159 lines
3.3 KiB
PHP
159 lines
3.3 KiB
PHP
<?php
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/**
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* @package php-font-lib
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* @link https://github.com/PhenX/php-font-lib
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* @author Fabien Ménager <fabien.menager@gmail.com>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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*/
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require_once dirname(__FILE__) . "/Font_TrueType.php";
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require_once dirname(__FILE__) . "/Font_EOT_Header.php";
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/**
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* EOT font file.
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*
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* @package php-font-lib
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*/
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class Font_EOT extends Font_TrueType {
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const TTEMBED_SUBSET = 0x00000001;
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const TTEMBED_TTCOMPRESSED = 0x00000004;
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const TTEMBED_FAILIFVARIATIONSIMULATED = 0x00000010;
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const TTMBED_EMBEDEUDC = 0x00000020;
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const TTEMBED_VALIDATIONTESTS = 0x00000040; // Deprecated
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const TTEMBED_WEBOBJECT = 0x00000080;
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const TTEMBED_XORENCRYPTDATA = 0x10000000;
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/**
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* @var Font_EOT_Header
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*/
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public $header;
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function parseHeader(){
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if (!empty($this->header)) {
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return;
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}
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$this->header = new Font_EOT_Header($this);
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$this->header->parse();
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}
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function parse() {
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$this->parseHeader();
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$flags = $this->header->data["Flags"];
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if ($flags & self::TTEMBED_TTCOMPRESSED) {
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$mtx_version = $this->readUInt8();
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$mtx_copy_limit = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8();
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$mtx_offset_1 = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8();
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$mtx_offset_2 = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8();
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/*
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var_dump("$mtx_version $mtx_copy_limit $mtx_offset_1 $mtx_offset_2");
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$pos = $this->pos();
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$size = $mtx_offset_1 - $pos;
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var_dump("pos: $pos");
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var_dump("size: $size");*/
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}
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if ($flags & self::TTEMBED_XORENCRYPTDATA) {
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// Process XOR
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}
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// TODO Read font data ...
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}
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/**
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* Little endian version of the read method
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*/
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public function read($n) {
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if ($n < 1) {
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return "";
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}
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$string = fread($this->f, $n);
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$chunks = str_split($string, 2);
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$chunks = array_map("strrev", $chunks);
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return implode("", $chunks);
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}
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public function readUInt32(){
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$uint32 = parent::readUInt32();
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return $uint32 >> 16 & 0x0000FFFF | $uint32 << 16 & 0xFFFF0000;
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}
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/**
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* Get font copyright
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*
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* @return string|null
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*/
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function getFontCopyright(){
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return null;
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}
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/**
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* Get font name
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*
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* @return string|null
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*/
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function getFontName(){
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return $this->header->data["FamilyName"];
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}
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/**
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* Get font subfamily
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*
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* @return string|null
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*/
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function getFontSubfamily(){
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return $this->header->data["StyleName"];
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}
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/**
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* Get font subfamily ID
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*
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* @return string|null
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*/
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function getFontSubfamilyID(){
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return $this->header->data["StyleName"];
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}
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/**
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* Get font full name
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*
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* @return string|null
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*/
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function getFontFullName(){
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return $this->header->data["FullName"];
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}
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/**
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* Get font version
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*
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* @return string|null
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*/
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function getFontVersion(){
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return $this->header->data["VersionName"];
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}
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/**
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* Get font weight
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*
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* @return string|null
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*/
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function getFontWeight(){
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return $this->header->data["Weight"];
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}
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/**
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* Get font Postscript name
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*
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* @return string|null
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*/
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function getFontPostscriptName(){
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return null;
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}
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}
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