Chamilo is a learning management system focused on ease of use and accessibility
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
chamilo-lms/plugin/test2pdf/class/fpdf.php

1949 lines
63 KiB

<?php
/*******************************************************************************
* FPDF *
* *
* Version: 1.81 *
* Date: 2015-12-20 *
* Author: Olivier PLATHEY *
*******************************************************************************/
define('FPDF_VERSION', '1.81');
class FPDF
{
protected $page; // current page number
protected $n; // current object number
protected $offsets; // array of object offsets
protected $buffer; // buffer holding in-memory PDF
protected $pages; // array containing pages
protected $state; // current document state
protected $compress; // compression flag
protected $k; // scale factor (number of points in user unit)
protected $DefOrientation; // default orientation
protected $CurOrientation; // current orientation
protected $StdPageSizes; // standard page sizes
protected $DefPageSize; // default page size
protected $CurPageSize; // current page size
protected $CurRotation; // current page rotation
protected $PageInfo; // page-related data
protected $wPt;
protected $hPt; // dimensions of current page in points
protected $w;
protected $h; // dimensions of current page in user unit
protected $lMargin; // left margin
protected $tMargin; // top margin
protected $rMargin; // right margin
protected $bMargin; // page break margin
protected $cMargin; // cell margin
protected $x;
protected $y; // current position in user unit
protected $lasth; // height of last printed cell
protected $LineWidth; // line width in user unit
protected $fontpath; // path containing fonts
protected $CoreFonts; // array of core font names
protected $fonts; // array of used fonts
protected $FontFiles; // array of font files
protected $encodings; // array of encodings
protected $cmaps; // array of ToUnicode CMaps
protected $FontFamily; // current font family
protected $FontStyle; // current font style
protected $underline; // underlining flag
protected $CurrentFont; // current font info
protected $FontSizePt; // current font size in points
protected $FontSize; // current font size in user unit
protected $DrawColor; // commands for drawing color
protected $FillColor; // commands for filling color
protected $TextColor; // commands for text color
protected $ColorFlag; // indicates whether fill and text colors are different
protected $WithAlpha; // indicates whether alpha channel is used
protected $ws; // word spacing
protected $images; // array of used images
protected $PageLinks; // array of links in pages
protected $links; // array of internal links
protected $AutoPageBreak; // automatic page breaking
protected $PageBreakTrigger; // threshold used to trigger page breaks
protected $InHeader; // flag set when processing header
protected $InFooter; // flag set when processing footer
protected $AliasNbPages; // alias for total number of pages
protected $ZoomMode; // zoom display mode
protected $LayoutMode; // layout display mode
protected $metadata; // document properties
protected $PDFVersion; // PDF version number
/*******************************************************************************
* Public methods *
*******************************************************************************/
public function __construct($orientation='P', $unit='mm', $size='A4')
{
// Some checks
$this->_dochecks();
// Initialization of properties
$this->state = 0;
$this->page = 0;
$this->n = 2;
$this->buffer = '';
$this->pages = [];
$this->PageInfo = [];
$this->fonts = [];
$this->FontFiles = [];
$this->encodings = [];
$this->cmaps = [];
$this->images = [];
$this->links = [];
$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->WithAlpha = 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
$this->CoreFonts = ['courier', 'helvetica', 'times', 'symbol', 'zapfdingbats'];
// Scale factor
if ($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 = ['a3'=>[841.89,1190.55], 'a4'=>[595.28,841.89], 'a5'=>[420.94,595.28],
'letter'=>[612,792], 'legal'=>[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 rotation
$this->CurRotation = 0;
// 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
$this->PDFVersion = '1.3';
}
public function SetMargins($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, $layout='default')
{
// Set display mode in viewer
if ($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);
}
}
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
$this->metadata['Title'] = $isUTF8 ? $title : utf8_encode($title);
}
public function SetAuthor($author, $isUTF8=false)
{
// Author of document
$this->metadata['Author'] = $isUTF8 ? $author : utf8_encode($author);
}
public function SetSubject($subject, $isUTF8=false)
{
// Subject of document
$this->metadata['Subject'] = $isUTF8 ? $subject : utf8_encode($subject);
}
public function SetKeywords($keywords, $isUTF8=false)
{
// Keywords of document
$this->metadata['Keywords'] = $isUTF8 ? $keywords : utf8_encode($keywords);
}
public function SetCreator($creator, $isUTF8=false)
{
// Creator of document
$this->metadata['Creator'] = $isUTF8 ? $creator : utf8_encode($creator);
}
public function AliasNbPages($alias='{nb}')
{
// Define an alias for total number of pages
$this->AliasNbPages = $alias;
}
public function Error($msg)
{
// Fatal error
throw new Exception('FPDF error: '.$msg);
}
public function Close()
{
// Terminate document
if ($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='', $size='', $rotation=0)
{
// Start a new page
if ($this->state==3) {
$this->Error('The document is closed');
}
$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, $rotation);
// 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;
}
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, 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($info['file'])) {
// Embedded font
if ($info['type']=='TrueType') {
$this->FontFiles[$info['file']] = ['length1'=>$info['originalsize']];
} else {
$this->FontFiles[$info['file']] = ['length1'=>$info['size1'], 'length2'=>$info['size2']];
}
}
$this->fonts[$fontkey] = $info;
}
public function SetFont($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'], $this->FontSizePt));
}
}
public function SetFontSize($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] = [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] = [$page, $y];
}
public function Link($x, $y, $w, $h, $link)
{
// Put a link on the page
$this->PageLinks[$this->page][] = [$x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link];
}
public function Text($x, $y, $txt)
{
// Output a string
if (!isset($this->CurrentFont)) {
$this->Error('No font has been set');
}
$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->CurPageSize, $this->CurRotation);
$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 (!isset($this->CurrentFont)) {
$this->Error('No font has been set');
}
if ($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.' ';
}
$s .= sprintf('BT %.2F %.2F Td (%s) Tj ET', ($this->x+$dx)*$k, ($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k, $this->_escape($txt));
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', $fill=false)
{
// Output text with automatic or explicit line breaks
if (!isset($this->CurrentFont)) {
$this->Error('No font has been set');
}
$cw = &$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, $link='')
{
// Output text in flowing mode
if (!isset($this->CurrentFont)) {
$this->Error('No font has been set');
}
$cw = &$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, '', false, $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, '', false, $link);
} else {
$this->Cell($w, $h, substr($s, $j, $sep-$j), 0, 2, '', false, $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, '', false, $link);
}
}
public function Ln($h=null)
{
// Line feed; default value is the 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='', $link='')
{
// Put an image on the page
if ($file=='') {
$this->Error('Image file name is empty');
}
if (!isset($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->CurRotation);
$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 GetPageWidth()
{
// Get current page width
return $this->w;
}
public function GetPageHeight()
{
// Get current page height
return $this->h;
}
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, $resetX=true)
{
// Set y position and optionally reset x
if ($y>=0) {
$this->y = $y;
} else {
$this->y = $this->h+$y;
}
if ($resetX) {
$this->x = $this->lMargin;
}
}
public function SetXY($x, $y)
{
// Set x and y positions
$this->SetX($x);
$this->SetY($y, false);
}
public function Output($dest='', $name='', $isUTF8=false)
{
// Output PDF to some destination
$this->Close();
if (strlen($name)==1 && strlen($dest)!=1) {
// Fix parameter order
$tmp = $dest;
$dest = $name;
$name = $tmp;
}
if ($dest=='') {
$dest = 'I';
}
if ($name=='') {
$name = 'doc.pdf';
}
switch (strtoupper($dest)) {
case 'I':
// Send to standard output
$this->_checkoutput();
if (PHP_SAPI!='cli') {
// We send to a browser
header('Content-Type: application/pdf');
header('Content-Disposition: inline; '.$this->_httpencode('filename', $name, $isUTF8));
header('Cache-Control: private, max-age=0, must-revalidate');
header('Pragma: public');
}
echo $this->buffer;
break;
case 'D':
// Download file
$this->_checkoutput();
header('Content-Type: application/x-download');
header('Content-Disposition: attachment; '.$this->_httpencode('filename', $name, $isUTF8));
header('Cache-Control: private, max-age=0, must-revalidate');
header('Pragma: public');
echo $this->buffer;
break;
case 'F':
// Save to local file
if (!file_put_contents($name, $this->buffer)) {
$this->Error('Unable to create output file: '.$name);
}
break;
case 'S':
// Return as a string
return $this->buffer;
default:
$this->Error('Incorrect output destination: '.$dest);
}
return '';
}
/*******************************************************************************
* Protected methods *
*******************************************************************************/
protected function _dochecks()
{
// Check mbstring overloading
if (ini_get('mbstring.func_overload') & 2) {
$this->Error('mbstring overloading must be disabled');
}
// Ensure runtime magic quotes are disabled
if (get_magic_quotes_runtime()) {
@set_magic_quotes_runtime(0);
}
}
protected function _checkoutput()
{
if (PHP_SAPI!='cli') {
if (headers_sent($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 {
$this->Error("Some data has already been output, can't send PDF file");
}
}
}
protected function _getpagesize($size)
{
if (is_string($size)) {
$size = strtolower($size);
if (!isset($this->StdPageSizes[$size])) {
$this->Error('Unknown page size: '.$size);
}
$a = $this->StdPageSizes[$size];
return [$a[0]/$this->k, $a[1]/$this->k];
} else {
if ($size[0]>$size[1]) {
return [$size[1], $size[0]];
} else {
return $size;
}
}
}
protected function _beginpage($orientation, $size, $rotation)
{
$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]) {
$this->PageInfo[$this->page]['size'] = [$this->wPt, $this->hPt];
}
if ($rotation!=0) {
if ($rotation%90!=0) {
$this->Error('Incorrect rotation value: '.$rotation);
}
$this->CurRotation = $rotation;
$this->PageInfo[$this->page]['rotation'] = $rotation;
}
}
protected function _endpage()
{
$this->state = 1;
}
protected function _loadfont($font)
{
// Load a font definition file from the font directory
if (strpos($font, '/')!==false || strpos($font, "\\")!==false) {
$this->Error('Incorrect font definition file name: '.$font);
}
include($this->fontpath.$font);
if (!isset($name)) {
$this->Error('Could not include font definition file');
}
if (isset($enc)) {
$enc = strtolower($enc);
}
if (!isset($subsetted)) {
$subsetted = false;
}
return get_defined_vars();
}
protected function _isascii($s)
{
// Test if string is ASCII
$nb = strlen($s);
for ($i=0;$i<$nb;$i++) {
if (ord($s[$i])>127) {
return false;
}
}
return true;
}
protected function _httpencode($param, $value, $isUTF8)
{
// Encode HTTP header field parameter
if ($this->_isascii($value)) {
return $param.'="'.$value.'"';
}
if (!$isUTF8) {
$value = utf8_encode($value);
}
if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE')!==false) {
return $param.'="'.rawurlencode($value).'"';
} else {
return $param."*=UTF-8''".rawurlencode($value);
}
}
protected 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 $res;
}
protected function _escape($s)
{
// Escape special characters
if (strpos($s, '(')!==false || strpos($s, ')')!==false || strpos($s, '\\')!==false || strpos($s, "\r")!==false) {
return str_replace(['\\','(',')',"\r"], ['\\\\','\\(','\\)','\\r'], $s);
} else {
return $s;
}
}
protected function _textstring($s)
{
// Format a text string
if (!$this->_isascii($s)) {
$s = $this->_UTF8toUTF16($s);
}
return '('.$this->_escape($s).')';
}
protected 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);
}
protected 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 ['w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data];
}
protected function _parsepng($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 $info;
}
protected function _parsepngstream($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) {
$trns = [ord(substr($t, 1, 1))];
} elseif ($ct==2) {
$trns = [ord(substr($t, 1, 1)), ord(substr($t, 3, 1)), ord(substr($t, 5, 1))];
} else {
$pos = strpos($t, chr(0));
if ($pos!==false) {
$trns = [$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);
}
$info = ['w'=>$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);
$this->WithAlpha = true;
if ($this->PDFVersion<'1.4') {
$this->PDFVersion = '1.4';
}
}
$info['data'] = $data;
return $info;
}
protected function _readstream($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 $res;
}
protected function _readint($f)
{
// Read a 4-byte integer from stream
$a = unpack('Ni', $this->_readstream($f, 4));
return $a['i'];
}
protected function _parsegif($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($im, 0);
ob_start();
imagepng($im);
$data = ob_get_clean();
imagedestroy($im);
$f = fopen('php://temp', 'rb+');
if (!$f) {
$this->Error('Unable to create memory stream');
}
fwrite($f, $data);
rewind($f);
$info = $this->_parsepngstream($f, $file);
fclose($f);
return $info;
}
protected function _out($s)
{
// Add a line to the document
if ($this->state==2) {
$this->pages[$this->page] .= $s."\n";
} elseif ($this->state==1) {
$this->_put($s);
} elseif ($this->state==0) {
$this->Error('No page has been added yet');
} elseif ($this->state==3) {
$this->Error('The document is closed');
}
}
protected function _put($s)
{
$this->buffer .= $s."\n";
}
protected function _getoffset()
{
return strlen($this->buffer);
}
protected function _newobj($n=null)
{
// Begin a new object
if ($n===null) {
$n = ++$this->n;
}
$this->offsets[$n] = $this->_getoffset();
$this->_put($n.' 0 obj');
}
protected function _putstream($data)
{
$this->_put('stream');
$this->_put($data);
$this->_put('endstream');
}
protected function _putstreamobject($data)
{
if ($this->compress) {
$entries = '/Filter /FlateDecode ';
$data = gzcompress($data);
} else {
$entries = '';
}
$entries .= '/Length '.strlen($data);
$this->_newobj();
$this->_put('<<'.$entries.'>>');
$this->_putstream($data);
$this->_put('endobj');
}
protected function _putpage($n)
{
$this->_newobj();
$this->_put('<</Type /Page');
$this->_put('/Parent 1 0 R');
if (isset($this->PageInfo[$n]['size'])) {
$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]', $this->PageInfo[$n]['size'][0], $this->PageInfo[$n]['size'][1]));
}
if (isset($this->PageInfo[$n]['rotation'])) {
$this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);
}
$this->_put('/Resources 2 0 R');
if (isset($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]];
if (isset($this->PageInfo[$l[0]]['size'])) {
$h = $this->PageInfo[$l[0]]['size'][1];
} else {
$h = ($this->DefOrientation=='P') ? $this->DefPageSize[1]*$this->k : $this->DefPageSize[0]*$this->k;
}
$annots .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>', $this->PageInfo[$l[0]]['n'], $h-$l[1]*$this->k);
}
}
$this->_put($annots.']');
}
if ($this->WithAlpha) {
$this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');
}
$this->_put('/Contents '.($this->n+1).' 0 R>>');
$this->_put('endobj');
// Page content
if (!empty($this->AliasNbPages)) {
$this->pages[$n] = str_replace($this->AliasNbPages, $this->page, $this->pages[$n]);
}
$this->_putstreamobject($this->pages[$n]);
}
protected function _putpages()
{
$nb = $this->page;
for ($n=1;$n<=$nb;$n++) {
$this->PageInfo[$n]['n'] = $this->n+1+2*($n-1);
}
for ($n=1;$n<=$nb;$n++) {
$this->_putpage($n);
}
// Pages root
$this->_newobj(1);
$this->_put('<</Type /Pages');
$kids = '/Kids [';
for ($n=1;$n<=$nb;$n++) {
$kids .= $this->PageInfo[$n]['n'].' 0 R ';
}
$this->_put($kids.']');
$this->_put('/Count '.$nb);
if ($this->DefOrientation=='P') {
$w = $this->DefPageSize[0];
$h = $this->DefPageSize[1];
} else {
$w = $this->DefPageSize[1];
$h = $this->DefPageSize[0];
}
$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]', $w*$this->k, $h*$this->k));
$this->_put('>>');
$this->_put('endobj');
}
protected function _putfonts()
{
foreach ($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']);
}
$this->_put('<</Length '.strlen($font));
if ($compressed) {
$this->_put('/Filter /FlateDecode');
}
$this->_put('/Length1 '.$info['length1']);
if (isset($info['length2'])) {
$this->_put('/Length2 '.$info['length2'].' /Length3 0');
}
$this->_put('>>');
$this->_putstream($font);
$this->_put('endobj');
}
foreach ($this->fonts as $k=>$font) {
// Encoding
if (isset($font['diff'])) {
if (!isset($this->encodings[$font['enc']])) {
$this->_newobj();
$this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');
$this->_put('endobj');
$this->encodings[$font['enc']] = $this->n;
}
}
// ToUnicode CMap
if (isset($font['uv'])) {
if (isset($font['enc'])) {
$cmapkey = $font['enc'];
} else {
$cmapkey = $font['name'];
}
if (!isset($this->cmaps[$cmapkey])) {
$cmap = $this->_tounicodecmap($font['uv']);
$this->_putstreamobject($cmap);
$this->cmaps[$cmapkey] = $this->n;
}
}
// Font object
$this->fonts[$k]['n'] = $this->n+1;
$type = $font['type'];
$name = $font['name'];
if ($font['subsetted']) {
$name = 'AAAAAA+'.$name;
}
if ($type=='Core') {
// Core font
$this->_newobj();
$this->_put('<</Type /Font');
$this->_put('/BaseFont /'.$name);
$this->_put('/Subtype /Type1');
if ($name!='Symbol' && $name!='ZapfDingbats') {
$this->_put('/Encoding /WinAnsiEncoding');
}
if (isset($font['uv'])) {
$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
}
$this->_put('>>');
$this->_put('endobj');
} elseif ($type=='Type1' || $type=='TrueType') {
// Additional Type1 or TrueType/OpenType font
$this->_newobj();
$this->_put('<</Type /Font');
$this->_put('/BaseFont /'.$name);
$this->_put('/Subtype /'.$type);
$this->_put('/FirstChar 32 /LastChar 255');
$this->_put('/Widths '.($this->n+1).' 0 R');
$this->_put('/FontDescriptor '.($this->n+2).' 0 R');
if (isset($font['diff'])) {
$this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');
} else {
$this->_put('/Encoding /WinAnsiEncoding');
}
if (isset($font['uv'])) {
$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
}
$this->_put('>>');
$this->_put('endobj');
// Widths
$this->_newobj();
$cw = &$font['cw'];
$s = '[';
for ($i=32;$i<=255;$i++) {
$s .= $cw[chr($i)].' ';
}
$this->_put($s.']');
$this->_put('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';
}
$this->_put($s.'>>');
$this->_put('endobj');
} else {
// Allow for additional types
$mtd = '_put'.strtolower($type);
if (!method_exists($this, $mtd)) {
$this->Error('Unsupported font type: '.$type);
}
$this->$mtd($font);
}
}
}
protected function _tounicodecmap($uv)
{
$ranges = '';
$nbr = 0;
$chars = '';
$nbc = 0;
foreach ($uv as $c=>$v) {
if (is_array($v)) {
$ranges .= sprintf("<%02X> <%02X> <%04X>\n", $c, $c+$v[1]-1, $v[0]);
$nbr++;
} else {
$chars .= sprintf("<%02X> <%04X>\n", $c, $v);
$nbc++;
}
}
$s = "/CIDInit /ProcSet findresource begin\n";
$s .= "12 dict begin\n";
$s .= "begincmap\n";
$s .= "/CIDSystemInfo\n";
$s .= "<</Registry (Adobe)\n";
$s .= "/Ordering (UCS)\n";
$s .= "/Supplement 0\n";
$s .= ">> def\n";
$s .= "/CMapName /Adobe-Identity-UCS def\n";
$s .= "/CMapType 2 def\n";
$s .= "1 begincodespacerange\n";
$s .= "<00> <FF>\n";
$s .= "endcodespacerange\n";
if ($nbr>0) {
$s .= "$nbr beginbfrange\n";
$s .= $ranges;
$s .= "endbfrange\n";
}
if ($nbc>0) {
$s .= "$nbc beginbfchar\n";
$s .= $chars;
$s .= "endbfchar\n";
}
$s .= "endcmap\n";
$s .= "CMapName currentdict /CMap defineresource pop\n";
$s .= "end\n";
$s .= "end";
return $s;
}
protected function _putimages()
{
foreach (array_keys($this->images) as $file) {
$this->_putimage($this->images[$file]);
unset($this->images[$file]['data']);
unset($this->images[$file]['smask']);
}
}
protected function _putimage(&$info)
{
$this->_newobj();
$info['n'] = $this->n;
$this->_put('<</Type /XObject');
$this->_put('/Subtype /Image');
$this->_put('/Width '.$info['w']);
$this->_put('/Height '.$info['h']);
if ($info['cs']=='Indexed') {
$this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
} else {
$this->_put('/ColorSpace /'.$info['cs']);
if ($info['cs']=='DeviceCMYK') {
$this->_put('/Decode [1 0 1 0 1 0 1 0]');
}
}
$this->_put('/BitsPerComponent '.$info['bpc']);
if (isset($info['f'])) {
$this->_put('/Filter /'.$info['f']);
}
if (isset($info['dp'])) {
$this->_put('/DecodeParms <<'.$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].' ';
}
$this->_put('/Mask ['.$trns.']');
}
if (isset($info['smask'])) {
$this->_put('/SMask '.($this->n+1).' 0 R');
}
$this->_put('/Length '.strlen($info['data']).'>>');
$this->_putstream($info['data']);
$this->_put('endobj');
// Soft mask
if (isset($info['smask'])) {
$dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];
$smask = ['w'=>$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') {
$this->_putstreamobject($info['pal']);
}
}
protected function _putxobjectdict()
{
foreach ($this->images as $image) {
$this->_put('/I'.$image['i'].' '.$image['n'].' 0 R');
}
}
protected function _putresourcedict()
{
$this->_put('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
$this->_put('/Font <<');
foreach ($this->fonts as $font) {
$this->_put('/F'.$font['i'].' '.$font['n'].' 0 R');
}
$this->_put('>>');
$this->_put('/XObject <<');
$this->_putxobjectdict();
$this->_put('>>');
}
protected function _putresources()
{
$this->_putfonts();
$this->_putimages();
// Resource dictionary
$this->_newobj(2);
$this->_put('<<');
$this->_putresourcedict();
$this->_put('>>');
$this->_put('endobj');
}
protected function _putinfo()
{
$this->metadata['Producer'] = 'FPDF '.FPDF_VERSION;
$this->metadata['CreationDate'] = 'D:'.@date('YmdHis');
foreach ($this->metadata as $key=>$value) {
$this->_put('/'.$key.' '.$this->_textstring($value));
}
}
protected function _putcatalog()
{
$n = $this->PageInfo[1]['n'];
$this->_put('/Type /Catalog');
$this->_put('/Pages 1 0 R');
if ($this->ZoomMode=='fullpage') {
$this->_put('/OpenAction ['.$n.' 0 R /Fit]');
} elseif ($this->ZoomMode=='fullwidth') {
$this->_put('/OpenAction ['.$n.' 0 R /FitH null]');
} elseif ($this->ZoomMode=='real') {
$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');
} elseif (!is_string($this->ZoomMode)) {
$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F', $this->ZoomMode/100).']');
}
if ($this->LayoutMode=='single') {
$this->_put('/PageLayout /SinglePage');
} elseif ($this->LayoutMode=='continuous') {
$this->_put('/PageLayout /OneColumn');
} elseif ($this->LayoutMode=='two') {
$this->_put('/PageLayout /TwoColumnLeft');
}
}
protected function _putheader()
{
$this->_put('%PDF-'.$this->PDFVersion);
}
protected function _puttrailer()
{
$this->_put('/Size '.($this->n+1));
$this->_put('/Root '.$this->n.' 0 R');
$this->_put('/Info '.($this->n-1).' 0 R');
}
protected function _enddoc()
{
$this->_putheader();
$this->_putpages();
$this->_putresources();
// Info
$this->_newobj();
$this->_put('<<');
$this->_putinfo();
$this->_put('>>');
$this->_put('endobj');
// Catalog
$this->_newobj();
$this->_put('<<');
$this->_putcatalog();
$this->_put('>>');
$this->_put('endobj');
// Cross-ref
$offset = $this->_getoffset();
$this->_put('xref');
$this->_put('0 '.($this->n+1));
$this->_put('0000000000 65535 f ');
for ($i=1;$i<=$this->n;$i++) {
$this->_put(sprintf('%010d 00000 n ', $this->offsets[$i]));
}
// Trailer
$this->_put('trailer');
$this->_put('<<');
$this->_puttrailer();
$this->_put('>>');
$this->_put('startxref');
$this->_put($offset);
$this->_put('%%EOF');
$this->state = 3;
}
}