PHPExcel_Shared

# Source for file Drawing.php Documentation is available at Drawing.php <?php /** * PHPExcel * * Copyright (c) 2006 - 2010 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 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version 1.7.2, 2010-01-11 */ /** PHPExcel root */ if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); } /** PHPExcel_Shared_String */ require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/Font.php'; /** * PHPExcel_Shared_Drawing * * @category PHPExcel * @package PHPExcel_Shared * @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_Shared_Drawing { /** * Convert pixels to EMU * * @param int $pValue Value in pixels * @return int Value in EMU */ public static function pixelsToEMU($pValue = 0) { return round($pValue * 9525); } /** * Convert EMU to pixels * * @param int $pValue Value in EMU * @return int Value in pixels */ public static function EMUToPixels($pValue = 0) { if ($pValue != 0) { return round($pValue / 9525); } else { return 0; } } /** * Convert pixels to column width. Exact algorithm not known. * By inspection of a real Excel file using Calibri 11, one finds 1000px ~ 142.85546875 * This gives a conversion factor of 7. Also, we assume that pixels and font size are proportional. * * @param int $pValue Value in pixels * @param PHPExcel_Style_Font $pDefaultFont Default font of the workbook * @return int Value in cell dimension */ public static function pixelsToCellDimension($pValue = 0, PHPExcel_Style_Font $pDefaultFont) { // Font name and size $name = $pDefaultFont->getName(); $size = $pDefaultFont->getSize(); if (isset(PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size])) { // Exact width can be determined $colWidth = $pValue * PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['width'] / PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['px']; } else { // We don't have data for this particular font and size, use approximation by // extrapolating from Calibri 11 $colWidth = $pValue * 11 * PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['width'] / PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['px'] / $size; } return $colWidth; } /** * Convert column width from (intrinsic) Excel units to pixels * * @param float $pValue Value in cell dimension * @param PHPExcel_Style_Font $pDefaultFont Default font of the workbook * @return int Value in pixels */ public static function cellDimensionToPixels($pValue = 0, PHPExcel_Style_Font $pDefaultFont) { // Font name and size $name = $pDefaultFont->getName(); $size = $pDefaultFont->getSize(); if (isset(PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size])) { // Exact width can be determined $colWidth = $pValue * PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['px'] / PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['width']; } else { // We don't have data for this particular font and size, use approximation by // extrapolating from Calibri 11 $colWidth = $pValue * $size * PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['px'] / PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['width'] / 11; } // Round pixels to closest integer $colWidth = (int) round($colWidth); return $colWidth; } /** * Convert pixels to points * * @param int $pValue Value in pixels * @return int Value in points */ public static function pixelsToPoints($pValue = 0) { return $pValue * 0.67777777; } /** * Convert points to pixels * * @param int $pValue Value in points * @return int Value in pixels */ public static function pointsToPixels($pValue = 0) { if ($pValue != 0) { return (int) ceil($pValue * 1.333333333); } else { return 0; } } /** * Convert degrees to angle * * @param int $pValue Degrees * @return int Angle */ public static function degreesToAngle($pValue = 0) { return (int)round($pValue * 60000); } /** * Convert angle to degrees * * @param int $pValue Angle * @return int Degrees */ public static function angleToDegrees($pValue = 0) { if ($pValue != 0) { return round($pValue / 60000); } else { return 0; } } } Documentation generated on Mon, 11 Jan 2010 08:07:58 +0100 by phpDocumentor 1.4.1