[edcolon]

Hi,

how do I put an image as a watermark in an output document?

Processmaker recomends to use TCPDF instead of HTML2PDF. With the latter it works however with TCPDF does not.

Thanks in advance.

@Ed

[hmxDavid]

Hi,

how do I put an image as a watermark in an output document?

Processmaker recomends to use TCPDF instead of HTML2PDF. With the latter it works however with TCPDF does not.

Thanks in advance.

@Ed

I know this might be old but here's what I did to add a Watermark in TCPDF.

1. Open the file

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workflow/engine/classes/model/OutputDocument.php

2. Locate the function

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public function generateTcpdf($sUID, $aFields, $sPath, $sFilename, $sContent, $sLandscape = false, $aProperties = array())

and scroll down until you find this portion

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        $pdf->AddPage();

        // set text shadow effect
        //$pdf->setTextShadow(array('enabled'=>true, 'depth_w'=>0.2, 'depth_h'=>0.2, 'color'=>array(196,196,196), 'opacity'=>1, 'blend_mode'=>'Normal'));
        // Print text using writeHTMLCell()
        // $pdf->writeHTMLCell($w=0, $h=0, $x='', $y='', $html, $border=0, $ln=1, $fill=0, $reseth=true, $align='', $autopadding=true);
        if (mb_detect_encoding($sContent) == 'UTF-8') {
            $sContent = mb_convert_encoding($sContent, 'HTML-ENTITIES', 'UTF-8');
        }
        $doc = new DOMDocument('1.0', 'UTF-8');
        if ($sContent != '') {
            $doc->loadHtml($sContent);
        }
        $pdf->writeHTML($doc->saveXML(), false, false, false, false, '');
        // ---------------------------------------------------------
        // Close and output PDF document
        // This method has several options, check the source code documentation for more information.
        //$pdf->Output('example_00.pdf', 'I');
        //$pdf->Output('/home/hector/processmaker/example_00.pdf', 'D');
        switch ($sOutput) {
            case 0:
                // Vrew browser
                $pdf->Output($sPath . $sFilename . '.pdf', 'I');
                break;
            case 1:
                // Donwnload
                $pdf->Output($sPath . $sFilename . '.pdf', 'D');
                break;
            case 2:
                // Save file
                $pdf->Output($sPath . $sFilename . '.pdf', 'F');
                break;
        }

3. Add this code before $pdf->writeHTML($doc->saveXML(), false, false, false, false, '');

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       // -- set new background

        // get the current page break margin
        $bMargin = $pdf->getBreakMargin();
        // get current auto-page-break mode
        $auto_page_break = $pdf->getAutoPageBreak();
        // disable auto-page-break
        $pdf->SetAutoPageBreak(false, 0);
        // set background image
        $img_file ='location/of/the.watermark/image.png';

       //$pdf->Image($img_file, top,left, width,height, '', '', '', false, 300, '', false, false, 0);
        $pdf->Image($img_file, 15, 50, 180, 180, '', '', '', false, 300, '', false, false, 0);
        // restore auto-page-break status
        $pdf->SetAutoPageBreak($auto_page_break, $bMargin);
        // set the starting point for the page content
        $pdf->setPageMark();

Adjust accordingly the top, left, width and height.

Thanks,
hnxDavid