/**
* Run a test, send multiple generated colors through the $this->textColor() method
*
* Tests the integrety of the property update system in the color class
*
* @param object $color Color object
* @param integer $strength lower the number, the more colors generated thus more powerful test
* @param boolean $test_order see $this->textColor()
* @see $this->textColor()
* @return array test results
*/
public function test(Color $color, $strength = 20, $test_order = false)
{
set_time_limit(600);
$pass = $fail = 0;
$errors = array();
for ($r = 0; $r <= 255; $r = $r + $strength) {
for ($g = 0; $g <= 255; $g = $g + $strength) {
for ($b = 0; $b <= 255; $b = $b + $strength) {
$color = Color::create(array('red' => $r, 'green' => $g, 'blue' => $b));
$result = $this->textColor($color, $test_order);
if (true === $result) {
$pass++;
} else {
$fail++;
$errors[] = $result;
}
}
}
}
return array('passes' => $pass, 'fails' => $fail, 'errors' => $errors);
}
echo 'color is dark: ' . var_export($color8->isDark(), true);
echo '</p>';
$color8->lighten(60);
$color8->dump();
echo '<p>';
echo 'color is light: ' . var_export($color8->isLight(), true);
echo '<br>';
echo 'color is dark: ' . var_export($color8->isDark(), true);
echo '</p>';
$color9 = $color8->copy()->getComplementary();
echo '<p>complementary</p>';
$color9->dump();
echo '<p>CSS Gradient</p>';
print_r($color9->getCssGradient());
echo '<h2>Using color formatter</h2>';
$color10 = Color::load('rgba(20, 40, 200, 0.8);');
$color10->dump();
echo 'HSL: ' . $color10->getHslaString() . '<br>';
$color11 = Color::load('#ccc');
$color11->dump();
echo 'RGB: ' . $color11->getRgbString();
?>
</section>
</div>
</body>
</html>
/**
* Loads a color object from a hsl or hsla string
*
* @param object $color Color object
* @param mixed
* @return object Color object
*/
public function loadHslString(Color $color, $subject)
{
$subject = trim($subject);
$subject = str_replace(array('hsla', 'hsl', '(', ')', ';', ' '), '', $subject);
$hslnum = explode(',', $subject);
if (count($hslnum) !== 3 && count($hslnum) !== 4) {
return false;
}
foreach ($hslnum as &$val) {
$val = floatval(trim($val));
}
$hsl = array('hue' => $hslnum[0], 'saturation' => $hslnum[1], 'lightness' => $hslnum[2]);
if (isset($hslnum[3])) {
$hsl['alpha'] = $hslnum[3];
}
$color->bulkUpdate($hsl);
return $color;
}
protected function getRandomColor($username)
{
$hash = md5($username . $this->salt++);
$hex = substr($hash, -6);
return Color::create(compact('hex'));
}
