Pop\Pdf\Parser\Font::getGlyphWidths PHP Метод

    protected function getGlyphWidths(\Pop\Font\TrueType\Table\Cmap $cmap)
    {
        $gw = array('encoding' => null, 'widths' => array());
        $uniTable = null;
        $msTable = null;
        $macTable = null;
        foreach ($cmap->subTables as $index => $table) {
            if ($table->encoding == 'Microsoft Unicode') {
                $msTable = $index;
            }
            if ($table->encoding == 'Unicode') {
                $uniTable = $index;
            }
            if ($table->encoding == 'Mac Roman' && $table->format == 0) {
                $macTable = $index;
            }
        }
        if (null !== $msTable) {
            $gw['encoding'] = 'WinAnsiEncoding';
            foreach ($cmap->subTables[$msTable]->parsed['glyphNumbers'] as $key => $value) {
                $gw['widths'][$key] = $this->font->glyphWidths[$value];
            }
        } else {
            if (null !== $uniTable) {
                $gw['encoding'] = 'WinAnsiEncoding';
                foreach ($cmap->subTables[$uniTable]->parsed['glyphNumbers'] as $key => $value) {
                    $gw['widths'][$key] = $this->font->glyphWidths[$value];
                }
            } else {
                if (null !== $macTable) {
                    $gw['encoding'] = 'MacRomanEncoding';
                    foreach ($cmap->subTables[$macTable]->parsed as $key => $value) {
                        if ($this->font->glyphWidths[$value->ascii] != 0 && $this->font->glyphWidths[$value->ascii] != $this->font->missingWidth) {
                            $gw['widths'][$key] = $this->font->glyphWidths[$value->ascii];
                        }
                    }
                }
            }
        }
        return $gw;
    }