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116 lines
3.9 KiB
116 lines
3.9 KiB
<?php |
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// $Id$ |
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function fedora_imageapi_menu() { |
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$items = array(); |
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$items['fedora/imageapi'] = array( |
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'title' => t('Image manipulation functions'), |
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'page callback' => 'fedora_repository_image_manip', |
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'type' => MENU_CALLBACK, |
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'access arguments' => array('view fedora collection'), |
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); |
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return $items; |
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} |
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/** |
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* Call out to the Drupal ImageAPI module and return the resulting image as a stream. |
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* |
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* @param string $pid |
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* @param string $dsid |
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* @param string $op |
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* @param string $params |
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*/ |
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function fedora_repository_image_manip($pid = '', $dsid = '', $op = '', $params = '') { |
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module_load_include( 'inc', 'Fedora_Repository', 'ObjectHelper'); |
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module_load_include( 'module', 'imageapi'); |
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$obj = new ObjectHelper(); |
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$mimetype = $obj->getMimeType( $pid, $dsid); |
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$ext = substr( strstr($mimetype, '/'), 1); |
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$op = (!empty($_GET['op']) ? $_GET['op'] : ''); |
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$safe_pid = str_replace(':', '_', $pid); |
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$cache_key = 'fedora_repository_image_manip_'.md5($safe_pid.'_'.$dsid.'_'.$ext.'_'.$op.(isset($_GET['width'])?'_'.$_GET['width']:'').(isset($_GET['height'])?'_'.$_GET['height']:'')); |
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if (($file=cache_get($cache_key))===0) |
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{ |
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//added the slash as sys_get_temp_dir in linux does not seem to include the slash |
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$tmp_file_name = sys_get_temp_dir() .'/'. $safe_pid . '_'. $dsid . '.'. $ext; |
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$handle = fopen( $tmp_file_name, "w"); |
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$numbytes = fwrite($handle, $obj->getStream($pid, $dsid)); |
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fclose($handle); |
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if ($numbytes == 0) { |
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return; |
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} |
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$image = imageapi_image_open( $tmp_file_name); |
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switch ($op) { |
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case 'scale': |
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if (!empty( $_GET['height'] ) || !empty( $_GET['width'])) { |
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imageapi_image_scale($image, $_GET['width'], $_GET['height']); |
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} |
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case 'centerscale': |
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if (!empty($_GET['height']) && !empty($_GET['width'])) { |
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imageapi_image_scale_and_crop($image, $_GET['width'], $_GET['height']); |
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} |
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} |
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imageapi_image_close($image); |
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$file = file_get_contents($tmp_file_name); |
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cache_set($cache_key,$file,'cache',time()+variable_get('fedora_image_blocks_cache_time',3600)); |
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file_delete($tmp_file_name); |
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} else { |
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$file = $file->data; |
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} |
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header("Content-type: $mimetype"); |
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header('Content-Disposition: attachment; filename="'. $dsid . '.'. $ext . '"'); |
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echo $file; |
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// return "$numbytes bytes written to ".sys_get_temp_dir()."$pid_$dsid.$ext\n"; |
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} |
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/** |
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* Implementation of hook_form_alter |
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* |
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* @param unknown_type $form |
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* @param unknown_type $form_state |
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* @param unknown_type $form_id |
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*/ |
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/* |
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function fedora_imageapi_form_alter( &$form, $form_state, $form_id) { |
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switch ( $form_id ) { |
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case 'fedora_repository_admin': |
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$fedora_base_url = $form['fedora_base_url']['#default_value']; |
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$fedora_server_url = substr($fedora_base_url,0,strpos($fedora_base_url,'/',7)); |
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// Add the Djatoka server location. Set it to default to the same server as fedora. |
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$form['djatoka_server_url'] = array ( |
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'#type' => 'textfield', |
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'#title' => '<h3>'.t('Fedora Image API Module').'</h3><br />'.t('aDORe Djatoka image server resolver URL'), |
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'#default_value' => variable_get('djatoka_server_url', $fedora_server_url.'/adore-djatoka/resolver' ), |
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'#description' => t('The location of your <a href="http://african.lanl.gov/aDORe/projects/djatoka/" title="aDORe Djatoka Home Page">aDORe Djatoka</a> image server, if you have one installed.'), |
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'#weight' => 1, |
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); |
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$form['openlayers_server_url'] = array( |
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'#type' => 'textfield', |
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'#title' => t('OpenLayers servlet URL'), |
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'#default_value' => variable_get('openlayers_server_url', $fedora_server_url.'/islandora/OpenLayers'), |
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'#description' => t('URL of your installation of the <a href="http://openlayers.org/">OpenLayers</a> servlet, if you have one.'), |
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'#weight' => 1, |
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); |
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$form['buttons']['#weight'] = 2; |
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break; |
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} |
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} |
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function show_openlayers_viewer() { |
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$output = 'Hi.'; |
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return $output; |
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} |
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*/
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