
02/12/2004, 12:20
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 | | | Fecha de Ingreso: marzo-2004
Mensajes: 271
Antigüedad: 21 años Puntos: 0 | |
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 |