mirror of https://github.com/MISP/MISP
20 lines
559 B
PHP
20 lines
559 B
PHP
<?php
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App::uses('AppHelper', 'View/Helper');
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// This helper helps determining the brightness of a colour (initially only used for the tagging) in order to decide
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// what text colour to use against the background (black or white)
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class TextColourHelper extends AppHelper {
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public function getTextColour($RGB) {
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$r = hexdec(substr($RGB, 1, 2));
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$g = hexdec(substr($RGB, 3, 2));
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$b = hexdec(substr($RGB, 5, 2));
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$average = ((2 * $r) + $b + (3 * $g))/6;
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if ($average < 128) {
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return 'white';
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} else {
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return 'black';
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}
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}
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}
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?>
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