pdf_opt.php

来自「asterisk用 的voip记费软件」· PHP 代码 · 共 87 行

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

class PDF_Opt extends FPDF
{

function _putpages()
{
    $nb=$this->page;
    if(!empty($this->AliasNbPages))
    {
        //Replace number of pages
        for($n=1;$n<=$nb;$n++)
            $this->pages[$n]=($this->compress) ? gzcompress(str_replace($this->AliasNbPages,$nb,gzuncompress($this->pages[$n]))) : str_replace($this->AliasNbPages,$nb,$this->pages[$n]) ;
    }
    if($this->DefOrientation=='P')
    {
        $wPt=$this->fwPt;
        $hPt=$this->fhPt;
    }
    else
    {
        $wPt=$this->fhPt;
        $hPt=$this->fwPt;
    }
    $filter=($this->compress) ? '/Filter /FlateDecode ' : '';
    for($n=1;$n<=$nb;$n++)
    {
        //Page
        $this->_newobj();
        $this->_out('<</Type /Page');
        $this->_out('/Parent 1 0 R');
        if(isset($this->OrientationChanges[$n]))
            $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$hPt,$wPt));
        $this->_out('/Resources 2 0 R');
        if(isset($this->PageLinks[$n]))
        {
            //Links
            $annots='/Annots [';
            foreach($this->PageLinks[$n] as $pl)
            {
                $rect=sprintf('%.2f %.2f %.2f %.2f',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);
                $annots.='<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
                if(is_string($pl[4]))
                    $annots.='/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
                else
                {
                    $l=$this->links[$pl[4]];
                    $h=isset($this->OrientationChanges[$l[0]]) ? $wPt : $hPt;
                    $annots.=sprintf('/Dest [%d 0 R /XYZ 0 %.2f null]>>',1+2*$l[0],$h-$l[1]*$this->k);
                }
            }
            $this->_out($annots.']');
        }
        $this->_out('/Contents '.($this->n+1).' 0 R>>');
        $this->_out('endobj');
        //Page content
        $this->_newobj();
        $this->_out('<<'.$filter.'/Length '.strlen($this->pages[$n]).'>>');
        $this->_putstream($this->pages[$n]);
        $this->_out('endobj');
    }
    //Pages root
    $this->offsets[1]=strlen($this->buffer);
    $this->_out('1 0 obj');
    $this->_out('<</Type /Pages');
    $kids='/Kids [';
    for($i=0;$i<$nb;$i++)
        $kids.=(3+2*$i).' 0 R ';
    $this->_out($kids.']');
    $this->_out('/Count '.$nb);
    $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$wPt,$hPt));
    $this->_out('>>');
    $this->_out('endobj');
}

function _endpage()
{
    //End of page contents
    $this->pages[$this->page] = ($this->compress) ? gzcompress($this->pages[$this->page]) : $this->pages[$this->page];
    $this->state=1;
}

}

?>