/**
* test to combine Zend_Pdf content with tcpdf pdfs
*
* @param $observer
*/
public function adjustPdf($observer)
{
$extractor = new Zend_Pdf_Resource_Extractor();
$pdf = $observer->getEvent()->getPdf();
$counter = false;
foreach ($pdf->pages as $key => &$page) {
if ($page instanceof Fooman_PdfCustomiser_Model_Abstract) {
$counter = 1;
$instance = $page;
$firstKey = $key;
unset($pdf->pages[$key]);
} elseif ($counter == 1) {
$objectArray = $page;
$counter++;
unset($pdf->pages[$key]);
} elseif ($counter == 2) {
$orderIds = $page;
$tcpdf = Zend_Pdf::parse($instance->renderPdf($objectArray, $orderIds, null, true));
foreach ($tcpdf->pages as $p) {
$pdf->pages[$firstKey] = $extractor->clonePage($p);
}
$counter = 0;
}
}
}
/**
* keep compatible with the Zend_Pdf way of doing things
* collect input for later processing with render()
*
* @param array $input array of items to print
* @param array $orderIds array of order ids
*
* @return Fooman_PdfCustomiser_Model_Abstract | Zend_Pdf
*/
public function getPdf($input = array(), $orderIds = null)
{
if (self::COMPAT_MODE) {
try {
$newPdf = new Zend_Pdf();
$extractor = new Zend_Pdf_Resource_Extractor();
if (!empty($orderIds)) {
$origPdf = $this->renderPdf(null, $orderIds, null, true);
} else {
$origPdf = $this->renderPdf($input, $orderIds, null, true);
}
if ($origPdf->getPdfAnyOutput()) {
$pdfString = $origPdf->Output('output.pdf', 'S');
$tcpdf = Zend_Pdf::parse($pdfString);
foreach ($tcpdf->pages as $p) {
$newPdf->pages[] = $extractor->clonePage($p);
}
}
return $newPdf;
} catch (Exception $e) {
Mage::logException($e);
}
} else {
$this->pages[] = array('instance' => $this, 'objectArray' => $input, 'orderIds' => $orderIds);
return $this;
}
}
/**
* Extract selected pages from PDF files using Zend_Pdf library.
* @param object $pdfparts
* @param object $file
* @return string extracted pages in one PDF file (suitable for direct output to browser or saveing to disk)
*/
function pdfparse_pdf_zend_extract($pdfparts, $file)
{
global $CFG;
try {
require_once "{$CFG->dirroot}/mod/pdfparts/Zend/Pdf.php";
// load PDF document from file contents
$pdf = Zend_Pdf::parse(trim($file->get_content()));
$pdfpagecount = count($pdf->pages);
// parse page range
$pagerange = pdfparts_parse_page_range($pdfparts, $pdfpagecount);
// new PDF for output
$outpdf = new Zend_Pdf();
// new PDF page extractor
$extractor = new Zend_Pdf_Resource_Extractor();
// good example: http://framework.zend.com/manual/1.12/en/zend.pdf.pages.html#zend.pdf.pages.cloning
foreach ($pagerange as $value) {
if (is_int($value)) {
$outpdf->pages[] = $extractor->clonePage($pdf->pages[$value - 1]);
} elseif (is_array($value)) {
for ($k = $value[0]; $k <= $value[1]; $k++) {
$outpdf->pages[] = $extractor->clonePage($pdf->pages[$k - 1]);
}
}
}
// get PDF document as a string
$pdfdata = $outpdf->render();
return $pdfdata;
} catch (Zend_Pdf_Exception $e) {
print_error("Could not process the PDF file aosciated with this instance of the PDFParts module.");
} catch (Exception $e) {
print_error("Unknown error while processing the PDF file aosciated with this instance of the PDFParts module.");
return null;
}
}