Pdf content not visible in Adobe Reader

[Sanchit Puri]

Hi,

I have created a PDF using TCPDF. The Pdf gets downloaded to my local system but when i open it on browser the content is visible but when i tried to open it using Adobe Reader in my system there is no content in pdf kindly help

[Simon]

Please share the PDF and the code.

[Sanchit Puri]

PHP CODE

function getPdf($html, $name, $img = false, $download = true, $facs_simile = false, $for_saving = false)
{
@ob_end_clean();

    $query = "SELECT lang_browsercode, lang_direction"
        . " FROM " . $GLOBALS['prefix_fw'] . "_lang_language"
        . " WHERE lang_code = '" . getLanguage() . "'";
    list($lang_code, $lang_direction) = mysql_fetch_row(mysql_query($query));

    if (strpos($lang_code, ';') !== false) {
        $lang_code = current(explode(';', $lang_code));
    }
    $lg = array();
    $lg['a_meta_charset'] = "UTF-8";
    $lg['a_meta_dir'] = $lang_direction;
    $lg['a_meta_language'] = $lang_code;
    $lg['w_page'] = "page";
    $this->setLanguageArray($lg);

    /**
     * Protection for the PDF
     *
     * print : Print the document;
     * modify : Modify the contents of the document by operations other than those controlled by 'fill-forms', 'extract' and 'assemble';
     * copy : Copy or otherwise extract text and graphics from the document;
     * annot-forms : Add or modify text annotations, fill in interactive form fields, and, if 'modify' is also set, create or modify interactive form fields (including signature fields);
     * fill-forms : Fill in existing interactive form fields (including signature fields), even if 'annot-forms' is not specified;
     * extract : Extract text and graphics (in support of accessibility to users with disabilities or for other purposes);
     * assemble : Assemble the document (insert, rotate, or delete pages and create bookmarks or thumbnail images), even if 'modify' is not set;
     * print-high : Print the document to a representation from which a faithful digital copy of the PDF content could be generated. When this is not set, printing is limited to a low-level representation of the appearance, possibly of degraded quality.
     * owner : (inverted logic - only for public-key) when set permits change of encryption and enables all other permissions.
     */
    if ($this->isEncrypted()) {
        $this->SetProtection(array('modify', 'copy', 'annot-forms', 'fill-forms', 'extract', 'assemble', 'print-high'), '', $this->getPassword());
    }

    $this->getAliasNbPages();

    $this->AddPage();
    // set JPEG quality
    $this->setJPEGQuality(80);

    if ($img != '') {
        $this->setXY(0, 0);
        $this->Image($GLOBALS['where_files_relative'] . '/appLms/certificate/' . $img, 0, 0, ($this->CurOrientation == 'P' ? 206 : 298), 0, '', '', '', true);
        $this->setXY(0, 0);
    }

    if ($facs_simile) {
        //Put watermark  Author: Ivan
        $this->SetFont('dejavusans', '', 40);
        $this->SetTextColor(240, 240, 240);
        //$this->RotatedText(15, 50, 'F a c - s i m i l e', 270);
        $this->SetFont("dejavusans", "", 10);
        $this->SetTextColor(0, 0, 0);
    }
    $this->setXY(0, 0);
    //$this->UseCSS(true);
    $this->WriteHTML($html);

    $name = str_replace(
        array('\\', '/', ':', '\'', '\*', '?', '"', '<', '>', '|'),
        array('', '', '', '', '', '', '', '', '', ''),
        $name
    );

    // maybe there is a way to understand why ie6 doesn't use correctly the 'D' option, but this work so....

    if ($for_saving)
        return $this->Output(('"' . $name . '.pdf"'), 'S');

    $pdf = $this->Output(('"' . $name . '.pdf"'), 'S');

    session_write_close();
    //ini_set("output_buffering", 0);
    //Download file
    //send file length info
    header('Content-Length:' . strlen($pdf));
    //content type forcing dowlad
    header("Content-type: application/download\n");
    //cache control
    header("Cache-control: private");
    //sending creation time
    header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
    //content type
    header('Content-Disposition: attachment; filename="' . $name . '.pdf"');

    echo $pdf;
    exit();
}

HTML Used In PDF

Certificate Id: HCPC/GMC Number: Reference Number:

CERTIFICATE OF COMPLETION

This is certify that Mr/Mrs. John Deo has completed a online Training course. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.

Date:

25/09/2015

PFA Document of PDF

[Simon]

I think it may in part be because you are using a font that you haven't embedded.

Are you able to create test in PHP that isn't part of your application that replicates the fault?