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<?php
/**
* $Id: pdf.php,v 1.15.2.10.2.4 2007/03/25 14:52:54 thorstenr Exp $
*
* Main PDF class for phpMyFAQ based on FPDF by Olivier Plathey
*
* @package phpmyfaq
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @author Peter Beauvain <pbeauvain@web.de>
* @author Olivier Plathey <olivier@fpdf.org>
* @author Krzysztof Kruszynski <thywolf@wolf.homelinux.net>
* @since 2004-11-21
* @license Mozilla Public License 1.1
* @copyright Copyright (c) 2004-2007 phpMyFAQ Team
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*/
define('FPDF_FONTPATH', dirname(dirname(__FILE__)).'/font/');
require_once(dirname(dirname(__FILE__)).'/inc/fpdf.php');
class PDF extends FPDF
{
/**
* <b> and <strong> for bold strings
*
* @var string
* @access private
* @see
*/
var $B;
/**
* <i> and <em> for italic strings
*
* @var string
* @access private
* @see
*/
var $I;
/**
* <u> for underlined strings
*
* @var string
* @access private
* @see
*/
var $U;
/**
* The "src" attribute inside (X)HTML tags
*
* @var string
* @access private
* @see
*/
var $SRC;
/**
* The "href" attribute inside (X)HTML tags
*
* @var string
* @access private
* @see
*/
var $HREF;
/**
* <pre> for code examples
*
* @var string
* @access private
* @see
*/
var $PRE;
/**
* <div align="center"> for centering text
*
* @var string
* @access private
* @see
*/
var $CENTER;
/**
* The border of a table
*
* @var int
* @access private
* @see
*/
var $tableborder;
/**
* The begin of a table
*
* @var int
* @access private
* @see
*/
var $tdbegin;
/**
* The width of a table
*
* @var int
* @access private
* @see
*/
var $tdwidth;
/**
* The heightof a table
*
* @var int
* @access private
* @see
*/
var $tdheight;
/**
* The alignment of a table
*
* @var int
* @access private
* @see
*/
var $tdalign;
/**
* The background color of a table
*
* @var int
* @access private
* @see
*/
var $tdbgcolor;
/**
* With or without bookmarks
*
* @var boolean
* access public
* @see Bookmartk()
*/
var $enableBookmarks = false;
/**
* Array with titles
* @var array
* @access private
* @see
*/
var $outlines = array();
/**
* Outline root
* @var string
* @access private
* @see
*/
var $OutlineRoot;
/**
* Supported MIME types
*
*/
var $mimetypes = array("2" => "jpg", "3" => "png");
/**
* Category ID
*
* @var integer
*/
var $category = null;
/**
* Constructor
*
* @param int The category ID
* @param string The title of the FAQ record
* @param array The array with all category names
* @param string The orientation of the created PDF file
* @param string The unit of the created PDF file
* @param string The format of the created PDF file
* @return void
* @access private
*/
function PDF($category = '', $thema = '', $categories = '', $orientation = 'P', $unit = 'mm', $format = 'A4')
{
$this->category = $category;
$this->thema = $thema;
$this->categories = $categories;
$this->FPDF($orientation, $unit, $format);
$this->B = 0;
$this->I = 0;
$this->U = 0;
$this->PRE = 0;
$this->CENTER = 0;
$this->SRC = '';
$this->HREF = '';
$this->tableborder = 0;
$this->tdbegin = false;
$this->tdwidth = 0;
$this->tdheight = 0;
$this->tdalign = 'L';
$this->tdbgcolor = false;
}
// PUBLIC
/**
* The main (X)HTML parser
*
* @param string
* @access public
* @return void
*/
function WriteHTML($html)
{
// save (X)HTML and XML code ...
$htmlSearch = array('"', '<', '>', ' ', '&', '\n');
$htmlReplace = array('"', '‹', '›', ' ', '&', '<br />');
$html = str_replace($htmlSearch, $htmlReplace, $html);
$a = preg_split("/<(.*)>/U", $html, -1, PREG_SPLIT_DELIM_CAPTURE);
foreach($a as $i => $e) {
if ($i % 2 == 0) {
if ($this->HREF) {
$this->PutLink($this->HREF,$e);
} elseif ($this->SRC) {
$this->AddImage($this->SRC);
$this->SRC = "";
} elseif ($this->CENTER) {
$this->MultiCell(0, 1, $e, 0, "L");
} elseif ($this->tdbegin) {
if (trim($e) != '' && $e != " ") {
$this->Cell($this->tdwidth, $this->tdheight, $e, $this->tableborder, '', $this->tdalign, $this->tdbgcolor);
} elseif ($e == " ") {
$this->Cell($this->tdwidth, $this->tdheight, '', $this->tableborder, '' ,$this->tdalign, $this->tdbgcolor);
}
} else {
$this->Write(5,$e);
}
} else {
if ($e{0} == "/") {
$this->CloseTag(strtoupper(substr($e,1)));
} else {
$a2 = explode(" ",$e);
$tag = strtoupper(array_shift($a2));
$attr = array();
foreach ($a2 as $v) {
if (ereg('^([^=]*)=["\']?([^"\']*)["\']?$',$v,$a3)) {
$attr[strtoupper($a3[1])]=$a3[2];
}
}
$this->OpenTag($tag,$attr);
}
}
}
}
/**
* Combines the PDF bookmarks
*
* @param string
* @param int
* @param int
* @return void
* @access public
*/
function Bookmark($txt, $level = 0, $y = 0)
{
if ($y == -1) {
$y = $this->GetY();
}
// Add a bookmark entry once per faq, even if the faq is taking more than 1 page
if ((0 == count($this->outlines)) || ($this->outlines[count($this->outlines)-1]["t"] != $txt)) {
$this->outlines[] = array("t" => $txt, "l" => $level, "y" => $y, "p" => $this->PageNo());
}
}
// PRIVATE
/**
* The header of the PDF file
*
* @return void
* @access private
*/
function Header()
{
$title = $this->categories[$this->category]["name"].": ".$this->thema;
$currentTextColor = $this->TextColor;
$this->SetTextColor(0,0,0);
$this->SetFont("Arial", "I", 18);
$this->MultiCell(0, 9, $title, 1, 1, "C", 1);
$this->Ln(8);
if ($this->enableBookmarks == true) {
$this->Bookmark(makeShorterText($this->thema, 5));
}
$this->TextColor = $currentTextColor;
}
/**
* The footer of the PDF file
*
* @return void
* @access private
*/
function Footer() {
global $cat, $PMF_CONF, $PMF_LANG;
$currentTextColor = $this->TextColor;
$this->SetTextColor(0,0,0);
$this->SetY(-25);
$this->SetFont("Arial", "I", 10);
$this->Cell(0, 10, $PMF_LANG["ad_gen_page"]." ".$this->PageNo()."/{nb}",0,0,"C");
$this->SetY(-20);
$this->SetFont("Arial", "B", 8);
$this->Cell(0, 10, "(c) ".date("Y")." ".$PMF_CONF["metaPublisher"]." <".$PMF_CONF["adminmail"].">",0,1,"C");
if ($this->enableBookmarks == false) {
$this->SetY(-15);
$this->SetFont("Arial", "", 8);
$_url = getSystemScheme().$_SERVER["HTTP_HOST"].str_replace("pdf.php", "index.php?action=artikel&cat=".$this->categories[$this->category]["id"]."&id=".$_REQUEST["id"]."&artlang=".$_REQUEST["lang"], $_SERVER["PHP_SELF"]);
$this->Cell(0, 10, "URL: ".$_url, 0, 1, "C", 0, $_url);
}
$this->TextColor = $currentTextColor;
}
/**
* Locate the supported tags and set, what to do next
*
* @param string
* @param array
* @return void
* @access private
*/
function OpenTag($tag, $attr)
{
switch ($tag) {
case "STRONG":
case "B": $this->SetStyle('B', true);
break;
case "EM":
case "I": $this->SetStyle('I', true);
break;
case "U": $this->SetStyle('U', true);
break;
case "CODE":
case "PRE": $this->SetFont("Courier", "", 10);
$this->SetTextColor(0,0,255);
break;
case "A": if (isset($attr["HREF"])) {
$this->HREF = $attr["HREF"];
}
break;
case "IMG": $this->SRC = $attr["SRC"];
$this->Ln();
break;
case "DIV": if (isset($attr['ALIGN']) && $attr["ALIGN"] != "justify") {
$this->CENTER = $attr["ALIGN"];
}
break;
case 'OL':
case 'UL': $this->SetLeftMargin($this->lMargin + 10);
break;
case 'LI': $this->SetX($this->GetX() - 10);
$this->Cell(10, 5, chr(149), 0, 0, 'C');
break;
case "P":
case "BR": $this->Ln(5);
break;
case "TABLE": if (isset($attr['BORDER']) && $attr['BORDER'] != "") {
$this->tableborder = $attr['BORDER'];
} else {
$this->tableborder = 0;
}
break;
case "TD": if (isset($attr['WIDTH']) && $attr['WIDTH'] != "") {
$this->tdwidth = ($attr['WIDTH'] / 4);
} else {
$this->tdwidth = 40;
}
if (isset($attr['HEIGHT']) && $attr['HEIGHT'] != "") {
$this->tdheight = ($attr['HEIGHT'] / 6);
} else {
$this->tdheight = 6;
}
if (isset($attr['ALIGN']) && $attr['ALIGN'] != "") {
$align = $attr['ALIGN'];
if ($align == "LEFT") {
$this->tdalign = "L";
}
if ($align == "CENTER") {
$this->tdalign = "C";
}
if ($align == "RIGHT") {
$this->tdalign = "R";
}
} else {
$this->tdalign = "L";
}
if (isset($attr['BGCOLOR']) && $attr['BGCOLOR'] != "") {
$color = $this->hex2dec($attr['BGCOLOR']);
$this->SetFillColor($color['R'], $color['G'], $color['B']);
$this->tdbgcolor = true;
}
$this->tdbegin = true;
break;
case "HR": $this->Ln(2);
$this->Line($this->GetX(), $this->GetY(), $this->GetX() + 187, $this->GetY());
$this->Ln(3);
break;
case "SUP": $this->subWrite(true, 3);
break;
case "SUB": $this->subWrite(true, -3);
break;
default: break;
}
}
/**
* Finish what to do with a (X)HTML tag
*
* @param string
* @return void
* @access private
*/
function CloseTag($tag)
{
switch ($tag) {
case "B":
case "I":
case "U": $this->SetStyle($tag, false);
break;
case "STRONG": $this->SetStyle("B", false);
break;
case "EM": $this->SetStyle("I", false);
break;
case "CODE":
case "PRE": $this->SetFont("Arial", "", 12);
$this->SetTextColor(0,0,0);
break;
case "A": $this->HREF = "";
break;
case "DIV": $this->CENTER = "";
break;
case 'OL':
case 'UL': $this->SetLeftMargin($this->lMargin - 10);
$this->Ln();
break;
case 'LI': $this->Ln();
break;
case "TD": $this->tdbegin = false;
$this->tdwidth = 0;
$this->tdheight = 0;
$this->tdalign = "L";
$this->tdbgcolor = false;
break;
case "TR"; $this->Ln();
break;
case "TABLE"; $this->tableborder = 0;
break;
case "P": $this->Ln(5);
break;
case "SUP": $this->subWrite(false, 3);
break;
case "SUB": $this->subWrite(false, -3);
break;
default: break;
}
}
/**
* Set the specific style according to the (X)HTML tag
*
* @param string
* @param boolean
* @return void
* @access private
*/
function SetStyle($tag, $enable)
{
$this->$tag += ($enable ? 1 : -1);
$style = "";
foreach (array("B", "I", "U") as $s) {
if ($this->$s > 0) {
$style .= $s;
}
}
$this->SetFont("", $style);
}
/**
* Sets a link to an URL
*
* @param string URL
* @param string the title of the link
* @return void
* @access private
*/
function PutLink($URL, $txt)
{
$this->SetTextColor(0, 0, 255);
$this->SetStyle("U", true);
$this->Write(5, $txt, $URL);
$this->SetStyle("U", false);
$this->SetTextColor(0);
}
/**
* Adds a image
*
* @param string path to the image
* @return void
* @access private
*/
function AddImage($image)
{
// Check, if image is stored locally or not
if ("http" != substr($image, 0, 4)) {
// Please note that the image must be accessible by HTTP NOT ONLY by HTTPS
$image = "http://".$_SERVER["SERVER_NAME"].$image;
}
// Set a friendly User Agent
$ua = ini_get('user_agent');
ini_set('user_agent', 'phpMyFAQ PDF Builder');
if (!$info = @GetImageSize($image)) {
return;
}
if ($info[0] > 555 ) {
$w = $info[0] / 144 * 25.4;
$h = $info[1] / 144 * 25.4;
} else {
$w = $info[0] / 72 * 25.4;
$h = $info[1] / 72 * 25.4;
}
// Check for the fpdf image type support
if (isset($this->mimetypes[$info[2]])) {
$type = $this->mimetypes[$info[2]];
} else {
return;
}
$hw_ratio = $h / $w;
$this->Write(5,' ');
if ($info[0] > $this->wPt) {
$info[0] = $this->wPt - $this->lMargin - $this->rMargin;
if ($w > $this->w) {
$w = $this->w - $this->lMargin - $this->rMargin;
$h = $w*$hw_ratio;
}
}
$x = $this->GetX();
if ($this->GetY() + $h > $this->h) {
$this->AddPage();
}
$y = $this->GetY();
$this->Image($image, $x, $y, $w, $h, $type);
$this->Write(5,' ');
$y = $this->GetY();
$this->Image($image, $x, $y, $w, $h, $type);
if ($y + $h > $this->hPt) {
$this->AddPage();
} else {
if ($info[1] > 20 ) {
$this->SetY($y+$h);
}
$this->SetX($x+$w);
}
// Unset the friendly User Agent restoring the original UA
ini_set('user_agent', $ua);
}
/**
* Place a string at a superscripted or subscripted position.
*
* @param boolean
* @param int superscripted or subscripted position
* @return void
* @access private
*/
function subWrite($replace = false, $offset = 0)
{
if ($replace == true) {
$this->SetFontSize(6);
$offset = (((-6) / $this->k) * 0.3) + ($offset / $this->k);
$subX = $this->x;
$subY = $this->y;
$this->SetXY($subX, $subY - $offset);
} elseif ($replace == false) {
$subX = $this->x;
$subY = $this->y;
$this->SetXY($subX, $subY + $offset);
$this->SetFontSize(12);
}
}
/**
*
*
* @return void
* @access private
*/
function _putbookmarks()
{
$nb = count($this->outlines);
if ($nb == 0) {
return;
}
$lru = array();
$level = 0;
foreach ($this->outlines as $i=>$o) {
if ($o['l'] > 0) {
$parent = $lru[$o['l']-1];
$this->outlines[$i]['parent'] = $parent;
$this->outlines[$parent]['last'] = $i;
if ($o['l'] > $level) {
$this->outlines[$parent]['first'] = $i;
}
} else {
$this->outlines[$i]['parent'] = $nb;
}
if($o['l'] <= $level and $i > 0) {
//Set prev and next pointers
$prev = $lru[$o['l']];
$this->outlines[$prev]['next'] = $i;
$this->outlines[$i]['prev'] = $prev;
}
$lru[$o['l']] = $i;
$level = $o['l'];
}
//Outline items
$n = $this->n + 1;
foreach($this->outlines as $i=>$o) {
$this->_newobj();
$this->_out('<</Title '.$this->_textstring($o['t']));
$this->_out('/Parent '.($n+$o['parent']).' 0 R');
if (isset($o['prev'])) {
$this->_out('/Prev '.($n+$o['prev']).' 0 R');
}
if (isset($o['next'])) {
$this->_out('/Next '.($n+$o['next']).' 0 R');
}
if (isset($o['first'])) {
$this->_out('/First '.($n+$o['first']).' 0 R');
}
if (isset($o['last'])) {
$this->_out('/Last '.($n+$o['last']).' 0 R');
}
$this->_out(sprintf('/Dest [%d 0 R /XYZ 0 %.2f null]', 1 + 2 * $o['p'], $this->h * $this->k));
$this->_out('/Count 0>>');
$this->_out('endobj');
}
//Outline root
$this->_newobj();
$this->OutlineRoot = $this->n;
$this->_out('<</Type /Outlines /First '.$n.' 0 R');
$this->_out('/Last '.($n + $lru[0]).' 0 R>>');
$this->_out('endobj');
}
/**
*
*
* @return void
* @access private
*/
function _putresources()
{
parent::_putresources();
$this->_putbookmarks();
}
/**
*
*
* @return void
* @access private
*/
function _putcatalog()
{
parent::_putcatalog();
if(count($this->outlines) > 0) {
$this->_out('/Outlines '.$this->OutlineRoot.' 0 R');
$this->_out('/PageMode /UseOutlines');
}
}
/**
* Converts hex colors to decimal rgb numbers
*
* @param string
* @return array
* @access private
*/
function hex2dec($color = "#000000")
{
$R = substr($color, 1, 2);
$red = hexdec($R);
$G = substr($color, 3, 2);
$green = hexdec($G);
$B = substr($color, 5, 2);
$blue = hexdec($B);
$tbl_color = array();
$tbl_color['R'] = $red;
$tbl_color['G'] = $green;
$tbl_color['B'] = $blue;
return $tbl_color;
}
}
?>
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