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File: fpdf/fpdf.php

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File: fpdf/fpdf.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: Sign on display
Insert a captured person signature in a PDF file
Author: By
Last change: Update of fpdf/fpdf.php
Date: 1 month ago
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<?php /******************************************************************************* * FPDF * * * * Version: 1.7 * * Date: 2011-06-18 * * Author: Olivier PLATHEY * *******************************************************************************/ define('FPDF_VERSION','1.7'); class FPDF { var $page; // current page number var $n; // current object number var $offsets; // array of object offsets var $buffer; // buffer holding in-memory PDF var $pages; // array containing pages var $state; // current document state var $compress; // compression flag var $k; // scale factor (number of points in user unit) var $DefOrientation; // default orientation var $CurOrientation; // current orientation var $StdPageSizes; // standard page sizes var $DefPageSize; // default page size var $CurPageSize; // current page size var $PageSizes; // used for pages with non default sizes or orientations var $wPt, $hPt; // dimensions of current page in points var $w, $h; // dimensions of current page in user unit var $lMargin; // left margin var $tMargin; // top margin var $rMargin; // right margin var $bMargin; // page break margin var $cMargin; // cell margin var $x, $y; // current position in user unit var $lasth; // height of last printed cell var $LineWidth; // line width in user unit var $fontpath; // path containing fonts var $CoreFonts; // array of core font names var $fonts; // array of used fonts var $FontFiles; // array of font files var $diffs; // array of encoding differences var $FontFamily; // current font family var $FontStyle; // current font style var $underline; // underlining flag var $CurrentFont; // current font info var $FontSizePt; // current font size in points var $FontSize; // current font size in user unit var $DrawColor; // commands for drawing color var $FillColor; // commands for filling color var $TextColor; // commands for text color var $ColorFlag; // indicates whether fill and text colors are different var $ws; // word spacing var $images; // array of used images var $PageLinks; // array of links in pages var $links; // array of internal links var $AutoPageBreak; // automatic page breaking var $PageBreakTrigger; // threshold used to trigger page breaks var $InHeader; // flag set when processing header var $InFooter; // flag set when processing footer var $ZoomMode; // zoom display mode var $LayoutMode; // layout display mode var $title; // title var $subject; // subject var $author; // author var $keywords; // keywords var $creator; // creator var $AliasNbPages; // alias for total number of pages var $PDFVersion; // PDF version number /******************************************************************************* * * * Public methods * * * *******************************************************************************/ function FPDF($orientation='P', $unit='mm', $size='A4') { // Some checks $this->_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; // Font path if(defined('FPDF_FONTPATH')) { $this->fontpath = FPDF_FONTPATH; if(substr($this->fontpath,-1)!='/' && substr($this->fontpath,-1)!='\\') $this->fontpath .= '/'; } elseif(is_dir(dirname(__FILE__).'/font')) $this->fontpath = dirname(__FILE__).'/font/'; else $this->fontpath = ''; // Core fonts $this->CoreFonts = array('courier', 'helvetica', 'times', 'symbol', 'zapfdingbats'); // Scale factor if($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 sizes $this->StdPageSizes = 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)); $size = $this->_getpagesize($size); $this->DefPageSize = $size; $this->CurPageSize = $size; // Page orientation $orientation = strtolower($orientation); if($orientation=='p' || $orientation=='portrait') { $this->DefOrientation = 'P'; $this->w = $size[0]; $this->h = $size[1]; } elseif($orientation=='l' || $orientation=='landscape') { $this->DefOrientation = 'L'; $this->w = $size[1]; $this->h = $size[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); // Default display mode $this->SetDisplayMode('default'); // Enable compression $this->SetCompression(true); // Set default PDF version number $this->PDFVersion = '1.3'; } function SetMargins($left, $top, $right=null) { // Set left, top and right margins $this->lMargin = $left; $this->tMargin = $top; if($right===null) $right = $left; $this->rMargin = $right; } function SetLeftMargin($margin) { // Set left margin $this->lMargin = $margin; if($this->page>0 && $this->x<$margin) $this->x = $margin; } function SetTopMargin($margin) { // Set top margin $this->tMargin = $margin; } function SetRightMargin($margin) { // Set right margin $this->rMargin = $margin; } function SetAutoPageBreak($auto, $margin=0) { // Set auto page break mode and triggering margin $this->AutoPageBreak = $auto; $this->bMargin = $margin; $this->PageBreakTrigger = $this->h-$margin; } function SetDisplayMode($zoom, $layout='default') { // Set display mode in viewer if($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); } function SetCompression($compress) { // Set page compression if(function_exists('gzcompress')) $this->compress = $compress; else $this->compress = false; } function SetTitle($title, $isUTF8=false) { // Title of document if($isUTF8) $title = $this->_UTF8toUTF16($title); $this->title = $title; } function SetSubject($subject, $isUTF8=false) { // Subject of document if($isUTF8) $subject = $this->_UTF8toUTF16($subject); $this->subject = $subject; } function SetAuthor($author, $isUTF8=false) { // Author of document if($isUTF8) $author = $this->_UTF8toUTF16($author); $this->author = $author; } function SetKeywords($keywords, $isUTF8=false) { // Keywords of document if($isUTF8) $keywords = $this->_UTF8toUTF16($keywords); $this->keywords = $keywords; } function SetCreator($creator, $isUTF8=false) { // Creator of document if($isUTF8) $creator = $this->_UTF8toUTF16($creator); $this->creator = $creator; } function AliasNbPages($alias='{nb}') { // Define an alias for total number of pages $this->AliasNbPages = $alias; } function Error($msg) { // Fatal error die('<b>FPDF error:</b> '.$msg); } function Open() { // Begin document $this->state = 1; } function Close() { // Terminate document if($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 $this->_enddoc(); } function AddPage($orientation='', $size='') { // Start a new page if($this->state==0) $this->Open(); $family = $this->FontFamily; $style = $this->FontStyle.($this->underline ? 'U' : ''); $fontsize = $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,$size); // 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,$style,$fontsize); // 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,$style,$fontsize); // 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; } function Header() { // To be implemented in your own inherited class } function Footer() { // To be implemented in your own inherited class } function PageNo() { // Get current page number return $this->page; } function SetDrawColor($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); } 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); } 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!=$this->TextColor); } function GetStringWidth($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; } function SetLineWidth($width) { // Set line width $this->LineWidth = $width; if($this->page>0) $this->_out(sprintf('%.2F w',$width*$this->k)); } function Line($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)*$this->k)); } function Rect($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,$op)); } function AddFont($family, $style='', $file='') { // Add a TrueType, OpenType or Type1 font $family = strtolower($family); if($file=='') $file = str_replace(' ','',$family).strtolower($style).'.php'; $style = strtoupper($style); if($style=='IB') $style = 'BI'; $fontkey = $family.$style; if(isset($this->fonts[$fontkey])) return; $info = $this->_loadfont($file); $info['i'] = count($this->fonts)+1; if(!empty($info['diff'])) { // Search existing encodings $n = array_search($info['diff'],$this->diffs); if(!$n) { $n = count($this->diffs)+1; $this->diffs[$n] = $info['diff']; } $info['diffn'] = $n; } if(!empty($info['file'])) { // Embedded font if($info['type']=='TrueType') $this->FontFiles[$info['file']] = array('length1'=>$info['originalsize']); else $this->FontFiles[$info['file']] = array('length1'=>$info['size1'], 'length2'=>$info['size2']); } $this->fonts[$fontkey] = $info; } function SetFont($family, $style='', $size=0) { // Select a font; size given in points if($family=='') $family = $this->FontFamily; else $family = strtolower($family); $style = strtoupper($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 font is already loaded $fontkey = $family.$style; if(!isset($this->fonts[$fontkey])) { // Test if one of the core fonts if($family=='arial') $family = 'helvetica'; if(in_array($family,$this->CoreFonts)) { if($family=='symbol' || $family=='zapfdingbats') $style = ''; $fontkey = $family.$style; if(!isset($this->fonts[$fontkey])) $this->AddFont($family,$style); } 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'],$this->FontSizePt)); } function SetFontSize($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)); } function AddLink() { // Create a new internal link $n = count($this->links)+1; $this->links[$n] = array(0, 0); return $n; } function SetLink($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, $y); } function Link($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, $link); } function Text($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); } function AcceptPageBreak() { // Accept automatic page break or not return $this->AutoPageBreak; } function Cell($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->CurPageSize); $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 += $w; } function MultiCell($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 = $this->lMargin; } function Write($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,$link); } function Ln($h=null) { // Line feed; default value is last cell height $this->x = $this->lMargin; if($h===null) $this->y += $this->lasth; else $this->y += $h; } function Image($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 96 dpi $w = -96; $h = -96; } if($w<0) $w = -$info['w']*72/$w/$this->k; if($h<0) $h = -$info['h']*72/$h/$this->k; if($w==0) $w = $h*$info['w']/$info['h']; if($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->CurPageSize); $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); } function GetX() { // Get x position return $this->x; } function SetX($x) { // Set x position if($x>=0) $this->x = $x; else $this->x = $this->w+$x; } function GetY() { // Get y position return $this->y; } function SetY($y) { // Set y position and reset x $this->x = $this->lMargin; if($y>=0) $this->y = $y; else $this->y = $this->h+$y; } function SetXY($x, $y) { // Set x and y positions $this->SetY($y); $this->SetX($x); } 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 $this->_checkoutput(); if(PHP_SAPI!='cli') { // We send to a browser header('Content-Type: application/pdf'); header('Content-Disposition: inline; filename="'.$name.'"'); header('Cache-Control: private, max-age=0, must-revalidate'); header('Pragma: public'); } echo $this->buffer; break; case 'D': // Download file $this->_checkoutput(); header('Content-Type: application/x-download'); header('Content-Disposition: attachment; filename="'.$name.'"'); header('Cache-Control: private, max-age=0, must-revalidate'); header('Pragma: public'); 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 * * * *******************************************************************************/ 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) $this->Error('mbstring overloading must be disabled'); // Ensure runtime magic quotes are disabled if(get_magic_quotes_runtime()) @set_magic_quotes_runtime(0); } function _checkoutput() { if(PHP_SAPI!='cli') { if(headers_sent($file,$line)) $this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)"); } if(ob_get_length()) { // The output buffer is not empty if(preg_match('/^(\xEF\xBB\xBF)?\s*$/',ob_get_contents())) { // It contains only a UTF-8 BOM and/or whitespace, let's clean it ob_clean(); } else $this->Error("Some data has already been output, can't send PDF file"); } } function _getpagesize($size) { if(is_string($size)) { $size = strtolower($size); if(!isset($this->StdPageSizes[$size])) $this->Error('Unknown page size: '.$size); $a = $this->StdPageSizes[$size]; return array($a[0]/$this->k, $a[1]/$this->k); } else { if($size[0]>$size[1]) return array($size[1], $size[0]); else return $size; } } function _beginpage($orientation, $size) { $this->page++; $this->pages[$this->page] = ''; $this->state = 2; $this->x = $this->lMargin; $this->y = $this->tMargin; $this->FontFamily = ''; // Check page size and orientation if($orientation=='') $orientation = $this->DefOrientation; else $orientation = strtoupper($orientation[0]); if($size=='') $size = $this->DefPageSize; else $size = $this->_getpagesize($size); if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1]) { // New size or orientation if($orientation=='P') { $this->w = $size[0]; $this->h = $size[1]; } else { $this->w = $size[1]; $this->h = $size[0]; } $this->wPt = $this->w*$this->k; $this->hPt = $this->h*$this->k; $this->PageBreakTrigger = $this->h-$this->bMargin; $this->CurOrientation = $orientation; $this->CurPageSize = $size; } if($orientation!=$this->DefOrientation || $size[0]!=$this->DefPageSize[0] || $size[1]!=$this->DefPageSize[1]) $this->PageSizes[$this->page] = array($this->wPt, $this->hPt); } function _endpage() { $this->state = 1; } function _loadfont($font) { // Load a font definition file from the font directory include($this->fontpath.$font); $a = get_defined_vars(); if(!isset($a['name'])) $this->Error('Could not include font definition file'); return $a; } function _escape($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 $s; } function _textstring($s) { // Format a text string return '('.$this->_escape($s).')'; } 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 $res; } function _dounderline($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; $data = file_get_contents($file); 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); $info = $this->_parsepngstream($f,$file); fclose($f); return $info; } function _parsepngstream($f, $file) { // Check signature if($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 || $ct==4) $colspace = 'DeviceGray'; elseif($ct==2 || $ct==6) $colspace = 'DeviceRGB'; elseif($ct==3) $colspace = 'Indexed'; else $this->Error('Unknown color type: '.$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); $dp = '/Predictor 15 /Colors '.($colspace=='DeviceRGB' ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w; // 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); $info = array('w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'FlateDecode', 'dp'=>$dp, 'pal'=>$pal, 'trns'=>$trns); if($ct>=4) { // Extract alpha channel if(!function_exists('gzuncompress')) $this->Error('Zlib not available, can\'t handle alpha channel: '.$file); $data = gzuncompress($data); $color = ''; $alpha = ''; if($ct==4) { // Gray image $len = 2*$w; for($i=0;$i<$h;$i++) { $pos = (1+$len)*$i; $color .= $data[$pos]; $alpha .= $data[$pos]; $line = substr($data,$pos+1,$len); $color .= preg_replace('/(.)./s','$1',$line); $alpha .= preg_replace('/.(.)/s','$1',$line); } } else { // RGB image $len = 4*$w; for($i=0;$i<$h;$i++) { $pos = (1+$len)*$i; $color .= $data[$pos]; $alpha .= $data[$pos]; $line = substr($data,$pos+1,$len); $color .= preg_replace('/(.{3})./s','$1',$line); $alpha .= preg_replace('/.{3}(.)/s','$1',$line); } } unset($data); $data = gzcompress($color); $info['smask'] = gzcompress($alpha); if($this->PDFVersion<'1.4') $this->PDFVersion = '1.4'; } $info['data'] = $data; return $info; } function _readstream($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 $res; } function _readint($f) { // Read a 4-byte integer from stream $a = unpack('Ni',$this->_readstream($f,4)); return $a['i']; } function _parsegif($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); $f = @fopen('php://temp','rb+'); if($f) { // Perform conversion in memory ob_start(); imagepng($im); $data = ob_get_clean(); imagedestroy($im); fwrite($f,$data); rewind($f); $info = $this->_parsepngstream($f,$file); fclose($f); } else { // Use temporary file $tmp = tempnam('.','gif'); if(!$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; } function _newobj() { // Begin a new object $this->n++; $this->offsets[$this->n] = strlen($this->buffer); $this->_out($this->n.' 0 obj'); } 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"; } 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 = $this->DefPageSize[0]*$this->k; $hPt = $this->DefPageSize[1]*$this->k; } else { $wPt = $this->DefPageSize[1]*$this->k; $hPt = $this->DefPageSize[0]*$this->k; } $filter = ($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->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]); $annots .= '<</Type /Annot /Subtype /Link /Rect ['.$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->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.']'); } if($this->PDFVersion>'1.3') $this->_out('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>'); $this->_out('/Contents '.($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.']>>'); $this->_out('endobj'); } foreach($this->FontFiles as $file=>$info) { // Font file embedding $this->_newobj(); $this->FontFiles[$file]['n'] = $this->n; $font = file_get_contents($this->fontpath.$file,true); if(!$font) $this->Error('Font file not found: '.$file); $compressed = (substr($file,-2)=='.z'); if(!$compressed && isset($info['length2'])) $font = substr($font,6,$info['length1']).substr($font,6+$info['length1']+6,$info['length2']); $this->_out('<</Length '.strlen($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); $this->_out('endobj'); } foreach($this->fonts as $k=>$font) { // Font objects $this->fonts[$k]['n'] = $this->n+1; $type = $font['type']; $name = $font['name']; if($type=='Core') { // Core 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/OpenType 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(isset($font['diffn'])) $this->_out('/Encoding '.($nf+$font['diffn']).' 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.' '.$v; if(!empty($font['file'])) $s .= ' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$font['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($font); } } } function _putimages() { foreach(array_keys($this->images) as $file) { $this->_putimage($this->images[$file]); unset($this->images[$file]['data']); unset($this->images[$file]['smask']); } } function _putimage(&$info) { $this->_newobj(); $info['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['dp'])) $this->_out('/DecodeParms <<'.$info['dp'].'>>'); 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.']'); } if(isset($info['smask'])) $this->_out('/SMask '.($this->n+1).' 0 R'); $this->_out('/Length '.strlen($info['data']).'>>'); $this->_putstream($info['data']); $this->_out('endobj'); // Soft mask if(isset($info['smask'])) { $dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w']; $smask = array('w'=>$info['w'], 'h'=>$info['h'], 'cs'=>'DeviceGray', 'bpc'=>8, 'f'=>$info['f'], 'dp'=>$dp, 'data'=>$info['smask']); $this->_putimage($smask); } // Palette if($info['cs']=='Indexed') { $filter = ($this->compress) ? '/Filter /FlateDecode ' : ''; $pal = ($this->compress) ? gzcompress($info['pal']) : $info['pal']; $this->_newobj(); $this->_out('<<'.$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)) $this->_out('/OpenAction [3 0 R /XYZ null null '.sprintf('%.2F',$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'); $this->state = 3; } // End of class } // Handle special IE contype request if(isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT']=='contype') { header('Content-Type: application/pdf'); exit; } ?>