 . ')
';
```
Watch https://github.com/dompdf/dompdf/issues/320 for progress
* Does not support CSS flexbox.
* Does not support CSS Grid.
---
[](http://goo.gl/DSvWf)
*If you find this project useful, please consider making a donation.
Any funds donated will be used to help further development on this project.)*
2.0.8
{
"name": "dompdf/dompdf",
"type": "library",
"description": "DOMPDF is a CSS 2.1 compliant HTML to PDF converter",
"homepage": "https://github.com/dompdf/dompdf",
"license": "LGPL-2.1",
"authors": [
{
"name": "The Dompdf Community",
"homepage": "https://github.com/dompdf/dompdf/blob/master/AUTHORS.md"
}
],
"autoload": {
"psr-4": {
"Dompdf\\": "src/"
},
"classmap": [
"lib/"
]
},
"autoload-dev": {
"psr-4": {
"Dompdf\\Tests\\": "tests/"
}
},
"require": {
"php": "^7.1 || ^8.0",
"ext-dom": "*",
"ext-mbstring": "*",
"masterminds/html5": "^2.0",
"phenx/php-font-lib": ">=0.5.4 <1.0.0",
"phenx/php-svg-lib": ">=0.5.2 <1.0.0"
},
"require-dev": {
"ext-json": "*",
"ext-zip": "*",
"phpunit/phpunit": "^7.5 || ^8 || ^9",
"squizlabs/php_codesniffer": "^3.5",
"mockery/mockery": "^1.3"
},
"suggest": {
"ext-gd": "Needed to process images",
"ext-imagick": "Improves image processing performance",
"ext-gmagick": "Improves image processing performance",
"ext-zlib": "Needed for pdf stream compression"
}
}
"Normal", "opacity" => 1.0];
/**
* array Current fill transparency (partial graphics state)
*/
public $currentFillTransparency = ["mode" => "Normal", "opacity" => 1.0];
/**
* @var array An array which is used to save the state of the document, mainly the colors and styles
* it is used to temporarily change to another state, then change back to what it was before
*/
public $stateStack = [];
/**
* @var integer Number of elements within the state stack
*/
public $nStateStack = 0;
/**
* @var integer Number of page objects within the document
*/
public $numPages = 0;
/**
* @var array Object Id storage stack
*/
public $stack = [];
/**
* @var integer Number of elements within the object Id storage stack
*/
public $nStack = 0;
/**
* an array which contains information about the objects which are not firmly attached to pages
* these have been added with the addObject function
*/
public $looseObjects = [];
/**
* array contains information about how the loose objects are to be added to the document
*/
public $addLooseObjects = [];
/**
* @var integer The objectId of the information object for the document
* this contains authorship, title etc.
*/
public $infoObject = 0;
/**
* @var integer Number of images being tracked within the document
*/
public $numImages = 0;
/**
* @var array An array containing options about the document
* it defaults to turning on the compression of the objects
*/
public $options = ['compression' => true];
/**
* @var integer The objectId of the first page of the document
*/
public $firstPageId;
/**
* @var integer The object Id of the procset object
*/
public $procsetObjectId;
/**
* @var array Store the information about the relationship between font families
* this used so that the code knows which font is the bold version of another font, etc.
* the value of this array is initialised in the constructor function.
*/
public $fontFamilies = [];
/**
* @var string Folder for php serialized formats of font metrics files.
* If empty string, use same folder as original metrics files.
* This can be passed in from class creator.
* If this folder does not exist or is not writable, Cpdf will be **much** slower.
* Because of potential trouble with php safe mode, folder cannot be created at runtime.
*/
public $fontcache = '';
/**
* @var integer The version of the font metrics cache file.
* This value must be manually incremented whenever the internal font data structure is modified.
*/
public $fontcacheVersion = 6;
/**
* @var string Temporary folder.
* If empty string, will attempt system tmp folder.
* This can be passed in from class creator.
*/
public $tmp = '';
/**
* @var string Track if the current font is bolded or italicised
*/
public $currentTextState = '';
/**
* @var string Messages are stored here during processing, these can be selected afterwards to give some useful debug information
*/
public $messages = '';
/**
* @var string The encryption array for the document encryption is stored here
*/
public $arc4 = '';
/**
* @var integer The object Id of the encryption information
*/
public $arc4_objnum = 0;
/**
* @var string The file identifier, used to uniquely identify a pdf document
*/
public $fileIdentifier = '';
/**
* @var boolean A flag to say if a document is to be encrypted or not
*/
public $encrypted = false;
/**
* @var string The encryption key for the encryption of all the document content (structure is not encrypted)
*/
public $encryptionKey = '';
/**
* @var array Array which forms a stack to keep track of nested callback functions
*/
public $callback = [];
/**
* @var integer The number of callback functions in the callback array
*/
public $nCallback = 0;
/**
* @var array Store label->id pairs for named destinations, these will be used to replace internal links
* done this way so that destinations can be defined after the location that links to them
*/
public $destinations = [];
/**
* @var array Store the stack for the transaction commands, each item in here is a record of the values of all the
* publiciables within the class, so that the user can rollback at will (from each 'start' command)
* note that this includes the objects array, so these can be large.
*/
public $checkpoint = '';
/**
* @var array Table of Image origin filenames and image labels which were already added with o_image().
* Allows to merge identical images
*/
public $imagelist = [];
/**
* @var array Table of already added alpha and plain image files for transparent PNG images.
*/
protected $imageAlphaList = [];
/**
* @var array List of temporary image files to be deleted after processing.
*/
protected $imageCache = [];
/**
* @var boolean Whether the text passed in should be treated as Unicode or just local character set.
*/
public $isUnicode = false;
/**
* @var string the JavaScript code of the document
*/
public $javascript = '';
/**
* @var boolean whether the compression is possible
*/
protected $compressionReady = false;
/**
* @var array Current page size
*/
protected $currentPageSize = ["width" => 0, "height" => 0];
/**
* @var array All the chars that will be required in the font subsets
*/
protected $stringSubsets = [];
/**
* @var string The target internal encoding
*/
protected static $targetEncoding = 'Windows-1252';
/**
* @var array
*/
protected $byteRange = array();
/**
* @var array The list of the core fonts
*/
protected static $coreFonts = [
'courier',
'courier-bold',
'courier-oblique',
'courier-boldoblique',
'helvetica',
'helvetica-bold',
'helvetica-oblique',
'helvetica-boldoblique',
'times-roman',
'times-bold',
'times-italic',
'times-bolditalic',
'symbol',
'zapfdingbats'
];
/**
* Class constructor
* This will start a new document
*
* @param array $pageSize Array of 4 numbers, defining the bottom left and upper right corner of the page. first two are normally zero.
* @param boolean $isUnicode Whether text will be treated as Unicode or not.
* @param string $fontcache The font cache folder
* @param string $tmp The temporary folder
*/
function __construct($pageSize = [0, 0, 612, 792], $isUnicode = false, $fontcache = '', $tmp = '')
{
$this->isUnicode = $isUnicode;
$this->fontcache = rtrim($fontcache, DIRECTORY_SEPARATOR."/\\");
$this->tmp = ($tmp !== '' ? $tmp : sys_get_temp_dir());
$this->newDocument($pageSize);
$this->compressionReady = function_exists('gzcompress');
if (in_array('Windows-1252', mb_list_encodings())) {
self::$targetEncoding = 'Windows-1252';
}
// also initialize the font families that are known about already
$this->setFontFamily('init');
}
public function __destruct()
{
foreach ($this->imageCache as $file) {
if (file_exists($file)) {
unlink($file);
}
}
}
/**
* Document object methods (internal use only)
*
* There is about one object method for each type of object in the pdf document
* Each function has the same call list ($id,$action,$options).
* $id = the object ID of the object, or what it is to be if it is being created
* $action = a string specifying the action to be performed, though ALL must support:
* 'new' - create the object with the id $id
* 'out' - produce the output for the pdf object
* $options = optional, a string or array containing the various parameters for the object
*
* These, in conjunction with the output function are the ONLY way for output to be produced
* within the pdf 'file'.
*/
/**
* Destination object, used to specify the location for the user to jump to, presently on opening
*
* @param $id
* @param $action
* @param string $options
* @return string|null
*/
protected function o_destination($id, $action, $options = '')
{
switch ($action) {
case 'new':
$this->objects[$id] = ['t' => 'destination', 'info' => []];
$tmp = '';
switch ($options['type']) {
case 'XYZ':
/** @noinspection PhpMissingBreakStatementInspection */
case 'FitR':
$tmp = ' ' . $options['p3'] . $tmp;
case 'FitH':
case 'FitV':
case 'FitBH':
/** @noinspection PhpMissingBreakStatementInspection */
case 'FitBV':
$tmp = ' ' . $options['p1'] . ' ' . $options['p2'] . $tmp;
case 'Fit':
case 'FitB':
$tmp = $options['type'] . $tmp;
$this->objects[$id]['info']['string'] = $tmp;
$this->objects[$id]['info']['page'] = $options['page'];
}
break;
case 'out':
$o = &$this->objects[$id];
$tmp = $o['info'];
$res = "\n$id 0 obj\n" . '[' . $tmp['page'] . ' 0 R /' . $tmp['string'] . "]\nendobj";
return $res;
}
return null;
}
/**
* set the viewer preferences
*
* @param $id
* @param $action
* @param string|array $options
* @return string|null
*/
protected function o_viewerPreferences($id, $action, $options = '')
{
switch ($action) {
case 'new':
$this->objects[$id] = ['t' => 'viewerPreferences', 'info' => []];
break;
case 'add':
$o = &$this->objects[$id];
foreach ($options as $k => $v) {
switch ($k) {
// Boolean keys
case 'HideToolbar':
case 'HideMenubar':
case 'HideWindowUI':
case 'FitWindow':
case 'CenterWindow':
case 'DisplayDocTitle':
case 'PickTrayByPDFSize':
$o['info'][$k] = (bool)$v;
break;
// Integer keys
case 'NumCopies':
$o['info'][$k] = (int)$v;
break;
// Name keys
case 'ViewArea':
case 'ViewClip':
case 'PrintClip':
case 'PrintArea':
$o['info'][$k] = (string)$v;
break;
// Named with limited valid values
case 'NonFullScreenPageMode':
if (!in_array($v, ['UseNone', 'UseOutlines', 'UseThumbs', 'UseOC'])) {
break;
}
$o['info'][$k] = $v;
break;
case 'Direction':
if (!in_array($v, ['L2R', 'R2L'])) {
break;
}
$o['info'][$k] = $v;
break;
case 'PrintScaling':
if (!in_array($v, ['None', 'AppDefault'])) {
break;
}
$o['info'][$k] = $v;
break;
case 'Duplex':
if (!in_array($v, ['None', 'Simplex', 'DuplexFlipShortEdge', 'DuplexFlipLongEdge'])) {
break;
}
$o['info'][$k] = $v;
break;
// Integer array
case 'PrintPageRange':
// Cast to integer array
foreach ($v as $vK => $vV) {
$v[$vK] = (int)$vV;
}
$o['info'][$k] = array_values($v);
break;
}
}
break;
case 'out':
$o = &$this->objects[$id];
$res = "\n$id 0 obj\n<< ";
foreach ($o['info'] as $k => $v) {
if (is_string($v)) {
$v = '/' . $v;
} elseif (is_int($v)) {
$v = (string) $v;
} elseif (is_bool($v)) {
$v = ($v ? 'true' : 'false');
} elseif (is_array($v)) {
$v = '[' . implode(' ', $v) . ']';
}
$res .= "\n/$k $v";
}
$res .= "\n>>\nendobj";
return $res;
}
return null;
}
/**
* define the document catalog, the overall controller for the document
*
* @param $id
* @param $action
* @param string|array $options
* @return string|null
*/
protected function o_catalog($id, $action, $options = '')
{
if ($action !== 'new') {
$o = &$this->objects[$id];
}
switch ($action) {
case 'new':
$this->objects[$id] = ['t' => 'catalog', 'info' => []];
$this->catalogId = $id;
break;
case 'acroform':
case 'outlines':
case 'pages':
case 'openHere':
case 'names':
$o['info'][$action] = $options;
break;
case 'viewerPreferences':
if (!isset($o['info']['viewerPreferences'])) {
$this->numObj++;
$this->o_viewerPreferences($this->numObj, 'new');
$o['info']['viewerPreferences'] = $this->numObj;
}
$vp = $o['info']['viewerPreferences'];
$this->o_viewerPreferences($vp, 'add', $options);
break;
case 'out':
$res = "\n$id 0 obj\n<< /Type /Catalog";
foreach ($o['info'] as $k => $v) {
switch ($k) {
case 'outlines':
$res .= "\n/Outlines $v 0 R";
break;
case 'pages':
$res .= "\n/Pages $v 0 R";
break;
case 'viewerPreferences':
$res .= "\n/ViewerPreferences $v 0 R";
break;
case 'openHere':
$res .= "\n/OpenAction $v 0 R";
break;
case 'names':
$res .= "\n/Names $v 0 R";
break;
case 'acroform':
$res .= "\n/AcroForm $v 0 R";
break;
}
}
$res .= " >>\nendobj";
return $res;
}
return null;
}
/**
* object which is a parent to the pages in the document
*
* @param $id
* @param $action
* @param string $options
* @return string|null
*/
protected function o_pages($id, $action, $options = '')
{
if ($action !== 'new') {
$o = &$this->objects[$id];
}
switch ($action) {
case 'new':
$this->objects[$id] = ['t' => 'pages', 'info' => []];
$this->o_catalog($this->catalogId, 'pages', $id);
break;
case 'page':
if (!is_array($options)) {
// then it will just be the id of the new page
$o['info']['pages'][] = $options;
} else {
// then it should be an array having 'id','rid','pos', where rid=the page to which this one will be placed relative
// and pos is either 'before' or 'after', saying where this page will fit.
if (isset($options['id']) && isset($options['rid']) && isset($options['pos'])) {
$i = array_search($options['rid'], $o['info']['pages']);
if (isset($o['info']['pages'][$i]) && $o['info']['pages'][$i] == $options['rid']) {
// then there is a match
// make a space
switch ($options['pos']) {
case 'before':
$k = $i;
break;
case 'after':
$k = $i + 1;
break;
default:
$k = -1;
break;
}
if ($k >= 0) {
for ($j = count($o['info']['pages']) - 1; $j >= $k; $j--) {
$o['info']['pages'][$j + 1] = $o['info']['pages'][$j];
}
$o['info']['pages'][$k] = $options['id'];
}
}
}
}
break;
case 'procset':
$o['info']['procset'] = $options;
break;
case 'mediaBox':
$o['info']['mediaBox'] = $options;
// which should be an array of 4 numbers
$this->currentPageSize = ['width' => $options[2], 'height' => $options[3]];
break;
case 'font':
$o['info']['fonts'][] = ['objNum' => $options['objNum'], 'fontNum' => $options['fontNum']];
break;
case 'extGState':
$o['info']['extGStates'][] = ['objNum' => $options['objNum'], 'stateNum' => $options['stateNum']];
break;
case 'xObject':
$o['info']['xObjects'][] = ['objNum' => $options['objNum'], 'label' => $options['label']];
break;
case 'out':
if (count($o['info']['pages'])) {
$res = "\n$id 0 obj\n<< /Type /Pages\n/Kids [";
foreach ($o['info']['pages'] as $v) {
$res .= "$v 0 R\n";
}
$res .= "]\n/Count " . count($this->objects[$id]['info']['pages']);
if ((isset($o['info']['fonts']) && count($o['info']['fonts'])) ||
isset($o['info']['procset']) ||
(isset($o['info']['extGStates']) && count($o['info']['extGStates']))
) {
$res .= "\n/Resources <<";
if (isset($o['info']['procset'])) {
$res .= "\n/ProcSet " . $o['info']['procset'] . " 0 R";
}
if (isset($o['info']['fonts']) && count($o['info']['fonts'])) {
$res .= "\n/Font << ";
foreach ($o['info']['fonts'] as $finfo) {
$res .= "\n/F" . $finfo['fontNum'] . " " . $finfo['objNum'] . " 0 R";
}
$res .= "\n>>";
}
if (isset($o['info']['xObjects']) && count($o['info']['xObjects'])) {
$res .= "\n/XObject << ";
foreach ($o['info']['xObjects'] as $finfo) {
$res .= "\n/" . $finfo['label'] . " " . $finfo['objNum'] . " 0 R";
}
$res .= "\n>>";
}
if (isset($o['info']['extGStates']) && count($o['info']['extGStates'])) {
$res .= "\n/ExtGState << ";
foreach ($o['info']['extGStates'] as $gstate) {
$res .= "\n/GS" . $gstate['stateNum'] . " " . $gstate['objNum'] . " 0 R";
}
$res .= "\n>>";
}
$res .= "\n>>";
if (isset($o['info']['mediaBox'])) {
$tmp = $o['info']['mediaBox'];
$res .= "\n/MediaBox [" . sprintf(
'%.3F %.3F %.3F %.3F',
$tmp[0],
$tmp[1],
$tmp[2],
$tmp[3]
) . ']';
}
}
$res .= "\n >>\nendobj";
} else {
$res = "\n$id 0 obj\n<< /Type /Pages\n/Count 0\n>>\nendobj";
}
return $res;
}
return null;
}
/**
* define the outlines in the doc, empty for now
*
* @param $id
* @param $action
* @param string $options
* @return string|null
*/
protected function o_outlines($id, $action, $options = '')
{
if ($action !== 'new') {
$o = &$this->objects[$id];
}
switch ($action) {
case 'new':
$this->objects[$id] = ['t' => 'outlines', 'info' => ['outlines' => []]];
$this->o_catalog($this->catalogId, 'outlines', $id);
break;
case 'outline':
$o['info']['outlines'][] = $options;
break;
case 'out':
if (count($o['info']['outlines'])) {
$res = "\n$id 0 obj\n<< /Type /Outlines /Kids [";
foreach ($o['info']['outlines'] as $v) {
$res .= "$v 0 R ";
}
$res .= "] /Count " . count($o['info']['outlines']) . " >>\nendobj";
} else {
$res = "\n$id 0 obj\n<< /Type /Outlines /Count 0 >>\nendobj";
}
return $res;
}
return null;
}
/**
* an object to hold the font description
*
* @param $id
* @param $action
* @param string|array $options
* @return string|null
* @throws FontNotFoundException
*/
protected function o_font($id, $action, $options = '')
{
if ($action !== 'new') {
$o = &$this->objects[$id];
}
switch ($action) {
case 'new':
$this->objects[$id] = [
't' => 'font',
'info' => [
'name' => $options['name'],
'fontFileName' => $options['fontFileName'],
'SubType' => 'Type1',
'isSubsetting' => $options['isSubsetting']
]
];
$fontNum = $this->numFonts;
$this->objects[$id]['info']['fontNum'] = $fontNum;
// deal with the encoding and the differences
if (isset($options['differences'])) {
// then we'll need an encoding dictionary
$this->numObj++;
$this->o_fontEncoding($this->numObj, 'new', $options);
$this->objects[$id]['info']['encodingDictionary'] = $this->numObj;
} else {
if (isset($options['encoding'])) {
// we can specify encoding here
switch ($options['encoding']) {
case 'WinAnsiEncoding':
case 'MacRomanEncoding':
case 'MacExpertEncoding':
$this->objects[$id]['info']['encoding'] = $options['encoding'];
break;
case 'none':
break;
default:
$this->objects[$id]['info']['encoding'] = 'WinAnsiEncoding';
break;
}
} else {
$this->objects[$id]['info']['encoding'] = 'WinAnsiEncoding';
}
}
if ($this->fonts[$options['fontFileName']]['isUnicode']) {
// For Unicode fonts, we need to incorporate font data into
// sub-sections that are linked from the primary font section.
// Look at o_fontGIDtoCID and o_fontDescendentCID functions
// for more information.
//
// All of this code is adapted from the excellent changes made to
// transform FPDF to TCPDF (http://tcpdf.sourceforge.net/)
$toUnicodeId = ++$this->numObj;
$this->o_toUnicode($toUnicodeId, 'new');
$this->objects[$id]['info']['toUnicode'] = $toUnicodeId;
$cidFontId = ++$this->numObj;
$this->o_fontDescendentCID($cidFontId, 'new', $options);
$this->objects[$id]['info']['cidFont'] = $cidFontId;
}
// also tell the pages node about the new font
$this->o_pages($this->currentNode, 'font', ['fontNum' => $fontNum, 'objNum' => $id]);
break;
case 'add':
$font_options = $this->processFont($id, $o['info']);
if ($font_options !== false) {
foreach ($font_options as $k => $v) {
switch ($k) {
case 'BaseFont':
$o['info']['name'] = $v;
break;
case 'FirstChar':
case 'LastChar':
case 'Widths':
case 'FontDescriptor':
case 'SubType':
$this->addMessage('o_font ' . $k . " : " . $v);
$o['info'][$k] = $v;
break;
}
}
// pass values down to descendent font
if (isset($o['info']['cidFont'])) {
$this->o_fontDescendentCID($o['info']['cidFont'], 'add', $font_options);
}
}
break;
case 'out':
if ($this->fonts[$this->objects[$id]['info']['fontFileName']]['isUnicode']) {
// For Unicode fonts, we need to incorporate font data into
// sub-sections that are linked from the primary font section.
// Look at o_fontGIDtoCID and o_fontDescendentCID functions
// for more information.
//
// All of this code is adapted from the excellent changes made to
// transform FPDF to TCPDF (http://tcpdf.sourceforge.net/)
$res = "\n$id 0 obj\n<fonts[$fontFileName])) {
return false;
}
$font = &$this->fonts[$fontFileName];
$fileSuffix = $font['fileSuffix'];
$fileSuffixLower = strtolower($font['fileSuffix']);
$fbfile = "$fontFileName.$fileSuffix";
$isTtfFont = $fileSuffixLower === 'ttf';
$isPfbFont = $fileSuffixLower === 'pfb';
$this->addMessage('selectFont: checking for - ' . $fbfile);
if (!$fileSuffix) {
$this->addMessage(
'selectFont: pfb or ttf file not found, ok if this is one of the 14 standard fonts'
);
return false;
} else {
$adobeFontName = isset($font['PostScriptName']) ? $font['PostScriptName'] : $font['FontName'];
// $fontObj = $this->numObj;
$this->addMessage("selectFont: adding font file - $fbfile - $adobeFontName");
// find the array of font widths, and put that into an object.
$firstChar = -1;
$lastChar = 0;
$widths = [];
$cid_widths = [];
foreach ($font['C'] as $num => $d) {
if (intval($num) > 0 || $num == '0') {
if (!$font['isUnicode']) {
// With Unicode, widths array isn't used
if ($lastChar > 0 && $num > $lastChar + 1) {
for ($i = $lastChar + 1; $i < $num; $i++) {
$widths[] = 0;
}
}
}
$widths[] = $d;
if ($font['isUnicode']) {
$cid_widths[$num] = $d;
}
if ($firstChar == -1) {
$firstChar = $num;
}
$lastChar = $num;
}
}
// also need to adjust the widths for the differences array
if (isset($object['differences'])) {
foreach ($object['differences'] as $charNum => $charName) {
if ($charNum > $lastChar) {
if (!$object['isUnicode']) {
// With Unicode, widths array isn't used
for ($i = $lastChar + 1; $i <= $charNum; $i++) {
$widths[] = 0;
}
}
$lastChar = $charNum;
}
if (isset($font['C'][$charName])) {
$widths[$charNum - $firstChar] = $font['C'][$charName];
if ($font['isUnicode']) {
$cid_widths[$charName] = $font['C'][$charName];
}
}
}
}
if ($font['isUnicode']) {
$font['CIDWidths'] = $cid_widths;
}
$this->addMessage('selectFont: FirstChar = ' . $firstChar);
$this->addMessage('selectFont: LastChar = ' . $lastChar);
$widthid = -1;
if (!$font['isUnicode']) {
// With Unicode, widths array isn't used
$this->numObj++;
$this->o_contents($this->numObj, 'new', 'raw');
$this->objects[$this->numObj]['c'] .= '[' . implode(' ', $widths) . ']';
$widthid = $this->numObj;
}
$missing_width = 500;
$stemV = 70;
if (isset($font['MissingWidth'])) {
$missing_width = $font['MissingWidth'];
}
if (isset($font['StdVW'])) {
$stemV = $font['StdVW'];
} else {
if (isset($font['Weight']) && preg_match('!(bold|black)!i', $font['Weight'])) {
$stemV = 120;
}
}
// load the pfb file, and put that into an object too.
// note that pdf supports only binary format type 1 font files, though there is a
// simple utility to convert them from pfa to pfb.
if (!$font['isSubsetting']) {
$data = file_get_contents($fbfile);
} else {
$adobeFontName = $this->getFontSubsettingTag($font) . '+' . $adobeFontName;
$this->stringSubsets[$fontFileName][] = 32; // Force space if not in yet
$subset = $this->stringSubsets[$fontFileName];
sort($subset);
// Load font
$font_obj = Font::load($fbfile);
$font_obj->parse();
// Define subset
$font_obj->setSubset($subset);
$font_obj->reduce();
// Write new font
$tmp_name = @tempnam($this->tmp, "cpdf_subset_");
$font_obj->open($tmp_name, BinaryStream::modeReadWrite);
$font_obj->encode(["OS/2"]);
$font_obj->close();
// Parse the new font to get cid2gid and widths
$font_obj = Font::load($tmp_name);
// Find Unicode char map table
$subtable = null;
foreach ($font_obj->getData("cmap", "subtables") as $_subtable) {
if ($_subtable["platformID"] == 0 || $_subtable["platformID"] == 3 && $_subtable["platformSpecificID"] == 1) {
$subtable = $_subtable;
break;
}
}
if ($subtable) {
$glyphIndexArray = $subtable["glyphIndexArray"];
$hmtx = $font_obj->getData("hmtx");
unset($glyphIndexArray[0xFFFF]);
$cidtogid = str_pad('', max(array_keys($glyphIndexArray)) * 2 + 1, "\x00");
$font['CIDWidths'] = [];
foreach ($glyphIndexArray as $cid => $gid) {
if ($cid >= 0 && $cid < 0xFFFF && $gid) {
$cidtogid[$cid * 2] = chr($gid >> 8);
$cidtogid[$cid * 2 + 1] = chr($gid & 0xFF);
}
$width = $font_obj->normalizeFUnit(isset($hmtx[$gid]) ? $hmtx[$gid][0] : $hmtx[0][0]);
$font['CIDWidths'][$cid] = $width;
}
$font['CIDtoGID'] = base64_encode(gzcompress($cidtogid));
$font['CIDtoGID_Compressed'] = true;
$data = file_get_contents($tmp_name);
} else {
$data = file_get_contents($fbfile);
}
$font_obj->close();
unlink($tmp_name);
}
// create the font descriptor
$this->numObj++;
$fontDescriptorId = $this->numObj;
$this->numObj++;
$pfbid = $this->numObj;
// determine flags (more than a little flakey, hopefully will not matter much)
$flags = 0;
if ($font['ItalicAngle'] != 0) {
$flags += pow(2, 6);
}
if ($font['IsFixedPitch'] === 'true') {
$flags += 1;
}
$flags += pow(2, 5); // assume non-sybolic
$list = [
'Ascent' => 'Ascender',
'CapHeight' => 'Ascender', //FIXME: php-font-lib is not grabbing this value, so we'll fake it and use the Ascender value // 'CapHeight'
'MissingWidth' => 'MissingWidth',
'Descent' => 'Descender',
'FontBBox' => 'FontBBox',
'ItalicAngle' => 'ItalicAngle'
];
$fdopt = [
'Flags' => $flags,
'FontName' => $adobeFontName,
'StemV' => $stemV
];
foreach ($list as $k => $v) {
if (isset($font[$v])) {
$fdopt[$k] = $font[$v];
}
}
if ($isPfbFont) {
$fdopt['FontFile'] = $pfbid;
} elseif ($isTtfFont) {
$fdopt['FontFile2'] = $pfbid;
}
$this->o_fontDescriptor($fontDescriptorId, 'new', $fdopt);
// embed the font program
$this->o_contents($this->numObj, 'new');
$this->objects[$pfbid]['c'] .= $data;
// determine the cruicial lengths within this file
if ($isPfbFont) {
$l1 = strpos($data, 'eexec') + 6;
$l2 = strpos($data, '00000000') - $l1;
$l3 = mb_strlen($data, '8bit') - $l2 - $l1;
$this->o_contents(
$this->numObj,
'add',
['Length1' => $l1, 'Length2' => $l2, 'Length3' => $l3]
);
} elseif ($isTtfFont) {
$l1 = mb_strlen($data, '8bit');
$this->o_contents($this->numObj, 'add', ['Length1' => $l1]);
}
// tell the font object about all this new stuff
$options = [
'BaseFont' => $adobeFontName,
'MissingWidth' => $missing_width,
'Widths' => $widthid,
'FirstChar' => $firstChar,
'LastChar' => $lastChar,
'FontDescriptor' => $fontDescriptorId
];
if ($isTtfFont) {
$options['SubType'] = 'TrueType';
}
$this->addMessage("adding extra info to font.($fontObjId)");
foreach ($options as $fk => $fv) {
$this->addMessage("$fk : $fv");
}
}
return $options;
}
/**
* A toUnicode section, needed for unicode fonts
*
* @param $id
* @param $action
* @return null|string
*/
protected function o_toUnicode($id, $action)
{
switch ($action) {
case 'new':
$this->objects[$id] = [
't' => 'toUnicode'
];
break;
case 'add':
break;
case 'out':
$ordering = 'UCS';
$registry = 'Adobe';
if ($this->encrypted) {
$this->encryptInit($id);
$ordering = $this->ARC4($ordering);
$registry = $this->filterText($this->ARC4($registry), false, false);
}
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