/**
* Renders the specified object into images.
* The images do not need to be of the preview image size.
*
* @param ilObjFile $obj The object to create images from.
* @return array An array of ilRenderedImage containing the absolute file paths to the images.
*/
protected function renderImages($obj)
{
$numOfPreviews = $this->getMaximumNumberOfPreviews();
// get file path
$filepath = $obj->getFile();
$inputFile = $this->prepareFileForExec($filepath);
// create a temporary file name and remove its extension
$output = str_replace(".tmp", "", ilUtil::ilTempnam());
// use '#' instead of '%' as it gets replaced by 'escapeShellArg' on windows!
$outputFile = $output . "_#02d.png";
// create images with ghostscript (we use PNG here as it has better transparency quality)
// gswin32c -dBATCH -dNOPAUSE -dSAFER -dFirstPage=1 -dLastPage=5 -sDEVICE=pngalpha -dEPSCrop -r72 -o $outputFile $inputFile
// gswin32c -dBATCH -dNOPAUSE -dSAFER -dFirstPage=1 -dLastPage=5 -sDEVICE=jpeg -dJPEGQ=90 -r72 -o $outputFile $inputFile
$args = sprintf("-dBATCH -dNOPAUSE -dSAFER -dFirstPage=1 -dLastPage=%d -sDEVICE=pngalpha -dEPSCrop -r72 -o %s %s", $numOfPreviews, str_replace("#", "%", ilUtil::escapeShellArg($outputFile)), ilUtil::escapeShellArg($inputFile));
ilUtil::execQuoted(PATH_TO_GHOSTSCRIPT, $args);
// was a temporary file created? then delete it
if ($filepath != $inputFile) {
@unlink($inputFile);
}
// check each file and add it
$images = array();
$outputFile = str_replace("#", "%", $outputFile);
for ($i = 1; $i <= $numOfPreviews; $i++) {
$imagePath = sprintf($outputFile, $i);
if (!file_exists($imagePath)) {
break;
}
$images[] = new ilRenderedImage($imagePath);
}
return $images;
}
/**
* Renders the specified object into images.
* The images do not need to be of the preview image size.
*
* @param ilObjFile $obj The object to create images from.
* @return array An array of ilRenderedImage containing the absolute file paths to the images.
*/
protected function renderImages($obj)
{
$filepath = $obj->getFile();
$tmpPath = $this->prepareFileForExec($filepath);
$isTemporary = $tmpPath != $filepath;
return array(new ilRenderedImage($tmpPath . "[0]", $isTemporary));
}
/**
* send File to User
*/
public function sendFile()
{
global $ilAccess;
//need read access to receive file
if ($ilAccess->checkAccess("read", "", $this->parent_obj->ref_id)) {
$rec_id = $_GET['record_id'];
$record = ilDataCollectionCache::getRecordCache($rec_id);
$field_id = $_GET['field_id'];
$file_obj = new ilObjFile($record->getRecordFieldValue($field_id), false);
if (!$this->recordBelongsToCollection($record, $this->parent_obj->ref_id)) {
return;
}
ilUtil::deliverFile($file_obj->getFile(), $file_obj->getTitle());
}
}
