Documentation TYPO3 par Ameos |
00001 <?php 00002 /* $Id: transformation_wrapper.php,v 2.7 2004/08/21 13:41:41 lem9 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 $cfgRelation = PMA_getRelationsParam(); 00019 00023 require_once('./libraries/db_table_exists.lib.php'); 00024 00025 00029 PMA_DBI_select_db($db); 00030 $table_def = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table), NULL, PMA_DBI_QUERY_STORE); 00031 if (isset($primary_key)) { 00032 $result = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key . ';', NULL, PMA_DBI_QUERY_STORE); 00033 $row = PMA_DBI_fetch_assoc($result); 00034 } else { 00035 $result = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' LIMIT 1;', NULL, PMA_DBI_QUERY_STORE); 00036 $row = PMA_DBI_fetch_assoc($result); 00037 } 00038 00039 // No row returned 00040 if (!$row) { 00041 exit; 00042 } // end if (no record returned) 00043 00044 $default_ct = 'application/octet-stream'; 00045 00046 if ($cfgRelation['commwork'] && $cfgRelation['mimework']) { 00047 $mime_map = PMA_getMime($db, $table); 00048 $mime_options = PMA_transformation_getOptions((isset($mime_map[urldecode($transform_key)]['transformation_options']) ? $mime_map[urldecode($transform_key)]['transformation_options'] : '')); 00049 00050 foreach ($mime_options AS $key => $option) { 00051 if (substr($option, 0, 10) == '; charset=') { 00052 $mime_options['charset'] = $option; 00053 } 00054 } 00055 } 00056 00057 // garvin: For re-usability, moved http-headers and stylesheets 00058 // to a seperate file. It can now be included by header.inc.php, 00059 // queryframe.php, querywindow.php. 00060 00061 require_once('./libraries/header_http.inc.php'); 00062 // [MIME] 00063 if (isset($ct) && !empty($ct)) { 00064 $content_type = 'Content-Type: ' . urldecode($ct); 00065 } else { 00066 $content_type = 'Content-Type: ' . (isset($mime_map[urldecode($transform_key)]['mimetype']) ? str_replace('_', '/', $mime_map[urldecode($transform_key)]['mimetype']) : $default_ct) . (isset($mime_options['charset']) ? $mime_options['charset'] : ''); 00067 } 00068 00069 if (isset($cn) && !empty($cn)) { 00070 $content_type .= "\n" . 'Content-Disposition: attachment; filename=' . urldecode($cn); 00071 } 00072 00073 header($content_type); 00074 00075 if (!isset($resize)) { 00076 echo $row[urldecode($transform_key)]; 00077 } else { 00078 // if image_*__inline.inc.php finds that we can resize, 00079 // it sets $resize to jpeg or png 00080 00081 $srcImage = imagecreatefromstring($row[urldecode($transform_key)]); 00082 $srcWidth = ImageSX( $srcImage ); 00083 $srcHeight = ImageSY( $srcImage ); 00084 00085 // Check to see if the width > height or if width < height 00086 // if so adjust accordingly to make sure the image 00087 // stays smaller then the $newWidth and $newHeight 00088 00089 $ratioWidth = $srcWidth/$newWidth; 00090 $ratioHeight = $srcHeight/$newHeight; 00091 00092 if ($ratioWidth < $ratioHeight){ 00093 $destWidth = $srcWidth/$ratioHeight; 00094 $destHeight = $newHeight; 00095 }else{ 00096 $destWidth = $newWidth; 00097 $destHeight = $srcHeight/$ratioWidth; 00098 } 00099 00100 if ($resize) { 00101 $destImage = ImageCreateTrueColor( $destWidth, $destHeight); 00102 } 00103 00104 // ImageCopyResized( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight ); 00105 // better quality but slower: 00106 ImageCopyResampled( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight ); 00107 00108 if ($resize == 'jpeg') { 00109 ImageJPEG( $destImage,'',75 ); 00110 } 00111 if ($resize == 'png') { 00112 ImagePNG( $destImage); 00113 } 00114 ImageDestroy( $srcImage ); 00115 ImageDestroy( $destImage ); 00116 } 00117 00121 if (isset($GLOBALS['dbh']) && $GLOBALS['dbh']) { 00122 @PMA_DBI_close($GLOBALS['dbh']); 00123 } 00124 if (isset($GLOBALS['userlink']) && $GLOBALS['userlink']) { 00125 @PMA_DBI_close($GLOBALS['userlink']); 00126 } 00127 ?>