/**
* @param HtmlColor|string|null $color
* @param float $opacity
*
* @return $this
* @throws \Exception
*/
public function setColor($color, $opacity = 1.0)
{
if (null === $color) {
$this->color = null;
$this->opacity = 0.0;
} elseif ($color instanceof HtmlColor) {
$this->color = $color;
$this->opacity = (double) $opacity;
} elseif (is_string($color)) {
if (preg_match(HtmlColor::PATTERN_HEX, $color, $matches)) {
$this->color = HtmlColor::byHex($color);
$this->opacity = (double) $opacity;
} elseif (preg_match(HtmlColor::PATTERN_RGB, $color, $matches)) {
$this->color = HtmlColor::rgb((int) $matches[1], (int) $matches[2], (int) $matches[3]);
$this->opacity = (double) $opacity;
} elseif (preg_match(HtmlColor::PATTERN_RGBA, $color, $matches)) {
$this->color = HtmlColor::rgb((int) $matches[1], (int) $matches[2], (int) $matches[3]);
$this->opacity = (double) $matches[4];
} else {
$this->color = HtmlColor::byName($color);
$this->opacity = (double) $opacity;
}
} else {
throw new InvalidArgumentException('invalid color: ' . get_class($color));
}
return $this;
}
/**
*/
public function testByName()
{
$this->assertSame('black', HtmlColor::byName('black')->__toString());
$this->assertSame('green', HtmlColor::byName('green')->__toString());
}
