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Remove color gradient

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This commit is contained in:
Dennis Eichhorn 2017-10-30 12:41:36 +01:00
parent ad296d4b04
commit 420a824665
1 changed files with 0 additions and 41 deletions
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41
Utils/ColorUtils.php
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@ -27,47 +27,6 @@ namespace phpOMS\Utils;
class ColorUtils
{
/**
* Creates a 3 point gradient based on a input value.
*
* @param int $value Value to represent by color
* @param int[] $start Gradient start
* @param int[] $stop Gradient stop
* @param int[] $end Gradient end
*
* @return array
*
* @since 1.0.0
*/
public static function getRGBGradient(int $value, array $start, array $stop, array $end) : array
{
$diff = [];
$gradient = [];
if ($value <= $stop[0] && $value < $start[0]) {
$value = $start[0];
} else {
$value = min($value, $end[0]);
$start = $stop;
$stop = $end;
}
$diff[0] = $stop[0] - $start[0];
$diff[1] = $stop[1] - $start[1];
$diff[2] = $stop[2] - $start[2];
$diff[3] = $stop[3] - $start[3];
$gradient['r'] = $start[1] + ($value - $start[0]) / ($diff[0]) * $diff[1];
$gradient['g'] = $start[2] + ($value - $start[0]) / ($diff[0]) * $diff[2];
$gradient['b'] = $start[3] + ($value - $start[0]) / ($diff[0]) * $diff[3];
foreach ($gradient as &$color) {
$color = max(min($color, 255), 0);
}
return $gradient;
}
/**
* Convert int to rgb
*