| 1 |
<?php |
| 2 |
|
| 3 |
require_once __DIR__ . '/../MpdfException.php'; |
| 4 |
require_once __DIR__ . '/ttfontsuni.php'; |
| 5 |
|
| 6 |
class TTFontFile_Analysis extends TTFontFile |
| 7 |
{ |
| 8 |
|
| 9 |
// Used to get font information from files in directory |
| 10 |
function extractCoreInfo($file, $TTCfontID = 0) |
| 11 |
{ |
| 12 |
$this->filename = $file; |
| 13 |
$this->fh = fopen($file, 'rb'); |
| 14 |
if (!$this->fh) { |
| 15 |
return ('ERROR - Can\'t open file ' . $file); |
| 16 |
} |
| 17 |
$this->_pos = 0; |
| 18 |
$this->charWidths = ''; |
| 19 |
$this->glyphPos = array(); |
| 20 |
$this->charToGlyph = array(); |
| 21 |
$this->tables = array(); |
| 22 |
$this->otables = array(); |
| 23 |
$this->ascent = 0; |
| 24 |
$this->descent = 0; |
| 25 |
$this->numTTCFonts = 0; |
| 26 |
$this->TTCFonts = array(); |
| 27 |
$this->version = $version = $this->read_ulong(); |
| 28 |
$this->panose = array(); // mPDF 5.0 |
| 29 |
|
| 30 |
if ($version == 0x4F54544F) { |
| 31 |
throw new MpdfException('ERROR - NOT ADDED as Postscript outlines are not supported - ' . $file); |
| 32 |
} |
| 33 |
|
| 34 |
if ($version == 0x74746366) { |
| 35 |
if ($TTCfontID > 0) { |
| 36 |
$this->version = $version = $this->read_ulong(); // TTC Header version now |
| 37 |
if (!in_array($version, array(0x00010000, 0x00020000))) { |
| 38 |
throw new MpdfException("ERROR - NOT ADDED as Error parsing TrueType Collection: version=" . $version . " - " . $file); |
| 39 |
} |
| 40 |
} else { |
| 41 |
throw new MpdfException("ERROR - Error parsing TrueType Collection - " . $file); |
| 42 |
} |
| 43 |
$this->numTTCFonts = $this->read_ulong(); |
| 44 |
for ($i = 1; $i <= $this->numTTCFonts; $i++) { |
| 45 |
$this->TTCFonts[$i]['offset'] = $this->read_ulong(); |
| 46 |
} |
| 47 |
$this->seek($this->TTCFonts[$TTCfontID]['offset']); |
| 48 |
$this->version = $version = $this->read_ulong(); // TTFont version again now |
| 49 |
$this->readTableDirectory(false); |
| 50 |
} else { |
| 51 |
if (!in_array($version, array(0x00010000, 0x74727565))) { |
| 52 |
throw new MpdfException("ERROR - NOT ADDED as Not a TrueType font: version=" . $version . " - " . $file); |
| 53 |
} |
| 54 |
$this->readTableDirectory(false); |
| 55 |
} |
| 56 |
|
| 57 |
/* Included for testing... |
| 58 |
$cmap_offset = $this->seek_table("cmap"); |
| 59 |
$this->skip(2); |
| 60 |
$cmapTableCount = $this->read_ushort(); |
| 61 |
$unicode_cmap_offset = 0; |
| 62 |
for ($i=0;$i<$cmapTableCount;$i++) { |
| 63 |
$x[$i]['platformId'] = $this->read_ushort(); |
| 64 |
$x[$i]['encodingId'] = $this->read_ushort(); |
| 65 |
$x[$i]['offset'] = $this->read_ulong(); |
| 66 |
$save_pos = $this->_pos; |
| 67 |
$x[$i]['format'] = $this->get_ushort($cmap_offset + $x[$i]['offset'] ); |
| 68 |
$this->seek($save_pos ); |
| 69 |
} |
| 70 |
print_r($x); exit; |
| 71 |
*/ |
| 72 |
/////////////////////////////////// |
| 73 |
// name - Naming table |
| 74 |
/////////////////////////////////// |
| 75 |
|
| 76 |
/* Test purposes - displays table of names |
| 77 |
$name_offset = $this->seek_table("name"); |
| 78 |
$format = $this->read_ushort(); |
| 79 |
if ($format != 0 && $format != 1) // mPDF 5.3.73 |
| 80 |
die("Unknown name table format ".$format); |
| 81 |
$numRecords = $this->read_ushort(); |
| 82 |
$string_data_offset = $name_offset + $this->read_ushort(); |
| 83 |
for ($i=0;$i<$numRecords; $i++) { |
| 84 |
$x[$i]['platformId'] = $this->read_ushort(); |
| 85 |
$x[$i]['encodingId'] = $this->read_ushort(); |
| 86 |
$x[$i]['languageId'] = $this->read_ushort(); |
| 87 |
$x[$i]['nameId'] = $this->read_ushort(); |
| 88 |
$x[$i]['length'] = $this->read_ushort(); |
| 89 |
$x[$i]['offset'] = $this->read_ushort(); |
| 90 |
|
| 91 |
$N = ''; |
| 92 |
if ($x[$i]['platformId'] == 1 && $x[$i]['encodingId'] == 0 && $x[$i]['languageId'] == 0) { // Roman |
| 93 |
$opos = $this->_pos; |
| 94 |
$N = $this->get_chunk($string_data_offset + $x[$i]['offset'] , $x[$i]['length'] ); |
| 95 |
$this->_pos = $opos; |
| 96 |
$this->seek($opos); |
| 97 |
} |
| 98 |
else { // Unicode |
| 99 |
$opos = $this->_pos; |
| 100 |
$this->seek($string_data_offset + $x[$i]['offset'] ); |
| 101 |
$length = $x[$i]['length'] ; |
| 102 |
if ($length % 2 != 0) |
| 103 |
$length -= 1; |
| 104 |
// die("PostScript name is UTF-16BE string of odd length"); |
| 105 |
$length /= 2; |
| 106 |
$N = ''; |
| 107 |
while ($length > 0) { |
| 108 |
$char = $this->read_ushort(); |
| 109 |
$N .= (chr($char)); |
| 110 |
$length -= 1; |
| 111 |
} |
| 112 |
$this->_pos = $opos; |
| 113 |
$this->seek($opos); |
| 114 |
} |
| 115 |
$x[$i]['names'][$nameId] = $N; |
| 116 |
} |
| 117 |
print_r($x); exit; |
| 118 |
*/ |
| 119 |
|
| 120 |
$name_offset = $this->seek_table("name"); |
| 121 |
$format = $this->read_ushort(); |
| 122 |
if ($format != 0 && $format != 1) // mPDF 5.3.73 |
| 123 |
throw new MpdfException("ERROR - NOT ADDED as Unknown name table format " . $format . " - " . $file); |
| 124 |
$numRecords = $this->read_ushort(); |
| 125 |
$string_data_offset = $name_offset + $this->read_ushort(); |
| 126 |
$names = array(1 => '', 2 => '', 3 => '', 4 => '', 6 => ''); |
| 127 |
$K = array_keys($names); |
| 128 |
$nameCount = count($names); |
| 129 |
for ($i = 0; $i < $numRecords; $i++) { |
| 130 |
$platformId = $this->read_ushort(); |
| 131 |
$encodingId = $this->read_ushort(); |
| 132 |
$languageId = $this->read_ushort(); |
| 133 |
$nameId = $this->read_ushort(); |
| 134 |
$length = $this->read_ushort(); |
| 135 |
$offset = $this->read_ushort(); |
| 136 |
if (!in_array($nameId, $K)) |
| 137 |
continue; |
| 138 |
$N = ''; |
| 139 |
if ($platformId == 3 && $encodingId == 1 && $languageId == 0x409) { // Microsoft, Unicode, US English, PS Name |
| 140 |
$opos = $this->_pos; |
| 141 |
$this->seek($string_data_offset + $offset); |
| 142 |
if ($length % 2 != 0) |
| 143 |
$length += 1; |
| 144 |
$length /= 2; |
| 145 |
$N = ''; |
| 146 |
while ($length > 0) { |
| 147 |
$char = $this->read_ushort(); |
| 148 |
$N .= (chr($char)); |
| 149 |
$length -= 1; |
| 150 |
} |
| 151 |
$this->_pos = $opos; |
| 152 |
$this->seek($opos); |
| 153 |
} else if ($platformId == 1 && $encodingId == 0 && $languageId == 0) { // Macintosh, Roman, English, PS Name |
| 154 |
$opos = $this->_pos; |
| 155 |
$N = $this->get_chunk($string_data_offset + $offset, $length); |
| 156 |
$this->_pos = $opos; |
| 157 |
$this->seek($opos); |
| 158 |
} |
| 159 |
if ($N && $names[$nameId] == '') { |
| 160 |
$names[$nameId] = $N; |
| 161 |
$nameCount -= 1; |
| 162 |
if ($nameCount == 0) |
| 163 |
break; |
| 164 |
} |
| 165 |
} |
| 166 |
if ($names[6]) |
| 167 |
$psName = preg_replace('/ /', '-', $names[6]); |
| 168 |
else if ($names[4]) |
| 169 |
$psName = preg_replace('/ /', '-', $names[4]); |
| 170 |
else if ($names[1]) |
| 171 |
$psName = preg_replace('/ /', '-', $names[1]); |
| 172 |
else |
| 173 |
$psName = ''; |
| 174 |
if (!$names[1] && !$psName) |
| 175 |
throw new MpdfException("ERROR - NOT ADDED as Could not find valid font name - " . $file); |
| 176 |
$this->name = $psName; |
| 177 |
if ($names[1]) { |
| 178 |
$this->familyName = $names[1]; |
| 179 |
} else { |
| 180 |
$this->familyName = $psName; |
| 181 |
} |
| 182 |
if ($names[2]) { |
| 183 |
$this->styleName = $names[2]; |
| 184 |
} else { |
| 185 |
$this->styleName = 'Regular'; |
| 186 |
} |
| 187 |
|
| 188 |
/////////////////////////////////// |
| 189 |
// head - Font header table |
| 190 |
/////////////////////////////////// |
| 191 |
$this->seek_table("head"); |
| 192 |
$ver_maj = $this->read_ushort(); |
| 193 |
$ver_min = $this->read_ushort(); |
| 194 |
if ($ver_maj != 1) |
| 195 |
throw new MpdfException('ERROR - NOT ADDED as Unknown head table version ' . $ver_maj . '.' . $ver_min . " - " . $file); |
| 196 |
$this->fontRevision = $this->read_ushort() . $this->read_ushort(); |
| 197 |
$this->skip(4); |
| 198 |
$magic = $this->read_ulong(); |
| 199 |
if ($magic != 0x5F0F3CF5) |
| 200 |
throw new MpdfException('ERROR - NOT ADDED as Invalid head table magic ' . $magic . " - " . $file); |
| 201 |
$this->skip(2); |
| 202 |
$this->unitsPerEm = $unitsPerEm = $this->read_ushort(); |
| 203 |
$scale = 1000 / $unitsPerEm; |
| 204 |
$this->skip(24); |
| 205 |
$macStyle = $this->read_short(); |
| 206 |
$this->skip(4); |
| 207 |
$indexLocFormat = $this->read_short(); |
| 208 |
|
| 209 |
/////////////////////////////////// |
| 210 |
// OS/2 - OS/2 and Windows metrics table |
| 211 |
/////////////////////////////////// |
| 212 |
$sFamily = ''; |
| 213 |
$panose = ''; |
| 214 |
$fsSelection = ''; |
| 215 |
if (isset($this->tables["OS/2"])) { |
| 216 |
$this->seek_table("OS/2"); |
| 217 |
$this->skip(30); |
| 218 |
$sF = $this->read_short(); |
| 219 |
$sFamily = ($sF >> 8); |
| 220 |
$this->_pos += 10; //PANOSE = 10 byte length |
| 221 |
$panose = fread($this->fh, 10); |
| 222 |
$this->panose = array(); |
| 223 |
for ($p = 0; $p < strlen($panose); $p++) { |
| 224 |
$this->panose[] = ord($panose[$p]); |
| 225 |
} |
| 226 |
$this->skip(20); |
| 227 |
$fsSelection = $this->read_short(); |
| 228 |
} |
| 229 |
|
| 230 |
/////////////////////////////////// |
| 231 |
// post - PostScript table |
| 232 |
/////////////////////////////////// |
| 233 |
$this->seek_table("post"); |
| 234 |
$this->skip(4); |
| 235 |
$this->italicAngle = $this->read_short() + $this->read_ushort() / 65536.0; |
| 236 |
$this->skip(4); |
| 237 |
$isFixedPitch = $this->read_ulong(); |
| 238 |
|
| 239 |
|
| 240 |
|
| 241 |
/////////////////////////////////// |
| 242 |
// cmap - Character to glyph index mapping table |
| 243 |
/////////////////////////////////// |
| 244 |
$cmap_offset = $this->seek_table("cmap"); |
| 245 |
$this->skip(2); |
| 246 |
$cmapTableCount = $this->read_ushort(); |
| 247 |
$unicode_cmap_offset = 0; |
| 248 |
for ($i = 0; $i < $cmapTableCount; $i++) { |
| 249 |
$platformID = $this->read_ushort(); |
| 250 |
$encodingID = $this->read_ushort(); |
| 251 |
$offset = $this->read_ulong(); |
| 252 |
$save_pos = $this->_pos; |
| 253 |
if (($platformID == 3 && $encodingID == 1) || $platformID == 0) { // Microsoft, Unicode |
| 254 |
$format = $this->get_ushort($cmap_offset + $offset); |
| 255 |
if ($format == 4) { |
| 256 |
if (!$unicode_cmap_offset) |
| 257 |
$unicode_cmap_offset = $cmap_offset + $offset; |
| 258 |
} |
| 259 |
} |
| 260 |
else if ((($platformID == 3 && $encodingID == 10) || $platformID == 0)) { // Microsoft, Unicode Format 12 table HKCS |
| 261 |
$format = $this->get_ushort($cmap_offset + $offset); |
| 262 |
if ($format == 12) { |
| 263 |
$unicode_cmap_offset = $cmap_offset + $offset; |
| 264 |
break; |
| 265 |
} |
| 266 |
} |
| 267 |
$this->seek($save_pos); |
| 268 |
} |
| 269 |
|
| 270 |
if (!$unicode_cmap_offset) |
| 271 |
throw new MpdfException('ERROR - Font (' . $this->filename . ') NOT ADDED as it is not Unicode encoded, and cannot be used by mPDF'); |
| 272 |
|
| 273 |
$rtl = false; |
| 274 |
$indic = false; |
| 275 |
$cjk = false; |
| 276 |
$sip = false; |
| 277 |
$smp = false; |
| 278 |
$pua = false; |
| 279 |
$puaag = false; |
| 280 |
$glyphToChar = array(); |
| 281 |
$unAGlyphs = ''; |
| 282 |
// Format 12 CMAP does characters above Unicode BMP i.e. some HKCS characters U+20000 and above |
| 283 |
if ($format == 12) { |
| 284 |
$this->seek($unicode_cmap_offset + 4); |
| 285 |
$length = $this->read_ulong(); |
| 286 |
$limit = $unicode_cmap_offset + $length; |
| 287 |
$this->skip(4); |
| 288 |
$nGroups = $this->read_ulong(); |
| 289 |
for ($i = 0; $i < $nGroups; $i++) { |
| 290 |
$startCharCode = $this->read_ulong(); |
| 291 |
$endCharCode = $this->read_ulong(); |
| 292 |
$startGlyphCode = $this->read_ulong(); |
| 293 |
if (($endCharCode > 0x20000 && $endCharCode < 0x2A6DF) || ($endCharCode > 0x2F800 && $endCharCode < 0x2FA1F)) { |
| 294 |
$sip = true; |
| 295 |
} |
| 296 |
if ($endCharCode > 0x10000 && $endCharCode < 0x1FFFF) { |
| 297 |
$smp = true; |
| 298 |
} |
| 299 |
if (($endCharCode > 0x0590 && $endCharCode < 0x077F) || ($endCharCode > 0xFE70 && $endCharCode < 0xFEFF) || ($endCharCode > 0xFB50 && $endCharCode < 0xFDFF)) { |
| 300 |
$rtl = true; |
| 301 |
} |
| 302 |
if ($endCharCode > 0x0900 && $endCharCode < 0x0DFF) { |
| 303 |
$indic = true; |
| 304 |
} |
| 305 |
if ($endCharCode > 0xE000 && $endCharCode < 0xF8FF) { |
| 306 |
$pua = true; |
| 307 |
if ($endCharCode > 0xF500 && $endCharCode < 0xF7FF) { |
| 308 |
$puaag = true; |
| 309 |
} |
| 310 |
} |
| 311 |
if (($endCharCode > 0x2E80 && $endCharCode < 0x4DC0) || ($endCharCode > 0x4E00 && $endCharCode < 0xA4CF) || ($endCharCode > 0xAC00 && $endCharCode < 0xD7AF) || ($endCharCode > 0xF900 && $endCharCode < 0xFAFF) || ($endCharCode > 0xFE30 && $endCharCode < 0xFE4F)) { |
| 312 |
$cjk = true; |
| 313 |
} |
| 314 |
|
| 315 |
$offset = 0; |
| 316 |
// Get each glyphToChar - only point if going to analyse un-mapped Arabic Glyphs |
| 317 |
if (isset($this->tables['post'])) { |
| 318 |
for ($unichar = $startCharCode; $unichar <= $endCharCode; $unichar++) { |
| 319 |
$glyph = $startGlyphCode + $offset; |
| 320 |
$offset++; |
| 321 |
$glyphToChar[$glyph][] = $unichar; |
| 322 |
} |
| 323 |
} |
| 324 |
} |
| 325 |
} else { // Format 4 CMap |
| 326 |
$this->seek($unicode_cmap_offset + 2); |
| 327 |
$length = $this->read_ushort(); |
| 328 |
$limit = $unicode_cmap_offset + $length; |
| 329 |
$this->skip(2); |
| 330 |
|
| 331 |
$segCount = $this->read_ushort() / 2; |
| 332 |
$this->skip(6); |
| 333 |
$endCount = array(); |
| 334 |
for ($i = 0; $i < $segCount; $i++) { |
| 335 |
$endCount[] = $this->read_ushort(); |
| 336 |
} |
| 337 |
$this->skip(2); |
| 338 |
$startCount = array(); |
| 339 |
for ($i = 0; $i < $segCount; $i++) { |
| 340 |
$startCount[] = $this->read_ushort(); |
| 341 |
} |
| 342 |
$idDelta = array(); |
| 343 |
for ($i = 0; $i < $segCount; $i++) { |
| 344 |
$idDelta[] = $this->read_short(); |
| 345 |
} |
| 346 |
$idRangeOffset_start = $this->_pos; |
| 347 |
$idRangeOffset = array(); |
| 348 |
for ($i = 0; $i < $segCount; $i++) { |
| 349 |
$idRangeOffset[] = $this->read_ushort(); |
| 350 |
} |
| 351 |
|
| 352 |
for ($n = 0; $n < $segCount; $n++) { |
| 353 |
if (($endCount[$n] > 0x0590 && $endCount[$n] < 0x077F) || ($endCount[$n] > 0xFE70 && $endCount[$n] < 0xFEFF) || ($endCount[$n] > 0xFB50 && $endCount[$n] < 0xFDFF)) { |
| 354 |
$rtl = true; |
| 355 |
} |
| 356 |
if ($endCount[$n] > 0x0900 && $endCount[$n] < 0x0DFF) { |
| 357 |
$indic = true; |
| 358 |
} |
| 359 |
if (($endCount[$n] > 0x2E80 && $endCount[$n] < 0x4DC0) || ($endCount[$n] > 0x4E00 && $endCount[$n] < 0xA4CF) || ($endCount[$n] > 0xAC00 && $endCount[$n] < 0xD7AF) || ($endCount[$n] > 0xF900 && $endCount[$n] < 0xFAFF) || ($endCount[$n] > 0xFE30 && $endCount[$n] < 0xFE4F)) { |
| 360 |
$cjk = true; |
| 361 |
} |
| 362 |
if ($endCount[$n] > 0xE000 && $endCount[$n] < 0xF8FF) { |
| 363 |
$pua = true; |
| 364 |
if ($endCount[$n] > 0xF500 && $endCount[$n] < 0xF7FF) { |
| 365 |
$puaag = true; |
| 366 |
} |
| 367 |
} |
| 368 |
// Get each glyphToChar - only point if going to analyse un-mapped Arabic Glyphs |
| 369 |
if (isset($this->tables['post'])) { |
| 370 |
$endpoint = ($endCount[$n] + 1); |
| 371 |
for ($unichar = $startCount[$n]; $unichar < $endpoint; $unichar++) { |
| 372 |
if ($idRangeOffset[$n] == 0) |
| 373 |
$glyph = ($unichar + $idDelta[$n]) & 0xFFFF; |
| 374 |
else { |
| 375 |
$offset = ($unichar - $startCount[$n]) * 2 + $idRangeOffset[$n]; |
| 376 |
$offset = $idRangeOffset_start + 2 * $n + $offset; |
| 377 |
if ($offset >= $limit) |
| 378 |
$glyph = 0; |
| 379 |
else { |
| 380 |
$glyph = $this->get_ushort($offset); |
| 381 |
if ($glyph != 0) |
| 382 |
$glyph = ($glyph + $idDelta[$n]) & 0xFFFF; |
| 383 |
} |
| 384 |
} |
| 385 |
$glyphToChar[$glyph][] = $unichar; |
| 386 |
} |
| 387 |
} |
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
|
| 392 |
$bold = false; |
| 393 |
$italic = false; |
| 394 |
$ftype = ''; |
| 395 |
if ($macStyle & (1 << 0)) { |
| 396 |
$bold = true; |
| 397 |
} // bit 0 bold |
| 398 |
else if ($fsSelection & (1 << 5)) { |
| 399 |
$bold = true; |
| 400 |
} // 5 BOLD Characters are emboldened |
| 401 |
|
| 402 |
if ($macStyle & (1 << 1)) { |
| 403 |
$italic = true; |
| 404 |
} // bit 1 italic |
| 405 |
else if ($fsSelection & (1 << 0)) { |
| 406 |
$italic = true; |
| 407 |
} // 0 ITALIC Font contains Italic characters, otherwise they are upright |
| 408 |
else if ($this->italicAngle <> 0) { |
| 409 |
$italic = true; |
| 410 |
} |
| 411 |
|
| 412 |
if ($isFixedPitch) { |
| 413 |
$ftype = 'mono'; |
| 414 |
} else if ($sFamily > 0 && $sFamily < 8) { |
| 415 |
$ftype = 'serif'; |
| 416 |
} else if ($sFamily == 8) { |
| 417 |
$ftype = 'sans'; |
| 418 |
} else if ($sFamily == 10) { |
| 419 |
$ftype = 'cursive'; |
| 420 |
} |
| 421 |
// Use PANOSE |
| 422 |
if ($panose) { |
| 423 |
$bFamilyType = ord($panose[0]); |
| 424 |
if ($bFamilyType == 2) { |
| 425 |
$bSerifStyle = ord($panose[1]); |
| 426 |
if (!$ftype) { |
| 427 |
if ($bSerifStyle > 1 && $bSerifStyle < 11) { |
| 428 |
$ftype = 'serif'; |
| 429 |
} else if ($bSerifStyle > 10) { |
| 430 |
$ftype = 'sans'; |
| 431 |
} |
| 432 |
} |
| 433 |
$bProportion = ord($panose[3]); |
| 434 |
if ($bProportion == 9 || $bProportion == 1) { |
| 435 |
$ftype = 'mono'; |
| 436 |
} // ==1 i.e. No Fit needed for OCR-a and -b |
| 437 |
} else if ($bFamilyType == 3) { |
| 438 |
$ftype = 'cursive'; |
| 439 |
} |
| 440 |
} |
| 441 |
|
| 442 |
fclose($this->fh); |
| 443 |
return array($this->familyName, $bold, $italic, $ftype, $TTCfontID, $rtl, $indic, $cjk, $sip, $smp, $puaag, $pua, $unAGlyphs); |
| 444 |
} |
| 445 |
|
| 446 |
} |
| 447 |
|
