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<?php /** * PHPExcel * * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version 1.8.0, 2014-03-02 */
/** * PHPExcel_Shared_Font * * @category PHPExcel * @package PHPExcel_Shared * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_Shared_Font { /* Methods for resolving autosize value */ const AUTOSIZE_METHOD_APPROX = 'approx'; const AUTOSIZE_METHOD_EXACT = 'exact';
private static $_autoSizeMethods = array( self::AUTOSIZE_METHOD_APPROX, self::AUTOSIZE_METHOD_EXACT, );
/** Character set codes used by BIFF5-8 in Font records */ const CHARSET_ANSI_LATIN = 0x00; const CHARSET_SYSTEM_DEFAULT = 0x01; const CHARSET_SYMBOL = 0x02; const CHARSET_APPLE_ROMAN = 0x4D; const CHARSET_ANSI_JAPANESE_SHIFTJIS = 0x80; const CHARSET_ANSI_KOREAN_HANGUL = 0x81; const CHARSET_ANSI_KOREAN_JOHAB = 0x82; const CHARSET_ANSI_CHINESE_SIMIPLIFIED = 0x86; // gb2312 const CHARSET_ANSI_CHINESE_TRADITIONAL = 0x88; // big5 const CHARSET_ANSI_GREEK = 0xA1; const CHARSET_ANSI_TURKISH = 0xA2; const CHARSET_ANSI_VIETNAMESE = 0xA3; const CHARSET_ANSI_HEBREW = 0xB1; const CHARSET_ANSI_ARABIC = 0xB2; const CHARSET_ANSI_BALTIC = 0xBA; const CHARSET_ANSI_CYRILLIC = 0xCC; const CHARSET_ANSI_THAI = 0xDD; const CHARSET_ANSI_LATIN_II = 0xEE; const CHARSET_OEM_LATIN_I = 0xFF;
// XXX: Constants created! /** Font filenames */ const ARIAL = 'arial.ttf'; const ARIAL_BOLD = 'arialbd.ttf'; const ARIAL_ITALIC = 'ariali.ttf'; const ARIAL_BOLD_ITALIC = 'arialbi.ttf';
const CALIBRI = 'CALIBRI.TTF'; const CALIBRI_BOLD = 'CALIBRIB.TTF'; const CALIBRI_ITALIC = 'CALIBRII.TTF'; const CALIBRI_BOLD_ITALIC = 'CALIBRIZ.TTF';
const COMIC_SANS_MS = 'comic.ttf'; const COMIC_SANS_MS_BOLD = 'comicbd.ttf';
const COURIER_NEW = 'cour.ttf'; const COURIER_NEW_BOLD = 'courbd.ttf'; const COURIER_NEW_ITALIC = 'couri.ttf'; const COURIER_NEW_BOLD_ITALIC = 'courbi.ttf';
const GEORGIA = 'georgia.ttf'; const GEORGIA_BOLD = 'georgiab.ttf'; const GEORGIA_ITALIC = 'georgiai.ttf'; const GEORGIA_BOLD_ITALIC = 'georgiaz.ttf';
const IMPACT = 'impact.ttf';
const LIBERATION_SANS = 'LiberationSans-Regular.ttf'; const LIBERATION_SANS_BOLD = 'LiberationSans-Bold.ttf'; const LIBERATION_SANS_ITALIC = 'LiberationSans-Italic.ttf'; const LIBERATION_SANS_BOLD_ITALIC = 'LiberationSans-BoldItalic.ttf';
const LUCIDA_CONSOLE = 'lucon.ttf'; const LUCIDA_SANS_UNICODE = 'l_10646.ttf';
const MICROSOFT_SANS_SERIF = 'micross.ttf';
const PALATINO_LINOTYPE = 'pala.ttf'; const PALATINO_LINOTYPE_BOLD = 'palab.ttf'; const PALATINO_LINOTYPE_ITALIC = 'palai.ttf'; const PALATINO_LINOTYPE_BOLD_ITALIC = 'palabi.ttf';
const SYMBOL = 'symbol.ttf';
const TAHOMA = 'tahoma.ttf'; const TAHOMA_BOLD = 'tahomabd.ttf';
const TIMES_NEW_ROMAN = 'times.ttf'; const TIMES_NEW_ROMAN_BOLD = 'timesbd.ttf'; const TIMES_NEW_ROMAN_ITALIC = 'timesi.ttf'; const TIMES_NEW_ROMAN_BOLD_ITALIC = 'timesbi.ttf';
const TREBUCHET_MS = 'trebuc.ttf'; const TREBUCHET_MS_BOLD = 'trebucbd.ttf'; const TREBUCHET_MS_ITALIC = 'trebucit.ttf'; const TREBUCHET_MS_BOLD_ITALIC = 'trebucbi.ttf';
const VERDANA = 'verdana.ttf'; const VERDANA_BOLD = 'verdanab.ttf'; const VERDANA_ITALIC = 'verdanai.ttf'; const VERDANA_BOLD_ITALIC = 'verdanaz.ttf';
/** * AutoSize method * * @var string */ private static $autoSizeMethod = self::AUTOSIZE_METHOD_APPROX;
/** * Path to folder containing TrueType font .ttf files * * @var string */ private static $trueTypeFontPath = null;
/** * How wide is a default column for a given default font and size? * Empirical data found by inspecting real Excel files and reading off the pixel width * in Microsoft Office Excel 2007. * * @var array */ public static $defaultColumnWidths = array( 'Arial' => array( 1 => array('px' => 24, 'width' => 12.00000000), 2 => array('px' => 24, 'width' => 12.00000000), 3 => array('px' => 32, 'width' => 10.66406250), 4 => array('px' => 32, 'width' => 10.66406250), 5 => array('px' => 40, 'width' => 10.00000000), 6 => array('px' => 48, 'width' => 9.59765625), 7 => array('px' => 48, 'width' => 9.59765625), 8 => array('px' => 56, 'width' => 9.33203125), 9 => array('px' => 64, 'width' => 9.14062500), 10 => array('px' => 64, 'width' => 9.14062500), ), 'Calibri' => array( 1 => array('px' => 24, 'width' => 12.00000000), 2 => array('px' => 24, 'width' => 12.00000000), 3 => array('px' => 32, 'width' => 10.66406250), 4 => array('px' => 32, 'width' => 10.66406250), 5 => array('px' => 40, 'width' => 10.00000000), 6 => array('px' => 48, 'width' => 9.59765625), 7 => array('px' => 48, 'width' => 9.59765625), 8 => array('px' => 56, 'width' => 9.33203125), 9 => array('px' => 56, 'width' => 9.33203125), 10 => array('px' => 64, 'width' => 9.14062500), 11 => array('px' => 64, 'width' => 9.14062500), ), 'Verdana' => array( 1 => array('px' => 24, 'width' => 12.00000000), 2 => array('px' => 24, 'width' => 12.00000000), 3 => array('px' => 32, 'width' => 10.66406250), 4 => array('px' => 32, 'width' => 10.66406250), 5 => array('px' => 40, 'width' => 10.00000000), 6 => array('px' => 48, 'width' => 9.59765625), 7 => array('px' => 48, 'width' => 9.59765625), 8 => array('px' => 64, 'width' => 9.14062500), 9 => array('px' => 72, 'width' => 9.00000000), 10 => array('px' => 72, 'width' => 9.00000000), ), );
/** * Set autoSize method * * @param string $pValue * @return boolean Success or failure */ public static function setAutoSizeMethod($pValue = self::AUTOSIZE_METHOD_APPROX) { if (!in_array($pValue,self::$_autoSizeMethods)) { return FALSE; }
self::$autoSizeMethod = $pValue;
return TRUE; }
/** * Get autoSize method * * @return string */ public static function getAutoSizeMethod() { return self::$autoSizeMethod; }
/** * Set the path to the folder containing .ttf files. There should be a trailing slash. * Typical locations on variout some platforms: * <ul> * <li>C:/Windows/Fonts/</li> * <li>/usr/share/fonts/truetype/</li> * <li>~/.fonts/</li> * </ul> * * @param string $pValue */ public static function setTrueTypeFontPath($pValue = '') { self::$trueTypeFontPath = $pValue; }
/** * Get the path to the folder containing .ttf files. * * @return string */ public static function getTrueTypeFontPath() { return self::$trueTypeFontPath; }
/** * Calculate an (approximate) OpenXML column width, based on font size and text contained * * @param PHPExcel_Style_Font $font Font object * @param PHPExcel_RichText|string $cellText Text to calculate width * @param integer $rotation Rotation angle * @param PHPExcel_Style_Font|NULL $defaultFont Font object * @return integer Column width */ public static function calculateColumnWidth(PHPExcel_Style_Font $font, $cellText = '', $rotation = 0, PHPExcel_Style_Font $defaultFont = null) {
// If it is rich text, use plain text if ($cellText instanceof PHPExcel_RichText) { $cellText = $cellText->getPlainText(); }
// Special case if there are one or more newline characters ("\n") if (strpos($cellText, "\n") !== false) { $lineTexts = explode("\n", $cellText); $lineWitdhs = array(); foreach ($lineTexts as $lineText) { $lineWidths[] = self::calculateColumnWidth($font, $lineText, $rotation = 0, $defaultFont); } return max($lineWidths); // width of longest line in cell }
// Try to get the exact text width in pixels try { // If autosize method is set to 'approx', use approximation if (self::$autoSizeMethod == self::AUTOSIZE_METHOD_APPROX) { throw new PHPExcel_Exception('AutoSize method is set to approx'); }
// Width of text in pixels excl. padding $columnWidth = self::getTextWidthPixelsExact($cellText, $font, $rotation);
// Excel adds some padding, use 1.07 of the width of an 'n' glyph $columnWidth += ceil(self::getTextWidthPixelsExact('0', $font, 0) * 1.07); // pixels incl. padding
} catch (PHPExcel_Exception $e) { // Width of text in pixels excl. padding, approximation $columnWidth = self::getTextWidthPixelsApprox($cellText, $font, $rotation);
// Excel adds some padding, just use approx width of 'n' glyph $columnWidth += self::getTextWidthPixelsApprox('n', $font, 0); }
// Convert from pixel width to column width $columnWidth = PHPExcel_Shared_Drawing::pixelsToCellDimension($columnWidth, $defaultFont);
// Return return round($columnWidth, 6); }
/** * Get GD text width in pixels for a string of text in a certain font at a certain rotation angle * * @param string $text * @param PHPExcel_Style_Font * @param int $rotation * @return int * @throws PHPExcel_Exception */ public static function getTextWidthPixelsExact($text, PHPExcel_Style_Font $font, $rotation = 0) { if (!function_exists('imagettfbbox')) { throw new PHPExcel_Exception('GD library needs to be enabled'); }
// font size should really be supplied in pixels in GD2, // but since GD2 seems to assume 72dpi, pixels and points are the same $fontFile = self::getTrueTypeFontFileFromFont($font); $textBox = imagettfbbox($font->getSize(), $rotation, $fontFile, $text);
// Get corners positions $lowerLeftCornerX = $textBox[0]; $lowerLeftCornerY = $textBox[1]; $lowerRightCornerX = $textBox[2]; $lowerRightCornerY = $textBox[3]; $upperRightCornerX = $textBox[4]; $upperRightCornerY = $textBox[5]; $upperLeftCornerX = $textBox[6]; $upperLeftCornerY = $textBox[7];
// Consider the rotation when calculating the width $textWidth = max($lowerRightCornerX - $upperLeftCornerX, $upperRightCornerX - $lowerLeftCornerX);
return $textWidth; }
/** * Get approximate width in pixels for a string of text in a certain font at a certain rotation angle * * @param string $columnText * @param PHPExcel_Style_Font $font * @param int $rotation * @return int Text width in pixels (no padding added) */ public static function getTextWidthPixelsApprox($columnText, PHPExcel_Style_Font $font = null, $rotation = 0) { $fontName = $font->getName(); $fontSize = $font->getSize();
// Calculate column width in pixels. We assume fixed glyph width. Result varies with font name and size. switch ($fontName) { case 'Calibri': // value 8.26 was found via interpolation by inspecting real Excel files with Calibri 11 font. $columnWidth = (int) (8.26 * PHPExcel_Shared_String::CountCharacters($columnText)); $columnWidth = $columnWidth * $fontSize / 11; // extrapolate from font size break;
case 'Arial': // value 7 was found via interpolation by inspecting real Excel files with Arial 10 font. $columnWidth = (int) (7 * PHPExcel_Shared_String::CountCharacters($columnText)); $columnWidth = $columnWidth * $fontSize / 10; // extrapolate from font size break;
case 'Verdana': // value 8 was found via interpolation by inspecting real Excel files with Verdana 10 font. $columnWidth = (int) (8 * PHPExcel_Shared_String::CountCharacters($columnText)); $columnWidth = $columnWidth * $fontSize / 10; // extrapolate from font size break;
default: // just assume Calibri $columnWidth = (int) (8.26 * PHPExcel_Shared_String::CountCharacters($columnText)); $columnWidth = $columnWidth * $fontSize / 11; // extrapolate from font size break; }
// Calculate approximate rotated column width if ($rotation !== 0) { if ($rotation == -165) { // stacked text $columnWidth = 4; // approximation } else { // rotated text $columnWidth = $columnWidth * cos(deg2rad($rotation)) + $fontSize * abs(sin(deg2rad($rotation))) / 5; // approximation } }
// pixel width is an integer $columnWidth = (int) $columnWidth; return $columnWidth; }
/** * Calculate an (approximate) pixel size, based on a font points size * * @param int $fontSizeInPoints Font size (in points) * @return int Font size (in pixels) */ public static function fontSizeToPixels($fontSizeInPoints = 11) { return (int) ((4 / 3) * $fontSizeInPoints); }
/** * Calculate an (approximate) pixel size, based on inch size * * @param int $sizeInInch Font size (in inch) * @return int Size (in pixels) */ public static function inchSizeToPixels($sizeInInch = 1) { return ($sizeInInch * 96); }
/** * Calculate an (approximate) pixel size, based on centimeter size * * @param int $sizeInCm Font size (in centimeters) * @return int Size (in pixels) */ public static function centimeterSizeToPixels($sizeInCm = 1) { return ($sizeInCm * 37.795275591); }
/** * Returns the font path given the font * * @param PHPExcel_Style_Font * @return string Path to TrueType font file */ public static function getTrueTypeFontFileFromFont($font) { if (!file_exists(self::$trueTypeFontPath) || !is_dir(self::$trueTypeFontPath)) { throw new PHPExcel_Exception('Valid directory to TrueType Font files not specified'); }
$name = $font->getName(); $bold = $font->getBold(); $italic = $font->getItalic();
// Check if we can map font to true type font file switch ($name) { case 'Arial': $fontFile = ( $bold ? ($italic ? self::ARIAL_BOLD_ITALIC : self::ARIAL_BOLD) : ($italic ? self::ARIAL_ITALIC : self::ARIAL) ); break;
case 'Calibri': $fontFile = ( $bold ? ($italic ? self::CALIBRI_BOLD_ITALIC : self::CALIBRI_BOLD) : ($italic ? self::CALIBRI_ITALIC : self::CALIBRI) ); break;
case 'Courier New': $fontFile = ( $bold ? ($italic ? self::COURIER_NEW_BOLD_ITALIC : self::COURIER_NEW_BOLD) : ($italic ? self::COURIER_NEW_ITALIC : self::COURIER_NEW) ); break;
case 'Comic Sans MS': $fontFile = ( $bold ? self::COMIC_SANS_MS_BOLD : self::COMIC_SANS_MS ); break;
case 'Georgia': $fontFile = ( $bold ? ($italic ? self::GEORGIA_BOLD_ITALIC : self::GEORGIA_BOLD) : ($italic ? self::GEORGIA_ITALIC : self::GEORGIA) ); break;
case 'Impact': $fontFile = self::IMPACT; break;
case 'Liberation Sans': $fontFile = ( $bold ? ($italic ? self::LIBERATION_SANS_BOLD_ITALIC : self::LIBERATION_SANS_BOLD) : ($italic ? self::LIBERATION_SANS_ITALIC : self::LIBERATION_SANS) ); break;
case 'Lucida Console': $fontFile = self::LUCIDA_CONSOLE; break;
case 'Lucida Sans Unicode': $fontFile = self::LUCIDA_SANS_UNICODE; break;
case 'Microsoft Sans Serif': $fontFile = self::MICROSOFT_SANS_SERIF; break;
case 'Palatino Linotype': $fontFile = ( $bold ? ($italic ? self::PALATINO_LINOTYPE_BOLD_ITALIC : self::PALATINO_LINOTYPE_BOLD) : ($italic ? self::PALATINO_LINOTYPE_ITALIC : self::PALATINO_LINOTYPE) ); break;
case 'Symbol': $fontFile = self::SYMBOL; break;
case 'Tahoma': $fontFile = ( $bold ? self::TAHOMA_BOLD : self::TAHOMA ); break;
case 'Times New Roman': $fontFile = ( $bold ? ($italic ? self::TIMES_NEW_ROMAN_BOLD_ITALIC : self::TIMES_NEW_ROMAN_BOLD) : ($italic ? self::TIMES_NEW_ROMAN_ITALIC : self::TIMES_NEW_ROMAN) ); break;
case 'Trebuchet MS': $fontFile = ( $bold ? ($italic ? self::TREBUCHET_MS_BOLD_ITALIC : self::TREBUCHET_MS_BOLD) : ($italic ? self::TREBUCHET_MS_ITALIC : self::TREBUCHET_MS) ); break;
case 'Verdana': $fontFile = ( $bold ? ($italic ? self::VERDANA_BOLD_ITALIC : self::VERDANA_BOLD) : ($italic ? self::VERDANA_ITALIC : self::VERDANA) ); break;
default: throw new PHPExcel_Exception('Unknown font name "'. $name .'". Cannot map to TrueType font file'); break; }
$fontFile = self::$trueTypeFontPath . $fontFile;
// Check if file actually exists if (!file_exists($fontFile)) { throw New PHPExcel_Exception('TrueType Font file not found'); }
return $fontFile; }
/** * Returns the associated charset for the font name. * * @param string $name Font name * @return int Character set code */ public static function getCharsetFromFontName($name) { switch ($name) { // Add more cases. Check FONT records in real Excel files. case 'EucrosiaUPC': return self::CHARSET_ANSI_THAI; case 'Wingdings': return self::CHARSET_SYMBOL; case 'Wingdings 2': return self::CHARSET_SYMBOL; case 'Wingdings 3': return self::CHARSET_SYMBOL; default: return self::CHARSET_ANSI_LATIN; } }
/** * Get the effective column width for columns without a column dimension or column with width -1 * For example, for Calibri 11 this is 9.140625 (64 px) * * @param PHPExcel_Style_Font $font The workbooks default font * @param boolean $pPixels true = return column width in pixels, false = return in OOXML units * @return mixed Column width */ public static function getDefaultColumnWidthByFont(PHPExcel_Style_Font $font, $pPixels = false) { if (isset(self::$defaultColumnWidths[$font->getName()][$font->getSize()])) { // Exact width can be determined $columnWidth = $pPixels ? self::$defaultColumnWidths[$font->getName()][$font->getSize()]['px'] : self::$defaultColumnWidths[$font->getName()][$font->getSize()]['width'];
} else { // We don't have data for this particular font and size, use approximation by // extrapolating from Calibri 11 $columnWidth = $pPixels ? self::$defaultColumnWidths['Calibri'][11]['px'] : self::$defaultColumnWidths['Calibri'][11]['width']; $columnWidth = $columnWidth * $font->getSize() / 11;
// Round pixels to closest integer if ($pPixels) { $columnWidth = (int) round($columnWidth); } }
return $columnWidth; }
/** * Get the effective row height for rows without a row dimension or rows with height -1 * For example, for Calibri 11 this is 15 points * * @param PHPExcel_Style_Font $font The workbooks default font * @return float Row height in points */ public static function getDefaultRowHeightByFont(PHPExcel_Style_Font $font) { switch ($font->getName()) { case 'Arial': switch ($font->getSize()) { case 10: // inspection of Arial 10 workbook says 12.75pt ~17px $rowHeight = 12.75; break;
case 9: // inspection of Arial 9 workbook says 12.00pt ~16px $rowHeight = 12; break;
case 8: // inspection of Arial 8 workbook says 11.25pt ~15px $rowHeight = 11.25; break;
case 7: // inspection of Arial 7 workbook says 9.00pt ~12px $rowHeight = 9; break;
case 6: case 5: // inspection of Arial 5,6 workbook says 8.25pt ~11px $rowHeight = 8.25; break;
case 4: // inspection of Arial 4 workbook says 6.75pt ~9px $rowHeight = 6.75; break;
case 3: // inspection of Arial 3 workbook says 6.00pt ~8px $rowHeight = 6; break;
case 2: case 1: // inspection of Arial 1,2 workbook says 5.25pt ~7px $rowHeight = 5.25; break;
default: // use Arial 10 workbook as an approximation, extrapolation $rowHeight = 12.75 * $font->getSize() / 10; break; } break;
case 'Calibri': switch ($font->getSize()) { case 11: // inspection of Calibri 11 workbook says 15.00pt ~20px $rowHeight = 15; break;
case 10: // inspection of Calibri 10 workbook says 12.75pt ~17px $rowHeight = 12.75; break;
case 9: // inspection of Calibri 9 workbook says 12.00pt ~16px $rowHeight = 12; break;
case 8: // inspection of Calibri 8 workbook says 11.25pt ~15px $rowHeight = 11.25; break;
case 7: // inspection of Calibri 7 workbook says 9.00pt ~12px $rowHeight = 9; break;
case 6: case 5: // inspection of Calibri 5,6 workbook says 8.25pt ~11px $rowHeight = 8.25; break;
case 4: // inspection of Calibri 4 workbook says 6.75pt ~9px $rowHeight = 6.75; break;
case 3: // inspection of Calibri 3 workbook says 6.00pt ~8px $rowHeight = 6.00; break;
case 2: case 1: // inspection of Calibri 1,2 workbook says 5.25pt ~7px $rowHeight = 5.25; break;
default: // use Calibri 11 workbook as an approximation, extrapolation $rowHeight = 15 * $font->getSize() / 11; break; } break;
case 'Verdana': switch ($font->getSize()) { case 10: // inspection of Verdana 10 workbook says 12.75pt ~17px $rowHeight = 12.75; break;
case 9: // inspection of Verdana 9 workbook says 11.25pt ~15px $rowHeight = 11.25; break;
case 8: // inspection of Verdana 8 workbook says 10.50pt ~14px $rowHeight = 10.50; break;
case 7: // inspection of Verdana 7 workbook says 9.00pt ~12px $rowHeight = 9.00; break;
case 6: case 5: // inspection of Verdana 5,6 workbook says 8.25pt ~11px $rowHeight = 8.25; break;
case 4: // inspection of Verdana 4 workbook says 6.75pt ~9px $rowHeight = 6.75; break;
case 3: // inspection of Verdana 3 workbook says 6.00pt ~8px $rowHeight = 6; break;
case 2: case 1: // inspection of Verdana 1,2 workbook says 5.25pt ~7px $rowHeight = 5.25; break;
default: // use Verdana 10 workbook as an approximation, extrapolation $rowHeight = 12.75 * $font->getSize() / 10; break; } break;
default: // just use Calibri as an approximation $rowHeight = 15 * $font->getSize() / 11; break; }
return $rowHeight; }
}
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