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Theme v11

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Laurent Destailleur
2019-10-23 20:12:29 +02:00
parent 41303006f3
commit b48f08dd07
4 changed files with 77 additions and 93 deletions
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20
htdocs/core/lib/functions2.lib.php
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@@ -2250,13 +2250,16 @@ function colorValidateHex($color, $allow_white = true)
/**
* Change color to make it less aggressive (ratio is negative) or more aggressive (ratio is positive)
*
* @param string $hex Color in hex ('#AA1122' or 'AA1122' or '#a12' or 'a12')
* @param integer $ratio Default=-50. Note: 0=Component color is unchanged, -100=Component color become 88, +100=Component color become 00 or FF
* @param string $hex Color in hex ('#AA1122' or 'AA1122' or '#a12' or 'a12')
* @param integer $ratio Default=-50. Note: 0=Component color is unchanged, -100=Component color become 88, +100=Component color become 00 or FF
* @param integer $brigthness Default=0. Adjust brightness. -100=Decrease brightness by 100%, +100=Increase of 100%.
* @return string New string of color
* @see colorAdjustBrightness()
*/
function colorAgressiveness($hex, $ratio = -50)
function colorAgressiveness($hex, $ratio = -50, $brightness = 0)
{
if (empty($ratio)) $ratio = 0; // To avoid null
// Steps should be between -255 and 255. Negative = darker, positive = lighter
$ratio = max(-100, min(100, $ratio));
@@ -2282,7 +2285,16 @@ function colorAgressiveness($hex, $ratio = -50)
if ($color > 128) $color -= (($color - 128) * (abs($ratio) / 100));
if ($color < 127) $color += ((128 - $color) * (abs($ratio) / 100));
}
$color = max(0, min(255, $color)); // Adjust color
if ($brightness > 0)
{
$color = ($color * (100 + abs($brightness)) / 100);
}
else
{
$color = ($color * (100 - abs($brightness)) / 100);
}
$color = max(0, min(255, $color)); // Adjust color to stay into valid range
$return .= str_pad(dechex($color), 2, '0', STR_PAD_LEFT); // Make two char hex code
}