/**
* get hex codes for each stage
* @param int $stageCount number of stages
* @return array array of hex codes, one for each stage
*/
public function getWorkflowStageColors($stageCount, $getShaded = false)
{
$color1 = $this->colors['first'];
$color2 = $this->colors['last'];
$startingRgb = X2Color::hex2rgb2($color1);
$endingRgb = X2Color::hex2rgb2($color2);
$rgbDifference = array($endingRgb[0] - $startingRgb[0], $endingRgb[1] - $startingRgb[1], $endingRgb[2] - $startingRgb[2]);
if ($stageCount === 1) {
$rgbSteps = array(0, 0, 0);
} else {
$steps = $stageCount - 1;
// 1 step for each stage other than the first
$rgbSteps = array($rgbDifference[0] / $steps, $rgbDifference[1] / $steps, $rgbDifference[2] / $steps);
}
$colors = array();
for ($i = 0; $i < $stageCount; $i++) {
$colors[] = X2Color::rgb2hex2($startingRgb[0] + $rgbSteps[0] * $i, $startingRgb[1] + $rgbSteps[1] * $i, $startingRgb[2] + $rgbSteps[2] * $i);
if ($getShaded) {
$colors[$i] = array($colors[$i]);
$colors[$i][] = X2Color::rgb2hex2(array_map(function ($a) {
return $a > 255 ? 255 : $a;
}, array(0.93 * ($startingRgb[0] + $rgbSteps[0] * $i), 0.93 * ($startingRgb[1] + $rgbSteps[1] * $i), 0.93 * ($startingRgb[2] + $rgbSteps[2] * $i))));
}
}
return $colors;
}
