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fpdi.php @ 21867

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Revision 21867, 17.5 KB checked in by nakanishi, 12 years ago (diff)
#1831 Copyright Update

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1	<?php
2	//
3	// FPDI - Version 1.4.1
4	//
5	// Copyright 2004-2011 Setasign - Jan Slabon
6	//
7	// Licensed under the Apache License, Version 2.0 (the "License");
8	// you may not use this file except in compliance with the License.
9	// You may obtain a copy of the License at
10	//
11	// http://www.apache.org/licenses/LICENSE-2.0
12	//
13	// Unless required by applicable law or agreed to in writing, software
14	// distributed under the License is distributed on an "AS IS" BASIS,
15	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16	// See the License for the specific language governing permissions and
17	// limitations under the License.
18	//
19
20	define('FPDI_VERSION', '1.4.1');
21
22	// Check for TCPDF and remap TCPDF to FPDF
23	if (class_exists('TCPDF', false)) {
24	require_once('fpdi2tcpdf_bridge.php');
25	}
26
27	require_once('fpdf_tpl.php');
28	require_once('fpdi_pdf_parser.php');
29
30
31	class FPDI extends FPDF_TPL {
32	/**
33	* Actual filename
34	* @var string
35	*/
36	var $current_filename;
37
38	/**
39	* Parser-Objects
40	* @var array
41	*/
42	var $parsers;
43
44	/**
45	* Current parser
46	* @var object
47	*/
48	var $current_parser;
49
50	/**
51	* object stack
52	* @var array
53	*/
54	var $_obj_stack;
55
56	/**
57	* done object stack
58	* @var array
59	*/
60	var $_don_obj_stack;
61
62	/**
63	* Current Object Id.
64	* @var integer
65	*/
66	var $_current_obj_id;
67
68	/**
69	* The name of the last imported page box
70	* @var string
71	*/
72	var $lastUsedPageBox;
73
74	/**
75	* Cache for imported pages/template ids
76	* @var array
77	*/
78	var $_importedPages = array();
79
80	/**
81	* Set a source-file
82	*
83	* @param string $filename a valid filename
84	* @return int number of available pages
85	*/
86	function setSourceFile($filename) {
87	$this->current_filename = $filename;
88
89	if (!isset($this->parsers[$filename]))
90	$this->parsers[$filename] = $this->_getPdfParser($filename);
91	$this->current_parser =& $this->parsers[$filename];
92
93	return $this->parsers[$filename]->getPageCount();
94	}
95
96	/**
97	* Returns a PDF parser object
98	*
99	* @param string $filename
100	* @return fpdi_pdf_parser
101	*/
102	function _getPdfParser($filename) {
103	return new fpdi_pdf_parser($filename, $this);
104	}
105
106	/**
107	* Get the current PDF version
108	*
109	* @return string
110	*/
111	function getPDFVersion() {
112	return $this->PDFVersion;
113	}
114
115	/**
116	* Set the PDF version
117	*
118	* @return string
119	*/
120	function setPDFVersion($version = '1.3') {
121	$this->PDFVersion = $version;
122	}
123
124	/**
125	* Import a page
126	*
127	* @param int $pageno pagenumber
128	* @return int Index of imported page - to use with fpdf_tpl::useTemplate()
129	*/
130	function importPage($pageno, $boxName = '/CropBox') {
131	if ($this->_intpl) {
132	return $this->error('Please import the desired pages before creating a new template.');
133	}
134
135	$fn = $this->current_filename;
136
137	// check if page already imported
138	$pageKey = $fn . '-' . ((int)$pageno) . $boxName;
139	if (isset($this->_importedPages[$pageKey]))
140	return $this->_importedPages[$pageKey];
141
142	$parser =& $this->parsers[$fn];
143	$parser->setPageno($pageno);
144
145	if (!in_array($boxName, $parser->availableBoxes))
146	return $this->Error(sprintf('Unknown box: %s', $boxName));
147	$pageboxes = $parser->getPageBoxes($pageno, $this->k);
148
149	/**
150	* MediaBox
151	* CropBox: Default -> MediaBox
152	* BleedBox: Default -> CropBox
153	* TrimBox: Default -> CropBox
154	* ArtBox: Default -> CropBox
155	*/
156	if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' \|\| $boxName == '/TrimBox' \|\| $boxName == '/ArtBox'))
157	$boxName = '/CropBox';
158	if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox')
159	$boxName = '/MediaBox';
160
161	if (!isset($pageboxes[$boxName]))
162	return false;
163	$this->lastUsedPageBox = $boxName;
164
165	$box = $pageboxes[$boxName];
166
167	$this->tpl++;
168	$this->tpls[$this->tpl] = array();
169	$tpl =& $this->tpls[$this->tpl];
170	$tpl['parser'] =& $parser;
171	$tpl['resources'] = $parser->getPageResources();
172	$tpl['buffer'] = $parser->getContent();
173	$tpl['box'] = $box;
174
175	// To build an array that can be used by PDF_TPL::useTemplate()
176	$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box);
177
178	// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
179	$tpl['x'] = 0;
180	$tpl['y'] = 0;
181
182	// handle rotated pages
183	$rotation = $parser->getPageRotation($pageno);
184	$tpl['_rotationAngle'] = 0;
185	if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
186	$steps = $angle / 90;
187
188	$_w = $tpl['w'];
189	$_h = $tpl['h'];
190	$tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
191	$tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
192
193	if ($angle < 0)
194	$angle += 360;
195
196	$tpl['_rotationAngle'] = $angle * -1;
197	}
198
199	$this->_importedPages[$pageKey] = $this->tpl;
200
201	return $this->tpl;
202	}
203
204	function getLastUsedPageBox() {
205	return $this->lastUsedPageBox;
206	}
207
208	function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) {
209	if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
210	$size = $this->getTemplateSize($tplidx, $_w, $_h);
211	$format = array($size['w'], $size['h']);
212	if (is_subclass_of($this, 'TCPDF')) {
213	$this->setPageFormat($format, $format[0] > $format[1] ? 'L' : 'P');
214	} else {
215	if ($format[0] != $this->CurPageFormat[0] \|\| $format[1] != $this->CurPageFormat[1]) {
216	$this->w = $format[0];
217	$this->h = $format[1];
218	$this->wPt = $this->w * $this->k;
219	$this->hPt = $this->h * $this->k;
220	$this->PageBreakTrigger = $this->h - $this->bMargin;
221	$this->CurPageFormat = $format;
222	$this->PageSizes[$this->page] = array($this->wPt, $this->hPt);
223	}
224	}
225	}
226
227	$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
228	$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
229	$this->_out('Q');
230
231	return $s;
232	}
233
234	/**
235	* Private method, that rebuilds all needed objects of source files
236	*/
237	function _putimportedobjects() {
238	if (is_array($this->parsers) && count($this->parsers) > 0) {
239	foreach($this->parsers AS $filename => $p) {
240	$this->current_parser =& $this->parsers[$filename];
241	if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
242	while(($n = key($this->_obj_stack[$filename])) !== null) {
243	$nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c, $this->_obj_stack[$filename][$n][1]);
244
245	$this->_newobj($this->_obj_stack[$filename][$n][0]);
246
247	if ($nObj[0] == PDF_TYPE_STREAM) {
248	$this->pdf_write_value($nObj);
249	} else {
250	$this->pdf_write_value($nObj[1]);
251	}
252
253	$this->_out('endobj');
254	$this->_obj_stack[$filename][$n] = null; // free memory
255	unset($this->_obj_stack[$filename][$n]);
256	reset($this->_obj_stack[$filename]);
257	}
258	}
259	}
260	}
261	}
262
263
264	/**
265	* Private Method that writes the form xobjects
266	*/
267	function _putformxobjects() {
268	$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
269	reset($this->tpls);
270	foreach($this->tpls AS $tplidx => $tpl) {
271	$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
272	$this->_newobj();
273	$cN = $this->n; // TCPDF/Protection: rem current "n"
274
275	$this->tpls[$tplidx]['n'] = $this->n;
276	$this->_out('<<' . $filter . '/Type /XObject');
277	$this->_out('/Subtype /Form');
278	$this->_out('/FormType 1');
279
280	$this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
281	(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
282	(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
283	(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
284	(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
285	));
286
287	$c = 1;
288	$s = 0;
289	$tx = 0;
290	$ty = 0;
291
292	if (isset($tpl['box'])) {
293	$tx = -$tpl['box']['llx'];
294	$ty = -$tpl['box']['lly'];
295
296	if ($tpl['_rotationAngle'] <> 0) {
297	$angle = $tpl['_rotationAngle'] * M_PI/180;
298	$c=cos($angle);
299	$s=sin($angle);
300
301	switch($tpl['_rotationAngle']) {
302	case -90:
303	$tx = -$tpl['box']['lly'];
304	$ty = $tpl['box']['urx'];
305	break;
306	case -180:
307	$tx = $tpl['box']['urx'];
308	$ty = $tpl['box']['ury'];
309	break;
310	case -270:
311	$tx = $tpl['box']['ury'];
312	$ty = -$tpl['box']['llx'];
313	break;
314	}
315	}
316	} else if ($tpl['x'] != 0 \|\| $tpl['y'] != 0) {
317	$tx = -$tpl['x']*2;
318	$ty = $tpl['y']*2;
319	}
320
321	$tx *= $this->k;
322	$ty *= $this->k;
323
324	if ($c != 1 \|\| $s != 0 \|\| $tx != 0 \|\| $ty != 0) {
325	$this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
326	$c, $s, -$s, $c, $tx, $ty
327	));
328	}
329
330	$this->_out('/Resources ');
331
332	if (isset($tpl['resources'])) {
333	$this->current_parser =& $tpl['parser'];
334	$this->pdf_write_value($tpl['resources']); // "n" will be changed
335	} else {
336	$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
337	if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
338	$this->_out('/Font <<');
339	foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
340	$this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
341	$this->_out('>>');
342	}
343	if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) \|\|
344	isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls']))
345	{
346	$this->_out('/XObject <<');
347	if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
348	foreach($this->_res['tpl'][$tplidx]['images'] as $image)
349	$this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
350	}
351	if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
352	foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl)
353	$this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R');
354	}
355	$this->_out('>>');
356	}
357	$this->_out('>>');
358	}
359
360	$nN = $this->n; // TCPDF: rem new "n"
361	$this->n = $cN; // TCPDF: reset to current "n"
362	$this->_out('/Length ' . strlen($p) . ' >>');
363	$this->_putstream($p);
364	$this->_out('endobj');
365	$this->n = $nN; // TCPDF: reset to new "n"
366	}
367
368	$this->_putimportedobjects();
369	}
370
371	/**
372	* Rewritten to handle existing own defined objects
373	*/
374	function _newobj($obj_id = false, $onlynewobj = false) {
375	if (!$obj_id) {
376	$obj_id = ++$this->n;
377	}
378
379	//Begin a new object
380	if (!$onlynewobj) {
381	$this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
382	$this->_out($obj_id . ' 0 obj');
383	$this->_current_obj_id = $obj_id; // for later use with encryption
384	}
385
386	return $obj_id;
387	}
388
389	/**
390	* Writes a value
391	* Needed to rebuild the source document
392	*
393	* @param mixed $value A PDF-Value. Structure of values see cases in this method
394	*/
395	function pdf_write_value(&$value)
396	{
397	if (is_subclass_of($this, 'TCPDF')) {
398	parent::pdf_write_value($value);
399	}
400
401	switch ($value[0]) {
402
403	case PDF_TYPE_TOKEN:
404	$this->_straightOut($value[1] . ' ');
405	break;
406	case PDF_TYPE_NUMERIC:
407	case PDF_TYPE_REAL:
408	if (is_float($value[1]) && $value[1] != 0) {
409	$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
410	} else {
411	$this->_straightOut($value[1] . ' ');
412	}
413	break;
414
415	case PDF_TYPE_ARRAY:
416
417	// An array. Output the proper
418	// structure and move on.
419
420	$this->_straightOut('[');
421	for ($i = 0; $i < count($value[1]); $i++) {
422	$this->pdf_write_value($value[1][$i]);
423	}
424
425	$this->_out(']');
426	break;
427
428	case PDF_TYPE_DICTIONARY:
429
430	// A dictionary.
431	$this->_straightOut('<<');
432
433	reset ($value[1]);
434
435	while (list($k, $v) = each($value[1])) {
436	$this->_straightOut($k . ' ');
437	$this->pdf_write_value($v);
438	}
439
440	$this->_straightOut('>>');
441	break;
442
443	case PDF_TYPE_OBJREF:
444
445	// An indirect object reference
446	// Fill the object stack if needed
447	$cpfn =& $this->current_parser->filename;
448
449	if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
450	$this->_newobj(false, true);
451	$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
452	$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
453	}
454	$objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
455
456	$this->_out($objid . ' 0 R');
457	break;
458
459	case PDF_TYPE_STRING:
460
461	// A string.
462	$this->_straightOut('(' . $value[1] . ')');
463
464	break;
465
466	case PDF_TYPE_STREAM:
467
468	// A stream. First, output the
469	// stream dictionary, then the
470	// stream data itself.
471	$this->pdf_write_value($value[1]);
472	$this->_out('stream');
473	$this->_out($value[2][1]);
474	$this->_out('endstream');
475	break;
476
477	case PDF_TYPE_HEX:
478	$this->_straightOut('<' . $value[1] . '>');
479	break;
480
481	case PDF_TYPE_BOOLEAN:
482	$this->_straightOut($value[1] ? 'true ' : 'false ');
483	break;
484
485	case PDF_TYPE_NULL:
486	// The null object.
487
488	$this->_straightOut('null ');
489	break;
490	}
491	}
492
493
494	/**
495	* Modified so not each call will add a newline to the output.
496	*/
497	function _straightOut($s) {
498	if (!is_subclass_of($this, 'TCPDF')) {
499	if($this->state==2)
500	$this->pages[$this->page] .= $s;
501	else
502	$this->buffer .= $s;
503	} else {
504	if ($this->state == 2) {
505	if (isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) {
506	// puts data before page footer
507	$page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]);
508	$footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]);
509	$this->setPageBuffer($this->page, $page . ' ' . $s . "\n" . $footer);
510	} else {
511	$this->setPageBuffer($this->page, $s, true);
512	}
513	} else {
514	$this->setBuffer($s);
515	}
516	}
517	}
518
519	/**
520	* rewritten to close opened parsers
521	*
522	*/
523	function _enddoc() {
524	parent::_enddoc();
525	$this->_closeParsers();
526	}
527
528	/**
529	* close all files opened by parsers
530	*/
531	function _closeParsers() {
532	if ($this->state > 2 && count($this->parsers) > 0) {
533	foreach ($this->parsers as $k => $_){
534	$this->parsers[$k]->closeFile();
535	$this->parsers[$k] = null;
536	unset($this->parsers[$k]);
537	}
538	return true;
539	}
540	return false;
541	}
542	}

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