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contributions/pdf/lib/components/pdfmaker.cls.php

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<?php

/**
 * Custom PDF implementation
 *
 * @author Gerd Riesselmann
 */

$thirdparty_dir = dirname(__FILE__) . '/../../3rdparty/fpdf/';
if (!defined('FPDF_FONTPATH')) {
        define('FPDF_FONTPATH', $thirdparty_dir . 'font/');
} 
require_once $thirdparty_dir . 'fpdf.php';
require_once $thirdparty_dir . 'fpdi.php';
 
class PDFMaker extends FPDI
{
        private $text;
        private $template;
        private $template_pagecount = 0;
        private $filename;
        
        private $style = array();
        private $cell = false;
        private $skipFirstLF = false;

        public function __construct($text, $filename, $template = "") {
                $this->text = $text;
                $this->filename = $filename;
                $this->template = $template;
                if (!empty($this->template)) {
                        $this->template_pagecount = $this->setSourceFile($this->template);
                }
                                
                FPDI::FPDI("P", "mm", "A4");
        }
        
        /**
         * Creates the PDF and stores it under given filename
         *
         * @param Integer Text start top in mm
         * @param Integer Text left in mm
         * @param Integer Text bottom in mm
         *
         * @return Status
         */
        function create($top = 10, $left = 10, $bottom = 20) {          
                $this->AddPage();
                $this->SetMargins($left, $top, $left);
                $this->SetAutoPageBreak(true, $bottom);
                $this->SetFont("helvetica", "", 9);
                $this->SetXY($left, $top);
                $this->writeFormatted(5, $this->text);
                $this->Output($this->filename, "F");
        }

        function Footer() {
                $page_no = $this->PageNo();
                $tpl_page = 0;
                if ($page_no <= $this->template_pagecount) {
                        $tpl_page = $page_no;
                }
                else if ($this->template_pagecount > 0) {
                        $tpl_page = $this->template_pagecount;
                }
                if ($tpl_page) {
                        $tplidx = $this->ImportPage($tpl_page);
                        $this->useTemplate($tplidx);
                }
        }
        
        function writeFormatted($lineHeight, $text) {
                $arrText = preg_split('/<(.*)>/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
                foreach($arrText as $index => $content) {
                        if($index % 2 == 0) {
                                if ($this->cell !== false) {
                                        $arrCell = array(
                                                "w" => 0,
                                                "h" => 5,
                                                "border" => 0,
                                                "align" => "L",
                                                "fill" => 0
                                        );
                                                 
                                        Arr::clean($arrCell, $this->cell);
                                        
                        //Text
                        $this->Cell(
                                $arrCell["w"], 
                                $arrCell["h"], 
                                $content,
                              $arrCell["border"], 
                              0, 
                              $arrCell["align"], 
                              $arrCell["fill"]
                                        );
                                }
                                else {
                                        if (false && $this->skipFirstLF === true && strlen($content) > 0) {
                                                if (strpos($content, "\r\n") === 0) {
                                                        $content = substr($content, 2);
                                                }
                                                else if(strpos($content, "\n") === 0) {
                                                        $content = substr($content, 1);
                                                }
                                                $this->skipFirstLF = false;
                                        }
                                                
                                        $this->Write(5, $content);
                                }
      }
      else {
                //Tags
                                if($content{0} == '/') {
                                        $this->closeTag(strtoupper(substr($content,1)));
                                }
                                else {
                                //Extract attributes
                                        $arrAttrs = explode(' ', $content);
                                        $tag = strtoupper(array_shift($arrAttrs));
                                        $arrAttrValues = array();
                                        foreach($arrAttrs as $attrExpression) {
                                if ( ereg('^([^=]*)=["\']?([^"\']*)["\']?$', $attrExpression, $temp)) {
                $arrAttrValues[strtoupper($temp[1])] = $temp[2];
                                }
                                        }
                        $this->openTag($tag, $arrAttrValues);
                }
        }
    }
        }
        
        function openTag($tag, &$arrAttributes) {
                switch ($tag) {
                        case "B":
                        case "I":
                        case "U":
                                $this->setStyle($tag, 1);
                                break;
                        case "CELL":
                                $this->cell = array();
                                foreach($arrAttributes as $name => $value) {
                                        $this->cell[strtolower($name)] = strtoupper($value);
                                }
                                break;
                }
        }
        
        function closeTag($tag) {
                switch ($tag) {
                        case "B":
                        case "I":
                        case "U":
                                $this->setStyle($tag, 0);
                                break;
                        case "CELL":
                                $this->cell = false;
                                $this->skipFirstLF = true;
                                break;
                }
        }
        
        function setStyle($tag, $enable) {
                //Modify style and select corresponding font
                if (array_key_exists($tag, $this->style) == false) {
                        $this->style[$tag] = 0;
                }
                        
                $this->style[$tag] += ($enable ? 1 : -1);
                $style='';
                foreach($this->style as $s => $count) {
                        if($count > 0) {
                                $style.=$s;
                        }
                }
                $this->SetFont('',$style);
        }
}

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