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Code Issues Releases Wiki Activity

Moving gradient into ChatUtil

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This commit is contained in:
Tim Düsterhus 2011-12-05 16:53:12 +01:00
parent ac5ef926e3
commit b8c85813b0
2 changed files with 40 additions and 10 deletions
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13
file/lib/data/chat/message/ChatMessage.class.php
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@ -66,18 +66,11 @@ public function getFormattedMessage() {
* @return string * @return string
*/ */
public function getFormattedUsername() { public function getFormattedUsername() {
if ($this->type == self::TYPE_INFORMATION) return '<strong>'.$this->getUsername().'</strong>'; $username = $this->getUsername();
$string = str_split($this->getUsername()); if ($this->type != self::TYPE_INFORMATION) $username = \wcf\util\ChatUtil::gradient($username, $this->color1, $this->color2);
$r = (int) (($this->color1 >> 16 & 255) - ($this->color2 >> 16 & 255)) / (count($string) - 1);
$g = (int) (($this->color1 >> 8 & 255) - ($this->color2 >> 8 & 255)) / (count($string) - 1);
$b = (int) (($this->color1 & 255) - ($this->color2 & 255)) / (count($string) - 1);
$result = '';
for ($i = 0, $max = count($string); $i < $max; $i++) {
$result .= '<span style="color:rgb('.(($this->color1 >> 16 & 255) - $i * $r).', '.(($this->color1 >> 8 & 255) - $i * $g).', '.(($this->color1 & 255) - $i * $b).')">'.$string[$i].'</span>';
}
return '<strong>'.$result.'</strong>'; return '<strong>'.$username.'</strong>';
} }
/** /**

37
file/lib/util/ChatUtil.class.php Normal file
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@ -0,0 +1,37 @@
<?php
namespace \wcf\util;
/**
* Chat utilities
*
* @author Tim Düsterhus
* @copyright 2010-2011 Tim Düsterhus
* @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
* @package timwolla.wcf.chat
* @subpackage util
*/
class ChatUtil {
/**
* Creates a gradient out of two colors represented by an integer.
* The first byte is red, the second byte is green, the third one is blue.
* The numbers can be easily expressed in hexadecimal notation: 0xFF0000 being red.
*
* @param string $string
* @param integer $start
* @param integer $end
* @returen string
*/
public static function gradient($string, $start, $end) {
$string = str_split($string);
$r = (int) ((($start >> 16 & 255) - ($end >> 16 & 255)) / (count($string) - 1));
$g = (int) ((($start >> 8 & 255) - ($end >> 8 & 255)) / (count($string) - 1));
$b = (int) ((($start & 255) - ($end & 255)) / (count($string) - 1));
$result = '';
for ($i = 0, $max = count($string); $i < $max; $i++) {
$result .= '<span style="color:rgb('.(($start >> 16 & 255) - $i * $r).','.(($start >> 8 & 255) - $i * $g).','.(($start & 255) - $i * $b).')">'.$string[$i].'</span>';
}
return $result;
}
}