--- /dev/null
+<?php
+/**
+ * @package php-font-lib
+ * @link https://github.com/PhenX/php-font-lib
+ * @author Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace FontLib\TrueType;
+
+use FontLib\AdobeFontMetrics;
+use FontLib\Font;
+use FontLib\BinaryStream;
+use FontLib\Table\Table;
+use FontLib\Table\DirectoryEntry;
+use FontLib\Table\Type\glyf;
+use FontLib\Table\Type\name;
+use FontLib\Table\Type\nameRecord;
+
+/**
+ * TrueType font file.
+ *
+ * @package php-font-lib
+ */
+class File extends BinaryStream {
+ /**
+ * @var Header
+ */
+ public $header = array();
+
+ private $tableOffset = 0; // Used for TTC
+
+ private static $raw = false;
+
+ protected $directory = array();
+ protected $data = array();
+
+ protected $glyph_subset = array();
+
+ public $glyph_all = array();
+
+ static $macCharNames = array(
+ ".notdef", ".null", "CR",
+ "space", "exclam", "quotedbl", "numbersign",
+ "dollar", "percent", "ampersand", "quotesingle",
+ "parenleft", "parenright", "asterisk", "plus",
+ "comma", "hyphen", "period", "slash",
+ "zero", "one", "two", "three",
+ "four", "five", "six", "seven",
+ "eight", "nine", "colon", "semicolon",
+ "less", "equal", "greater", "question",
+ "at", "A", "B", "C", "D", "E", "F", "G",
+ "H", "I", "J", "K", "L", "M", "N", "O",
+ "P", "Q", "R", "S", "T", "U", "V", "W",
+ "X", "Y", "Z", "bracketleft",
+ "backslash", "bracketright", "asciicircum", "underscore",
+ "grave", "a", "b", "c", "d", "e", "f", "g",
+ "h", "i", "j", "k", "l", "m", "n", "o",
+ "p", "q", "r", "s", "t", "u", "v", "w",
+ "x", "y", "z", "braceleft",
+ "bar", "braceright", "asciitilde", "Adieresis",
+ "Aring", "Ccedilla", "Eacute", "Ntilde",
+ "Odieresis", "Udieresis", "aacute", "agrave",
+ "acircumflex", "adieresis", "atilde", "aring",
+ "ccedilla", "eacute", "egrave", "ecircumflex",
+ "edieresis", "iacute", "igrave", "icircumflex",
+ "idieresis", "ntilde", "oacute", "ograve",
+ "ocircumflex", "odieresis", "otilde", "uacute",
+ "ugrave", "ucircumflex", "udieresis", "dagger",
+ "degree", "cent", "sterling", "section",
+ "bullet", "paragraph", "germandbls", "registered",
+ "copyright", "trademark", "acute", "dieresis",
+ "notequal", "AE", "Oslash", "infinity",
+ "plusminus", "lessequal", "greaterequal", "yen",
+ "mu", "partialdiff", "summation", "product",
+ "pi", "integral", "ordfeminine", "ordmasculine",
+ "Omega", "ae", "oslash", "questiondown",
+ "exclamdown", "logicalnot", "radical", "florin",
+ "approxequal", "increment", "guillemotleft", "guillemotright",
+ "ellipsis", "nbspace", "Agrave", "Atilde",
+ "Otilde", "OE", "oe", "endash",
+ "emdash", "quotedblleft", "quotedblright", "quoteleft",
+ "quoteright", "divide", "lozenge", "ydieresis",
+ "Ydieresis", "fraction", "currency", "guilsinglleft",
+ "guilsinglright", "fi", "fl", "daggerdbl",
+ "periodcentered", "quotesinglbase", "quotedblbase", "perthousand",
+ "Acircumflex", "Ecircumflex", "Aacute", "Edieresis",
+ "Egrave", "Iacute", "Icircumflex", "Idieresis",
+ "Igrave", "Oacute", "Ocircumflex", "applelogo",
+ "Ograve", "Uacute", "Ucircumflex", "Ugrave",
+ "dotlessi", "circumflex", "tilde", "macron",
+ "breve", "dotaccent", "ring", "cedilla",
+ "hungarumlaut", "ogonek", "caron", "Lslash",
+ "lslash", "Scaron", "scaron", "Zcaron",
+ "zcaron", "brokenbar", "Eth", "eth",
+ "Yacute", "yacute", "Thorn", "thorn",
+ "minus", "multiply", "onesuperior", "twosuperior",
+ "threesuperior", "onehalf", "onequarter", "threequarters",
+ "franc", "Gbreve", "gbreve", "Idot",
+ "Scedilla", "scedilla", "Cacute", "cacute",
+ "Ccaron", "ccaron", "dmacron"
+ );
+
+ function getTable() {
+ $this->parseTableEntries();
+
+ return $this->directory;
+ }
+
+ function setTableOffset($offset) {
+ $this->tableOffset = $offset;
+ }
+
+ function parse() {
+ $this->parseTableEntries();
+
+ $this->data = array();
+
+ foreach ($this->directory as $tag => $table) {
+ if (empty($this->data[$tag])) {
+ $this->readTable($tag);
+ }
+ }
+ }
+
+ function utf8toUnicode($str) {
+ $len = strlen($str);
+ $out = array();
+
+ for ($i = 0; $i < $len; $i++) {
+ $uni = -1;
+ $h = ord($str[$i]);
+
+ if ($h <= 0x7F) {
+ $uni = $h;
+ }
+ elseif ($h >= 0xC2) {
+ if (($h <= 0xDF) && ($i < $len - 1)) {
+ $uni = ($h & 0x1F) << 6 | (ord($str[++$i]) & 0x3F);
+ }
+ elseif (($h <= 0xEF) && ($i < $len - 2)) {
+ $uni = ($h & 0x0F) << 12 | (ord($str[++$i]) & 0x3F) << 6 | (ord($str[++$i]) & 0x3F);
+ }
+ elseif (($h <= 0xF4) && ($i < $len - 3)) {
+ $uni = ($h & 0x0F) << 18 | (ord($str[++$i]) & 0x3F) << 12 | (ord($str[++$i]) & 0x3F) << 6 | (ord($str[++$i]) & 0x3F);
+ }
+ }
+
+ if ($uni >= 0) {
+ $out[] = $uni;
+ }
+ }
+
+ return $out;
+ }
+
+ function getUnicodeCharMap() {
+ $subtable = null;
+ foreach ($this->getData("cmap", "subtables") as $_subtable) {
+ if ($_subtable["platformID"] == 0 || $_subtable["platformID"] == 3 && $_subtable["platformSpecificID"] == 1) {
+ $subtable = $_subtable;
+ break;
+ }
+ }
+
+ if ($subtable) {
+ return $subtable["glyphIndexArray"];
+ }
+
+ return null;
+ }
+
+ function setSubset($subset) {
+ if (!is_array($subset)) {
+ $subset = $this->utf8toUnicode($subset);
+ }
+
+ $subset = array_unique($subset);
+
+ $glyphIndexArray = $this->getUnicodeCharMap();
+
+ if (!$glyphIndexArray) {
+ return;
+ }
+
+ $gids = array(
+ 0, // .notdef
+ 1, // .null
+ );
+
+ foreach ($subset as $code) {
+ if (!isset($glyphIndexArray[$code])) {
+ continue;
+ }
+
+ $gid = $glyphIndexArray[$code];
+ $gids[$gid] = $gid;
+ }
+
+ /** @var glyf $glyf */
+ $glyf = $this->getTableObject("glyf");
+ $gids = $glyf->getGlyphIDs($gids);
+
+ sort($gids);
+
+ $this->glyph_subset = $gids;
+ $this->glyph_all = array_values($glyphIndexArray); // FIXME
+ }
+
+ function getSubset() {
+ if (empty($this->glyph_subset)) {
+ return $this->glyph_all;
+ }
+
+ return $this->glyph_subset;
+ }
+
+ function encode($tags = array()) {
+ if (!self::$raw) {
+ $tags = array_merge(array("head", "hhea", "cmap", "hmtx", "maxp", "glyf", "loca", "name", "post"), $tags);
+ }
+ else {
+ $tags = array_keys($this->directory);
+ }
+
+ $num_tables = count($tags);
+ $n = 16; // @todo
+
+ Font::d("Tables : " . implode(", ", $tags));
+
+ /** @var DirectoryEntry[] $entries */
+ $entries = array();
+ foreach ($tags as $tag) {
+ if (!isset($this->directory[$tag])) {
+ Font::d(" >> '$tag' table doesn't exist");
+ continue;
+ }
+
+ $entries[$tag] = $this->directory[$tag];
+ }
+
+ $this->header->data["numTables"] = $num_tables;
+ $this->header->encode();
+
+ $directory_offset = $this->pos();
+ $offset = $directory_offset + $num_tables * $n;
+ $this->seek($offset);
+
+ $i = 0;
+ foreach ($entries as $entry) {
+ $entry->encode($directory_offset + $i * $n);
+ $i++;
+ }
+ }
+
+ function parseHeader() {
+ if (!empty($this->header)) {
+ return;
+ }
+
+ $this->seek($this->tableOffset);
+
+ $this->header = new Header($this);
+ $this->header->parse();
+ }
+
+ function getFontType(){
+ $class_parts = explode("\\", get_class($this));
+ return $class_parts[1];
+ }
+
+ function parseTableEntries() {
+ $this->parseHeader();
+
+ if (!empty($this->directory)) {
+ return;
+ }
+
+ if (empty($this->header->data["numTables"])) {
+ return;
+ }
+
+
+ $type = $this->getFontType();
+ $class = "FontLib\\$type\\TableDirectoryEntry";
+
+ for ($i = 0; $i < $this->header->data["numTables"]; $i++) {
+ /** @var TableDirectoryEntry $entry */
+ $entry = new $class($this);
+ $entry->parse();
+
+ $this->directory[$entry->tag] = $entry;
+ }
+ }
+
+ function normalizeFUnit($value, $base = 1000) {
+ return round($value * ($base / $this->getData("head", "unitsPerEm")));
+ }
+
+ protected function readTable($tag) {
+ $this->parseTableEntries();
+
+ if (!self::$raw) {
+ $name_canon = preg_replace("/[^a-z0-9]/", "", strtolower($tag));
+
+ $class = "FontLib\\Table\\Type\\$name_canon";
+
+ if (!isset($this->directory[$tag]) || !class_exists($class)) {
+ return;
+ }
+ }
+ else {
+ $class = "FontLib\\Table\\Table";
+ }
+
+ /** @var Table $table */
+ $table = new $class($this->directory[$tag]);
+ $table->parse();
+
+ $this->data[$tag] = $table;
+ }
+
+ /**
+ * @param $name
+ *
+ * @return Table
+ */
+ public function getTableObject($name) {
+ return $this->data[$name];
+ }
+
+ public function setTableObject($name, Table $data) {
+ $this->data[$name] = $data;
+ }
+
+ public function getData($name, $key = null) {
+ $this->parseTableEntries();
+
+ if (empty($this->data[$name])) {
+ $this->readTable($name);
+ }
+
+ if (!isset($this->data[$name])) {
+ return null;
+ }
+
+ if (!$key) {
+ return $this->data[$name]->data;
+ }
+ else {
+ return $this->data[$name]->data[$key];
+ }
+ }
+
+ function addDirectoryEntry(DirectoryEntry $entry) {
+ $this->directory[$entry->tag] = $entry;
+ }
+
+ function saveAdobeFontMetrics($file, $encoding = null) {
+ $afm = new AdobeFontMetrics($this);
+ $afm->write($file, $encoding);
+ }
+
+ /**
+ * Get a specific name table string value from its ID
+ *
+ * @param int $nameID The name ID
+ *
+ * @return string|null
+ */
+ function getNameTableString($nameID) {
+ /** @var nameRecord[] $records */
+ $records = $this->getData("name", "records");
+
+ if (!isset($records[$nameID])) {
+ return null;
+ }
+
+ return $records[$nameID]->string;
+ }
+
+ /**
+ * Get font copyright
+ *
+ * @return string|null
+ */
+ function getFontCopyright() {
+ return $this->getNameTableString(name::NAME_COPYRIGHT);
+ }
+
+ /**
+ * Get font name
+ *
+ * @return string|null
+ */
+ function getFontName() {
+ return $this->getNameTableString(name::NAME_NAME);
+ }
+
+ /**
+ * Get font subfamily
+ *
+ * @return string|null
+ */
+ function getFontSubfamily() {
+ return $this->getNameTableString(name::NAME_SUBFAMILY);
+ }
+
+ /**
+ * Get font subfamily ID
+ *
+ * @return string|null
+ */
+ function getFontSubfamilyID() {
+ return $this->getNameTableString(name::NAME_SUBFAMILY_ID);
+ }
+
+ /**
+ * Get font full name
+ *
+ * @return string|null
+ */
+ function getFontFullName() {
+ return $this->getNameTableString(name::NAME_FULL_NAME);
+ }
+
+ /**
+ * Get font version
+ *
+ * @return string|null
+ */
+ function getFontVersion() {
+ return $this->getNameTableString(name::NAME_VERSION);
+ }
+
+ /**
+ * Get font weight
+ *
+ * @return string|null
+ */
+ function getFontWeight() {
+ return $this->getTableObject("OS/2")->data["usWeightClass"];
+ }
+
+ /**
+ * Get font Postscript name
+ *
+ * @return string|null
+ */
+ function getFontPostscriptName() {
+ return $this->getNameTableString(name::NAME_POSTSCRIPT_NAME);
+ }
+
+ function reduce() {
+ $names_to_keep = array(
+ name::NAME_COPYRIGHT,
+ name::NAME_NAME,
+ name::NAME_SUBFAMILY,
+ name::NAME_SUBFAMILY_ID,
+ name::NAME_FULL_NAME,
+ name::NAME_VERSION,
+ name::NAME_POSTSCRIPT_NAME,
+ );
+
+ foreach ($this->data["name"]->data["records"] as $id => $rec) {
+ if (!in_array($id, $names_to_keep)) {
+ unset($this->data["name"]->data["records"][$id]);
+ }
+ }
+ }
+}