generar pdf

[The_omars]

Código PHP:

   
function _putinfo()
{
    $this->_out('/Producer '.$this->_textstring('FPDF '.FPDF_VERSION));
    if(!empty($this->title))
        $this->_out('/Title '.$this->_textstring($this->title));
    if(!empty($this->subject))
        $this->_out('/Subject '.$this->_textstring($this->subject));
    if(!empty($this->author))
        $this->_out('/Author '.$this->_textstring($this->author));
    if(!empty($this->keywords))
        $this->_out('/Keywords '.$this->_textstring($this->keywords));
    if(!empty($this->creator))
        $this->_out('/Creator '.$this->_textstring($this->creator));
    $this->_out('/CreationDate '.$this->_textstring('D:'.date('YmdHis')));
}
 
function _putcatalog()
{
    $this->_out('/Type /Catalog');
    $this->_out('/Pages 1 0 R');
    if($this->ZoomMode=='fullpage')
        $this->_out('/OpenAction [3 0 R /Fit]');
    elseif($this->ZoomMode=='fullwidth')
        $this->_out('/OpenAction [3 0 R /FitH null]');
    elseif($this->ZoomMode=='real')
        $this->_out('/OpenAction [3 0 R /XYZ null null 1]');
    elseif(!is_string($this->ZoomMode))
        $this->_out('/OpenAction [3 0 R /XYZ null null '.($this->ZoomMode/100).']');
    if($this->LayoutMode=='single')
        $this->_out('/PageLayout /SinglePage');
    elseif($this->LayoutMode=='continuous')
        $this->_out('/PageLayout /OneColumn');
    elseif($this->LayoutMode=='two')
        $this->_out('/PageLayout /TwoColumnLeft');
}
 
function _puttrailer()
{
    $this->_out('/Size '.($this->n+1));
    $this->_out('/Root '.$this->n.' 0 R');
    $this->_out('/Info '.($this->n-1).' 0 R');
}
 
function _enddoc()
{
    $this->_putpages();
    $this->_putresources();
    //Info
    $this->_newobj();
    $this->_out('<<');
    $this->_putinfo();
    $this->_out('>>');
    $this->_out('endobj');
    //Catalog
    $this->_newobj();
    $this->_out('<<');
    $this->_putcatalog();
    $this->_out('>>');
    $this->_out('endobj');
    //Cross-ref
    $o=strlen($this->buffer);
    $this->_out('xref');
    $this->_out('0 '.($this->n+1));
    $this->_out('0000000000 65535 f ');
    for($i=1;$i<=$this->n;$i++)
        $this->_out(sprintf('%010d 00000 n ',$this->offsets[$i]));
    //Trailer
    $this->_out('trailer');
    $this->_out('<<');
    $this->_puttrailer();
    $this->_out('>>');
    $this->_out('startxref');
    $this->_out($o);
    $this->_out('%%EOF');
    $this->state=3;
}
 
function _beginpage($orientation)
{
    $this->page++;
    $this->pages[$this->page]='';
    $this->state=2;
    $this->x=$this->lMargin;
    $this->y=$this->tMargin;
    $this->FontFamily='';
    //Page orientation
    if(!$orientation)
        $orientation=$this->DefOrientation;
    else
    {
        $orientation=strtoupper($orientation{0});
        if($orientation!=$this->DefOrientation)
            $this->OrientationChanges[$this->page]=true;
    }
    if($orientation!=$this->CurOrientation)
    {
        //Change orientation
        if($orientation=='P')
        {
            $this->wPt=$this->fwPt;
            $this->hPt=$this->fhPt;
            $this->w=$this->fw;
            $this->h=$this->fh;
        }
        else
        {
            $this->wPt=$this->fhPt;
            $this->hPt=$this->fwPt;
            $this->w=$this->fh;
            $this->h=$this->fw;
        }
        $this->PageBreakTrigger=$this->h-$this->bMargin;
        $this->CurOrientation=$orientation;
    }
}
 
function _endpage()
{
    //End of page contents
    $this->state=1;
}
 
function _newobj()
{
    //Begin a new object
    $this->n++;
    $this->offsets[$this->n]=strlen($this->buffer);
    $this->_out($this->n.' 0 obj');
}
 
function _dounderline($x,$y,$txt)
{
    //Underline text
    $up=$this->CurrentFont['up'];
    $ut=$this->CurrentFont['ut'];
    $w=$this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');
    return sprintf('%.2f %.2f %.2f %.2f re f',$x*$this->k,($this->h-($y-$up/1000*$this->FontSize))*$this->k,$w*$this->k,-$ut/1000*$this->FontSizePt);
}
 
function _parsejpg($file)
{
    //Extract info from a JPEG file
    $a=GetImageSize($file);
    if(!$a)
        
        print('Missing or incorrect image file: '.$file);
        $file=DIR_S_CATALOG.DIR_WS_IMAGES.DEFAULT_IMAGE;
        //$this->Error('Missing or incorrect image file: '.$file);
        
    if($a[2]!=2)
        $this->Error('Not a JPEG file: '.$file);
    if(!isset($a['channels']) or $a['channels']==3)
        $colspace='DeviceRGB';
    elseif($a['channels']==4)
        $colspace='DeviceCMYK';
    else
        $colspace='DeviceGray';
 
    $bpc=isset($a['bits']) ? $a['bits'] : 8;
    //Read whole file
    $f=fopen($file,'rb');
    $data='';
    while(!feof($f))
        $data.=fread($f,4096);
    fclose($f);
    return array('w'=>$a[0],'h'=>$a[1],'cs'=>$colspace,'bpc'=>$bpc,'f'=>'DCTDecode','data'=>$data);
}
 
function _parsepng($file)
{
    //Extract info from a PNG file
    $f=fopen($file,'rb');
    if(!$f)
        $this->Error('Can\'t open image file: '.$file);
    //Check signature
    if(fread($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
        $this->Error('Not a PNG file: '.$file);
    //Read header chunk
    fread($f,4);
    if(fread($f,4)!='IHDR')
        $this->Error('Incorrect PNG file: '.$file);
    $w=$this->_freadint($f);
    $h=$this->_freadint($f);
    $bpc=ord(fread($f,1));
    if($bpc>8)
        $this->Error('16-bit depth not supported: '.$file);
    $ct=ord(fread($f,1));
    if($ct==0)
        $colspace='DeviceGray';
    elseif($ct==2)
        $colspace='DeviceRGB';
    elseif($ct==3)
        $colspace='Indexed';
    else
        $this->Error('Alpha channel not supported: '.$file);
    if(ord(fread($f,1))!=0)
        $this->Error('Unknown compression method: '.$file);
    if(ord(fread($f,1))!=0)
        $this->Error('Unknown filter method: '.$file);
    if(ord(fread($f,1))!=0)
        $this->Error('Interlacing not supported: '.$file);
    fread($f,4);
    $parms='/DecodeParms <</Predictor 15 /Colors '.($ct==2 ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w.'>>';
    //Scan chunks looking for palette, transparency and image data
    $pal='';
    $trns='';
    $data='';
    do
    {
        $n=$this->_freadint($f);
        $type=fread($f,4);
        if($type=='PLTE')
        {
            //Read palette
            $pal=fread($f,$n);
            fread($f,4);
        }
        elseif($type=='tRNS')
        {
            //Read transparency info
            $t=fread($f,$n);
            if($ct==0)
                $trns=array(ord(substr($t,1,1)));
            elseif($ct==2)
                $trns=array(ord(substr($t,1,1)),ord(substr($t,3,1)),ord(substr($t,5,1)));
            else
            {
                $pos=strpos($t,chr(0));
                if(is_int($pos))
                    $trns=array($pos);
            }
            fread($f,4);
        }
        elseif($type=='IDAT')
        {
            //Read image data block
            $data.=fread($f,$n);
            fread($f,4);
        }
        elseif($type=='IEND')
            break;
        else
            fread($f,$n+4);
    }
    while($n);
    if($colspace=='Indexed' and empty($pal))
        $this->Error('Missing palette in '.$file);
    fclose($f);
    return array('w'=>$w,'h'=>$h,'cs'=>$colspace,'bpc'=>$bpc,'f'=>'FlateDecode','parms'=>$parms,'pal'=>$pal,'trns'=>$trns,'data'=>$data);
}
 
// Added for GIF Support
function _parsegif($file) 
{ 
    //Function by Jerome Fenal ([email protected])
    require_once 'pdf_gif.php'; //GIF class in pure PHP from Yamasoft ([url]http://www.yamasoft.com/php-gif.zip[/url])
 
    $h=0;
    $w=0;
    $gif=new CGIF();
 
    if (!$gif->loadFile($file, 0))
        $this->Error("GIF parser: unable to open file $file");
 
    if($gif->m_img->m_gih->m_bLocalClr) {
        $nColors = $gif->m_img->m_gih->m_nTableSize;
        $pal = $gif->m_img->m_gih->m_colorTable->toString();
        if($bgColor != -1) {
            $bgColor = $this->m_img->m_gih->m_colorTable->colorIndex($bgColor);
        }
        $colspace='Indexed';
    } elseif($gif->m_gfh->m_bGlobalClr) {
        $nColors = $gif->m_gfh->m_nTableSize;
        $pal = $gif->m_gfh->m_colorTable->toString();
        if($bgColor != -1) {
            $bgColor = $gif->m_gfh->m_colorTable->colorIndex($bgColor);
        }
        $colspace='Indexed';
    } else {
        $nColors = 0;
        $bgColor = -1;
        $colspace='DeviceGray';
        $pal='';
    }
 
    $trns='';
    if($gif->m_img->m_bTrans && ($nColors > 0)) {
        $trns=array($gif->m_img->m_nTrans);
    }
 
    $data=$gif->m_img->m_data;
    $w=$gif->m_gfh->m_nWidth;
    $h=$gif->m_gfh->m_nHeight;
 
    if($colspace=='Indexed' and empty($pal))
        $this->Error('Missing palette in '.$file);
 
    if ($this->compress) {
        $data=gzcompress($data);
        return array( 'w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>8, 'f'=>'FlateDecode', 'pal'=>$pal, 'trns'=>$trns, 'data'=>$data);
    } else {
        return array( 'w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>8, 'pal'=>$pal, 'trns'=>$trns, 'data'=>$data);
    } 
}
// EOA
 
function _freadint($f)
{
    //Read a 4-byte integer from file
    $i=ord(fread($f,1))<<24;
    $i+=ord(fread($f,1))<<16;
    $i+=ord(fread($f,1))<<8;
    $i+=ord(fread($f,1));
    return $i;
}
 
function _textstring($s)
{
    //Format a text string
    return '('.$this->_escape($s).')';
}
 
function _escape($s)
{
    //Add \ before \, ( and )
    return str_replace(')','\\)',str_replace('(','\\(',str_replace('\\','\\\\',$s)));
}
 
function _putstream($s)
{
    $this->_out('stream');
    $this->_out($s);
    $this->_out('endstream');
}
 
function _out($s)
{
    //Add a line to the document
    if($this->state==2)
        $this->pages[$this->page].=$s."\n";
    else
        $this->buffer.=$s."\n";
}
//End of class
}
 
//Handle special IE contype request
if(isset($HTTP_SERVER_VARS['HTTP_USER_AGENT']) and $HTTP_SERVER_VARS['HTTP_USER_AGENT']=='contype')
{
    Header('Content-Type: application/pdf');
    exit;
}
}
?> 
  

ojala y me puedan ayudar