Function getBrightness
getBrightness get brightness of a color
Package: qrcode
Copyright: XOOPS Project (http://xoops.org)
License: GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html)
Author: Mage Grégory (AKA Mage)
Located at odules/qrcode/admin/index.php
Copyright: XOOPS Project (http://xoops.org)
License: GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html)
Author: Mage Grégory (AKA Mage)
Located at odules/qrcode/admin/index.php
string |
$color |
24 bit RGB color as hex digit (i.e. 'FFFFFF') |
integer
|
relative brightness of color 1-255001 |