?? fpdf.php
字號:
}
$filter=($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
$p=($this->compress) ? gzcompress($this->pages[$n]) : $this->pages[$n];
$this->_newobj();
$this->_out('<<'.$filter.'/Length '.strlen($p).'>>');
$this->_putstream($p);
$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 _putfonts()
{
$nf=$this->n;
foreach($this->diffs as $diff)
{
//Encodings
$this->_newobj();
$this->_out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$diff.']>>');
$this->_out('endobj');
}
$mqr=get_magic_quotes_runtime();
set_magic_quotes_runtime(0);
foreach($this->FontFiles as $file=>$info)
{
//Font file embedding
$this->_newobj();
$this->FontFiles[$file]['n']=$this->n;
$font='';
$f=fopen($this->_getfontpath().$file,'rb',1);
if(!$f)
$this->Error('Font file not found');
while(!feof($f))
$font.=fread($f,8192);
fclose($f);
$compressed=(substr($file,-2)=='.z');
if(!$compressed && isset($info['length2']))
{
$header=(ord($font{0})==128);
if($header)
{
//Strip first binary header
$font=substr($font,6);
}
if($header && ord($font{$info['length1']})==128)
{
//Strip second binary header
$font=substr($font,0,$info['length1']).substr($font,$info['length1']+6);
}
}
$this->_out('<</Length '.strlen($font));
if($compressed)
$this->_out('/Filter /FlateDecode');
$this->_out('/Length1 '.$info['length1']);
if(isset($info['length2']))
$this->_out('/Length2 '.$info['length2'].' /Length3 0');
$this->_out('>>');
$this->_putstream($font);
$this->_out('endobj');
}
set_magic_quotes_runtime($mqr);
foreach($this->fonts as $k=>$font)
{
//Font objects
$this->fonts[$k]['n']=$this->n+1;
$type=$font['type'];
$name=$font['name'];
if($type=='core')
{
//Standard font
$this->_newobj();
$this->_out('<</Type /Font');
$this->_out('/BaseFont /'.$name);
$this->_out('/Subtype /Type1');
if($name!='Symbol' && $name!='ZapfDingbats')
$this->_out('/Encoding /WinAnsiEncoding');
$this->_out('>>');
$this->_out('endobj');
}
elseif($type=='Type1' || $type=='TrueType')
{
//Additional Type1 or TrueType font
$this->_newobj();
$this->_out('<</Type /Font');
$this->_out('/BaseFont /'.$name);
$this->_out('/Subtype /'.$type);
$this->_out('/FirstChar 32 /LastChar 255');
$this->_out('/Widths '.($this->n+1).' 0 R');
$this->_out('/FontDescriptor '.($this->n+2).' 0 R');
if($font['enc'])
{
if(isset($font['diff']))
$this->_out('/Encoding '.($nf+$font['diff']).' 0 R');
else
$this->_out('/Encoding /WinAnsiEncoding');
}
$this->_out('>>');
$this->_out('endobj');
//Widths
$this->_newobj();
$cw=&$font['cw'];
$s='[';
for($i=32;$i<=255;$i++)
$s.=$cw[chr($i)].' ';
$this->_out($s.']');
$this->_out('endobj');
//Descriptor
$this->_newobj();
$s='<</Type /FontDescriptor /FontName /'.$name;
foreach($font['desc'] as $k=>$v)
$s.=' /'.$k.' '.$v;
$file=$font['file'];
if($file)
$s.=' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$file]['n'].' 0 R';
$this->_out($s.'>>');
$this->_out('endobj');
}
else
{
//Allow for additional types
$mtd='_put'.strtolower($type);
if(!method_exists($this,$mtd))
$this->Error('Unsupported font type: '.$type);
$this->$mtd($font);
}
}
}
function _putimages()
{
$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
reset($this->images);
while(list($file,$info)=each($this->images))
{
$this->_newobj();
$this->images[$file]['n']=$this->n;
$this->_out('<</Type /XObject');
$this->_out('/Subtype /Image');
$this->_out('/Width '.$info['w']);
$this->_out('/Height '.$info['h']);
if($info['cs']=='Indexed')
$this->_out('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
else
{
$this->_out('/ColorSpace /'.$info['cs']);
if($info['cs']=='DeviceCMYK')
$this->_out('/Decode [1 0 1 0 1 0 1 0]');
}
$this->_out('/BitsPerComponent '.$info['bpc']);
if(isset($info['f']))
$this->_out('/Filter /'.$info['f']);
if(isset($info['parms']))
$this->_out($info['parms']);
if(isset($info['trns']) && is_array($info['trns']))
{
$trns='';
for($i=0;$i<count($info['trns']);$i++)
$trns.=$info['trns'][$i].' '.$info['trns'][$i].' ';
$this->_out('/Mask ['.$trns.']');
}
$this->_out('/Length '.strlen($info['data']).'>>');
$this->_putstream($info['data']);
unset($this->images[$file]['data']);
$this->_out('endobj');
//Palette
if($info['cs']=='Indexed')
{
$this->_newobj();
$pal=($this->compress) ? gzcompress($info['pal']) : $info['pal'];
$this->_out('<<'.$filter.'/Length '.strlen($pal).'>>');
$this->_putstream($pal);
$this->_out('endobj');
}
}
}
function _putxobjectdict()
{
foreach($this->images as $image)
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
}
function _putresourcedict()
{
$this->_out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
$this->_out('/Font <<');
foreach($this->fonts as $font)
$this->_out('/F'.$font['i'].' '.$font['n'].' 0 R');
$this->_out('>>');
$this->_out('/XObject <<');
$this->_putxobjectdict();
$this->_out('>>');
}
function _putresources()
{
$this->_putfonts();
$this->_putimages();
//Resource dictionary
$this->offsets[2]=strlen($this->buffer);
$this->_out('2 0 obj');
$this->_out('<<');
$this->_putresourcedict();
$this->_out('>>');
$this->_out('endobj');
}
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 _putheader()
{
$this->_out('%PDF-'.$this->PDFVersion);
}
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->_putheader();
$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)
$this->Error('Missing or incorrect image file: '.$file);
if($a[2]!=2)
$this->Error('Not a JPEG file: '.$file);
if(!isset($a['channels']) || $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($pos!==false)
$trns=array($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($colspace=='Indexed' && empty($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'=>$data);
}
function _freadint($f)
{
//Read a 4-byte integer from file
$a=unpack('Ni',fread($f,4));
return $a['i'];
}
function _textstring($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($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT']=='contype')
{
header('Content-Type: application/pdf');
exit;
}
}
?>
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