Disposition: attachment; filename=' . $cn);
}
if (!isset($resize)) {
echo $row[$transform_key];
} else {
// if image_*__inline.inc.php finds that we can resize,
// it sets $resize to jpeg or png
$srcImage = imagecreatefromstring($row[$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);
}
?>
|