Documentation TYPO3 par Ameos |
00001 <?php 00002 /* $Id: transformation_wrapper.php,v 2.3 2003/12/12 13:32:35 garvinhicking Exp $ */ 00003 // vim: expandtab sw=4 ts=4 sts=4: 00004 00005 $is_transformation_wrapper = true; 00006 00010 require_once('./libraries/grab_globals.lib.php'); 00011 00015 require_once('./libraries/common.lib.php'); 00016 require_once('./libraries/relation.lib.php'); // foreign keys 00017 require_once('./libraries/transformations.lib.php'); // Transformations 00018 $cfgRelation = PMA_getRelationsParam(); 00019 00023 require_once('./libraries/db_table_exists.lib.php'); 00024 00025 00029 PMA_mysql_select_db($db); 00030 $table_def = PMA_mysql_query('SHOW FIELDS FROM ' . PMA_backquote($table)); 00031 if (isset($primary_key)) { 00032 $local_query = 'SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key; 00033 $result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', ''); 00034 $row = PMA_mysql_fetch_array($result); 00035 } else { 00036 $local_query = 'SELECT * FROM ' . PMA_backquote($table) . ' LIMIT 1'; 00037 $result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', ''); 00038 $row = PMA_mysql_fetch_array($result); 00039 } 00040 00041 // No row returned 00042 if (!$row) { 00043 exit; 00044 } // end if (no record returned) 00045 00046 $default_ct = 'application/octet-stream'; 00047 00048 if ($cfgRelation['commwork'] && $cfgRelation['mimework']) { 00049 $mime_map = PMA_getMime($db, $table); 00050 $mime_options = PMA_transformation_getOptions((isset($mime_map[urldecode($transform_key)]['transformation_options']) ? $mime_map[urldecode($transform_key)]['transformation_options'] : '')); 00051 00052 foreach($mime_options AS $key => $option) { 00053 if (substr($option, 0, 10) == '; charset=') { 00054 $mime_options['charset'] = $option; 00055 } 00056 } 00057 } 00058 00059 // garvin: For re-usability, moved http-headers and stylesheets 00060 // to a seperate file. It can now be included by header.inc.php, 00061 // queryframe.php, querywindow.php. 00062 00063 require_once('./libraries/header_http.inc.php'); 00064 // [MIME] 00065 if (isset($ct) && !empty($ct)) { 00066 $content_type = 'Content-Type: ' . urldecode($ct); 00067 } else { 00068 $content_type = 'Content-Type: ' . (isset($mime_map[urldecode($transform_key)]['mimetype']) ? str_replace('_', '/', $mime_map[urldecode($transform_key)]['mimetype']) : $default_ct) . (isset($mime_options['charset']) ? $mime_options['charset'] : ''); 00069 } 00070 00071 if (isset($cn) && !empty($cn)) { 00072 $content_type .= "\n" . 'Content-Disposition: attachment; filename=' . urldecode($cn); 00073 } 00074 00075 header($content_type); 00076 00077 if (!isset($resize)) { 00078 echo $row[urldecode($transform_key)]; 00079 } else { 00080 // if image_*__inline.inc.php finds that we can resize, 00081 // it sets $resize to jpeg or png 00082 00083 $srcImage = imagecreatefromstring($row[urldecode($transform_key)]); 00084 $srcWidth = ImageSX( $srcImage ); 00085 $srcHeight = ImageSY( $srcImage ); 00086 00087 // Check to see if the width > height or if width < height 00088 // if so adjust accordingly to make sure the image 00089 // stays smaller then the $newWidth and $newHeight 00090 00091 $ratioWidth = $srcWidth/$newWidth; 00092 $ratioHeight = $srcHeight/$newHeight; 00093 00094 if( $ratioWidth < $ratioHeight){ 00095 $destWidth = $srcWidth/$ratioHeight; 00096 $destHeight = $newHeight; 00097 }else{ 00098 $destWidth = $newWidth; 00099 $destHeight = $srcHeight/$ratioWidth; 00100 } 00101 00102 if ($resize) { 00103 $destImage = ImageCreateTrueColor( $destWidth, $destHeight); 00104 } 00105 00106 // ImageCopyResized( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight ); 00107 // better quality but slower: 00108 ImageCopyResampled( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight ); 00109 00110 if ($resize == 'jpeg') { 00111 ImageJPEG( $destImage,'',75 ); 00112 } 00113 if ($resize == 'png') { 00114 ImagePNG( $destImage); 00115 } 00116 ImageDestroy( $srcImage ); 00117 ImageDestroy( $destImage ); 00118 } 00119 00123 if (isset($GLOBALS['dbh']) && $GLOBALS['dbh']) { 00124 @mysql_close($GLOBALS['dbh']); 00125 } 00126 if (isset($GLOBALS['userlink']) && $GLOBALS['userlink']) { 00127 @mysql_close($GLOBALS['userlink']); 00128 } 00129 ?>