Viewing file: Font.class.php (4.32 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Class with Font related methods. * * @package PhpMyAdmin */ if (! defined('PHPMYADMIN')) { exit; }
/** * Class with Font related methods. * * @package PhpMyAdmin */ class PMA_Font { /** * Get list with characters and the corresponding width modifiers. * * @param string $font name of the font like Arial,sans-serif etc * * @return array with characters and corresponding width modifier * @access public */ public static function getCharLists($font) { // list of characters and their width modifiers $charLists = array();
//ijl $charLists[] = array("chars" => array("i", "j", "l"), "modifier" => 0.23); //f $charLists[] = array("chars" => array("f"), "modifier" => 0.27); //tI $charLists[] = array("chars" => array("t", "I"), "modifier" => 0.28); //r $charLists[] = array("chars" => array("r"), "modifier" => 0.34); //1 $charLists[] = array("chars" => array("1"), "modifier" => 0.49); //cksvxyzJ $charLists[] = array( "chars" => array("c", "k", "s", "v", "x", "y", "z", "J"), "modifier" => 0.5 ); //abdeghnopquL023456789 $charLists[] = array( "chars" => array( "a", "b", "d", "e", "g", "h", "n", "o", "p", "q", "u", "L", "0", "2", "3", "4", "5", "6", "7", "8", "9" ), "modifier" => 0.56 ); //FTZ $charLists[] = array("chars" => array("F", "T", "Z"), "modifier" => 0.61); //ABEKPSVXY $charLists[] = array( "chars" => array("A", "B", "E", "K", "P", "S", "V", "X", "Y"), "modifier" => 0.67 ); //wCDHNRU $charLists[] = array( "chars" => array("w", "C", "D", "H", "N", "R", "U"), "modifier" => 0.73 ); //GOQ $charLists[] = array("chars" => array("G", "O", "Q"), "modifier" => 0.78); //mM $charLists[] = array("chars" => array("m", "M"), "modifier" => 0.84); //W $charLists[] = array("chars" => array("W"), "modifier" => 0.95); //" " $charLists[] = array("chars" => array(" "), "modifier" => 0.28);
return $charLists; }
/** * Get width of string/text * * The text element width is calculated depending on font name * and font size. * * @param string $text string of which the width will be calculated * @param string $font name of the font like Arial,sans-serif etc * @param integer $fontSize size of font * @param array $charLists list of characters and their width modifiers * * @return integer width of the text * @access public */ public static function getStringWidth($text, $font, $fontSize, $charLists = null) { if (empty($charLists) || !is_array($charLists) || !isset($charLists[0]["chars"]) || !is_array($charLists[0]["chars"]) || !isset($charLists[0]["modifier"]) ) { $charLists = self::getCharLists($font); }
/* * Start by counting the width, giving each character a modifying value */ $count = 0;
foreach ($charLists as $charList) { $count += ((strlen($text) - strlen(str_replace($charList["chars"], "", $text)) ) * $charList["modifier"]); }
$text = str_replace(" ", "", $text);//remove the " "'s //all other chars $count = $count + (strlen(preg_replace("/[a-z0-9]/i", "", $text)) * 0.3);
$modifier = 1; $font = strtolower($font); switch ($font) { /* * no modifier for arial and sans-serif */ case 'arial': case 'sans-serif': break; /* * .92 modifer for time, serif, brushscriptstd, and californian fb */ case 'times': case 'serif': case 'brushscriptstd': case 'californian fb': $modifier = .92; break; /* * 1.23 modifier for broadway */ case 'broadway': $modifier = 1.23; break; } $textWidth = $count*$fontSize; return ceil($textWidth*$modifier); } } ?>
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