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https://git.code.sf.net/p/seeddms/code
synced 2025-06-01 22:47:19 +00:00
converters can be set by setConverters()
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@ -37,6 +37,13 @@ class SeedDMS_Preview_Previewer {
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*/
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protected $width;
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/**
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* @var array $converters list of mimetypes and commands for converting
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* file into preview image
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* @access protected
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*/
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protected $converters;
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/**
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* @var integer $timeout maximum time for execution of external commands
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* @access protected
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@ -54,6 +61,17 @@ class SeedDMS_Preview_Previewer {
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$this->previewDir = $previewDir;
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}
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$this->width = intval($width);
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$this->converters = array(
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'image/png' => "convert -resize %wx '%f' '%o'",
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'image/gif' => "convert -resize %wx '%f' '%o'",
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'image/jpg' => "convert -resize %wx '%f' '%o'",
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'image/jpeg' => "convert -resize %wx '%f' '%o'",
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'image/svg+xml' => "convert -resize %wx '%f' '%o'",
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'text/plain' => "convert -resize %wx '%f' '%o'",
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'application/pdf' => "convert -density 100 -resize %wx '%f[0]' '%o'",
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'application/postscript' => "convert -density 100 -resize %wx '%f[0]' '%o'",
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'application/x-compressed-tar' => "tar tzvf '%f' | convert -density 100 -resize %wx text:-[0] '%o",
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);
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$this->timeout = intval($timeout);
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}
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@ -65,7 +83,7 @@ class SeedDMS_Preview_Previewer {
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);
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$pipes = array();
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$timeout += time();
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$timeout += time();
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$process = proc_open($cmd, $descriptorspec, $pipes);
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if (!is_resource($process)) {
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throw new Exception("proc_open failed on: " . $cmd);
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@ -93,6 +111,16 @@ class SeedDMS_Preview_Previewer {
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}
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} /* }}} */
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/**
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* Set a list of converters
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*
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* @param array list of converters. The key of the array contains the mimetype
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* and the value is the command to be called for creating the preview
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*/
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function setConverters($arr) { /* {{{ */
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$this->converters = array_merge($arr, $this->converters);
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} /* }}} */
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/**
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* Return the physical filename of the preview image on disk
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*
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@ -154,6 +182,10 @@ class SeedDMS_Preview_Previewer {
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$target = $this->previewDir.$dir.md5($infile).'-'.$width;
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if($target != '' && (!file_exists($target.'.png') || filectime($target.'.png') < filectime($infile))) {
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$cmd = '';
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if(isset($this->converters[$mimetype])) {
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$cmd = str_replace(array('%w', '%f', '%o'), array($width, $infile, $target.'.png'), $this->converters[$mimetype]);
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}
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/*
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switch($mimetype) {
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case "image/png":
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case "image/gif":
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@ -173,6 +205,7 @@ class SeedDMS_Preview_Previewer {
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$cmd = 'tar tzvf '.$infile.' | convert -density 100 -resize '.$width.'x text:-[0] '.$target.'.png';
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break;
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}
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*/
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if($cmd) {
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//exec($cmd);
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try {
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@ -211,7 +244,6 @@ class SeedDMS_Preview_Previewer {
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$file = $document->_dms->contentDir.$object->getPath();
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$target = $this->getFileName($object, $width);
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return $this->createRawPreview($file, $document->getDir(), $object->getMimeType(), $width, $target);
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} /* }}} */
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/**
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