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<?php |
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/** |
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* @package php-font-lib |
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* @link https://github.com/dompdf/php-font-lib |
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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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|
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namespace FontLib\EOT; |
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|
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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 File extends \FontLib\TrueType\File { |
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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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/** |
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* @var Header |
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*/ |
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public $header; |
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|
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function parseHeader() { |
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if (!empty($this->header)) { |
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return; |
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} |
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|
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$this->header = new Header($this); |
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$this->header->parse(); |
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} |
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|
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function parse() { |
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$this->parseHeader(); |
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|
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$flags = $this->header->data["Flags"]; |
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|
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if ($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 $mtx_offset_2"); |
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|
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$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: $size");*/ |
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} |
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|
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if ($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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/** |
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* Little endian version of the read method |
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* |
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* @param int $n The number of bytes to read |
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* |
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* @return string |
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*/ |
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public function read($n) { |
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if ($n < 1) { |
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return ""; |
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} |
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|
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$string = (string) fread($this->f, $n); |
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$chunks = mb_str_split($string, 2, '8bit'); |
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$chunks = array_map("strrev", $chunks); |
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return implode("", $chunks); |
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} |
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|
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public function readUInt32() { |
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$uint32 = parent::readUInt32(); |
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|
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return $uint32 >> 16 & 0x0000FFFF | $uint32 << 16 & 0xFFFF0000; |
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} |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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|