westdc-zf1/include/fpdf/tutorial/tuto6.php

123 lines
2.5 KiB
PHP

<?php
require('../fpdf.php');
class PDF extends FPDF
{
var $B;
var $I;
var $U;
var $HREF;
function PDF($orientation='P',$unit='mm',$format='A4')
{
//Call parent constructor
$this->FPDF($orientation,$unit,$format);
//Initialization
$this->B=0;
$this->I=0;
$this->U=0;
$this->HREF='';
}
function WriteHTML($html)
{
//HTML parser
$html=str_replace("\n",' ',$html);
$a=preg_split('/<(.*)>/U',$html,-1,PREG_SPLIT_DELIM_CAPTURE);
foreach($a as $i=>$e)
{
if($i%2==0)
{
//Text
if($this->HREF)
$this->PutLink($this->HREF,$e);
else
$this->Write(5,$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,$attr)
{
//Opening tag
if($tag=='B' or $tag=='I' or $tag=='U')
$this->SetStyle($tag,true);
if($tag=='A')
$this->HREF=$attr['HREF'];
if($tag=='BR')
$this->Ln(5);
}
function CloseTag($tag)
{
//Closing tag
if($tag=='B' or $tag=='I' or $tag=='U')
$this->SetStyle($tag,false);
if($tag=='A')
$this->HREF='';
}
function SetStyle($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);
}
}
$html='You can now easily print text mixing different styles: <b>bold</b>, <i>italic</i>,
<u>underlined</u>, or <b><i><u>all at once</u></i></b>!<br><br>You can also insert links on
text, such as <a href="http://www.fpdf.org">www.fpdf.org</a>, or on an image: click on the logo.';
$pdf=new PDF();
//First page
$pdf->AddPage();
$pdf->SetFont('Arial','',20);
$pdf->Write(5,'To find out what\'s new in this tutorial, click ');
$pdf->SetFont('','U');
$link=$pdf->AddLink();
$pdf->Write(5,'here',$link);
$pdf->SetFont('');
//Second page
$pdf->AddPage();
$pdf->SetLink($link);
$pdf->Image('logo.png',10,12,30,0,'','http://www.fpdf.org');
$pdf->SetLeftMargin(45);
$pdf->SetFontSize(14);
$pdf->WriteHTML($html);
$pdf->Output();
?>