File.php
155 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @package php-font-lib |
| 5 | * @link https://github.com/PhenX/php-font-lib |
| 6 | * @author Fabien Ménager <fabien.menager@gmail.com> |
| 7 | * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
| 8 | */ |
| 9 | namespace IAWP\FontLib\EOT; |
| 10 | |
| 11 | /** |
| 12 | * EOT font file. |
| 13 | * |
| 14 | * @package php-font-lib |
| 15 | */ |
| 16 | class File extends \IAWP\FontLib\TrueType\File |
| 17 | { |
| 18 | const TTEMBED_SUBSET = 0x1; |
| 19 | const TTEMBED_TTCOMPRESSED = 0x4; |
| 20 | const TTEMBED_FAILIFVARIATIONSIMULATED = 0x10; |
| 21 | const TTMBED_EMBEDEUDC = 0x20; |
| 22 | const TTEMBED_VALIDATIONTESTS = 0x40; |
| 23 | // Deprecated |
| 24 | const TTEMBED_WEBOBJECT = 0x80; |
| 25 | const TTEMBED_XORENCRYPTDATA = 0x10000000; |
| 26 | /** |
| 27 | * @var Header |
| 28 | */ |
| 29 | public $header; |
| 30 | function parseHeader() |
| 31 | { |
| 32 | if (!empty($this->header)) { |
| 33 | return; |
| 34 | } |
| 35 | $this->header = new Header($this); |
| 36 | $this->header->parse(); |
| 37 | } |
| 38 | function parse() |
| 39 | { |
| 40 | $this->parseHeader(); |
| 41 | $flags = $this->header->data["Flags"]; |
| 42 | if ($flags & self::TTEMBED_TTCOMPRESSED) { |
| 43 | $mtx_version = $this->readUInt8(); |
| 44 | $mtx_copy_limit = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8(); |
| 45 | $mtx_offset_1 = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8(); |
| 46 | $mtx_offset_2 = $this->readUInt8() << 16 | $this->readUInt8() << 8 | $this->readUInt8(); |
| 47 | /* |
| 48 | var_dump("$mtx_version $mtx_copy_limit $mtx_offset_1 $mtx_offset_2"); |
| 49 | |
| 50 | $pos = $this->pos(); |
| 51 | $size = $mtx_offset_1 - $pos; |
| 52 | var_dump("pos: $pos"); |
| 53 | var_dump("size: $size");*/ |
| 54 | } |
| 55 | if ($flags & self::TTEMBED_XORENCRYPTDATA) { |
| 56 | // Process XOR |
| 57 | } |
| 58 | // TODO Read font data ... |
| 59 | } |
| 60 | /** |
| 61 | * Little endian version of the read method |
| 62 | * |
| 63 | * @param int $n The number of bytes to read |
| 64 | * |
| 65 | * @return string |
| 66 | */ |
| 67 | public function read($n) |
| 68 | { |
| 69 | if ($n < 1) { |
| 70 | return ""; |
| 71 | } |
| 72 | $string = (string) \fread($this->f, $n); |
| 73 | $chunks = \mb_str_split($string, 2, '8bit'); |
| 74 | $chunks = \array_map("strrev", $chunks); |
| 75 | return \implode("", $chunks); |
| 76 | } |
| 77 | public function readUInt32() |
| 78 | { |
| 79 | $uint32 = parent::readUInt32(); |
| 80 | return $uint32 >> 16 & 0xffff | $uint32 << 16 & 0xffff0000; |
| 81 | } |
| 82 | /** |
| 83 | * Get font copyright |
| 84 | * |
| 85 | * @return string|null |
| 86 | */ |
| 87 | function getFontCopyright() |
| 88 | { |
| 89 | return null; |
| 90 | } |
| 91 | /** |
| 92 | * Get font name |
| 93 | * |
| 94 | * @return string|null |
| 95 | */ |
| 96 | function getFontName() |
| 97 | { |
| 98 | return $this->header->data["FamilyName"]; |
| 99 | } |
| 100 | /** |
| 101 | * Get font subfamily |
| 102 | * |
| 103 | * @return string|null |
| 104 | */ |
| 105 | function getFontSubfamily() |
| 106 | { |
| 107 | return $this->header->data["StyleName"]; |
| 108 | } |
| 109 | /** |
| 110 | * Get font subfamily ID |
| 111 | * |
| 112 | * @return string|null |
| 113 | */ |
| 114 | function getFontSubfamilyID() |
| 115 | { |
| 116 | return $this->header->data["StyleName"]; |
| 117 | } |
| 118 | /** |
| 119 | * Get font full name |
| 120 | * |
| 121 | * @return string|null |
| 122 | */ |
| 123 | function getFontFullName() |
| 124 | { |
| 125 | return $this->header->data["FullName"]; |
| 126 | } |
| 127 | /** |
| 128 | * Get font version |
| 129 | * |
| 130 | * @return string|null |
| 131 | */ |
| 132 | function getFontVersion() |
| 133 | { |
| 134 | return $this->header->data["VersionName"]; |
| 135 | } |
| 136 | /** |
| 137 | * Get font weight |
| 138 | * |
| 139 | * @return string|null |
| 140 | */ |
| 141 | function getFontWeight() |
| 142 | { |
| 143 | return $this->header->data["Weight"]; |
| 144 | } |
| 145 | /** |
| 146 | * Get font Postscript name |
| 147 | * |
| 148 | * @return string|null |
| 149 | */ |
| 150 | function getFontPostscriptName() |
| 151 | { |
| 152 | return null; |
| 153 | } |
| 154 | } |
| 155 |