<?php
    require('../fpdf.php');

    class PDF extends FPDF
    {
//Current column
        var $col = 0;
//Ordinate of column start
        var $y0;

        function Header()
        {
            //Page header
            global $title;

            $this->SetFont('Arial', 'B', 15);
            $w = $this->GetStringWidth($title) + 6;
            $this->SetX((210 - $w) / 2);
            $this->SetDrawColor(0, 80, 180);
            $this->SetFillColor(230, 230, 0);
            $this->SetTextColor(220, 50, 50);
            $this->SetLineWidth(1);
            $this->Cell($w, 9, $title, 1, 1, 'C', true);
            $this->Ln(10);
            //Save ordinate
            $this->y0 = $this->GetY();
        }

        function Footer()
        {
            //Page footer
            $this->SetY(-15);
            $this->SetFont('Arial', 'I', 8);
            $this->SetTextColor(128);
            $this->Cell(0, 10, 'Page ' . $this->PageNo(), 0, 0, 'C');
        }

        function AcceptPageBreak()
        {
            //Method accepting or not automatic page break
            if ($this->col < 2) {
                //Go to next column
                $this->SetCol($this->col + 1);
                //Set ordinate to top
                $this->SetY($this->y0);
                //Keep on page
                return false;
            } else {
                //Go back to first column
                $this->SetCol(0);
                //Page break
                return true;
            }
        }

        function SetCol($col)
        {
            //Set position at a given column
            $this->col = $col;
            $x         = 10 + $col * 65;
            $this->SetLeftMargin($x);
            $this->SetX($x);
        }

        function PrintChapter($num, $title, $file)
        {
            //Add chapter
            $this->AddPage();
            $this->ChapterTitle($num, $title);
            $this->ChapterBody($file);
        }

        function ChapterTitle($num, $label)
        {
            //Title
            $this->SetFont('Arial', '', 12);
            $this->SetFillColor(200, 220, 255);
            $this->Cell(0, 6, "Chapter $num : $label", 0, 1, 'L', true);
            $this->Ln(4);
            //Save ordinate
            $this->y0 = $this->GetY();
        }

        function ChapterBody($file)
        {
            //Read text file
            $f   = fopen($file, 'r');
            $txt = fread($f, filesize($file));
            fclose($f);
            //Font
            $this->SetFont('Times', '', 12);
            //Output text in a 6 cm width column
            $this->MultiCell(60, 5, $txt);
            $this->Ln();
            //Mention
            $this->SetFont('', 'I');
            $this->Cell(0, 5, '(end of excerpt)');
            //Go back to first column
            $this->SetCol(0);
        }
    }

    $pdf   = new PDF();
    $title = '20000 Leagues Under the Seas';
    $pdf->SetTitle($title);
    $pdf->SetAuthor('Jules Verne');
    $pdf->PrintChapter(1, 'A RUNAWAY REEF', '20k_c1.txt');
    $pdf->PrintChapter(2, 'THE PROS AND CONS', '20k_c2.txt');
    $pdf->Output();
?>