thorsten / phpMyFAQ

			// get the offsets to the locations of the glyphs in the font, relative to the beginning of the glyphData table

			$indexToLoc = array();

			$offset = $table['loca']['offset'];

			if ($short_offset) {

				// short version

				$tot_num_glyphs = floor($table['loca']['length'] / 2); // numGlyphs + 1

				for ($i = 0; $i < $tot_num_glyphs; ++$i) {

					$indexToLoc[$i] = TCPDF_STATIC::_getUSHORT($font, $offset) * 2;

					$offset += 2;

				}

			} else {

				// long version

				$tot_num_glyphs = floor($table['loca']['length'] / 4); // numGlyphs + 1

				for ($i = 0; $i < $tot_num_glyphs; ++$i) {

					$indexToLoc[$i] = TCPDF_STATIC::_getULONG($font, $offset);

					$offset += 4;

				}

			}

			// get glyphs indexes of chars from cmap table

			$offset = $table['cmap']['offset'] + 2;

			$numEncodingTables = TCPDF_STATIC::_getUSHORT($font, $offset);

		// get the offsets to the locations of the glyphs in the font, relative to the beginning of the glyphData table

		$indexToLoc = array();

		$offset = $table['loca']['offset'];

		if ($short_offset) {

			// short version

			$tot_num_glyphs = floor($table['loca']['length'] / 2); // numGlyphs + 1

			for ($i = 0; $i < $tot_num_glyphs; ++$i) {

				$indexToLoc[$i] = TCPDF_STATIC::_getUSHORT($font, $offset) * 2;

				$offset += 2;

			}

		} else {

			// long version

			$tot_num_glyphs = ($table['loca']['length'] / 4); // numGlyphs + 1

			for ($i = 0; $i < $tot_num_glyphs; ++$i) {

				$indexToLoc[$i] = TCPDF_STATIC::_getULONG($font, $offset);

				$offset += 4;

			}

		}

		// get glyphs indexes of chars from cmap table

		$subsetglyphs = array(); // glyph IDs on key

		$subsetglyphs[0] = true; // character codes that do not correspond to any glyph in the font should be mapped to glyph index 0