ThinkPHP/Library/Org/Util/PHPExcel/Shared/Excel5.php

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<?php

/**
 * PHPExcel_Shared_Excel5
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Shared
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_Shared_Excel5
{
    /**
     * Get the width of a column in pixels. We use the relationship y = ceil(7x) where
     * x is the width in intrinsic Excel units (measuring width in number of normal characters)
     * This holds for Arial 10
     *
     * @param PHPExcel_Worksheet $sheet The sheet
     * @param string $col The column
     * @return integer The width in pixels
    */
    public static function sizeCol($sheet, $col = 'A')
    {
        // default font of the workbook
        $font = $sheet->getParent()->getDefaultStyle()->getFont();

        $columnDimensions = $sheet->getColumnDimensions();

        // first find the true column width in pixels (uncollapsed and unhidden)
        if (isset($columnDimensions[$col]) and $columnDimensions[$col]->getWidth() != -1) {
            // then we have column dimension with explicit width
            $columnDimension = $columnDimensions[$col];
            $width = $columnDimension->getWidth();
            $pixelWidth = PHPExcel_Shared_Drawing::cellDimensionToPixels($width, $font);
        } elseif ($sheet->getDefaultColumnDimension()->getWidth() != -1) {
            // then we have default column dimension with explicit width
            $defaultColumnDimension = $sheet->getDefaultColumnDimension();
            $width = $defaultColumnDimension->getWidth();
            $pixelWidth = PHPExcel_Shared_Drawing::cellDimensionToPixels($width, $font);
        } else {
            // we don't even have any default column dimension. Width depends on default font
            $pixelWidth = PHPExcel_Shared_Font::getDefaultColumnWidthByFont($font, true);
        }