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1935 lines
50 KiB
1935 lines
50 KiB
<?php |
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/******************************************************************************* |
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* FPDF * |
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* * |
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* Version: 1.85 * |
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* Date: 2022-11-10 * |
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* Author: Olivier PLATHEY * |
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*******************************************************************************/ |
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class FPDF |
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{ |
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const VERSION = '1.85'; |
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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 $iconv; // whether iconv is available |
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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 $CreationDate; // document creation date |
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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', $size='A4') |
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{ |
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// Initialization of properties |
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$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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$this->iconv = function_exists('iconv'); |
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// Font path |
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if(defined('FPDF_FONTPATH')) |
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{ |
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$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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$this->SetCompression(true); |
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// Metadata |
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$this->metadata = array('Producer'=>'FPDF '.self::VERSION); |
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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 : $this->_UTF8encode($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 : $this->_UTF8encode($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 : $this->_UTF8encode($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 : $this->_UTF8encode($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 : $this->_UTF8encode($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($s) |
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{ |
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// Get width of a string in the current font |
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$cw = $this->CurrentFont['cw']; |
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$w = 0; |
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$s = (string)$s; |
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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 = $style; |
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$this->FontSizePt = $size; |
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$this->FontSize = $size/$this->k; |
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$this->CurrentFont = $this->fonts[$fontkey]; |
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if($this->page>0) |
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$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt)); |
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} |
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function SetFontSize($size) |
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{ |
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// Set font size in points |
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if($this->FontSizePt==$size) |
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return; |
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$this->FontSizePt = $size; |
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$this->FontSize = $size/$this->k; |
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if($this->page>0 && isset($this->CurrentFont)) |
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$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt)); |
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} |
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function AddLink() |
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{ |
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// Create a new internal link |
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$n = count($this->links)+1; |
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$this->links[$n] = array(0, 0); |
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return $n; |
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} |
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function SetLink($link, $y=0, $page=-1) |
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{ |
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// Set destination of internal link |
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if($y==-1) |
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$y = $this->y; |
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if($page==-1) |
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$page = $this->page; |
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$this->links[$link] = array($page, $y); |
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} |
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function Link($x, $y, $w, $h, $link) |
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{ |
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// Put a link on the page |
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$this->PageLinks[$this->page][] = array($x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link); |
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} |
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function Text($x, $y, $txt) |
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{ |
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// Output a string |
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if(!isset($this->CurrentFont)) |
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$this->Error('No font has been set'); |
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$txt = (string)$txt; |
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$s = sprintf('BT %.2F %.2F Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt)); |
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if($this->underline && $txt!=='') |
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$s .= ' '.$this->_dounderline($x,$y,$txt); |
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if($this->ColorFlag) |
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$s = 'q '.$this->TextColor.' '.$s.' Q'; |
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$this->_out($s); |
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} |
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function AcceptPageBreak() |
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{ |
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// Accept automatic page break or not |
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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); |
|
} |
|
$txt = (string)$txt; |
|
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; |
|
$s = str_replace("\r",'',(string)$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; |
|
$s = str_replace("\r",'',(string)$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 |
|
$this->_checkoutput(); |
|
header('Content-Type: application/pdf'); |
|
header('Content-Disposition: attachment; '.$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 _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] = ''; |
|
$this->PageLinks[$this->page] = array(); |
|
$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); |
|
$this->PageInfo[$this->page]['rotation'] = $rotation; |
|
} |
|
$this->CurRotation = $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 = $this->_UTF8encode($value); |
|
return $param."*=UTF-8''".rawurlencode($value); |
|
} |
|
|
|
protected function _UTF8encode($s) |
|
{ |
|
// Convert ISO-8859-1 to UTF-8 |
|
if($this->iconv) |
|
return iconv('ISO-8859-1','UTF-8',$s); |
|
$res = ''; |
|
$nb = strlen($s); |
|
for($i=0;$i<$nb;$i++) |
|
{ |
|
$c = $s[$i]; |
|
$v = ord($c); |
|
if($v>=128) |
|
{ |
|
$res .= chr(0xC0 | ($v >> 6)); |
|
$res .= chr(0x80 | ($v & 0x3F)); |
|
} |
|
else |
|
$res .= $c; |
|
} |
|
return $res; |
|
} |
|
|
|
protected function _UTF8toUTF16($s) |
|
{ |
|
// Convert UTF-8 to UTF-16BE with BOM |
|
$res = "\xFE\xFF"; |
|
if($this->iconv) |
|
return $res.iconv('UTF-8','UTF-16BE',$s); |
|
$nb = strlen($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 current page |
|
if($this->state==2) |
|
$this->pages[$this->page] .= $s."\n"; |
|
elseif($this->state==0) |
|
$this->Error('No page has been added yet'); |
|
elseif($this->state==1) |
|
$this->Error('Invalid call'); |
|
elseif($this->state==3) |
|
$this->Error('The document is closed'); |
|
} |
|
|
|
protected function _put($s) |
|
{ |
|
// Add a line to the document |
|
$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); |
|
$this->_put('endobj'); |
|
} |
|
|
|
protected function _putlinks($n) |
|
{ |
|
foreach($this->PageLinks[$n] as $pl) |
|
{ |
|
$this->_newobj(); |
|
$rect = sprintf('%.2F %.2F %.2F %.2F',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]); |
|
$s = '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] '; |
|
if(is_string($pl[4])) |
|
$s .= '/A <</S /URI /URI '.$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; |
|
$s .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>',$this->PageInfo[$l[0]]['n'],$h-$l[1]*$this->k); |
|
} |
|
$this->_put($s); |
|
$this->_put('endobj'); |
|
} |
|
} |
|
|
|
protected function _putpage($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']); |
|
$this->_put('/Resources 2 0 R'); |
|
if(!empty($this->PageLinks[$n])) |
|
{ |
|
$s = '/Annots ['; |
|
foreach($this->PageLinks[$n] as $pl) |
|
$s .= $pl[5].' 0 R '; |
|
$s .= ']'; |
|
$this->_put($s); |
|
} |
|
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]); |
|
// Link annotations |
|
$this->_putlinks($n); |
|
} |
|
|
|
protected function _putpages() |
|
{ |
|
$nb = $this->page; |
|
$n = $this->n; |
|
for($i=1;$i<=$nb;$i++) |
|
{ |
|
$this->PageInfo[$i]['n'] = ++$n; |
|
$n++; |
|
foreach($this->PageLinks[$i] as &$pl) |
|
$pl[5] = ++$n; |
|
unset($pl); |
|
} |
|
for($i=1;$i<=$nb;$i++) |
|
$this->_putpage($i); |
|
// Pages root |
|
$this->_newobj(1); |
|
$this->_put('<</Type /Pages'); |
|
$kids = '/Kids ['; |
|
for($i=1;$i<=$nb;$i++) |
|
$kids .= $this->PageInfo[$i]['n'].' 0 R '; |
|
$kids .= ']'; |
|
$this->_put($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() |
|
{ |
|
$date = @date('YmdHisO', $this->CreationDate); |
|
$this->metadata['CreationDate'] = 'D:'.substr($date,0,-2)."'".substr($date,-2)."'"; |
|
foreach($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; |
|
$this->CreationDate = time(); |
|
} |
|
} |
|
?>
|
|
|