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@@ 626-675 (lines=50) @@
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| 623 |
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} |
| 624 |
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break; |
| 625 |
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} |
| 626 |
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case 4: { // Format 4: Segment mapping to delta values |
| 627 |
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$length = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 628 |
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$offset += 2; |
| 629 |
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$offset += 2; // skip version/language |
| 630 |
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$segCount = floor(TCPDF_STATIC::_getUSHORT($font, $offset) / 2); |
| 631 |
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$offset += 2; |
| 632 |
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$offset += 6; // skip searchRange, entrySelector, rangeShift |
| 633 |
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$endCount = array(); // array of end character codes for each segment |
| 634 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 635 |
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$endCount[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 636 |
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$offset += 2; |
| 637 |
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} |
| 638 |
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$offset += 2; // skip reservedPad |
| 639 |
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$startCount = array(); // array of start character codes for each segment |
| 640 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 641 |
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$startCount[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 642 |
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$offset += 2; |
| 643 |
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} |
| 644 |
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$idDelta = array(); // delta for all character codes in segment |
| 645 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 646 |
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$idDelta[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 647 |
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$offset += 2; |
| 648 |
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} |
| 649 |
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$idRangeOffset = array(); // Offsets into glyphIdArray or 0 |
| 650 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 651 |
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$idRangeOffset[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 652 |
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$offset += 2; |
| 653 |
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} |
| 654 |
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$gidlen = (floor($length / 2) - 8 - (4 * $segCount)); |
| 655 |
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$glyphIdArray = array(); // glyph index array |
| 656 |
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for ($k = 0; $k < $gidlen; ++$k) { |
| 657 |
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$glyphIdArray[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 658 |
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$offset += 2; |
| 659 |
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} |
| 660 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 661 |
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for ($c = $startCount[$k]; $c <= $endCount[$k]; ++$c) { |
| 662 |
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if ($idRangeOffset[$k] == 0) { |
| 663 |
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$g = ($idDelta[$k] + $c) % 65536; |
| 664 |
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} else { |
| 665 |
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$gid = (floor($idRangeOffset[$k] / 2) + ($c - $startCount[$k]) - ($segCount - $k)); |
| 666 |
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$g = ($glyphIdArray[$gid] + $idDelta[$k]) % 65536; |
| 667 |
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} |
| 668 |
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if ($g < 0) { |
| 669 |
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$g = 0; |
| 670 |
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} |
| 671 |
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$ctg[$c] = $g; |
| 672 |
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} |
| 673 |
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} |
| 674 |
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break; |
| 675 |
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} |
| 676 |
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case 6: { // Format 6: Trimmed table mapping |
| 677 |
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$offset += 4; // skip length and version/language |
| 678 |
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$firstCode = TCPDF_STATIC::_getUSHORT($font, $offset); |
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@@ 1095-1146 (lines=52) @@
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| 1092 |
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} |
| 1093 |
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break; |
| 1094 |
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} |
| 1095 |
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case 4: { // Format 4: Segment mapping to delta values |
| 1096 |
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$length = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1097 |
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$offset += 2; |
| 1098 |
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$offset += 2; // skip version/language |
| 1099 |
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$segCount = floor(TCPDF_STATIC::_getUSHORT($font, $offset) / 2); |
| 1100 |
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$offset += 2; |
| 1101 |
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$offset += 6; // skip searchRange, entrySelector, rangeShift |
| 1102 |
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$endCount = array(); // array of end character codes for each segment |
| 1103 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 1104 |
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$endCount[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1105 |
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$offset += 2; |
| 1106 |
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} |
| 1107 |
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$offset += 2; // skip reservedPad |
| 1108 |
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$startCount = array(); // array of start character codes for each segment |
| 1109 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 1110 |
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$startCount[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1111 |
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$offset += 2; |
| 1112 |
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} |
| 1113 |
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$idDelta = array(); // delta for all character codes in segment |
| 1114 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 1115 |
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$idDelta[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1116 |
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$offset += 2; |
| 1117 |
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} |
| 1118 |
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$idRangeOffset = array(); // Offsets into glyphIdArray or 0 |
| 1119 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 1120 |
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$idRangeOffset[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1121 |
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$offset += 2; |
| 1122 |
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} |
| 1123 |
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$gidlen = (floor($length / 2) - 8 - (4 * $segCount)); |
| 1124 |
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$glyphIdArray = array(); // glyph index array |
| 1125 |
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for ($k = 0; $k < $gidlen; ++$k) { |
| 1126 |
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$glyphIdArray[$k] = TCPDF_STATIC::_getUSHORT($font, $offset); |
| 1127 |
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$offset += 2; |
| 1128 |
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} |
| 1129 |
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for ($k = 0; $k < $segCount; ++$k) { |
| 1130 |
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for ($c = $startCount[$k]; $c <= $endCount[$k]; ++$c) { |
| 1131 |
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if (isset($subsetchars[$c])) { |
| 1132 |
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if ($idRangeOffset[$k] == 0) { |
| 1133 |
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$g = ($idDelta[$k] + $c) % 65536; |
| 1134 |
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} else { |
| 1135 |
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$gid = (floor($idRangeOffset[$k] / 2) + ($c - $startCount[$k]) - ($segCount - $k)); |
| 1136 |
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$g = ($glyphIdArray[$gid] + $idDelta[$k]) % 65536; |
| 1137 |
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} |
| 1138 |
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if ($g < 0) { |
| 1139 |
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$g = 0; |
| 1140 |
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} |
| 1141 |
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$subsetglyphs[$g] = true; |
| 1142 |
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} |
| 1143 |
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} |
| 1144 |
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} |
| 1145 |
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break; |
| 1146 |
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} |
| 1147 |
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case 6: { // Format 6: Trimmed table mapping |
| 1148 |
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$offset += 4; // skip length and version/language |
| 1149 |
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$firstCode = TCPDF_STATIC::_getUSHORT($font, $offset); |
thorsten /
phpMyFAQ
