mirror of
https://github.com/janunger/rheinwerk-video-training.git
synced 2024-11-22 23:23:42 +01:00
1899 lines
47 KiB
PHP
Executable File
1899 lines
47 KiB
PHP
Executable File
<?php
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/*******************************************************************************
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* FPDF *
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* *
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* Version: 1.81 *
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* Date: 2015-12-20 *
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* Author: Olivier PLATHEY *
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*******************************************************************************/
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define('FPDF_VERSION','1.81');
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class FPDF
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{
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protected $page; // current page number
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protected $n; // current object number
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protected $offsets; // array of object offsets
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protected $buffer; // buffer holding in-memory PDF
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protected $pages; // array containing pages
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protected $state; // current document state
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protected $compress; // compression flag
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protected $k; // scale factor (number of points in user unit)
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protected $DefOrientation; // default orientation
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protected $CurOrientation; // current orientation
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protected $StdPageSizes; // standard page sizes
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protected $DefPageSize; // default page size
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protected $CurPageSize; // current page size
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protected $CurRotation; // current page rotation
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protected $PageInfo; // page-related data
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protected $wPt, $hPt; // dimensions of current page in points
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protected $w, $h; // dimensions of current page in user unit
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protected $lMargin; // left margin
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protected $tMargin; // top margin
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protected $rMargin; // right margin
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protected $bMargin; // page break margin
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protected $cMargin; // cell margin
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protected $x, $y; // current position in user unit
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protected $lasth; // height of last printed cell
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protected $LineWidth; // line width in user unit
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protected $fontpath; // path containing fonts
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protected $CoreFonts; // array of core font names
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protected $fonts; // array of used fonts
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protected $FontFiles; // array of font files
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protected $encodings; // array of encodings
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protected $cmaps; // array of ToUnicode CMaps
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protected $FontFamily; // current font family
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protected $FontStyle; // current font style
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protected $underline; // underlining flag
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protected $CurrentFont; // current font info
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protected $FontSizePt; // current font size in points
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protected $FontSize; // current font size in user unit
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protected $DrawColor; // commands for drawing color
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protected $FillColor; // commands for filling color
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protected $TextColor; // commands for text color
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protected $ColorFlag; // indicates whether fill and text colors are different
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protected $WithAlpha; // indicates whether alpha channel is used
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protected $ws; // word spacing
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protected $images; // array of used images
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protected $PageLinks; // array of links in pages
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protected $links; // array of internal links
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protected $AutoPageBreak; // automatic page breaking
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protected $PageBreakTrigger; // threshold used to trigger page breaks
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protected $InHeader; // flag set when processing header
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protected $InFooter; // flag set when processing footer
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protected $AliasNbPages; // alias for total number of pages
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protected $ZoomMode; // zoom display mode
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protected $LayoutMode; // layout display mode
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protected $metadata; // document properties
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protected $PDFVersion; // PDF version number
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/*******************************************************************************
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* Public methods *
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*******************************************************************************/
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function __construct($orientation='P', $unit='mm', $size='A4')
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{
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// Some checks
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$this->_dochecks();
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// Initialization of properties
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$this->state = 0;
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$this->page = 0;
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$this->n = 2;
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$this->buffer = '';
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$this->pages = array();
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$this->PageInfo = array();
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$this->fonts = array();
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$this->FontFiles = array();
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$this->encodings = array();
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$this->cmaps = array();
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$this->images = array();
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$this->links = array();
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$this->InHeader = false;
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$this->InFooter = false;
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$this->lasth = 0;
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$this->FontFamily = '';
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$this->FontStyle = '';
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$this->FontSizePt = 12;
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$this->underline = false;
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$this->DrawColor = '0 G';
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$this->FillColor = '0 g';
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$this->TextColor = '0 g';
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$this->ColorFlag = false;
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$this->WithAlpha = false;
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$this->ws = 0;
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// Font path
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if(defined('FPDF_FONTPATH'))
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{
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$this->fontpath = FPDF_FONTPATH;
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if(substr($this->fontpath,-1)!='/' && substr($this->fontpath,-1)!='\\')
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$this->fontpath .= '/';
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}
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elseif(is_dir(dirname(__FILE__).'/font'))
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$this->fontpath = dirname(__FILE__).'/font/';
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else
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$this->fontpath = '';
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// Core fonts
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$this->CoreFonts = array('courier', 'helvetica', 'times', 'symbol', 'zapfdingbats');
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// Scale factor
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if($unit=='pt')
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$this->k = 1;
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elseif($unit=='mm')
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$this->k = 72/25.4;
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elseif($unit=='cm')
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$this->k = 72/2.54;
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elseif($unit=='in')
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$this->k = 72;
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else
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$this->Error('Incorrect unit: '.$unit);
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// Page sizes
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$this->StdPageSizes = array('a3'=>array(841.89,1190.55), 'a4'=>array(595.28,841.89), 'a5'=>array(420.94,595.28),
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'letter'=>array(612,792), 'legal'=>array(612,1008));
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$size = $this->_getpagesize($size);
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$this->DefPageSize = $size;
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$this->CurPageSize = $size;
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// Page orientation
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$orientation = strtolower($orientation);
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if($orientation=='p' || $orientation=='portrait')
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{
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$this->DefOrientation = 'P';
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$this->w = $size[0];
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$this->h = $size[1];
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}
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elseif($orientation=='l' || $orientation=='landscape')
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{
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$this->DefOrientation = 'L';
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$this->w = $size[1];
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$this->h = $size[0];
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}
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else
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$this->Error('Incorrect orientation: '.$orientation);
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$this->CurOrientation = $this->DefOrientation;
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$this->wPt = $this->w*$this->k;
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$this->hPt = $this->h*$this->k;
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// Page rotation
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$this->CurRotation = 0;
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// Page margins (1 cm)
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$margin = 28.35/$this->k;
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$this->SetMargins($margin,$margin);
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// Interior cell margin (1 mm)
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$this->cMargin = $margin/10;
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// Line width (0.2 mm)
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$this->LineWidth = .567/$this->k;
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// Automatic page break
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$this->SetAutoPageBreak(true,2*$margin);
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// Default display mode
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$this->SetDisplayMode('default');
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// Enable compression
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$this->SetCompression(true);
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// Set default PDF version number
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$this->PDFVersion = '1.3';
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}
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function SetMargins($left, $top, $right=null)
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{
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// Set left, top and right margins
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$this->lMargin = $left;
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$this->tMargin = $top;
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if($right===null)
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$right = $left;
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$this->rMargin = $right;
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}
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function SetLeftMargin($margin)
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{
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// Set left margin
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$this->lMargin = $margin;
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if($this->page>0 && $this->x<$margin)
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$this->x = $margin;
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}
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function SetTopMargin($margin)
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{
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// Set top margin
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$this->tMargin = $margin;
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}
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function SetRightMargin($margin)
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{
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// Set right margin
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$this->rMargin = $margin;
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}
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function SetAutoPageBreak($auto, $margin=0)
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{
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// Set auto page break mode and triggering margin
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$this->AutoPageBreak = $auto;
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$this->bMargin = $margin;
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$this->PageBreakTrigger = $this->h-$margin;
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}
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function SetDisplayMode($zoom, $layout='default')
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{
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// Set display mode in viewer
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if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
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$this->ZoomMode = $zoom;
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else
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$this->Error('Incorrect zoom display mode: '.$zoom);
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if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
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$this->LayoutMode = $layout;
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else
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$this->Error('Incorrect layout display mode: '.$layout);
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}
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function SetCompression($compress)
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{
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// Set page compression
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if(function_exists('gzcompress'))
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$this->compress = $compress;
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else
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$this->compress = false;
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}
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function SetTitle($title, $isUTF8=false)
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{
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// Title of document
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$this->metadata['Title'] = $isUTF8 ? $title : utf8_encode($title);
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}
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function SetAuthor($author, $isUTF8=false)
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{
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// Author of document
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$this->metadata['Author'] = $isUTF8 ? $author : utf8_encode($author);
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}
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function SetSubject($subject, $isUTF8=false)
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{
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// Subject of document
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$this->metadata['Subject'] = $isUTF8 ? $subject : utf8_encode($subject);
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}
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function SetKeywords($keywords, $isUTF8=false)
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{
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// Keywords of document
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$this->metadata['Keywords'] = $isUTF8 ? $keywords : utf8_encode($keywords);
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}
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function SetCreator($creator, $isUTF8=false)
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{
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// Creator of document
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$this->metadata['Creator'] = $isUTF8 ? $creator : utf8_encode($creator);
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}
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function AliasNbPages($alias='{nb}')
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{
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// Define an alias for total number of pages
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$this->AliasNbPages = $alias;
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}
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function Error($msg)
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{
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// Fatal error
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throw new Exception('FPDF error: '.$msg);
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}
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function Close()
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{
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// Terminate document
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if($this->state==3)
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return;
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if($this->page==0)
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$this->AddPage();
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// Page footer
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$this->InFooter = true;
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$this->Footer();
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$this->InFooter = false;
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// Close page
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$this->_endpage();
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// Close document
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$this->_enddoc();
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}
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function AddPage($orientation='', $size='', $rotation=0)
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{
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// Start a new page
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if($this->state==3)
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$this->Error('The document is closed');
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$family = $this->FontFamily;
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$style = $this->FontStyle.($this->underline ? 'U' : '');
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$fontsize = $this->FontSizePt;
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$lw = $this->LineWidth;
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$dc = $this->DrawColor;
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$fc = $this->FillColor;
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$tc = $this->TextColor;
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$cf = $this->ColorFlag;
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if($this->page>0)
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{
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// Page footer
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$this->InFooter = true;
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$this->Footer();
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$this->InFooter = false;
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// Close page
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$this->_endpage();
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}
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// Start new page
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$this->_beginpage($orientation,$size,$rotation);
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// Set line cap style to square
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$this->_out('2 J');
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// Set line width
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$this->LineWidth = $lw;
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$this->_out(sprintf('%.2F w',$lw*$this->k));
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// Set font
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if($family)
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$this->SetFont($family,$style,$fontsize);
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// Set colors
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$this->DrawColor = $dc;
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if($dc!='0 G')
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$this->_out($dc);
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$this->FillColor = $fc;
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if($fc!='0 g')
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$this->_out($fc);
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$this->TextColor = $tc;
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$this->ColorFlag = $cf;
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// Page header
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$this->InHeader = true;
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$this->Header();
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$this->InHeader = false;
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// Restore line width
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if($this->LineWidth!=$lw)
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{
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$this->LineWidth = $lw;
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$this->_out(sprintf('%.2F w',$lw*$this->k));
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}
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// Restore font
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if($family)
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$this->SetFont($family,$style,$fontsize);
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// Restore colors
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if($this->DrawColor!=$dc)
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{
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$this->DrawColor = $dc;
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$this->_out($dc);
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}
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if($this->FillColor!=$fc)
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{
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$this->FillColor = $fc;
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$this->_out($fc);
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}
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$this->TextColor = $tc;
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$this->ColorFlag = $cf;
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}
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function Header()
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{
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// To be implemented in your own inherited class
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}
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function Footer()
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{
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// To be implemented in your own inherited class
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}
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function PageNo()
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{
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// Get current page number
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return $this->page;
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}
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function SetDrawColor($r, $g=null, $b=null)
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{
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// Set color for all stroking operations
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if(($r==0 && $g==0 && $b==0) || $g===null)
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$this->DrawColor = sprintf('%.3F G',$r/255);
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else
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$this->DrawColor = sprintf('%.3F %.3F %.3F RG',$r/255,$g/255,$b/255);
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if($this->page>0)
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$this->_out($this->DrawColor);
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}
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function SetFillColor($r, $g=null, $b=null)
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{
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// Set color for all filling operations
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if(($r==0 && $g==0 && $b==0) || $g===null)
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$this->FillColor = sprintf('%.3F g',$r/255);
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else
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$this->FillColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
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$this->ColorFlag = ($this->FillColor!=$this->TextColor);
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if($this->page>0)
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$this->_out($this->FillColor);
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}
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function SetTextColor($r, $g=null, $b=null)
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{
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// Set color for text
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if(($r==0 && $g==0 && $b==0) || $g===null)
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$this->TextColor = sprintf('%.3F g',$r/255);
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else
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$this->TextColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
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$this->ColorFlag = ($this->FillColor!=$this->TextColor);
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}
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function GetStringWidth($s)
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{
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// Get width of a string in the current font
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$s = (string)$s;
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$cw = &$this->CurrentFont['cw'];
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$w = 0;
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$l = strlen($s);
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for($i=0;$i<$l;$i++)
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$w += $cw[$s[$i]];
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return $w*$this->FontSize/1000;
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}
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function SetLineWidth($width)
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{
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// Set line width
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$this->LineWidth = $width;
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if($this->page>0)
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$this->_out(sprintf('%.2F w',$width*$this->k));
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}
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function Line($x1, $y1, $x2, $y2)
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{
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// Draw a line
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$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));
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}
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function Rect($x, $y, $w, $h, $style='')
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{
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// Draw a rectangle
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if($style=='F')
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$op = 'f';
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elseif($style=='FD' || $style=='DF')
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$op = 'B';
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else
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$op = 'S';
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$this->_out(sprintf('%.2F %.2F %.2F %.2F re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op));
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}
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function AddFont($family, $style='', $file='')
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{
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// Add a TrueType, OpenType or Type1 font
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$family = strtolower($family);
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if($file=='')
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$file = str_replace(' ','',$family).strtolower($style).'.php';
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$style = strtoupper($style);
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if($style=='IB')
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$style = 'BI';
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$fontkey = $family.$style;
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if(isset($this->fonts[$fontkey]))
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return;
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$info = $this->_loadfont($file);
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$info['i'] = count($this->fonts)+1;
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if(!empty($info['file']))
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{
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// Embedded font
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if($info['type']=='TrueType')
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$this->FontFiles[$info['file']] = array('length1'=>$info['originalsize']);
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else
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$this->FontFiles[$info['file']] = array('length1'=>$info['size1'], 'length2'=>$info['size2']);
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}
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$this->fonts[$fontkey] = $info;
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}
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function SetFont($family, $style='', $size=0)
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{
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// Select a font; size given in points
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if($family=='')
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$family = $this->FontFamily;
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else
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$family = strtolower($family);
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$style = strtoupper($style);
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if(strpos($style,'U')!==false)
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{
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$this->underline = true;
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$style = str_replace('U','',$style);
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}
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else
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$this->underline = false;
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if($style=='IB')
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$style = 'BI';
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if($size==0)
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$size = $this->FontSizePt;
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// Test if font is already selected
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if($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size)
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return;
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// Test if font is already loaded
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$fontkey = $family.$style;
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if(!isset($this->fonts[$fontkey]))
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{
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// Test if one of the core fonts
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if($family=='arial')
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$family = 'helvetica';
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if(in_array($family,$this->CoreFonts))
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{
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if($family=='symbol' || $family=='zapfdingbats')
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$style = '';
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$fontkey = $family.$style;
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if(!isset($this->fonts[$fontkey]))
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$this->AddFont($family,$style);
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}
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else
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$this->Error('Undefined font: '.$family.' '.$style);
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}
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// Select it
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$this->FontFamily = $family;
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$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, $txt)
|
|
{
|
|
// Output a string
|
|
if(!isset($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);
|
|
}
|
|
|
|
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->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 += $w;
|
|
}
|
|
|
|
function MultiCell($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 = $this->lMargin;
|
|
}
|
|
|
|
function Write($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,$link);
|
|
}
|
|
|
|
function Ln($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 += $h;
|
|
}
|
|
|
|
function Image($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);
|
|
}
|
|
|
|
function GetPageWidth()
|
|
{
|
|
// Get current page width
|
|
return $this->w;
|
|
}
|
|
|
|
function GetPageHeight()
|
|
{
|
|
// Get current page height
|
|
return $this->h;
|
|
}
|
|
|
|
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, $resetX=true)
|
|
{
|
|
// Set y position and optionally reset x
|
|
if($y>=0)
|
|
$this->y = $y;
|
|
else
|
|
$this->y = $this->h+$y;
|
|
if($resetX)
|
|
$this->x = $this->lMargin;
|
|
}
|
|
|
|
function SetXY($x, $y)
|
|
{
|
|
// Set x and y positions
|
|
$this->SetX($x);
|
|
$this->SetY($y,false);
|
|
}
|
|
|
|
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 array($a[0]/$this->k, $a[1]/$this->k);
|
|
}
|
|
else
|
|
{
|
|
if($size[0]>$size[1])
|
|
return array($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'] = array($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(array('\\','(',')',"\r"), array('\\\\','\\(','\\)','\\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 array('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)
|
|
$trns = array(ord(substr($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);
|
|
$this->WithAlpha = true;
|
|
if($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'];
|
|
$smask = array('w'=>$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')
|
|
$this->_putstreamobject($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;
|
|
}
|
|
}
|
|
?>
|