Codice PHP:
<?php
//Based on HTML2PDF by Clément Lavoillotte
require('fpdf.php');
//function hex2dec
//returns an associative array (keys: R,G,B) from
//a hex html code (e.g. #3FE5AA)
function hex2dec($couleur = "#000000"){
$R = substr($couleur, 1, 2);
$rouge = hexdec($R);
$V = substr($couleur, 3, 2);
$vert = hexdec($V);
$B = substr($couleur, 5, 2);
$bleu = hexdec($B);
$tbl_couleur = array();
$tbl_couleur['R']=$rouge;
$tbl_couleur['G']=$vert;
$tbl_couleur['B']=$bleu;
return $tbl_couleur;
}
//conversion pixel -> millimeter in 72 dpi
function px2mm($px){
return $px*25.4/72;
}
function txtentities($html){
$trans = get_html_translation_table(HTML_ENTITIES);
$trans = array_flip($trans);
return strtr($html, $trans);
}
////////////////////////////////////
class PDF extends FPDF
{
//variables of html parser
var $B;
var $I;
var $U;
var $HREF;
var $fontList;
var $issetfont;
var $issetcolor;
function PDF($orientation='P', $unit='mm', $format='A4')
{
//Call parent constructor
$this->FPDF($orientation,$unit,$format);
//Initialization
$this->B=0;
$this->I=0;
$this->U=0;
$this->HREF='';
$this->tableborder=0;
$this->tdbegin=false;
$this->tdwidth=0;
$this->tdheight=0;
$this->tdalign="C";
$this->tdbgcolor=false;
$this->oldx=0;
$this->oldy=0;
$this->fontlist=array("arial","times","courier","helvetica","symbol");
$this->issetfont=false;
$this->issetcolor=false;
}
//////////////////////////////////////
//html parser
function WriteHTML($html)
{
$html=strip_tags($html,"[b]<u>[i]<a><img>
[b][i]<font><tr><blockquote><hr><td><tr><table><sup>"); //remove all unsupported tags
$html=str_replace("\n",'',$html); //replace carriage returns by spaces
$html=str_replace("\t",'',$html); //replace carriage returns by spaces
$a=preg_split('/<(.*)>/U',$html,-1,PREG_SPLIT_DELIM_CAPTURE); //explodes the string
foreach($a as $i=>$e)
{
if($i%2==0)
{
//Text
if($this->HREF)
$this->PutLink($this->HREF,$e);
elseif($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
$this->Write(5,stripslashes(txtentities($e)));
}
else
{
//Tag
if($e[0]=='/')
$this->CloseTag(strtoupper(substr($e,1)));
else
{
//Extract attributes
$a2=explode(' ',$e);
$tag=strtoupper(array_shift($a2));
$attr=array();
foreach($a2 as $v)
{
if(preg_match('/([^=]*)=["\']?([^"\']*)/',$v,$a3))
$attr[strtoupper($a3[1])]=$a3[2];
}
$this->OpenTag($tag,$attr);
}
}
}
}
function OpenTag($tag, $attr)
{
//Opening tag
switch($tag){
case 'SUP':
if( !empty($attr['SUP']) ) {
//Set current font to 6pt
$this->SetFont('','',6);
//Start 125cm plus width of cell to the right of left margin
//Superscript "1"
$this->Cell(2,2,$attr['SUP'],0,0,'C');
}
break;
case 'TABLE': // TABLE-BEGIN
if( !empty($attr['BORDER']) ) $this->tableborder=$attr['BORDER'];
else $this->tableborder=0;
break;
case 'TR': //TR-BEGIN
break;
case 'TD': // TD-BEGIN
if( !empty($attr['WIDTH']) ) $this->tdwidth=($attr['WIDTH']/4);
else $this->tdwidth=40; // Set to your own width if you need bigger fixed cells
if( !empty($attr['HEIGHT']) ) $this->tdheight=($attr['HEIGHT']/6);
else $this->tdheight=6; // Set to your own height if you need bigger fixed cells
if( !empty($attr['ALIGN']) ) {
$align=$attr['ALIGN'];
if($align=='LEFT') $this->tdalign='L';
if($align=='CENTER') $this->tdalign='C';
if($align=='RIGHT') $this->tdalign='R';
}
else $this->tdalign='C'; // Set to your own
if( !empty($attr['BGCOLOR']) ) {
$coul=hex2dec($attr['BGCOLOR']);
$this->SetFillColor($coul['R'],$coul['G'],$coul['B']);
$this->tdbgcolor=true;
}
$this->tdbegin=true;
break;
case 'HR':
if( !empty($attr['WIDTH']) )
$Width = $attr['WIDTH'];
else
$Width = $this->w - $this->lMargin-$this->rMargin;
$x = $this->GetX();
$y = $this->GetY();
$this->SetLineWidth(0.2);
$this->Line($x,$y,$x+$Width,$y);
$this->SetLineWidth(0.2);
$this->Ln(1);
break;
case 'STRONG':
$this->SetStyle('B',true);
break;
case 'EM':
$this->SetStyle('I',true);
break;
case 'B':
case 'I':
case 'U':
$this->SetStyle($tag,true);
break;
case 'A':
$this->HREF=$attr['HREF'];
break;
case 'IMG':
if(isset($attr['SRC']) && (isset($attr['WIDTH']) || isset($attr['HEIGHT']))) {
if(!isset($attr['WIDTH']))
$attr['WIDTH'] = 0;
if(!isset($attr['HEIGHT']))
$attr['HEIGHT'] = 0;
$this->Image($attr['SRC'], $this->GetX(), $this->GetY(), px2mm($attr['WIDTH']), px2mm($attr['HEIGHT']));
}
break;
case 'BLOCKQUOTE':
case 'BR':
$this->Ln(5);
break;
case 'P':
$this->Ln(10);
break;
case 'FONT':
if (isset($attr['COLOR']) && $attr['COLOR']!='') {
$coul=hex2dec($attr['COLOR']);
$this->SetTextColor($coul['R'],$coul['G'],$coul['B']);
$this->issetcolor=true;
}
if (isset($attr['FACE']) && in_array(strtolower($attr['FACE']), $this->fontlist)) {
$this->SetFont(strtolower($attr['FACE']));
$this->issetfont=true;
}
if (isset($attr['FACE']) && in_array(strtolower($attr['FACE']), $this->fontlist) && isset($attr['SIZE']) && $attr['SIZE']!='') {
$this->SetFont(strtolower($attr['FACE']),'',$attr['SIZE']);
$this->issetfont=true;
}
break;
}
}
function CloseTag($tag)
{
//Closing tag
if($tag=='SUP') {
}
if($tag=='TD') { // TD-END
$this->tdbegin=false;
$this->tdwidth=0;
$this->tdheight=0;
$this->tdalign="C";
$this->tdbgcolor=false;
}
if($tag=='TR') { // TR-END
$this->Ln();
}
if($tag=='TABLE') { // TABLE-END
//$this->Ln();
$this->tableborder=0;
}
if($tag=='STRONG')
$tag='B';
if($tag=='EM')
$tag='I';
if($tag=='B' || $tag=='I' || $tag=='U')
$this->SetStyle($tag,false);
if($tag=='A')
$this->HREF='';
if($tag=='FONT'){
if ($this->issetcolor==true) {
$this->SetTextColor(0);
}
if ($this->issetfont) {
$this->SetFont('arial');
$this->issetfont=false;
}
}
}
function SetStyle($tag, $enable)
{
//Modify style and select corresponding font
$this->$tag+=($enable ? 1 : -1);
$style='';
foreach(array('B','I','U') as $s) {
if($this->$s>0)
$style.=$s;
}
$this->SetFont('',$style);
}
function PutLink($URL, $txt)
{
//Put a hyperlink
$this->SetTextColor(0,0,255);
$this->SetStyle('U',true);
$this->Write(5,$txt,$URL);
$this->SetStyle('U',false);
$this->SetTextColor(0);
}
}//end of class
?>
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