138 lines
3.5 KiB
PHP
138 lines
3.5 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2009 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Shared
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* @copyright Copyright (c) 2006 - 2009 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version 1.7.0, 2009-08-10
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*/
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/**
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* PHPExcel_Shared_Drawing
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*
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* @category PHPExcel
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* @package PHPExcel_Shared
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* @copyright Copyright (c) 2006 - 2009 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Shared_Drawing
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{
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/**
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* Convert pixels to EMU
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*
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* @param int $pValue Value in pixels
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* @return int Value in EMU
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*/
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public static function pixelsToEMU($pValue = 0) {
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return round($pValue * 9525);
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}
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/**
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* Convert EMU to pixels
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*
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* @param int $pValue Value in EMU
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* @return int Value in pixels
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*/
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public static function EMUToPixels($pValue = 0) {
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if ($pValue != 0) {
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return round($pValue / 9525);
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} else {
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return 0;
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}
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}
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/**
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* Convert pixels to cell dimension. Exact algorithm not known.
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* By inspection of a real Excel file using Calibri 11, one finds 1000px ~ 142.85546875
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* This gives a conversion factor of 7. Also, we assume that pixels and font size are proportional.
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*
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* @param int $pValue Value in pixels
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* @param int $pFontSize Default font size of workbook
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* @return int Value in cell dimension
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*/
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public static function pixelsToCellDimension($pValue = 0, $pFontSize = 11) {
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return $pValue * $pFontSize / 11 / 7;
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}
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/**
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* Convert cell width to pixels
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*
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* @param int $pValue Value in cell dimension
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* @param int $pFontSize Default font size of workbook
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* @return int Value in pixels
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*/
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public static function cellDimensionToPixels($pValue = 0, $pFontSize = 11) {
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if ($pValue != 0) {
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return $pValue * 7 * $pFontSize / 11;
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} else {
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return 0;
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}
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}
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/**
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* Convert pixels to points
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*
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* @param int $pValue Value in pixels
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* @return int Value in points
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*/
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public static function pixelsToPoints($pValue = 0) {
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return $pValue * 0.67777777;
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}
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/**
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* Convert points to pixels
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*
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* @param int $pValue Value in points
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* @return int Value in pixels
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*/
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public static function pointsToPixels($pValue = 0) {
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if ($pValue != 0) {
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return (int) ceil($pValue * 1.333333333);
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} else {
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return 0;
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}
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}
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/**
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* Convert degrees to angle
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*
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* @param int $pValue Degrees
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* @return int Angle
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*/
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public static function degreesToAngle($pValue = 0) {
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return (int)round($pValue * 60000);
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}
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/**
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* Convert angle to degrees
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*
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* @param int $pValue Angle
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* @return int Degrees
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*/
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public static function angleToDegrees($pValue = 0) {
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if ($pValue != 0) {
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return round($pValue / 60000);
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} else {
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return 0;
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}
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}
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}
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