fpdf.php 48 KB

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  1. <?php
  2. /*******************************************************************************
  3. * FPDF *
  4. * *
  5. * Version: 1.86 *
  6. * Date: 2023-06-25 *
  7. * Author: Olivier PLATHEY *
  8. *******************************************************************************/
  9. class FPDF
  10. {
  11. const VERSION = '1.86';
  12. protected $page; // current page number
  13. protected $n; // current object number
  14. protected $offsets; // array of object offsets
  15. protected $buffer; // buffer holding in-memory PDF
  16. protected $pages; // array containing pages
  17. protected $state; // current document state
  18. protected $compress; // compression flag
  19. protected $iconv; // whether iconv is available
  20. protected $k; // scale factor (number of points in user unit)
  21. protected $DefOrientation; // default orientation
  22. protected $CurOrientation; // current orientation
  23. protected $StdPageSizes; // standard page sizes
  24. protected $DefPageSize; // default page size
  25. protected $CurPageSize; // current page size
  26. protected $CurRotation; // current page rotation
  27. protected $PageInfo; // page-related data
  28. protected $wPt, $hPt; // dimensions of current page in points
  29. protected $w, $h; // dimensions of current page in user unit
  30. protected $lMargin; // left margin
  31. protected $tMargin; // top margin
  32. protected $rMargin; // right margin
  33. protected $bMargin; // page break margin
  34. protected $cMargin; // cell margin
  35. protected $x, $y; // current position in user unit
  36. protected $lasth; // height of last printed cell
  37. protected $LineWidth; // line width in user unit
  38. protected $fontpath; // directory containing fonts
  39. protected $CoreFonts; // array of core font names
  40. protected $fonts; // array of used fonts
  41. protected $FontFiles; // array of font files
  42. protected $encodings; // array of encodings
  43. protected $cmaps; // array of ToUnicode CMaps
  44. protected $FontFamily; // current font family
  45. protected $FontStyle; // current font style
  46. protected $underline; // underlining flag
  47. protected $CurrentFont; // current font info
  48. protected $FontSizePt; // current font size in points
  49. protected $FontSize; // current font size in user unit
  50. protected $DrawColor; // commands for drawing color
  51. protected $FillColor; // commands for filling color
  52. protected $TextColor; // commands for text color
  53. protected $ColorFlag; // indicates whether fill and text colors are different
  54. protected $WithAlpha; // indicates whether alpha channel is used
  55. protected $ws; // word spacing
  56. protected $images; // array of used images
  57. protected $PageLinks; // array of links in pages
  58. protected $links; // array of internal links
  59. protected $AutoPageBreak; // automatic page breaking
  60. protected $PageBreakTrigger; // threshold used to trigger page breaks
  61. protected $InHeader; // flag set when processing header
  62. protected $InFooter; // flag set when processing footer
  63. protected $AliasNbPages; // alias for total number of pages
  64. protected $ZoomMode; // zoom display mode
  65. protected $LayoutMode; // layout display mode
  66. protected $metadata; // document properties
  67. protected $CreationDate; // document creation date
  68. protected $PDFVersion; // PDF version number
  69. /*******************************************************************************
  70. * Public methods *
  71. *******************************************************************************/
  72. function __construct($orientation='P', $unit='mm', $size='A4')
  73. {
  74. // Initialization of properties
  75. $this->state = 0;
  76. $this->page = 0;
  77. $this->n = 2;
  78. $this->buffer = '';
  79. $this->pages = array();
  80. $this->PageInfo = array();
  81. $this->fonts = array();
  82. $this->FontFiles = array();
  83. $this->encodings = array();
  84. $this->cmaps = array();
  85. $this->images = array();
  86. $this->links = array();
  87. $this->InHeader = false;
  88. $this->InFooter = false;
  89. $this->lasth = 0;
  90. $this->FontFamily = '';
  91. $this->FontStyle = '';
  92. $this->FontSizePt = 12;
  93. $this->underline = false;
  94. $this->DrawColor = '0 G';
  95. $this->FillColor = '0 g';
  96. $this->TextColor = '0 g';
  97. $this->ColorFlag = false;
  98. $this->WithAlpha = false;
  99. $this->ws = 0;
  100. $this->iconv = function_exists('iconv');
  101. // Font path
  102. if(defined('FPDF_FONTPATH'))
  103. $this->fontpath = FPDF_FONTPATH;
  104. else
  105. $this->fontpath = dirname(__FILE__).'/font/';
  106. // Core fonts
  107. $this->CoreFonts = array('courier', 'helvetica', 'times', 'symbol', 'zapfdingbats');
  108. // Scale factor
  109. if($unit=='pt')
  110. $this->k = 1;
  111. elseif($unit=='mm')
  112. $this->k = 72/25.4;
  113. elseif($unit=='cm')
  114. $this->k = 72/2.54;
  115. elseif($unit=='in')
  116. $this->k = 72;
  117. else
  118. $this->Error('Incorrect unit: '.$unit);
  119. // Page sizes
  120. $this->StdPageSizes = array('a3'=>array(841.89,1190.55), 'a4'=>array(595.28,841.89), 'a5'=>array(420.94,595.28),
  121. 'letter'=>array(612,792), 'legal'=>array(612,1008));
  122. $size = $this->_getpagesize($size);
  123. $this->DefPageSize = $size;
  124. $this->CurPageSize = $size;
  125. // Page orientation
  126. $orientation = strtolower($orientation);
  127. if($orientation=='p' || $orientation=='portrait')
  128. {
  129. $this->DefOrientation = 'P';
  130. $this->w = $size[0];
  131. $this->h = $size[1];
  132. }
  133. elseif($orientation=='l' || $orientation=='landscape')
  134. {
  135. $this->DefOrientation = 'L';
  136. $this->w = $size[1];
  137. $this->h = $size[0];
  138. }
  139. else
  140. $this->Error('Incorrect orientation: '.$orientation);
  141. $this->CurOrientation = $this->DefOrientation;
  142. $this->wPt = $this->w*$this->k;
  143. $this->hPt = $this->h*$this->k;
  144. // Page rotation
  145. $this->CurRotation = 0;
  146. // Page margins (1 cm)
  147. $margin = 28.35/$this->k;
  148. $this->SetMargins($margin,$margin);
  149. // Interior cell margin (1 mm)
  150. $this->cMargin = $margin/10;
  151. // Line width (0.2 mm)
  152. $this->LineWidth = .567/$this->k;
  153. // Automatic page break
  154. $this->SetAutoPageBreak(true,2*$margin);
  155. // Default display mode
  156. $this->SetDisplayMode('default');
  157. // Enable compression
  158. $this->SetCompression(true);
  159. // Metadata
  160. $this->metadata = array('Producer'=>'FPDF '.self::VERSION);
  161. // Set default PDF version number
  162. $this->PDFVersion = '1.3';
  163. }
  164. function SetMargins($left, $top, $right=null)
  165. {
  166. // Set left, top and right margins
  167. $this->lMargin = $left;
  168. $this->tMargin = $top;
  169. if($right===null)
  170. $right = $left;
  171. $this->rMargin = $right;
  172. }
  173. function SetLeftMargin($margin)
  174. {
  175. // Set left margin
  176. $this->lMargin = $margin;
  177. if($this->page>0 && $this->x<$margin)
  178. $this->x = $margin;
  179. }
  180. function SetTopMargin($margin)
  181. {
  182. // Set top margin
  183. $this->tMargin = $margin;
  184. }
  185. function SetRightMargin($margin)
  186. {
  187. // Set right margin
  188. $this->rMargin = $margin;
  189. }
  190. function SetAutoPageBreak($auto, $margin=0)
  191. {
  192. // Set auto page break mode and triggering margin
  193. $this->AutoPageBreak = $auto;
  194. $this->bMargin = $margin;
  195. $this->PageBreakTrigger = $this->h-$margin;
  196. }
  197. function SetDisplayMode($zoom, $layout='default')
  198. {
  199. // Set display mode in viewer
  200. if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
  201. $this->ZoomMode = $zoom;
  202. else
  203. $this->Error('Incorrect zoom display mode: '.$zoom);
  204. if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
  205. $this->LayoutMode = $layout;
  206. else
  207. $this->Error('Incorrect layout display mode: '.$layout);
  208. }
  209. function SetCompression($compress)
  210. {
  211. // Set page compression
  212. if(function_exists('gzcompress'))
  213. $this->compress = $compress;
  214. else
  215. $this->compress = false;
  216. }
  217. function SetTitle($title, $isUTF8=false)
  218. {
  219. // Title of document
  220. $this->metadata['Title'] = $isUTF8 ? $title : $this->_UTF8encode($title);
  221. }
  222. function SetAuthor($author, $isUTF8=false)
  223. {
  224. // Author of document
  225. $this->metadata['Author'] = $isUTF8 ? $author : $this->_UTF8encode($author);
  226. }
  227. function SetSubject($subject, $isUTF8=false)
  228. {
  229. // Subject of document
  230. $this->metadata['Subject'] = $isUTF8 ? $subject : $this->_UTF8encode($subject);
  231. }
  232. function SetKeywords($keywords, $isUTF8=false)
  233. {
  234. // Keywords of document
  235. $this->metadata['Keywords'] = $isUTF8 ? $keywords : $this->_UTF8encode($keywords);
  236. }
  237. function SetCreator($creator, $isUTF8=false)
  238. {
  239. // Creator of document
  240. $this->metadata['Creator'] = $isUTF8 ? $creator : $this->_UTF8encode($creator);
  241. }
  242. function AliasNbPages($alias='{nb}')
  243. {
  244. // Define an alias for total number of pages
  245. $this->AliasNbPages = $alias;
  246. }
  247. function Error($msg)
  248. {
  249. // Fatal error
  250. throw new Exception('FPDF error: '.$msg);
  251. }
  252. function Close()
  253. {
  254. // Terminate document
  255. if($this->state==3)
  256. return;
  257. if($this->page==0)
  258. $this->AddPage();
  259. // Page footer
  260. $this->InFooter = true;
  261. $this->Footer();
  262. $this->InFooter = false;
  263. // Close page
  264. $this->_endpage();
  265. // Close document
  266. $this->_enddoc();
  267. }
  268. function AddPage($orientation='', $size='', $rotation=0)
  269. {
  270. // Start a new page
  271. if($this->state==3)
  272. $this->Error('The document is closed');
  273. $family = $this->FontFamily;
  274. $style = $this->FontStyle.($this->underline ? 'U' : '');
  275. $fontsize = $this->FontSizePt;
  276. $lw = $this->LineWidth;
  277. $dc = $this->DrawColor;
  278. $fc = $this->FillColor;
  279. $tc = $this->TextColor;
  280. $cf = $this->ColorFlag;
  281. if($this->page>0)
  282. {
  283. // Page footer
  284. $this->InFooter = true;
  285. $this->Footer();
  286. $this->InFooter = false;
  287. // Close page
  288. $this->_endpage();
  289. }
  290. // Start new page
  291. $this->_beginpage($orientation,$size,$rotation);
  292. // Set line cap style to square
  293. $this->_out('2 J');
  294. // Set line width
  295. $this->LineWidth = $lw;
  296. $this->_out(sprintf('%.2F w',$lw*$this->k));
  297. // Set font
  298. if($family)
  299. $this->SetFont($family,$style,$fontsize);
  300. // Set colors
  301. $this->DrawColor = $dc;
  302. if($dc!='0 G')
  303. $this->_out($dc);
  304. $this->FillColor = $fc;
  305. if($fc!='0 g')
  306. $this->_out($fc);
  307. $this->TextColor = $tc;
  308. $this->ColorFlag = $cf;
  309. // Page header
  310. $this->InHeader = true;
  311. $this->Header();
  312. $this->InHeader = false;
  313. // Restore line width
  314. if($this->LineWidth!=$lw)
  315. {
  316. $this->LineWidth = $lw;
  317. $this->_out(sprintf('%.2F w',$lw*$this->k));
  318. }
  319. // Restore font
  320. if($family)
  321. $this->SetFont($family,$style,$fontsize);
  322. // Restore colors
  323. if($this->DrawColor!=$dc)
  324. {
  325. $this->DrawColor = $dc;
  326. $this->_out($dc);
  327. }
  328. if($this->FillColor!=$fc)
  329. {
  330. $this->FillColor = $fc;
  331. $this->_out($fc);
  332. }
  333. $this->TextColor = $tc;
  334. $this->ColorFlag = $cf;
  335. }
  336. function Header()
  337. {
  338. // To be implemented in your own inherited class
  339. }
  340. function Footer()
  341. {
  342. // To be implemented in your own inherited class
  343. }
  344. function PageNo()
  345. {
  346. // Get current page number
  347. return $this->page;
  348. }
  349. function SetDrawColor($r, $g=null, $b=null)
  350. {
  351. // Set color for all stroking operations
  352. if(($r==0 && $g==0 && $b==0) || $g===null)
  353. $this->DrawColor = sprintf('%.3F G',$r/255);
  354. else
  355. $this->DrawColor = sprintf('%.3F %.3F %.3F RG',$r/255,$g/255,$b/255);
  356. if($this->page>0)
  357. $this->_out($this->DrawColor);
  358. }
  359. function SetFillColor($r, $g=null, $b=null)
  360. {
  361. // Set color for all filling operations
  362. if(($r==0 && $g==0 && $b==0) || $g===null)
  363. $this->FillColor = sprintf('%.3F g',$r/255);
  364. else
  365. $this->FillColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
  366. $this->ColorFlag = ($this->FillColor!=$this->TextColor);
  367. if($this->page>0)
  368. $this->_out($this->FillColor);
  369. }
  370. function SetTextColor($r, $g=null, $b=null)
  371. {
  372. // Set color for text
  373. if(($r==0 && $g==0 && $b==0) || $g===null)
  374. $this->TextColor = sprintf('%.3F g',$r/255);
  375. else
  376. $this->TextColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
  377. $this->ColorFlag = ($this->FillColor!=$this->TextColor);
  378. }
  379. function GetStringWidth($s)
  380. {
  381. // Get width of a string in the current font
  382. $cw = $this->CurrentFont['cw'];
  383. $w = 0;
  384. $s = (string)$s;
  385. $l = strlen($s);
  386. for($i=0;$i<$l;$i++)
  387. $w += $cw[$s[$i]];
  388. return $w*$this->FontSize/1000;
  389. }
  390. function SetLineWidth($width)
  391. {
  392. // Set line width
  393. $this->LineWidth = $width;
  394. if($this->page>0)
  395. $this->_out(sprintf('%.2F w',$width*$this->k));
  396. }
  397. function Line($x1, $y1, $x2, $y2)
  398. {
  399. // Draw a line
  400. $this->_out(sprintf('%.2F %.2F m %.2F %.2F l S',$x1*$this->k,($this->h-$y1)*$this->k,$x2*$this->k,($this->h-$y2)*$this->k));
  401. }
  402. function Rect($x, $y, $w, $h, $style='')
  403. {
  404. // Draw a rectangle
  405. if($style=='F')
  406. $op = 'f';
  407. elseif($style=='FD' || $style=='DF')
  408. $op = 'B';
  409. else
  410. $op = 'S';
  411. $this->_out(sprintf('%.2F %.2F %.2F %.2F re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op));
  412. }
  413. function AddFont($family, $style='', $file='', $dir='')
  414. {
  415. // Add a TrueType, OpenType or Type1 font
  416. $family = strtolower($family);
  417. if($file=='')
  418. $file = str_replace(' ','',$family).strtolower($style).'.php';
  419. $style = strtoupper($style);
  420. if($style=='IB')
  421. $style = 'BI';
  422. $fontkey = $family.$style;
  423. if(isset($this->fonts[$fontkey]))
  424. return;
  425. if(strpos($file,'/')!==false || strpos($file,"\\")!==false)
  426. $this->Error('Incorrect font definition file name: '.$file);
  427. if($dir=='')
  428. $dir = $this->fontpath;
  429. if(substr($dir,-1)!='/' && substr($dir,-1)!='\\')
  430. $dir .= '/';
  431. $info = $this->_loadfont($dir.$file);
  432. $info['i'] = count($this->fonts)+1;
  433. if(!empty($info['file']))
  434. {
  435. // Embedded font
  436. $info['file'] = $dir.$info['file'];
  437. if($info['type']=='TrueType')
  438. $this->FontFiles[$info['file']] = array('length1'=>$info['originalsize']);
  439. else
  440. $this->FontFiles[$info['file']] = array('length1'=>$info['size1'], 'length2'=>$info['size2']);
  441. }
  442. $this->fonts[$fontkey] = $info;
  443. }
  444. function SetFont($family, $style='', $size=0)
  445. {
  446. // Select a font; size given in points
  447. if($family=='')
  448. $family = $this->FontFamily;
  449. else
  450. $family = strtolower($family);
  451. $style = strtoupper($style);
  452. if(strpos($style,'U')!==false)
  453. {
  454. $this->underline = true;
  455. $style = str_replace('U','',$style);
  456. }
  457. else
  458. $this->underline = false;
  459. if($style=='IB')
  460. $style = 'BI';
  461. if($size==0)
  462. $size = $this->FontSizePt;
  463. // Test if font is already selected
  464. if($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size)
  465. return;
  466. // Test if font is already loaded
  467. $fontkey = $family.$style;
  468. if(!isset($this->fonts[$fontkey]))
  469. {
  470. // Test if one of the core fonts
  471. if($family=='arial')
  472. $family = 'helvetica';
  473. if(in_array($family,$this->CoreFonts))
  474. {
  475. if($family=='symbol' || $family=='zapfdingbats')
  476. $style = '';
  477. $fontkey = $family.$style;
  478. if(!isset($this->fonts[$fontkey]))
  479. $this->AddFont($family,$style);
  480. }
  481. else
  482. $this->Error('Undefined font: '.$family.' '.$style);
  483. }
  484. // Select it
  485. $this->FontFamily = $family;
  486. $this->FontStyle = $style;
  487. $this->FontSizePt = $size;
  488. $this->FontSize = $size/$this->k;
  489. $this->CurrentFont = $this->fonts[$fontkey];
  490. if($this->page>0)
  491. $this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
  492. }
  493. function SetFontSize($size)
  494. {
  495. // Set font size in points
  496. if($this->FontSizePt==$size)
  497. return;
  498. $this->FontSizePt = $size;
  499. $this->FontSize = $size/$this->k;
  500. if($this->page>0 && isset($this->CurrentFont))
  501. $this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
  502. }
  503. function AddLink()
  504. {
  505. // Create a new internal link
  506. $n = count($this->links)+1;
  507. $this->links[$n] = array(0, 0);
  508. return $n;
  509. }
  510. function SetLink($link, $y=0, $page=-1)
  511. {
  512. // Set destination of internal link
  513. if($y==-1)
  514. $y = $this->y;
  515. if($page==-1)
  516. $page = $this->page;
  517. $this->links[$link] = array($page, $y);
  518. }
  519. function Link($x, $y, $w, $h, $link)
  520. {
  521. // Put a link on the page
  522. $this->PageLinks[$this->page][] = array($x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link);
  523. }
  524. function Text($x, $y, $txt)
  525. {
  526. // Output a string
  527. if(!isset($this->CurrentFont))
  528. $this->Error('No font has been set');
  529. $txt = (string)$txt;
  530. $s = sprintf('BT %.2F %.2F Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt));
  531. if($this->underline && $txt!=='')
  532. $s .= ' '.$this->_dounderline($x,$y,$txt);
  533. if($this->ColorFlag)
  534. $s = 'q '.$this->TextColor.' '.$s.' Q';
  535. $this->_out($s);
  536. }
  537. function AcceptPageBreak()
  538. {
  539. // Accept automatic page break or not
  540. return $this->AutoPageBreak;
  541. }
  542. function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='')
  543. {
  544. // Output a cell
  545. $k = $this->k;
  546. if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())
  547. {
  548. // Automatic page break
  549. $x = $this->x;
  550. $ws = $this->ws;
  551. if($ws>0)
  552. {
  553. $this->ws = 0;
  554. $this->_out('0 Tw');
  555. }
  556. $this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);
  557. $this->x = $x;
  558. if($ws>0)
  559. {
  560. $this->ws = $ws;
  561. $this->_out(sprintf('%.3F Tw',$ws*$k));
  562. }
  563. }
  564. if($w==0)
  565. $w = $this->w-$this->rMargin-$this->x;
  566. $s = '';
  567. if($fill || $border==1)
  568. {
  569. if($fill)
  570. $op = ($border==1) ? 'B' : 'f';
  571. else
  572. $op = 'S';
  573. $s = sprintf('%.2F %.2F %.2F %.2F re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op);
  574. }
  575. if(is_string($border))
  576. {
  577. $x = $this->x;
  578. $y = $this->y;
  579. if(strpos($border,'L')!==false)
  580. $s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);
  581. if(strpos($border,'T')!==false)
  582. $s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);
  583. if(strpos($border,'R')!==false)
  584. $s .= sprintf('%.2F %.2F m %.2F %.2F l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
  585. if(strpos($border,'B')!==false)
  586. $s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
  587. }
  588. $txt = (string)$txt;
  589. if($txt!=='')
  590. {
  591. if(!isset($this->CurrentFont))
  592. $this->Error('No font has been set');
  593. if($align=='R')
  594. $dx = $w-$this->cMargin-$this->GetStringWidth($txt);
  595. elseif($align=='C')
  596. $dx = ($w-$this->GetStringWidth($txt))/2;
  597. else
  598. $dx = $this->cMargin;
  599. if($this->ColorFlag)
  600. $s .= 'q '.$this->TextColor.' ';
  601. $s .= sprintf('BT %.2F %.2F Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$this->_escape($txt));
  602. if($this->underline)
  603. $s .= ' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);
  604. if($this->ColorFlag)
  605. $s .= ' Q';
  606. if($link)
  607. $this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link);
  608. }
  609. if($s)
  610. $this->_out($s);
  611. $this->lasth = $h;
  612. if($ln>0)
  613. {
  614. // Go to next line
  615. $this->y += $h;
  616. if($ln==1)
  617. $this->x = $this->lMargin;
  618. }
  619. else
  620. $this->x += $w;
  621. }
  622. function MultiCell($w, $h, $txt, $border=0, $align='J', $fill=false)
  623. {
  624. // Output text with automatic or explicit line breaks
  625. if(!isset($this->CurrentFont))
  626. $this->Error('No font has been set');
  627. $cw = $this->CurrentFont['cw'];
  628. if($w==0)
  629. $w = $this->w-$this->rMargin-$this->x;
  630. $wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
  631. $s = str_replace("\r",'',(string)$txt);
  632. $nb = strlen($s);
  633. if($nb>0 && $s[$nb-1]=="\n")
  634. $nb--;
  635. $b = 0;
  636. if($border)
  637. {
  638. if($border==1)
  639. {
  640. $border = 'LTRB';
  641. $b = 'LRT';
  642. $b2 = 'LR';
  643. }
  644. else
  645. {
  646. $b2 = '';
  647. if(strpos($border,'L')!==false)
  648. $b2 .= 'L';
  649. if(strpos($border,'R')!==false)
  650. $b2 .= 'R';
  651. $b = (strpos($border,'T')!==false) ? $b2.'T' : $b2;
  652. }
  653. }
  654. $sep = -1;
  655. $i = 0;
  656. $j = 0;
  657. $l = 0;
  658. $ns = 0;
  659. $nl = 1;
  660. while($i<$nb)
  661. {
  662. // Get next character
  663. $c = $s[$i];
  664. if($c=="\n")
  665. {
  666. // Explicit line break
  667. if($this->ws>0)
  668. {
  669. $this->ws = 0;
  670. $this->_out('0 Tw');
  671. }
  672. $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
  673. $i++;
  674. $sep = -1;
  675. $j = $i;
  676. $l = 0;
  677. $ns = 0;
  678. $nl++;
  679. if($border && $nl==2)
  680. $b = $b2;
  681. continue;
  682. }
  683. if($c==' ')
  684. {
  685. $sep = $i;
  686. $ls = $l;
  687. $ns++;
  688. }
  689. $l += $cw[$c];
  690. if($l>$wmax)
  691. {
  692. // Automatic line break
  693. if($sep==-1)
  694. {
  695. if($i==$j)
  696. $i++;
  697. if($this->ws>0)
  698. {
  699. $this->ws = 0;
  700. $this->_out('0 Tw');
  701. }
  702. $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
  703. }
  704. else
  705. {
  706. if($align=='J')
  707. {
  708. $this->ws = ($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0;
  709. $this->_out(sprintf('%.3F Tw',$this->ws*$this->k));
  710. }
  711. $this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill);
  712. $i = $sep+1;
  713. }
  714. $sep = -1;
  715. $j = $i;
  716. $l = 0;
  717. $ns = 0;
  718. $nl++;
  719. if($border && $nl==2)
  720. $b = $b2;
  721. }
  722. else
  723. $i++;
  724. }
  725. // Last chunk
  726. if($this->ws>0)
  727. {
  728. $this->ws = 0;
  729. $this->_out('0 Tw');
  730. }
  731. if($border && strpos($border,'B')!==false)
  732. $b .= 'B';
  733. $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
  734. $this->x = $this->lMargin;
  735. }
  736. function Write($h, $txt, $link='')
  737. {
  738. // Output text in flowing mode
  739. if(!isset($this->CurrentFont))
  740. $this->Error('No font has been set');
  741. $cw = $this->CurrentFont['cw'];
  742. $w = $this->w-$this->rMargin-$this->x;
  743. $wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
  744. $s = str_replace("\r",'',(string)$txt);
  745. $nb = strlen($s);
  746. $sep = -1;
  747. $i = 0;
  748. $j = 0;
  749. $l = 0;
  750. $nl = 1;
  751. while($i<$nb)
  752. {
  753. // Get next character
  754. $c = $s[$i];
  755. if($c=="\n")
  756. {
  757. // Explicit line break
  758. $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);
  759. $i++;
  760. $sep = -1;
  761. $j = $i;
  762. $l = 0;
  763. if($nl==1)
  764. {
  765. $this->x = $this->lMargin;
  766. $w = $this->w-$this->rMargin-$this->x;
  767. $wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
  768. }
  769. $nl++;
  770. continue;
  771. }
  772. if($c==' ')
  773. $sep = $i;
  774. $l += $cw[$c];
  775. if($l>$wmax)
  776. {
  777. // Automatic line break
  778. if($sep==-1)
  779. {
  780. if($this->x>$this->lMargin)
  781. {
  782. // Move to next line
  783. $this->x = $this->lMargin;
  784. $this->y += $h;
  785. $w = $this->w-$this->rMargin-$this->x;
  786. $wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
  787. $i++;
  788. $nl++;
  789. continue;
  790. }
  791. if($i==$j)
  792. $i++;
  793. $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);
  794. }
  795. else
  796. {
  797. $this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',false,$link);
  798. $i = $sep+1;
  799. }
  800. $sep = -1;
  801. $j = $i;
  802. $l = 0;
  803. if($nl==1)
  804. {
  805. $this->x = $this->lMargin;
  806. $w = $this->w-$this->rMargin-$this->x;
  807. $wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
  808. }
  809. $nl++;
  810. }
  811. else
  812. $i++;
  813. }
  814. // Last chunk
  815. if($i!=$j)
  816. $this->Cell($l/1000*$this->FontSize,$h,substr($s,$j),0,0,'',false,$link);
  817. }
  818. function Ln($h=null)
  819. {
  820. // Line feed; default value is the last cell height
  821. $this->x = $this->lMargin;
  822. if($h===null)
  823. $this->y += $this->lasth;
  824. else
  825. $this->y += $h;
  826. }
  827. function Image($file, $x=null, $y=null, $w=0, $h=0, $type='', $link='')
  828. {
  829. // Put an image on the page
  830. if($file=='')
  831. $this->Error('Image file name is empty');
  832. if(!isset($this->images[$file]))
  833. {
  834. // First use of this image, get info
  835. if($type=='')
  836. {
  837. $pos = strrpos($file,'.');
  838. if(!$pos)
  839. $this->Error('Image file has no extension and no type was specified: '.$file);
  840. $type = substr($file,$pos+1);
  841. }
  842. $type = strtolower($type);
  843. if($type=='jpeg')
  844. $type = 'jpg';
  845. $mtd = '_parse'.$type;
  846. if(!method_exists($this,$mtd))
  847. $this->Error('Unsupported image type: '.$type);
  848. $info = $this->$mtd($file);
  849. $info['i'] = count($this->images)+1;
  850. $this->images[$file] = $info;
  851. }
  852. else
  853. $info = $this->images[$file];
  854. // Automatic width and height calculation if needed
  855. if($w==0 && $h==0)
  856. {
  857. // Put image at 96 dpi
  858. $w = -96;
  859. $h = -96;
  860. }
  861. if($w<0)
  862. $w = -$info['w']*72/$w/$this->k;
  863. if($h<0)
  864. $h = -$info['h']*72/$h/$this->k;
  865. if($w==0)
  866. $w = $h*$info['w']/$info['h'];
  867. if($h==0)
  868. $h = $w*$info['h']/$info['w'];
  869. // Flowing mode
  870. if($y===null)
  871. {
  872. if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())
  873. {
  874. // Automatic page break
  875. $x2 = $this->x;
  876. $this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);
  877. $this->x = $x2;
  878. }
  879. $y = $this->y;
  880. $this->y += $h;
  881. }
  882. if($x===null)
  883. $x = $this->x;
  884. $this->_out(sprintf('q %.2F 0 0 %.2F %.2F %.2F cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i']));
  885. if($link)
  886. $this->Link($x,$y,$w,$h,$link);
  887. }
  888. function GetPageWidth()
  889. {
  890. // Get current page width
  891. return $this->w;
  892. }
  893. function GetPageHeight()
  894. {
  895. // Get current page height
  896. return $this->h;
  897. }
  898. function GetX()
  899. {
  900. // Get x position
  901. return $this->x;
  902. }
  903. function SetX($x)
  904. {
  905. // Set x position
  906. if($x>=0)
  907. $this->x = $x;
  908. else
  909. $this->x = $this->w+$x;
  910. }
  911. function GetY()
  912. {
  913. // Get y position
  914. return $this->y;
  915. }
  916. function SetY($y, $resetX=true)
  917. {
  918. // Set y position and optionally reset x
  919. if($y>=0)
  920. $this->y = $y;
  921. else
  922. $this->y = $this->h+$y;
  923. if($resetX)
  924. $this->x = $this->lMargin;
  925. }
  926. function SetXY($x, $y)
  927. {
  928. // Set x and y positions
  929. $this->SetX($x);
  930. $this->SetY($y,false);
  931. }
  932. function Output($dest='', $name='', $isUTF8=false)
  933. {
  934. // Output PDF to some destination
  935. $this->Close();
  936. if(strlen($name)==1 && strlen($dest)!=1)
  937. {
  938. // Fix parameter order
  939. $tmp = $dest;
  940. $dest = $name;
  941. $name = $tmp;
  942. }
  943. if($dest=='')
  944. $dest = 'I';
  945. if($name=='')
  946. $name = 'doc.pdf';
  947. switch(strtoupper($dest))
  948. {
  949. case 'I':
  950. // Send to standard output
  951. $this->_checkoutput();
  952. if(PHP_SAPI!='cli')
  953. {
  954. // We send to a browser
  955. header('Content-Type: application/pdf');
  956. header('Content-Disposition: inline; '.$this->_httpencode('filename',$name,$isUTF8));
  957. header('Cache-Control: private, max-age=0, must-revalidate');
  958. header('Pragma: public');
  959. }
  960. echo $this->buffer;
  961. break;
  962. case 'D':
  963. // Download file
  964. $this->_checkoutput();
  965. header('Content-Type: application/pdf');
  966. header('Content-Disposition: attachment; '.$this->_httpencode('filename',$name,$isUTF8));
  967. header('Cache-Control: private, max-age=0, must-revalidate');
  968. header('Pragma: public');
  969. echo $this->buffer;
  970. break;
  971. case 'F':
  972. // Save to local file
  973. if(!file_put_contents($name,$this->buffer))
  974. $this->Error('Unable to create output file: '.$name);
  975. break;
  976. case 'S':
  977. // Return as a string
  978. return $this->buffer;
  979. default:
  980. $this->Error('Incorrect output destination: '.$dest);
  981. }
  982. return '';
  983. }
  984. /*******************************************************************************
  985. * Protected methods *
  986. *******************************************************************************/
  987. protected function _checkoutput()
  988. {
  989. if(PHP_SAPI!='cli')
  990. {
  991. if(headers_sent($file,$line))
  992. $this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)");
  993. }
  994. if(ob_get_length())
  995. {
  996. // The output buffer is not empty
  997. if(preg_match('/^(\xEF\xBB\xBF)?\s*$/',ob_get_contents()))
  998. {
  999. // It contains only a UTF-8 BOM and/or whitespace, let's clean it
  1000. ob_clean();
  1001. }
  1002. else
  1003. $this->Error("Some data has already been output, can't send PDF file");
  1004. }
  1005. }
  1006. protected function _getpagesize($size)
  1007. {
  1008. if(is_string($size))
  1009. {
  1010. $size = strtolower($size);
  1011. if(!isset($this->StdPageSizes[$size]))
  1012. $this->Error('Unknown page size: '.$size);
  1013. $a = $this->StdPageSizes[$size];
  1014. return array($a[0]/$this->k, $a[1]/$this->k);
  1015. }
  1016. else
  1017. {
  1018. if($size[0]>$size[1])
  1019. return array($size[1], $size[0]);
  1020. else
  1021. return $size;
  1022. }
  1023. }
  1024. protected function _beginpage($orientation, $size, $rotation)
  1025. {
  1026. $this->page++;
  1027. $this->pages[$this->page] = '';
  1028. $this->PageLinks[$this->page] = array();
  1029. $this->state = 2;
  1030. $this->x = $this->lMargin;
  1031. $this->y = $this->tMargin;
  1032. $this->FontFamily = '';
  1033. // Check page size and orientation
  1034. if($orientation=='')
  1035. $orientation = $this->DefOrientation;
  1036. else
  1037. $orientation = strtoupper($orientation[0]);
  1038. if($size=='')
  1039. $size = $this->DefPageSize;
  1040. else
  1041. $size = $this->_getpagesize($size);
  1042. if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1])
  1043. {
  1044. // New size or orientation
  1045. if($orientation=='P')
  1046. {
  1047. $this->w = $size[0];
  1048. $this->h = $size[1];
  1049. }
  1050. else
  1051. {
  1052. $this->w = $size[1];
  1053. $this->h = $size[0];
  1054. }
  1055. $this->wPt = $this->w*$this->k;
  1056. $this->hPt = $this->h*$this->k;
  1057. $this->PageBreakTrigger = $this->h-$this->bMargin;
  1058. $this->CurOrientation = $orientation;
  1059. $this->CurPageSize = $size;
  1060. }
  1061. if($orientation!=$this->DefOrientation || $size[0]!=$this->DefPageSize[0] || $size[1]!=$this->DefPageSize[1])
  1062. $this->PageInfo[$this->page]['size'] = array($this->wPt, $this->hPt);
  1063. if($rotation!=0)
  1064. {
  1065. if($rotation%90!=0)
  1066. $this->Error('Incorrect rotation value: '.$rotation);
  1067. $this->PageInfo[$this->page]['rotation'] = $rotation;
  1068. }
  1069. $this->CurRotation = $rotation;
  1070. }
  1071. protected function _endpage()
  1072. {
  1073. $this->state = 1;
  1074. }
  1075. protected function _loadfont($path)
  1076. {
  1077. // Load a font definition file
  1078. include($path);
  1079. if(!isset($name))
  1080. $this->Error('Could not include font definition file: '.$path);
  1081. if(isset($enc))
  1082. $enc = strtolower($enc);
  1083. if(!isset($subsetted))
  1084. $subsetted = false;
  1085. return get_defined_vars();
  1086. }
  1087. protected function _isascii($s)
  1088. {
  1089. // Test if string is ASCII
  1090. $nb = strlen($s);
  1091. for($i=0;$i<$nb;$i++)
  1092. {
  1093. if(ord($s[$i])>127)
  1094. return false;
  1095. }
  1096. return true;
  1097. }
  1098. protected function _httpencode($param, $value, $isUTF8)
  1099. {
  1100. // Encode HTTP header field parameter
  1101. if($this->_isascii($value))
  1102. return $param.'="'.$value.'"';
  1103. if(!$isUTF8)
  1104. $value = $this->_UTF8encode($value);
  1105. return $param."*=UTF-8''".rawurlencode($value);
  1106. }
  1107. protected function _UTF8encode($s)
  1108. {
  1109. // Convert ISO-8859-1 to UTF-8
  1110. if($this->iconv)
  1111. return iconv('ISO-8859-1','UTF-8',$s);
  1112. $res = '';
  1113. $nb = strlen($s);
  1114. for($i=0;$i<$nb;$i++)
  1115. {
  1116. $c = $s[$i];
  1117. $v = ord($c);
  1118. if($v>=128)
  1119. {
  1120. $res .= chr(0xC0 | ($v >> 6));
  1121. $res .= chr(0x80 | ($v & 0x3F));
  1122. }
  1123. else
  1124. $res .= $c;
  1125. }
  1126. return $res;
  1127. }
  1128. protected function _UTF8toUTF16($s)
  1129. {
  1130. // Convert UTF-8 to UTF-16BE with BOM
  1131. $res = "\xFE\xFF";
  1132. if($this->iconv)
  1133. return $res.iconv('UTF-8','UTF-16BE',$s);
  1134. $nb = strlen($s);
  1135. $i = 0;
  1136. while($i<$nb)
  1137. {
  1138. $c1 = ord($s[$i++]);
  1139. if($c1>=224)
  1140. {
  1141. // 3-byte character
  1142. $c2 = ord($s[$i++]);
  1143. $c3 = ord($s[$i++]);
  1144. $res .= chr((($c1 & 0x0F)<<4) + (($c2 & 0x3C)>>2));
  1145. $res .= chr((($c2 & 0x03)<<6) + ($c3 & 0x3F));
  1146. }
  1147. elseif($c1>=192)
  1148. {
  1149. // 2-byte character
  1150. $c2 = ord($s[$i++]);
  1151. $res .= chr(($c1 & 0x1C)>>2);
  1152. $res .= chr((($c1 & 0x03)<<6) + ($c2 & 0x3F));
  1153. }
  1154. else
  1155. {
  1156. // Single-byte character
  1157. $res .= "\0".chr($c1);
  1158. }
  1159. }
  1160. return $res;
  1161. }
  1162. protected function _escape($s)
  1163. {
  1164. // Escape special characters
  1165. if(strpos($s,'(')!==false || strpos($s,')')!==false || strpos($s,'\\')!==false || strpos($s,"\r")!==false)
  1166. return str_replace(array('\\','(',')',"\r"), array('\\\\','\\(','\\)','\\r'), $s);
  1167. else
  1168. return $s;
  1169. }
  1170. protected function _textstring($s)
  1171. {
  1172. // Format a text string
  1173. if(!$this->_isascii($s))
  1174. $s = $this->_UTF8toUTF16($s);
  1175. return '('.$this->_escape($s).')';
  1176. }
  1177. protected function _dounderline($x, $y, $txt)
  1178. {
  1179. // Underline text
  1180. $up = $this->CurrentFont['up'];
  1181. $ut = $this->CurrentFont['ut'];
  1182. $w = $this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');
  1183. 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*$this->FontSizePt);
  1184. }
  1185. protected function _parsejpg($file)
  1186. {
  1187. // Extract info from a JPEG file
  1188. $a = getimagesize($file);
  1189. if(!$a)
  1190. $this->Error('Missing or incorrect image file: '.$file);
  1191. if($a[2]!=2)
  1192. $this->Error('Not a JPEG file: '.$file);
  1193. if(!isset($a['channels']) || $a['channels']==3)
  1194. $colspace = 'DeviceRGB';
  1195. elseif($a['channels']==4)
  1196. $colspace = 'DeviceCMYK';
  1197. else
  1198. $colspace = 'DeviceGray';
  1199. $bpc = isset($a['bits']) ? $a['bits'] : 8;
  1200. $data = file_get_contents($file);
  1201. return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);
  1202. }
  1203. protected function _parsepng($file)
  1204. {
  1205. // Extract info from a PNG file
  1206. $f = fopen($file,'rb');
  1207. if(!$f)
  1208. $this->Error('Can\'t open image file: '.$file);
  1209. $info = $this->_parsepngstream($f,$file);
  1210. fclose($f);
  1211. return $info;
  1212. }
  1213. protected function _parsepngstream($f, $file)
  1214. {
  1215. // Check signature
  1216. if($this->_readstream($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
  1217. $this->Error('Not a PNG file: '.$file);
  1218. // Read header chunk
  1219. $this->_readstream($f,4);
  1220. if($this->_readstream($f,4)!='IHDR')
  1221. $this->Error('Incorrect PNG file: '.$file);
  1222. $w = $this->_readint($f);
  1223. $h = $this->_readint($f);
  1224. $bpc = ord($this->_readstream($f,1));
  1225. if($bpc>8)
  1226. $this->Error('16-bit depth not supported: '.$file);
  1227. $ct = ord($this->_readstream($f,1));
  1228. if($ct==0 || $ct==4)
  1229. $colspace = 'DeviceGray';
  1230. elseif($ct==2 || $ct==6)
  1231. $colspace = 'DeviceRGB';
  1232. elseif($ct==3)
  1233. $colspace = 'Indexed';
  1234. else
  1235. $this->Error('Unknown color type: '.$file);
  1236. if(ord($this->_readstream($f,1))!=0)
  1237. $this->Error('Unknown compression method: '.$file);
  1238. if(ord($this->_readstream($f,1))!=0)
  1239. $this->Error('Unknown filter method: '.$file);
  1240. if(ord($this->_readstream($f,1))!=0)
  1241. $this->Error('Interlacing not supported: '.$file);
  1242. $this->_readstream($f,4);
  1243. $dp = '/Predictor 15 /Colors '.($colspace=='DeviceRGB' ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w;
  1244. // Scan chunks looking for palette, transparency and image data
  1245. $pal = '';
  1246. $trns = '';
  1247. $data = '';
  1248. do
  1249. {
  1250. $n = $this->_readint($f);
  1251. $type = $this->_readstream($f,4);
  1252. if($type=='PLTE')
  1253. {
  1254. // Read palette
  1255. $pal = $this->_readstream($f,$n);
  1256. $this->_readstream($f,4);
  1257. }
  1258. elseif($type=='tRNS')
  1259. {
  1260. // Read transparency info
  1261. $t = $this->_readstream($f,$n);
  1262. if($ct==0)
  1263. $trns = array(ord(substr($t,1,1)));
  1264. elseif($ct==2)
  1265. $trns = array(ord(substr($t,1,1)), ord(substr($t,3,1)), ord(substr($t,5,1)));
  1266. else
  1267. {
  1268. $pos = strpos($t,chr(0));
  1269. if($pos!==false)
  1270. $trns = array($pos);
  1271. }
  1272. $this->_readstream($f,4);
  1273. }
  1274. elseif($type=='IDAT')
  1275. {
  1276. // Read image data block
  1277. $data .= $this->_readstream($f,$n);
  1278. $this->_readstream($f,4);
  1279. }
  1280. elseif($type=='IEND')
  1281. break;
  1282. else
  1283. $this->_readstream($f,$n+4);
  1284. }
  1285. while($n);
  1286. if($colspace=='Indexed' && empty($pal))
  1287. $this->Error('Missing palette in '.$file);
  1288. $info = array('w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'FlateDecode', 'dp'=>$dp, 'pal'=>$pal, 'trns'=>$trns);
  1289. if($ct>=4)
  1290. {
  1291. // Extract alpha channel
  1292. if(!function_exists('gzuncompress'))
  1293. $this->Error('Zlib not available, can\'t handle alpha channel: '.$file);
  1294. $data = gzuncompress($data);
  1295. $color = '';
  1296. $alpha = '';
  1297. if($ct==4)
  1298. {
  1299. // Gray image
  1300. $len = 2*$w;
  1301. for($i=0;$i<$h;$i++)
  1302. {
  1303. $pos = (1+$len)*$i;
  1304. $color .= $data[$pos];
  1305. $alpha .= $data[$pos];
  1306. $line = substr($data,$pos+1,$len);
  1307. $color .= preg_replace('/(.)./s','$1',$line);
  1308. $alpha .= preg_replace('/.(.)/s','$1',$line);
  1309. }
  1310. }
  1311. else
  1312. {
  1313. // RGB image
  1314. $len = 4*$w;
  1315. for($i=0;$i<$h;$i++)
  1316. {
  1317. $pos = (1+$len)*$i;
  1318. $color .= $data[$pos];
  1319. $alpha .= $data[$pos];
  1320. $line = substr($data,$pos+1,$len);
  1321. $color .= preg_replace('/(.{3})./s','$1',$line);
  1322. $alpha .= preg_replace('/.{3}(.)/s','$1',$line);
  1323. }
  1324. }
  1325. unset($data);
  1326. $data = gzcompress($color);
  1327. $info['smask'] = gzcompress($alpha);
  1328. $this->WithAlpha = true;
  1329. if($this->PDFVersion<'1.4')
  1330. $this->PDFVersion = '1.4';
  1331. }
  1332. $info['data'] = $data;
  1333. return $info;
  1334. }
  1335. protected function _readstream($f, $n)
  1336. {
  1337. // Read n bytes from stream
  1338. $res = '';
  1339. while($n>0 && !feof($f))
  1340. {
  1341. $s = fread($f,$n);
  1342. if($s===false)
  1343. $this->Error('Error while reading stream');
  1344. $n -= strlen($s);
  1345. $res .= $s;
  1346. }
  1347. if($n>0)
  1348. $this->Error('Unexpected end of stream');
  1349. return $res;
  1350. }
  1351. protected function _readint($f)
  1352. {
  1353. // Read a 4-byte integer from stream
  1354. $a = unpack('Ni',$this->_readstream($f,4));
  1355. return $a['i'];
  1356. }
  1357. protected function _parsegif($file)
  1358. {
  1359. // Extract info from a GIF file (via PNG conversion)
  1360. if(!function_exists('imagepng'))
  1361. $this->Error('GD extension is required for GIF support');
  1362. if(!function_exists('imagecreatefromgif'))
  1363. $this->Error('GD has no GIF read support');
  1364. $im = imagecreatefromgif($file);
  1365. if(!$im)
  1366. $this->Error('Missing or incorrect image file: '.$file);
  1367. imageinterlace($im,0);
  1368. ob_start();
  1369. imagepng($im);
  1370. $data = ob_get_clean();
  1371. imagedestroy($im);
  1372. $f = fopen('php://temp','rb+');
  1373. if(!$f)
  1374. $this->Error('Unable to create memory stream');
  1375. fwrite($f,$data);
  1376. rewind($f);
  1377. $info = $this->_parsepngstream($f,$file);
  1378. fclose($f);
  1379. return $info;
  1380. }
  1381. protected function _out($s)
  1382. {
  1383. // Add a line to the current page
  1384. if($this->state==2)
  1385. $this->pages[$this->page] .= $s."\n";
  1386. elseif($this->state==0)
  1387. $this->Error('No page has been added yet');
  1388. elseif($this->state==1)
  1389. $this->Error('Invalid call');
  1390. elseif($this->state==3)
  1391. $this->Error('The document is closed');
  1392. }
  1393. protected function _put($s)
  1394. {
  1395. // Add a line to the document
  1396. $this->buffer .= $s."\n";
  1397. }
  1398. protected function _getoffset()
  1399. {
  1400. return strlen($this->buffer);
  1401. }
  1402. protected function _newobj($n=null)
  1403. {
  1404. // Begin a new object
  1405. if($n===null)
  1406. $n = ++$this->n;
  1407. $this->offsets[$n] = $this->_getoffset();
  1408. $this->_put($n.' 0 obj');
  1409. }
  1410. protected function _putstream($data)
  1411. {
  1412. $this->_put('stream');
  1413. $this->_put($data);
  1414. $this->_put('endstream');
  1415. }
  1416. protected function _putstreamobject($data)
  1417. {
  1418. if($this->compress)
  1419. {
  1420. $entries = '/Filter /FlateDecode ';
  1421. $data = gzcompress($data);
  1422. }
  1423. else
  1424. $entries = '';
  1425. $entries .= '/Length '.strlen($data);
  1426. $this->_newobj();
  1427. $this->_put('<<'.$entries.'>>');
  1428. $this->_putstream($data);
  1429. $this->_put('endobj');
  1430. }
  1431. protected function _putlinks($n)
  1432. {
  1433. foreach($this->PageLinks[$n] as $pl)
  1434. {
  1435. $this->_newobj();
  1436. $rect = sprintf('%.2F %.2F %.2F %.2F',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);
  1437. $s = '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
  1438. if(is_string($pl[4]))
  1439. $s .= '/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
  1440. else
  1441. {
  1442. $l = $this->links[$pl[4]];
  1443. if(isset($this->PageInfo[$l[0]]['size']))
  1444. $h = $this->PageInfo[$l[0]]['size'][1];
  1445. else
  1446. $h = ($this->DefOrientation=='P') ? $this->DefPageSize[1]*$this->k : $this->DefPageSize[0]*$this->k;
  1447. $s .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>',$this->PageInfo[$l[0]]['n'],$h-$l[1]*$this->k);
  1448. }
  1449. $this->_put($s);
  1450. $this->_put('endobj');
  1451. }
  1452. }
  1453. protected function _putpage($n)
  1454. {
  1455. $this->_newobj();
  1456. $this->_put('<</Type /Page');
  1457. $this->_put('/Parent 1 0 R');
  1458. if(isset($this->PageInfo[$n]['size']))
  1459. $this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$this->PageInfo[$n]['size'][0],$this->PageInfo[$n]['size'][1]));
  1460. if(isset($this->PageInfo[$n]['rotation']))
  1461. $this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);
  1462. $this->_put('/Resources 2 0 R');
  1463. if(!empty($this->PageLinks[$n]))
  1464. {
  1465. $s = '/Annots [';
  1466. foreach($this->PageLinks[$n] as $pl)
  1467. $s .= $pl[5].' 0 R ';
  1468. $s .= ']';
  1469. $this->_put($s);
  1470. }
  1471. if($this->WithAlpha)
  1472. $this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');
  1473. $this->_put('/Contents '.($this->n+1).' 0 R>>');
  1474. $this->_put('endobj');
  1475. // Page content
  1476. if(!empty($this->AliasNbPages))
  1477. $this->pages[$n] = str_replace($this->AliasNbPages,$this->page,$this->pages[$n]);
  1478. $this->_putstreamobject($this->pages[$n]);
  1479. // Link annotations
  1480. $this->_putlinks($n);
  1481. }
  1482. protected function _putpages()
  1483. {
  1484. $nb = $this->page;
  1485. $n = $this->n;
  1486. for($i=1;$i<=$nb;$i++)
  1487. {
  1488. $this->PageInfo[$i]['n'] = ++$n;
  1489. $n++;
  1490. foreach($this->PageLinks[$i] as &$pl)
  1491. $pl[5] = ++$n;
  1492. unset($pl);
  1493. }
  1494. for($i=1;$i<=$nb;$i++)
  1495. $this->_putpage($i);
  1496. // Pages root
  1497. $this->_newobj(1);
  1498. $this->_put('<</Type /Pages');
  1499. $kids = '/Kids [';
  1500. for($i=1;$i<=$nb;$i++)
  1501. $kids .= $this->PageInfo[$i]['n'].' 0 R ';
  1502. $kids .= ']';
  1503. $this->_put($kids);
  1504. $this->_put('/Count '.$nb);
  1505. if($this->DefOrientation=='P')
  1506. {
  1507. $w = $this->DefPageSize[0];
  1508. $h = $this->DefPageSize[1];
  1509. }
  1510. else
  1511. {
  1512. $w = $this->DefPageSize[1];
  1513. $h = $this->DefPageSize[0];
  1514. }
  1515. $this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$w*$this->k,$h*$this->k));
  1516. $this->_put('>>');
  1517. $this->_put('endobj');
  1518. }
  1519. protected function _putfonts()
  1520. {
  1521. foreach($this->FontFiles as $file=>$info)
  1522. {
  1523. // Font file embedding
  1524. $this->_newobj();
  1525. $this->FontFiles[$file]['n'] = $this->n;
  1526. $font = file_get_contents($file);
  1527. if(!$font)
  1528. $this->Error('Font file not found: '.$file);
  1529. $compressed = (substr($file,-2)=='.z');
  1530. if(!$compressed && isset($info['length2']))
  1531. $font = substr($font,6,$info['length1']).substr($font,6+$info['length1']+6,$info['length2']);
  1532. $this->_put('<</Length '.strlen($font));
  1533. if($compressed)
  1534. $this->_put('/Filter /FlateDecode');
  1535. $this->_put('/Length1 '.$info['length1']);
  1536. if(isset($info['length2']))
  1537. $this->_put('/Length2 '.$info['length2'].' /Length3 0');
  1538. $this->_put('>>');
  1539. $this->_putstream($font);
  1540. $this->_put('endobj');
  1541. }
  1542. foreach($this->fonts as $k=>$font)
  1543. {
  1544. // Encoding
  1545. if(isset($font['diff']))
  1546. {
  1547. if(!isset($this->encodings[$font['enc']]))
  1548. {
  1549. $this->_newobj();
  1550. $this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');
  1551. $this->_put('endobj');
  1552. $this->encodings[$font['enc']] = $this->n;
  1553. }
  1554. }
  1555. // ToUnicode CMap
  1556. if(isset($font['uv']))
  1557. {
  1558. if(isset($font['enc']))
  1559. $cmapkey = $font['enc'];
  1560. else
  1561. $cmapkey = $font['name'];
  1562. if(!isset($this->cmaps[$cmapkey]))
  1563. {
  1564. $cmap = $this->_tounicodecmap($font['uv']);
  1565. $this->_putstreamobject($cmap);
  1566. $this->cmaps[$cmapkey] = $this->n;
  1567. }
  1568. }
  1569. // Font object
  1570. $this->fonts[$k]['n'] = $this->n+1;
  1571. $type = $font['type'];
  1572. $name = $font['name'];
  1573. if($font['subsetted'])
  1574. $name = 'AAAAAA+'.$name;
  1575. if($type=='Core')
  1576. {
  1577. // Core font
  1578. $this->_newobj();
  1579. $this->_put('<</Type /Font');
  1580. $this->_put('/BaseFont /'.$name);
  1581. $this->_put('/Subtype /Type1');
  1582. if($name!='Symbol' && $name!='ZapfDingbats')
  1583. $this->_put('/Encoding /WinAnsiEncoding');
  1584. if(isset($font['uv']))
  1585. $this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
  1586. $this->_put('>>');
  1587. $this->_put('endobj');
  1588. }
  1589. elseif($type=='Type1' || $type=='TrueType')
  1590. {
  1591. // Additional Type1 or TrueType/OpenType font
  1592. $this->_newobj();
  1593. $this->_put('<</Type /Font');
  1594. $this->_put('/BaseFont /'.$name);
  1595. $this->_put('/Subtype /'.$type);
  1596. $this->_put('/FirstChar 32 /LastChar 255');
  1597. $this->_put('/Widths '.($this->n+1).' 0 R');
  1598. $this->_put('/FontDescriptor '.($this->n+2).' 0 R');
  1599. if(isset($font['diff']))
  1600. $this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');
  1601. else
  1602. $this->_put('/Encoding /WinAnsiEncoding');
  1603. if(isset($font['uv']))
  1604. $this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
  1605. $this->_put('>>');
  1606. $this->_put('endobj');
  1607. // Widths
  1608. $this->_newobj();
  1609. $cw = $font['cw'];
  1610. $s = '[';
  1611. for($i=32;$i<=255;$i++)
  1612. $s .= $cw[chr($i)].' ';
  1613. $this->_put($s.']');
  1614. $this->_put('endobj');
  1615. // Descriptor
  1616. $this->_newobj();
  1617. $s = '<</Type /FontDescriptor /FontName /'.$name;
  1618. foreach($font['desc'] as $k=>$v)
  1619. $s .= ' /'.$k.' '.$v;
  1620. if(!empty($font['file']))
  1621. $s .= ' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';
  1622. $this->_put($s.'>>');
  1623. $this->_put('endobj');
  1624. }
  1625. else
  1626. {
  1627. // Allow for additional types
  1628. $mtd = '_put'.strtolower($type);
  1629. if(!method_exists($this,$mtd))
  1630. $this->Error('Unsupported font type: '.$type);
  1631. $this->$mtd($font);
  1632. }
  1633. }
  1634. }
  1635. protected function _tounicodecmap($uv)
  1636. {
  1637. $ranges = '';
  1638. $nbr = 0;
  1639. $chars = '';
  1640. $nbc = 0;
  1641. foreach($uv as $c=>$v)
  1642. {
  1643. if(is_array($v))
  1644. {
  1645. $ranges .= sprintf("<%02X> <%02X> <%04X>\n",$c,$c+$v[1]-1,$v[0]);
  1646. $nbr++;
  1647. }
  1648. else
  1649. {
  1650. $chars .= sprintf("<%02X> <%04X>\n",$c,$v);
  1651. $nbc++;
  1652. }
  1653. }
  1654. $s = "/CIDInit /ProcSet findresource begin\n";
  1655. $s .= "12 dict begin\n";
  1656. $s .= "begincmap\n";
  1657. $s .= "/CIDSystemInfo\n";
  1658. $s .= "<</Registry (Adobe)\n";
  1659. $s .= "/Ordering (UCS)\n";
  1660. $s .= "/Supplement 0\n";
  1661. $s .= ">> def\n";
  1662. $s .= "/CMapName /Adobe-Identity-UCS def\n";
  1663. $s .= "/CMapType 2 def\n";
  1664. $s .= "1 begincodespacerange\n";
  1665. $s .= "<00> <FF>\n";
  1666. $s .= "endcodespacerange\n";
  1667. if($nbr>0)
  1668. {
  1669. $s .= "$nbr beginbfrange\n";
  1670. $s .= $ranges;
  1671. $s .= "endbfrange\n";
  1672. }
  1673. if($nbc>0)
  1674. {
  1675. $s .= "$nbc beginbfchar\n";
  1676. $s .= $chars;
  1677. $s .= "endbfchar\n";
  1678. }
  1679. $s .= "endcmap\n";
  1680. $s .= "CMapName currentdict /CMap defineresource pop\n";
  1681. $s .= "end\n";
  1682. $s .= "end";
  1683. return $s;
  1684. }
  1685. protected function _putimages()
  1686. {
  1687. foreach(array_keys($this->images) as $file)
  1688. {
  1689. $this->_putimage($this->images[$file]);
  1690. unset($this->images[$file]['data']);
  1691. unset($this->images[$file]['smask']);
  1692. }
  1693. }
  1694. protected function _putimage(&$info)
  1695. {
  1696. $this->_newobj();
  1697. $info['n'] = $this->n;
  1698. $this->_put('<</Type /XObject');
  1699. $this->_put('/Subtype /Image');
  1700. $this->_put('/Width '.$info['w']);
  1701. $this->_put('/Height '.$info['h']);
  1702. if($info['cs']=='Indexed')
  1703. $this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
  1704. else
  1705. {
  1706. $this->_put('/ColorSpace /'.$info['cs']);
  1707. if($info['cs']=='DeviceCMYK')
  1708. $this->_put('/Decode [1 0 1 0 1 0 1 0]');
  1709. }
  1710. $this->_put('/BitsPerComponent '.$info['bpc']);
  1711. if(isset($info['f']))
  1712. $this->_put('/Filter /'.$info['f']);
  1713. if(isset($info['dp']))
  1714. $this->_put('/DecodeParms <<'.$info['dp'].'>>');
  1715. if(isset($info['trns']) && is_array($info['trns']))
  1716. {
  1717. $trns = '';
  1718. for($i=0;$i<count($info['trns']);$i++)
  1719. $trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';
  1720. $this->_put('/Mask ['.$trns.']');
  1721. }
  1722. if(isset($info['smask']))
  1723. $this->_put('/SMask '.($this->n+1).' 0 R');
  1724. $this->_put('/Length '.strlen($info['data']).'>>');
  1725. $this->_putstream($info['data']);
  1726. $this->_put('endobj');
  1727. // Soft mask
  1728. if(isset($info['smask']))
  1729. {
  1730. $dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];
  1731. $smask = array('w'=>$info['w'], 'h'=>$info['h'], 'cs'=>'DeviceGray', 'bpc'=>8, 'f'=>$info['f'], 'dp'=>$dp, 'data'=>$info['smask']);
  1732. $this->_putimage($smask);
  1733. }
  1734. // Palette
  1735. if($info['cs']=='Indexed')
  1736. $this->_putstreamobject($info['pal']);
  1737. }
  1738. protected function _putxobjectdict()
  1739. {
  1740. foreach($this->images as $image)
  1741. $this->_put('/I'.$image['i'].' '.$image['n'].' 0 R');
  1742. }
  1743. protected function _putresourcedict()
  1744. {
  1745. $this->_put('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
  1746. $this->_put('/Font <<');
  1747. foreach($this->fonts as $font)
  1748. $this->_put('/F'.$font['i'].' '.$font['n'].' 0 R');
  1749. $this->_put('>>');
  1750. $this->_put('/XObject <<');
  1751. $this->_putxobjectdict();
  1752. $this->_put('>>');
  1753. }
  1754. protected function _putresources()
  1755. {
  1756. $this->_putfonts();
  1757. $this->_putimages();
  1758. // Resource dictionary
  1759. $this->_newobj(2);
  1760. $this->_put('<<');
  1761. $this->_putresourcedict();
  1762. $this->_put('>>');
  1763. $this->_put('endobj');
  1764. }
  1765. protected function _putinfo()
  1766. {
  1767. $date = @date('YmdHisO',$this->CreationDate);
  1768. $this->metadata['CreationDate'] = 'D:'.substr($date,0,-2)."'".substr($date,-2)."'";
  1769. foreach($this->metadata as $key=>$value)
  1770. $this->_put('/'.$key.' '.$this->_textstring($value));
  1771. }
  1772. protected function _putcatalog()
  1773. {
  1774. $n = $this->PageInfo[1]['n'];
  1775. $this->_put('/Type /Catalog');
  1776. $this->_put('/Pages 1 0 R');
  1777. if($this->ZoomMode=='fullpage')
  1778. $this->_put('/OpenAction ['.$n.' 0 R /Fit]');
  1779. elseif($this->ZoomMode=='fullwidth')
  1780. $this->_put('/OpenAction ['.$n.' 0 R /FitH null]');
  1781. elseif($this->ZoomMode=='real')
  1782. $this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');
  1783. elseif(!is_string($this->ZoomMode))
  1784. $this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F',$this->ZoomMode/100).']');
  1785. if($this->LayoutMode=='single')
  1786. $this->_put('/PageLayout /SinglePage');
  1787. elseif($this->LayoutMode=='continuous')
  1788. $this->_put('/PageLayout /OneColumn');
  1789. elseif($this->LayoutMode=='two')
  1790. $this->_put('/PageLayout /TwoColumnLeft');
  1791. }
  1792. protected function _putheader()
  1793. {
  1794. $this->_put('%PDF-'.$this->PDFVersion);
  1795. }
  1796. protected function _puttrailer()
  1797. {
  1798. $this->_put('/Size '.($this->n+1));
  1799. $this->_put('/Root '.$this->n.' 0 R');
  1800. $this->_put('/Info '.($this->n-1).' 0 R');
  1801. }
  1802. protected function _enddoc()
  1803. {
  1804. $this->CreationDate = time();
  1805. $this->_putheader();
  1806. $this->_putpages();
  1807. $this->_putresources();
  1808. // Info
  1809. $this->_newobj();
  1810. $this->_put('<<');
  1811. $this->_putinfo();
  1812. $this->_put('>>');
  1813. $this->_put('endobj');
  1814. // Catalog
  1815. $this->_newobj();
  1816. $this->_put('<<');
  1817. $this->_putcatalog();
  1818. $this->_put('>>');
  1819. $this->_put('endobj');
  1820. // Cross-ref
  1821. $offset = $this->_getoffset();
  1822. $this->_put('xref');
  1823. $this->_put('0 '.($this->n+1));
  1824. $this->_put('0000000000 65535 f ');
  1825. for($i=1;$i<=$this->n;$i++)
  1826. $this->_put(sprintf('%010d 00000 n ',$this->offsets[$i]));
  1827. // Trailer
  1828. $this->_put('trailer');
  1829. $this->_put('<<');
  1830. $this->_puttrailer();
  1831. $this->_put('>>');
  1832. $this->_put('startxref');
  1833. $this->_put($offset);
  1834. $this->_put('%%EOF');
  1835. $this->state = 3;
  1836. }
  1837. }
  1838. ?>