_dochecks(); //Initialization of properties $this->page=0; $this->n=2; $this->buffer=''; $this->pages=array(); $this->PageSizes=array(); $this->state=0; $this->fonts=array(); $this->FontFiles=array(); $this->diffs=array(); $this->images=array(); $this->links=array(); $this->InHeader=false; $this->InFooter=false; $this->lasth=0; $this->FontFamily=''; $this->FontStyle=''; $this->FontSizePt=12; $this->underline=false; $this->DrawColor='0 G'; $this->FillColor='0 g'; $this->TextColor='0 g'; $this->ColorFlag=false; $this->ws=0; //Standard fonts $this->CoreFonts=array('courier'=>'Courier', 'courierB'=>'Courier-Bold', 'courierI'=>'Courier-Oblique', 'courierBI'=>'Courier-BoldOblique', 'helvetica'=>'Helvetica', 'helveticaB'=>'Helvetica-Bold', 'helveticaI'=>'Helvetica-Oblique', 'helveticaBI'=>'Helvetica-BoldOblique', 'times'=>'Times-Roman', 'timesB'=>'Times-Bold', 'timesI'=>'Times-Italic', 'timesBI'=>'Times-BoldItalic', 'symbol'=>'Symbol', 'zapfdingbats'=>'ZapfDingbats'); //Scale factor if($unit=='pt') $this->k=1; elseif($unit=='mm') $this->k=72/25.4; elseif($unit=='cm') $this->k=72/2.54; elseif($unit=='in') $this->k=72; else $this->Error('Incorrect unit: '.$unit); //Page format $this->PageFormats=array('a3'=>array(841.89,1190.55), 'a4'=>array(595.28,841.89), 'a5'=>array(420.94,595.28), 'letter'=>array(612,792), 'legal'=>array(612,1008)); if(is_string($format)) $format=$this->_getpageformat($format); $this->DefPageFormat=$format; $this->CurPageFormat=$format; //Page orientation $orientation=strtolower($orientation); if($orientation=='p' || $orientation=='portrait') { $this->DefOrientation='P'; $this->w=$this->DefPageFormat[0]; $this->h=$this->DefPageFormat[1]; } elseif($orientation=='l' || $orientation=='landscape') { $this->DefOrientation='L'; $this->w=$this->DefPageFormat[1]; $this->h=$this->DefPageFormat[0]; } else $this->Error('Incorrect orientation: '.$orientation); $this->CurOrientation=$this->DefOrientation; $this->wPt=$this->w*$this->k; $this->hPt=$this->h*$this->k; //Page margins (1 cm) $margin=28.35/$this->k; $this->SetMargins($margin,$margin); //Interior cell margin (1 mm) $this->cMargin=$margin/10; //Line width (0.2 mm) $this->LineWidth=.567/$this->k; //Automatic page break $this->SetAutoPageBreak(true,2*$margin); //Full width display mode $this->SetDisplayMode('fullwidth'); //Enable compression $this->SetCompression(true); //Set default PDF version number $this->PDFVersion='1.3'; } public function SetMargins($left, $top, $right=null) { //Set left, top and right margins $this->lMargin=$left; $this->tMargin=$top; if($right===null) $right=$left; $this->rMargin=$right; } public function SetLeftMargin($margin) { //Set left margin $this->lMargin=$margin; if($this->page>0 && $this->x<$margin) $this->x=$margin; } public function SetTopMargin($margin) { //Set top margin $this->tMargin=$margin; } public function SetRightMargin($margin) { //Set right margin $this->rMargin=$margin; } public function SetAutoPageBreak($auto, $margin=0) { //Set auto page break mode and triggering margin $this->AutoPageBreak=$auto; $this->bMargin=$margin; $this->PageBreakTrigger=$this->h-$margin; } public function SetDisplayMode($zoom, $layout='continuous') { //Set display mode in viewer if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom)) $this->ZoomMode=$zoom; else $this->Error('Incorrect zoom display mode: '.$zoom); if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default') $this->LayoutMode=$layout; else $this->Error('Incorrect layout display mode: '.$layout); } public function SetCompression($compress) { //Set page compression if(function_exists('gzcompress')) $this->compress=$compress; else $this->compress=false; } public function SetTitle($title, $isUTF8=false) { //Title of document if($isUTF8) $title=$this->_UTF8toUTF16($title); $this->title=$title; } public function SetSubject($subject, $isUTF8=false) { //Subject of document if($isUTF8) $subject=$this->_UTF8toUTF16($subject); $this->subject=$subject; } public function SetAuthor($author, $isUTF8=false) { //Author of document if($isUTF8) $author=$this->_UTF8toUTF16($author); $this->author=$author; } public function SetKeywords($keywords, $isUTF8=false) { //Keywords of document if($isUTF8) $keywords=$this->_UTF8toUTF16($keywords); $this->keywords=$keywords; } public function SetCreator($creator, $isUTF8=false) { //Creator of document if($isUTF8) $creator=$this->_UTF8toUTF16($creator); $this->creator=$creator; } public function AliasNbPages($alias='{nb}') { //Define an alias for total number of pages $this->AliasNbPages=$alias; } public function Error($msg) { //Fatal error die('FPDF error: '.$msg); } public function Open() { //Begin document $this->state=1; } public function Close() { //Terminate document if($this->state==3) return; if($this->page==0) $this->AddPage(); //Page footer $this->InFooter=true; $this->Footer(); $this->InFooter=false; //Close page $this->_endpage(); //Close document $this->_enddoc(); } public function AddPage($orientation='', $format='') { //Start a new page if($this->state==0) $this->Open(); $family=$this->FontFamily; $style=$this->FontStyle.($this->underline ? 'U' : ''); $size=$this->FontSizePt; $lw=$this->LineWidth; $dc=$this->DrawColor; $fc=$this->FillColor; $tc=$this->TextColor; $cf=$this->ColorFlag; if($this->page>0) { //Page footer $this->InFooter=true; $this->Footer(); $this->InFooter=false; //Close page $this->_endpage(); } //Start new page $this->_beginpage($orientation,$format); //Set line cap style to square $this->_out('2 J'); //Set line width $this->LineWidth=$lw; $this->_out(sprintf('%.2F w',$lw*$this->k)); //Set font if($family) $this->SetFont($family,$style,$size); //Set colors $this->DrawColor=$dc; if($dc!='0 G') $this->_out($dc); $this->FillColor=$fc; if($fc!='0 g') $this->_out($fc); $this->TextColor=$tc; $this->ColorFlag=$cf; //Page header $this->InHeader=true; $this->Header(); $this->InHeader=false; //Restore line width if($this->LineWidth!=$lw) { $this->LineWidth=$lw; $this->_out(sprintf('%.2F w',$lw*$this->k)); } //Restore font if($family) $this->SetFont($family,$style,$size); //Restore colors if($this->DrawColor!=$dc) { $this->DrawColor=$dc; $this->_out($dc); } if($this->FillColor!=$fc) { $this->FillColor=$fc; $this->_out($fc); } $this->TextColor=$tc; $this->ColorFlag=$cf; } public function Header() { //To be implemented in your own inherited class } public function Footer() { //To be implemented in your own inherited class } public function PageNo() { //Get current page number return $this->page; } public function SetDrawColor($r, $g=null, $b=null) { //Set color for all stroking operations if(($r==0 && $g==0 && $b==0) || $g===null) $this->DrawColor=sprintf('%.3F G',$r/255); else $this->DrawColor=sprintf('%.3F %.3F %.3F RG',$r/255,$g/255,$b/255); if($this->page>0) $this->_out($this->DrawColor); } public function SetFillColor($r, $g=null, $b=null) { //Set color for all filling operations if(($r==0 && $g==0 && $b==0) || $g===null) $this->FillColor=sprintf('%.3F g',$r/255); else $this->FillColor=sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255); $this->ColorFlag=($this->FillColor!=$this->TextColor); if($this->page>0) $this->_out($this->FillColor); } public function SetTextColor($r, $g=null, $b=null) { //Set color for text if(($r==0 && $g==0 && $b==0) || $g===null) $this->TextColor=sprintf('%.3F g',$r/255); else $this->TextColor=sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255); $this->ColorFlag=($this->FillColor!=$this->TextColor); } public function GetStringWidth($s) { //Get width of a string in the current font $s=(string)$s; $cw=&$this->CurrentFont['cw']; $w=0; $l=strlen($s); for($i=0;$i<$l;$i++) $w+=$cw[$s[$i]]; return $w*$this->FontSize/1000; } public function SetLineWidth($width) { //Set line width $this->LineWidth=$width; if($this->page>0) $this->_out(sprintf('%.2F w',$width*$this->k)); } public function Line($x1, $y1, $x2, $y2) { //Draw a line $this->_out(sprintf('%.2F %.2F m %.2F %.2F l S',$x1*$this->k,($this->h-$y1)*$this->k,$x2*$this->k,($this->h-$y2)*$this->k)); } public function Rect($x, $y, $w, $h, $style='') { //Draw a rectangle if($style=='F') $op='f'; elseif($style=='FD' || $style=='DF') $op='B'; else $op='S'; $this->_out(sprintf('%.2F %.2F %.2F %.2F re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op)); } public function AddFont($family, $style='', $file='') { //Add a TrueType or Type1 font $family=strtolower($family); if($file=='') $file=str_replace(' ','',$family).strtolower($style).'.php'; if($family=='arial') $family='helvetica'; $style=strtoupper($style); if($style=='IB') $style='BI'; $fontkey=$family.$style; if(isset($this->fonts[$fontkey])) return; include($this->_getfontpath().$file); if(!isset($name)) $this->Error('Could not include font definition file'); $i=count($this->fonts)+1; $this->fonts[$fontkey]=array('i'=>$i, 'type'=>$type, 'name'=>$name, 'desc'=>$desc, 'up'=>$up, 'ut'=>$ut, 'cw'=>$cw, 'enc'=>$enc, 'file'=>$file); if($diff) { //Search existing encodings $d=0; $nb=count($this->diffs); for($i=1;$i<=$nb;$i++) { if($this->diffs[$i]==$diff) { $d=$i; break; } } if($d==0) { $d=$nb+1; $this->diffs[$d]=$diff; } $this->fonts[$fontkey]['diff']=$d; } if($file) { if($type=='TrueType') $this->FontFiles[$file]=array('length1'=>$originalsize); else $this->FontFiles[$file]=array('length1'=>$size1, 'length2'=>$size2); } } public function SetFont($family, $style='', $size=0) { //Select a font; size given in points global $fpdf_charwidths; $family=strtolower($family); if($family=='') $family=$this->FontFamily; if($family=='arial') $family='helvetica'; elseif($family=='symbol' || $family=='zapfdingbats') $style=''; $style=strtoupper($style); if(strpos($style,'U')!==false) { $this->underline=true; $style=str_replace('U','',$style); } else $this->underline=false; if($style=='IB') $style='BI'; if($size==0) $size=$this->FontSizePt; //Test if font is already selected if($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size) return; //Test if used for the first time $fontkey=$family.$style; if(!isset($this->fonts[$fontkey])) { //Check if one of the standard fonts if(isset($this->CoreFonts[$fontkey])) { if(!isset($fpdf_charwidths[$fontkey])) { //Load metric file $file=$family; if($family=='times' || $family=='helvetica') $file.=strtolower($style); include($this->_getfontpath().$file.'.php'); if(!isset($fpdf_charwidths[$fontkey])) $this->Error('Could not include font metric file'); } $i=count($this->fonts)+1; $name=$this->CoreFonts[$fontkey]; $cw=$fpdf_charwidths[$fontkey]; $this->fonts[$fontkey]=array('i'=>$i, 'type'=>'core', 'name'=>$name, 'up'=>-100, 'ut'=>50, 'cw'=>$cw); } else $this->Error('Undefined font: '.$family.' '.$style); } //Select it $this->FontFamily=$family; $this->FontStyle=$style; $this->FontSizePt=$size; $this->FontSize=$size/$this->k; $this->CurrentFont=&$this->fonts[$fontkey]; if($this->page>0) $this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt)); } public function SetFontSize($size) { //Set font size in points if($this->FontSizePt==$size) return; $this->FontSizePt=$size; $this->FontSize=$size/$this->k; if($this->page>0) $this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt)); } public function AddLink() { //Create a new internal link $n=count($this->links)+1; $this->links[$n]=array(0, 0); return $n; } public function SetLink($link, $y=0, $page=-1) { //Set destination of internal link if($y==-1) $y=$this->y; if($page==-1) $page=$this->page; $this->links[$link]=array($page, $y); } public function Link($x, $y, $w, $h, $link) { //Put a link on the page $this->PageLinks[$this->page][]=array($x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link); } public function Text($x, $y, $txt) { //Output a string $s=sprintf('BT %.2F %.2F Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt)); if($this->underline && $txt!='') $s.=' '.$this->_dounderline($x,$y,$txt); if($this->ColorFlag) $s='q '.$this->TextColor.' '.$s.' Q'; $this->_out($s); } public function AcceptPageBreak() { //Accept automatic page break or not return $this->AutoPageBreak; } public function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='') { //Output a cell $k=$this->k; if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak()) { //Automatic page break $x=$this->x; $ws=$this->ws; if($ws>0) { $this->ws=0; $this->_out('0 Tw'); } $this->AddPage($this->CurOrientation,$this->CurPageFormat); $this->x=$x; if($ws>0) { $this->ws=$ws; $this->_out(sprintf('%.3F Tw',$ws*$k)); } } if($w==0) $w=$this->w-$this->rMargin-$this->x; $s=''; if($fill || $border==1) { if($fill) $op=($border==1) ? 'B' : 'f'; else $op='S'; $s=sprintf('%.2F %.2F %.2F %.2F re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op); } if(is_string($border)) { $x=$this->x; $y=$this->y; if(strpos($border,'L')!==false) $s.=sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k); if(strpos($border,'T')!==false) $s.=sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k); if(strpos($border,'R')!==false) $s.=sprintf('%.2F %.2F m %.2F %.2F l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k); if(strpos($border,'B')!==false) $s.=sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k); } if($txt!=='') { if($align=='R') $dx=$w-$this->cMargin-$this->GetStringWidth($txt); elseif($align=='C') $dx=($w-$this->GetStringWidth($txt))/2; else $dx=$this->cMargin; if($this->ColorFlag) $s.='q '.$this->TextColor.' '; $txt2=str_replace(')','\\)',str_replace('(','\\(',str_replace('\\','\\\\',$txt))); $s.=sprintf('BT %.2F %.2F Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$txt2); if($this->underline) $s.=' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt); if($this->ColorFlag) $s.=' Q'; if($link) $this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link); } if($s) $this->_out($s); $this->lasth=$h; if($ln>0) { //Go to next line $this->y+=$h; if($ln==1) $this->x=$this->lMargin; } else $this->x+=$w; } public function MultiCell($w, $h, $txt, $border=0, $align='J', $fill=false) { //Output text with automatic or explicit line breaks $cw=&$this->CurrentFont['cw']; if($w==0) $w=$this->w-$this->rMargin-$this->x; $wmax=($w-2*$this->cMargin)*1000/$this->FontSize; $s=str_replace("\r",'',$txt); $nb=strlen($s); if($nb>0 && $s[$nb-1]=="\n") $nb--; $b=0; if($border) { if($border==1) { $border='LTRB'; $b='LRT'; $b2='LR'; } else { $b2=''; if(strpos($border,'L')!==false) $b2.='L'; if(strpos($border,'R')!==false) $b2.='R'; $b=(strpos($border,'T')!==false) ? $b2.'T' : $b2; } } $sep=-1; $i=0; $j=0; $l=0; $ns=0; $nl=1; while($i<$nb) { //Get next character $c=$s[$i]; if($c=="\n") { //Explicit line break if($this->ws>0) { $this->ws=0; $this->_out('0 Tw'); } $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill); $i++; $sep=-1; $j=$i; $l=0; $ns=0; $nl++; if($border && $nl==2) $b=$b2; continue; } if($c==' ') { $sep=$i; $ls=$l; $ns++; } $l+=$cw[$c]; if($l>$wmax) { //Automatic line break if($sep==-1) { if($i==$j) $i++; if($this->ws>0) { $this->ws=0; $this->_out('0 Tw'); } $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill); } else { if($align=='J') { $this->ws=($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0; $this->_out(sprintf('%.3F Tw',$this->ws*$this->k)); } $this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill); $i=$sep+1; } $sep=-1; $j=$i; $l=0; $ns=0; $nl++; if($border && $nl==2) $b=$b2; } else $i++; } //Last chunk if($this->ws>0) { $this->ws=0; $this->_out('0 Tw'); } if($border && strpos($border,'B')!==false) $b.='B'; $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill); $this->x=$this->lMargin; } public function Write($h, $txt, $link='') { //Output text in flowing mode $cw=&$this->CurrentFont['cw']; $w=$this->w-$this->rMargin-$this->x; $wmax=($w-2*$this->cMargin)*1000/$this->FontSize; $s=str_replace("\r",'',$txt); $nb=strlen($s); $sep=-1; $i=0; $j=0; $l=0; $nl=1; while($i<$nb) { //Get next character $c=$s[$i]; if($c=="\n") { //Explicit line break $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link); $i++; $sep=-1; $j=$i; $l=0; if($nl==1) { $this->x=$this->lMargin; $w=$this->w-$this->rMargin-$this->x; $wmax=($w-2*$this->cMargin)*1000/$this->FontSize; } $nl++; continue; } if($c==' ') $sep=$i; $l+=$cw[$c]; if($l>$wmax) { //Automatic line break if($sep==-1) { if($this->x>$this->lMargin) { //Move to next line $this->x=$this->lMargin; $this->y+=$h; $w=$this->w-$this->rMargin-$this->x; $wmax=($w-2*$this->cMargin)*1000/$this->FontSize; $i++; $nl++; continue; } if($i==$j) $i++; $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link); } else { $this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',0,$link); $i=$sep+1; } $sep=-1; $j=$i; $l=0; if($nl==1) { $this->x=$this->lMargin; $w=$this->w-$this->rMargin-$this->x; $wmax=($w-2*$this->cMargin)*1000/$this->FontSize; } $nl++; } else $i++; } //Last chunk if($i!=$j) $this->Cell($l/1000*$this->FontSize,$h,substr($s,$j),0,0,'',0,$link); } public function Ln($h=null) { //Line feed; default value is last cell height $this->x=$this->lMargin; if($h===null) $this->y+=$this->lasth; else $this->y+=$h; } public function Image($file, $x=null, $y=null, $w=0, $h=0, $type='', $link='') { //Put an image on the page if(!isset($this->images[$file])) { //First use of this image, get info if($type=='') { $pos=strrpos($file,'.'); if(!$pos) $this->Error('Image file has no extension and no type was specified: '.$file); $type=substr($file,$pos+1); } $type=strtolower($type); if($type=='jpeg') $type='jpg'; $mtd='_parse'.$type; if(!method_exists($this,$mtd)) $this->Error('Unsupported image type: '.$type); $info=$this->$mtd($file); $info['i']=count($this->images)+1; $this->images[$file]=$info; } else $info=$this->images[$file]; //Automatic width and height calculation if needed if($w==0 && $h==0) { //Put image at 72 dpi $w=$info['w']/$this->k; $h=$info['h']/$this->k; } elseif($w==0) $w=$h*$info['w']/$info['h']; elseif($h==0) $h=$w*$info['h']/$info['w']; //Flowing mode if($y===null) { if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak()) { //Automatic page break $x2=$this->x; $this->AddPage($this->CurOrientation,$this->CurPageFormat); $this->x=$x2; } $y=$this->y; $this->y+=$h; } if($x===null) $x=$this->x; $this->_out(sprintf('q %.2F 0 0 %.2F %.2F %.2F cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i'])); if($link) $this->Link($x,$y,$w,$h,$link); } public function GetX() { //Get x position return $this->x; } public function SetX($x) { //Set x position if($x>=0) $this->x=$x; else $this->x=$this->w+$x; } public function GetY() { //Get y position return $this->y; } public function SetY($y) { //Set y position and reset x $this->x=$this->lMargin; if($y>=0) $this->y=$y; else $this->y=$this->h+$y; } public function SetXY($x, $y) { //Set x and y positions $this->SetY($y); $this->SetX($x); } public function Output($name='', $dest='') { //Output PDF to some destination if($this->state<3) $this->Close(); $dest=strtoupper($dest); if($dest=='') { if($name=='') { $name='doc.pdf'; $dest='I'; } else $dest='F'; } switch($dest) { case 'I': //Send to standard output if(ob_get_length()) $this->Error('Some data has already been output, can\'t send PDF file'); if(php_sapi_name()!='cli') { //We send to a browser header('Content-Type: application/pdf'); if(headers_sent()) $this->Error('Some data has already been output, can\'t send PDF file'); header('Content-Length: '.strlen($this->buffer)); header('Content-Disposition: inline; filename="'.$name.'"'); header('Cache-Control: private, max-age=0, must-revalidate'); header('Pragma: public'); ini_set('zlib.output_compression','0'); } echo $this->buffer; break; case 'D': //Download file if(ob_get_length()) $this->Error('Some data has already been output, can\'t send PDF file'); header('Content-Type: application/x-download'); if(headers_sent()) $this->Error('Some data has already been output, can\'t send PDF file'); header('Content-Length: '.strlen($this->buffer)); header('Content-Disposition: attachment; filename="'.$name.'"'); header('Cache-Control: private, max-age=0, must-revalidate'); header('Pragma: public'); ini_set('zlib.output_compression','0'); echo $this->buffer; break; case 'F': //Save to local file $f=fopen($name,'wb'); if(!$f) $this->Error('Unable to create output file: '.$name); fwrite($f,$this->buffer,strlen($this->buffer)); fclose($f); break; case 'S': //Return as a string return $this->buffer; default: $this->Error('Incorrect output destination: '.$dest); } return ''; } /******************************************************************************* * * * Protected methods * * * *******************************************************************************/ public function _dochecks() { //Check availability of %F if(sprintf('%.1F',1.0)!='1.0') $this->Error('This version of PHP is not supported'); //Check mbstring overloading if(ini_get('mbstring.func_overload') & 2) $this->Error('mbstring overloading must be disabled'); } public function _getpageformat($format) { $format=strtolower($format); if(!isset($this->PageFormats[$format])) $this->Error('Unknown page format: '.$format); $a=$this->PageFormats[$format]; return array($a[0]/$this->k, $a[1]/$this->k); } public function _getfontpath() { if(!defined('FPDF_FONTPATH') && is_dir(dirname(__FILE__).'/font')) define('FPDF_FONTPATH',dirname(__FILE__).'/font/'); return defined('FPDF_FONTPATH') ? FPDF_FONTPATH : ''; } public function _beginpage($orientation, $format) { $this->page++; $this->pages[$this->page]=''; $this->state=2; $this->x=$this->lMargin; $this->y=$this->tMargin; $this->FontFamily=''; //Check page size if($orientation=='') $orientation=$this->DefOrientation; else $orientation=strtoupper($orientation[0]); if($format=='') $format=$this->DefPageFormat; else { if(is_string($format)) $format=$this->_getpageformat($format); } if($orientation!=$this->CurOrientation || $format[0]!=$this->CurPageFormat[0] || $format[1]!=$this->CurPageFormat[1]) { //New size if($orientation=='P') { $this->w=$format[0]; $this->h=$format[1]; } else { $this->w=$format[1]; $this->h=$format[0]; } $this->wPt=$this->w*$this->k; $this->hPt=$this->h*$this->k; $this->PageBreakTrigger=$this->h-$this->bMargin; $this->CurOrientation=$orientation; $this->CurPageFormat=$format; } if($orientation!=$this->DefOrientation || $format[0]!=$this->DefPageFormat[0] || $format[1]!=$this->DefPageFormat[1]) $this->PageSizes[$this->page]=array($this->wPt, $this->hPt); } public function _endpage() { $this->state=1; } public function _escape($s) { //Escape special characters in strings $s=str_replace('\\','\\\\',$s); $s=str_replace('(','\\(',$s); $s=str_replace(')','\\)',$s); $s=str_replace("\r",'\\r',$s); return $s; } public function _textstring($s) { //Format a text string return '('.$this->_escape($s).')'; } public function _UTF8toUTF16($s) { //Convert UTF-8 to UTF-16BE with BOM $res="\xFE\xFF"; $nb=strlen($s); $i=0; while($i<$nb) { $c1=ord($s[$i++]); if($c1>=224) { //3-byte character $c2=ord($s[$i++]); $c3=ord($s[$i++]); $res.=chr((($c1 & 0x0F)<<4) + (($c2 & 0x3C)>>2)); $res.=chr((($c2 & 0x03)<<6) + ($c3 & 0x3F)); } elseif($c1>=192) { //2-byte character $c2=ord($s[$i++]); $res.=chr(($c1 & 0x1C)>>2); $res.=chr((($c1 & 0x03)<<6) + ($c2 & 0x3F)); } else { //Single-byte character $res.="\0".chr($c1); } } return $res; } public function _dounderline($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); } public 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,8192); fclose($f); return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data); } public 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($this->_readstream($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10)) $this->Error('Not a PNG file: '.$file); //Read header chunk $this->_readstream($f,4); if($this->_readstream($f,4)!='IHDR') $this->Error('Incorrect PNG file: '.$file); $w=$this->_readint($f); $h=$this->_readint($f); $bpc=ord($this->_readstream($f,1)); if($bpc>8) $this->Error('16-bit depth not supported: '.$file); $ct=ord($this->_readstream($f,1)); if($ct==0) $colspace='DeviceGray'; elseif($ct==2) $colspace='DeviceRGB'; elseif($ct==3) $colspace='Indexed'; else $this->Error('Alpha channel not supported: '.$file); if(ord($this->_readstream($f,1))!=0) $this->Error('Unknown compression method: '.$file); if(ord($this->_readstream($f,1))!=0) $this->Error('Unknown filter method: '.$file); if(ord($this->_readstream($f,1))!=0) $this->Error('Interlacing not supported: '.$file); $this->_readstream($f,4); $parms='/DecodeParms <>'; //Scan chunks looking for palette, transparency and image data $pal=''; $trns=''; $data=''; do { $n=$this->_readint($f); $type=$this->_readstream($f,4); if($type=='PLTE') { //Read palette $pal=$this->_readstream($f,$n); $this->_readstream($f,4); } elseif($type=='tRNS') { //Read transparency info $t=$this->_readstream($f,$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); } $this->_readstream($f,4); } elseif($type=='IDAT') { //Read image data block $data.=$this->_readstream($f,$n); $this->_readstream($f,4); } elseif($type=='IEND') break; else $this->_readstream($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'=>$data); } public function _readstream($f, $n) { //Read n bytes from stream $res=''; while($n>0 && !feof($f)) { $s=fread($f,$n); if($s===false) $this->Error('Error while reading stream'); $n-=strlen($s); $res.=$s; } if($n>0) $this->Error('Unexpected end of stream'); return $res; } public function _readint($f) { //Read a 4-byte integer from stream $a=unpack('Ni',$this->_readstream($f,4)); return $a['i']; } public function _parsegif($file) { //Extract info from a GIF file (via PNG conversion) if(!function_exists('imagepng')) $this->Error('GD extension is required for GIF support'); if(!function_exists('imagecreatefromgif')) $this->Error('GD has no GIF read support'); $im=imagecreatefromgif($file); if(!$im) $this->Error('Missing or incorrect image file: '.$file); imageinterlace($im,0); $tmp=tempnam('.','gif'); if(!$tmp) $this->Error('Unable to create a temporary file'); if(!imagepng($im,$tmp)) $this->Error('Error while saving to temporary file'); imagedestroy($im); $info=$this->_parsepng($tmp); unlink($tmp); return $info; } public function _newobj() { //Begin a new object $this->n++; $this->offsets[$this->n]=strlen($this->buffer); $this->_out($this->n.' 0 obj'); } public function _putstream($s) { $this->_out('stream'); $this->_out($s); $this->_out('endstream'); } public function _out($s) { //Add a line to the document if($this->state==2) $this->pages[$this->page].=$s."\n"; else $this->buffer.=$s."\n"; } public function _putpages() { $nb=$this->page; if(!empty($this->AliasNbPages)) { //Replace number of pages for($n=1;$n<=$nb;$n++) $this->pages[$n]=str_replace($this->AliasNbPages,$nb,$this->pages[$n]); } if($this->DefOrientation=='P') { $wPt=$this->DefPageFormat[0]*$this->k; $hPt=$this->DefPageFormat[1]*$this->k; } else { $wPt=$this->DefPageFormat[1]*$this->k; $hPt=$this->DefPageFormat[0]*$this->k; } $filter=($this->compress) ? '/Filter /FlateDecode ' : ''; for($n=1;$n<=$nb;$n++) { //Page $this->_newobj(); $this->_out('<_out('/Parent 1 0 R'); if(isset($this->PageSizes[$n])) $this->_out(sprintf('/MediaBox [0 0 %.2F %.2F]',$this->PageSizes[$n][0],$this->PageSizes[$n][1])); $this->_out('/Resources 2 0 R'); if(isset($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]); $annots.='<_textstring($pl[4]).'>>>>'; else { $l=$this->links[$pl[4]]; $h=isset($this->PageSizes[$l[0]]) ? $this->PageSizes[$l[0]][1] : $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'); $this->_out('<_out($kids.']'); $this->_out('/Count '.$nb); $this->_out(sprintf('/MediaBox [0 0 %.2F %.2F]',$wPt,$hPt)); $this->_out('>>'); $this->_out('endobj'); } public function _putfonts() { $nf=$this->n; foreach($this->diffs as $diff) { //Encodings $this->_newobj(); $this->_out('<>'); $this->_out('endobj'); } foreach($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'])) { $header = (ord(substr($font, 0, 1)) == 128); if($header) { //Strip first binary header $font=substr($font,6); } if($header && ord(substr($font, $info['length1'], 1))==128) { //Strip second binary header $font = substr($font, 0, $info['length1']).substr($font, $info['length1']+6); } } $this->_out('<_out('/Filter /FlateDecode'); $this->_out('/Length1 '.$info['length1']); if(isset($info['length2'])) $this->_out('/Length2 '.$info['length2'].' /Length3 0'); $this->_out('>>'); $this->_putstream($font); $this->_out('endobj'); } foreach($this->fonts as $k => $f) { //Font objects $this->fonts[$k]['n']=$this->n+1; $type=$f['type']; $name=$f['name']; if($type=='core') { //Standard font $this->_newobj(); $this->_out('<_out('/BaseFont /'.$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(); $this->_out('<_out('/BaseFont /'.$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($f['enc']) { if(isset($f['diff'])) $this->_out('/Encoding '.($nf+$f['diff']).' 0 R'); else $this->_out('/Encoding /WinAnsiEncoding'); } $this->_out('>>'); $this->_out('endobj'); //Widths $this->_newobj(); $cw=&$f['cw']; $s='['; for($i=32;$i<=255;$i++) $s.=$cw[chr($i)].' '; $this->_out($s.']'); $this->_out('endobj'); //Descriptor $this->_newobj(); $s='<$v) $s.=' /'.$k.' '.$v; $file=$f['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($f); } } } public function _putimages() { $filter=($this->compress) ? '/Filter /FlateDecode ' : ''; reset($this->images); foreach ($this->images as $file => $info) { $this->_newobj(); $this->images[$file]['n']=$this->n; $this->_out('<_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;$i_out('/Mask ['.$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); $this->_out('endobj'); } } } public function _putxobjectdict() { foreach($this->images as $image) $this->_out('/I'.$image['i'].' '.$image['n'].' 0 R'); } public 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('>>'); } public 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'); } public 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'))); } public 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'); } public function _putheader() { $this->_out('%PDF-'.$this->PDFVersion); } public function _puttrailer() { $this->_out('/Size '.($this->n+1)); $this->_out('/Root '.$this->n.' 0 R'); $this->_out('/Info '.($this->n-1).' 0 R'); } public 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'); $this->state=3; } //End of class } //Handle special IE contype request if(isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT']=='contype') { header('Content-Type: application/pdf'); exit; } ?>