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fpdi.php

Revision 712, 16.1 KB (checked in by brieb, 2 years ago)
fixed #393 - issue wth FPDI and php5.3 using depreciated object pointers during creation. added link to phpBMS registration. Doing this in hopes to collect valuable information about phpBMS users and where to guide the project in the future
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1	<?php
2	//
3	// FPDI - Version 1.3.1
4	//
5	// Copyright 2004-2009 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','1.3.1');
21
22	// Check for TCPDF and remap TCPDF to FPDF
23	if (class_exists('TCPDF')) {
24	require_once('fpdi2tcpdf_bridge.php');
25	}
26
27
28	class FPDI extends FPDF_TPL {
29	/**
30	* Actual filename
31	* @var string
32	*/
33	var $current_filename;
34
35	/**
36	* Parser-Objects
37	* @var array
38	*/
39	var $parsers;
40
41	/**
42	* Current parser
43	* @var object
44	*/
45	var $current_parser;
46
47	/**
48	* object stack
49	* @var array
50	*/
51	var $_obj_stack;
52
53	/**
54	* done object stack
55	* @var array
56	*/
57	var $_don_obj_stack;
58
59	/**
60	* Current Object Id.
61	* @var integer
62	*/
63	var $_current_obj_id;
64
65	/**
66	* The name of the last imported page box
67	* @var string
68	*/
69	var $lastUsedPageBox;
70
71	var $_importedPages = array();
72
73
74	/**
75	* Set a source-file
76	*
77	* @param string $filename a valid filename
78	* @return int number of available pages
79	*/
80	function setSourceFile($filename) {
81	$this->current_filename = $filename;
82	$fn =& $this->current_filename;
83
84	if (!isset($this->parsers[$fn]))
85	$this->parsers[$fn] = new fpdi_pdf_parser($fn, $this);
86	$this->current_parser =& $this->parsers[$fn];
87
88	return $this->parsers[$fn]->getPageCount();
89	}
90
91	/**
92	* Import a page
93	*
94	* @param int $pageno pagenumber
95	* @return int Index of imported page - to use with fpdf_tpl::useTemplate()
96	*/
97	function importPage($pageno, $boxName='/CropBox') {
98	if ($this->_intpl) {
99	return $this->error('Please import the desired pages before creating a new template.');
100	}
101
102	$fn =& $this->current_filename;
103
104	// check if page already imported
105	$pageKey = $fn.((int)$pageno).$boxName;
106	if (isset($this->_importedPages[$pageKey]))
107	return $this->_importedPages[$pageKey];
108
109	$parser =& $this->parsers[$fn];
110	$parser->setPageno($pageno);
111
112	$this->tpl++;
113	$this->tpls[$this->tpl] = array();
114	$tpl =& $this->tpls[$this->tpl];
115	$tpl['parser'] =& $parser;
116	$tpl['resources'] = $parser->getPageResources();
117	$tpl['buffer'] = $parser->getContent();
118
119	if (!in_array($boxName, $parser->availableBoxes))
120	return $this->Error(sprintf('Unknown box: %s', $boxName));
121	$pageboxes = $parser->getPageBoxes($pageno);
122
123	/**
124	* MediaBox
125	* CropBox: Default -> MediaBox
126	* BleedBox: Default -> CropBox
127	* TrimBox: Default -> CropBox
128	* ArtBox: Default -> CropBox
129	*/
130	if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' \|\| $boxName == '/TrimBox' \|\| $boxName == '/ArtBox'))
131	$boxName = '/CropBox';
132	if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox')
133	$boxName = '/MediaBox';
134
135	if (!isset($pageboxes[$boxName]))
136	return false;
137	$this->lastUsedPageBox = $boxName;
138
139	$box = $pageboxes[$boxName];
140	$tpl['box'] = $box;
141
142	// To build an array that can be used by PDF_TPL::useTemplate()
143	$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl],$box);
144
145	// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
146	$tpl['x'] = 0;
147	$tpl['y'] = 0;
148
149	$page =& $parser->pages[$parser->pageno];
150
151	// handle rotated pages
152	$rotation = $parser->getPageRotation($pageno);
153	$tpl['_rotationAngle'] = 0;
154	if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
155	$steps = $angle / 90;
156
157	$_w = $tpl['w'];
158	$_h = $tpl['h'];
159	$tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
160	$tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
161
162	$tpl['_rotationAngle'] = $angle*-1;
163	}
164
165	$this->_importedPages[$pageKey] = $this->tpl;
166
167	return $this->tpl;
168	}
169
170	function getLastUsedPageBox() {
171	return $this->lastUsedPageBox;
172	}
173
174	function useTemplate($tplidx, $_x=null, $_y=null, $_w=0, $_h=0, $adjustPageSize=false) {
175	if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
176	$size = $this->getTemplateSize($tplidx, $_w, $_h);
177	$format = array($size['w'], $size['h']);
178	if ($format[0]!=$this->CurPageFormat[0] \|\| $format[1]!=$this->CurPageFormat[1]) {
179	$this->w=$format[0];
180	$this->h=$format[1];
181	$this->wPt=$this->w*$this->k;
182	$this->hPt=$this->h*$this->k;
183	$this->PageBreakTrigger=$this->h-$this->bMargin;
184	$this->CurPageFormat=$format;
185	$this->PageSizes[$this->page]=array($this->wPt, $this->hPt);
186	}
187	}
188
189	$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
190	$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
191	$this->_out('Q');
192	return $s;
193	}
194
195	/**
196	* Private method, that rebuilds all needed objects of source files
197	*/
198	function _putimportedobjects() {
199	if (is_array($this->parsers) && count($this->parsers) > 0) {
200	foreach($this->parsers AS $filename => $p) {
201	$this->current_parser =& $this->parsers[$filename];
202	if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
203	while(($n = key($this->_obj_stack[$filename])) !== null) {
204	$nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c,$this->_obj_stack[$filename][$n][1]);
205
206	$this->_newobj($this->_obj_stack[$filename][$n][0]);
207
208	if ($nObj[0] == PDF_TYPE_STREAM) {
209	$this->pdf_write_value ($nObj);
210	} else {
211	$this->pdf_write_value ($nObj[1]);
212	}
213
214	$this->_out('endobj');
215	$this->_obj_stack[$filename][$n] = null; // free memory
216	unset($this->_obj_stack[$filename][$n]);
217	reset($this->_obj_stack[$filename]);
218	}
219	}
220	}
221	}
222	}
223
224
225	/**
226	* Private Method that writes the form xobjects
227	*/
228	function _putformxobjects() {
229	$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
230	reset($this->tpls);
231	foreach($this->tpls AS $tplidx => $tpl) {
232	$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
233	$this->_newobj();
234	$cN = $this->n; // TCPDF/Protection: rem current "n"
235
236	$this->tpls[$tplidx]['n'] = $this->n;
237	$this->_out('<<'.$filter.'/Type /XObject');
238	$this->_out('/Subtype /Form');
239	$this->_out('/FormType 1');
240
241	$this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
242	(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x'])*$this->k,
243	(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y'])*$this->k,
244	(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x'])*$this->k,
245	(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h']-$tpl['y'])*$this->k
246	));
247
248	$c = 1;
249	$s = 0;
250	$tx = 0;
251	$ty = 0;
252
253	if (isset($tpl['box'])) {
254	$tx = -$tpl['box']['llx'];
255	$ty = -$tpl['box']['lly'];
256
257	if ($tpl['_rotationAngle'] <> 0) {
258	$angle = $tpl['_rotationAngle'] * M_PI/180;
259	$c=cos($angle);
260	$s=sin($angle);
261
262	switch($tpl['_rotationAngle']) {
263	case -90:
264	$tx = -$tpl['box']['lly'];
265	$ty = $tpl['box']['urx'];
266	break;
267	case -180:
268	$tx = $tpl['box']['urx'];
269	$ty = $tpl['box']['ury'];
270	break;
271	case -270:
272	$tx = $tpl['box']['ury'];
273	$ty = 0;
274	break;
275	}
276	}
277	} else if ($tpl['x'] != 0 \|\| $tpl['y'] != 0) {
278	$tx = -$tpl['x']*2;
279	$ty = $tpl['y']*2;
280	}
281
282	$tx *= $this->k;
283	$ty *= $this->k;
284
285	if ($c != 1 \|\| $s != 0 \|\| $tx != 0 \|\| $ty != 0) {
286	$this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
287	$c, $s, -$s, $c, $tx, $ty
288	));
289	}
290
291	$this->_out('/Resources ');
292
293	if (isset($tpl['resources'])) {
294	$this->current_parser =& $tpl['parser'];
295	$this->pdf_write_value($tpl['resources']); // "n" will be changed
296	} else {
297	$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
298	if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
299	$this->_out('/Font <<');
300	foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
301	$this->_out('/F'.$font['i'].' '.$font['n'].' 0 R');
302	$this->_out('>>');
303	}
304	if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) \|\|
305	isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls']))
306	{
307	$this->_out('/XObject <<');
308	if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
309	foreach($this->_res['tpl'][$tplidx]['images'] as $image)
310	$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
311	}
312	if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
313	foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl)
314	$this->_out($this->tplprefix.$i.' '.$tpl['n'].' 0 R');
315	}
316	$this->_out('>>');
317	}
318	$this->_out('>>');
319	}
320
321	$nN = $this->n; // TCPDF: rem new "n"
322	$this->n = $cN; // TCPDF: reset to current "n"
323	$this->_out('/Length '.strlen($p).' >>');
324	$this->_putstream($p);
325	$this->_out('endobj');
326	$this->n = $nN; // TCPDF: reset to new "n"
327	}
328
329	$this->_putimportedobjects();
330	}
331
332	/**
333	* Rewritten to handle existing own defined objects
334	*/
335	function _newobj($obj_id=false,$onlynewobj=false) {
336	if (!$obj_id) {
337	$obj_id = ++$this->n;
338	}
339
340	//Begin a new object
341	if (!$onlynewobj) {
342	$this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
343	$this->_out($obj_id.' 0 obj');
344	$this->_current_obj_id = $obj_id; // for later use with encryption
345	}
346	return $obj_id;
347	}
348
349	/**
350	* Writes a value
351	* Needed to rebuild the source document
352	*
353	* @param mixed $value A PDF-Value. Structure of values see cases in this method
354	*/
355	function pdf_write_value(&$value)
356	{
357	if (is_subclass_of($this, 'TCPDF')) {
358	parent::pdf_write_value($value);
359	}
360
361	switch ($value[0]) {
362
363	case PDF_TYPE_TOKEN :
364	$this->_straightOut($value[1] . ' ');
365	break;
366	case PDF_TYPE_NUMERIC :
367	case PDF_TYPE_REAL :
368	if (is_float($value[1]) && $value[1] != 0) {
369	$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') .' ');
370	} else {
371	$this->_straightOut($value[1] . ' ');
372	}
373	break;
374
375	case PDF_TYPE_ARRAY :
376
377	// An array. Output the proper
378	// structure and move on.
379
380	$this->_straightOut('[');
381	for ($i = 0; $i < count($value[1]); $i++) {
382	$this->pdf_write_value($value[1][$i]);
383	}
384
385	$this->_out(']');
386	break;
387
388	case PDF_TYPE_DICTIONARY :
389
390	// A dictionary.
391	$this->_straightOut('<<');
392
393	reset ($value[1]);
394
395	while (list($k, $v) = each($value[1])) {
396	$this->_straightOut($k . ' ');
397	$this->pdf_write_value($v);
398	}
399
400	$this->_straightOut('>>');
401	break;
402
403	case PDF_TYPE_OBJREF :
404
405	// An indirect object reference
406	// Fill the object stack if needed
407	$cpfn =& $this->current_parser->filename;
408
409	if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
410	$this->_newobj(false,true);
411	$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
412	$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
413	}
414	$objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
415
416	$this->_out($objid.' 0 R');
417	break;
418
419	case PDF_TYPE_STRING :
420
421	// A string.
422	$this->_straightOut('('.$value[1].')');
423
424	break;
425
426	case PDF_TYPE_STREAM :
427
428	// A stream. First, output the
429	// stream dictionary, then the
430	// stream data itself.
431	$this->pdf_write_value($value[1]);
432	$this->_out('stream');
433	$this->_out($value[2][1]);
434	$this->_out('endstream');
435	break;
436	case PDF_TYPE_HEX :
437	$this->_straightOut('<'.$value[1].'>');
438	break;
439
440	case PDF_TYPE_BOOLEAN :
441	$this->_straightOut($value[1] ? 'true ' : 'false ');
442	break;
443
444	case PDF_TYPE_NULL :
445	// The null object.
446
447	$this->_straightOut('null ');
448	break;
449	}
450	}
451
452
453	/**
454	* Modified so not each call will add a newline to the output.
455	*/
456	function _straightOut($s) {
457	if (!is_subclass_of($this, 'TCPDF')) {
458	if($this->state==2)
459	$this->pages[$this->page] .= $s;
460	else
461	$this->buffer .= $s;
462	} else {
463	if ($this->state == 2) {
464	if (isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) {
465	// puts data before page footer
466	$page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]);
467	$footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]);
468	$this->setPageBuffer($this->page, $page.' '.$s."\n".$footer);
469	} else {
470	$this->setPageBuffer($this->page, $s, true);
471	}
472	} else {
473	$this->setBuffer($s);
474	}
475	}
476	}
477
478	/**
479	* rewritten to close opened parsers
480	*
481	*/
482	function _enddoc() {
483	parent::_enddoc();
484	$this->_closeParsers();
485	}
486
487	/**
488	* close all files opened by parsers
489	*/
490	function _closeParsers() {
491	if ($this->state > 2 && count($this->parsers) > 0) {
492	foreach ($this->parsers as $k => $_){
493	$this->parsers[$k]->closeFile();
494	$this->parsers[$k] = null;
495	unset($this->parsers[$k]);
496	}
497	return true;
498	}
499	return false;
500	}
501
502	}

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