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Merge pull request #115 from defrance/patch-1

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Introduce other version of pdfA (2 and 3)
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Nicola Asuni 2019-09-19 10:19:44 +01:00 committed by GitHub
commit b00a4ed46c
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1 changed files with 37 additions and 13 deletions
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tcpdf.php
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@ -1760,6 +1760,13 @@ class TCPDF {
*/
protected $pdfa_mode = false;
/**
* version of PDF/A mode (1 - 3).
* @protected
* @since 6.2.26 (2019-03-12)
*/
protected $pdfa_version = 1;
/**
* Document creation date-time
* @protected
@ -1834,7 +1841,7 @@ class TCPDF {
* @param $unicode (boolean) TRUE means that the input text is unicode (default = true)
* @param $encoding (string) Charset encoding (used only when converting back html entities); default is UTF-8.
* @param $diskcache (boolean) DEPRECATED FEATURE
* @param $pdfa (boolean) If TRUE set the document to PDF/A mode.
* @param $pdfa (integer) If not false, set the document to PDF/A mode and the good version (1 or 3).
* @public
* @see getPageSizeFromFormat(), setPageFormat()
*/
@ -1850,8 +1857,14 @@ class TCPDF {
$this->font_obj_ids = array();
$this->page_obj_id = array();
$this->form_obj_id = array();
// set pdf/a mode
$this->pdfa_mode = $pdfa;
if ($pdfa != false) {
$this->pdfa_mode = true;
$this->pdfa_version = $pdfa; // 1 or 3
} else
$this->pdfa_mode = false;
$this->force_srgb = false;
// set language direction
$this->rtl = false;
@ -2828,10 +2841,13 @@ class TCPDF {
* @since 1.4
*/
public function SetCompression($compress=true) {
$this->compress = false;
if (function_exists('gzcompress')) {
$this->compress = $compress ? true : false;
} else {
$this->compress = false;
if ($compress) {
if ( !$this->pdfa_mode) {
$this->compress = true;
}
}
}
}
@ -4807,7 +4823,7 @@ class TCPDF {
$this->PageAnnots[$page] = array();
}
$this->PageAnnots[$page][] = array('n' => ++$this->n, 'x' => $x, 'y' => $y, 'w' => $w, 'h' => $h, 'txt' => $text, 'opt' => $opt, 'numspaces' => $spaces);
if (!$this->pdfa_mode) {
if (!$this->pdfa_mode || ($this->pdfa_mode && $this->pdfa_version == 3)) {
if ((($opt['Subtype'] == 'FileAttachment') OR ($opt['Subtype'] == 'Sound')) AND (!TCPDF_STATIC::empty_string($opt['FS']))
AND (@TCPDF_STATIC::file_exists($opt['FS']) OR TCPDF_STATIC::isValidURL($opt['FS']))
AND (!isset($this->embeddedfiles[basename($opt['FS'])]))) {
@ -4833,8 +4849,8 @@ class TCPDF {
* @see Annotation()
*/
protected function _putEmbeddedFiles() {
if ($this->pdfa_mode) {
// embedded files are not allowed in PDF/A mode
if ($this->pdfa_mode && $this->pdfa_version != 3) {
// embedded files are not allowed in PDF/A mode version 1 and 2
return;
}
reset($this->embeddedfiles);
@ -4847,7 +4863,10 @@ class TCPDF {
$this->efnames[$filename] = $filedata['f'].' 0 R';
// embedded file specification object
$out = $this->_getobj($filedata['f'])."\n";
$out .= '<</Type /Filespec /F '.$this->_datastring($filename, $filedata['f']).' /EF <</F '.$filedata['n'].' 0 R>> >>';
$out .= '<</Type /Filespec /F '.$this->_datastring($filename, $filedata['f']);
$out .= ' /UF '.$this->_datastring($filename, $filedata['f']);
$out .= ' /AFRelationship /Source';
$out .= ' /EF <</F '.$filedata['n'].' 0 R>> >>';
$out .= "\n".'endobj';
$this->_out($out);
// embedded file object
@ -4856,6 +4875,11 @@ class TCPDF {
$data = gzcompress($data);
$filter = ' /Filter /FlateDecode';
}
if ($this->pdfa_version == 3) {
$filter = ' /Subtype /text#2Fxml';
}
$stream = $this->_getrawstream($data, $filedata['n']);
$out = $this->_getobj($filedata['n'])."\n";
$out .= '<< /Type /EmbeddedFile'.$filter.' /Length '.strlen($stream).' /Params <</Size '.$rawsize.'>> >>';
@ -8496,8 +8520,8 @@ class TCPDF {
break;
}
case 'fileattachment': {
if ($this->pdfa_mode) {
// embedded files are not allowed in PDF/A mode
if ($this->pdfa_mode && $this->pdfa_version != 3) {
// embedded files are not allowed in PDF/A mode version 1 and 2
break;
}
if (!isset($pl['opt']['fs'])) {
@ -9578,7 +9602,7 @@ class TCPDF {
$xmp .= "\t\t".'</rdf:Description>'."\n";
if ($this->pdfa_mode) {
$xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/">'."\n";
$xmp .= "\t\t\t".'<pdfaid:part>1</pdfaid:part>'."\n";
$xmp .= "\t\t\t".'<pdfaid:part>'.$this->pdfa_version.'</pdfaid:part>'."\n";
$xmp .= "\t\t\t".'<pdfaid:conformance>B</pdfaid:conformance>'."\n";
$xmp .= "\t\t".'</rdf:Description>'."\n";
}
@ -13997,7 +14021,7 @@ class TCPDF {
* @since 3.1.000 (2008-06-09)
*/
public function setPDFVersion($version='1.7') {
if ($this->pdfa_mode) {
if ($this->pdfa_mode && $this->pdfa_version == 1 ) {
// PDF/A mode
$this->PDFVersion = '1.4';
} else {