function testConstruct_FromColorModel_Named()
{
$model = Image_Color2_Model_Named::fromString('teal');
$color = new Image_Color2($model);
$this->assertNotNull($color);
$this->assertEquals(array(0, 128, 128, 'type' => 'rgb'), $color->getRgb());
}
/**
* Construct a color from a string, array, or an instance of
* Image_Color2_Model.
* <code>
* \/\/ from a named string
* $red = new Image_Color2('red');
* print $red->getHex(); \/\/ '#ff0000'
*
* \/\/ from a hex string
* $blue = new Image_Color2('#0000ff');
* print $blue->getHex(); \/\/ '#0000ff'
*
* \/\/ from an array
* $black = new Image_Color2(array(0,0,0));
* print $black->getHex(); \/\/ '#000000'
* </code>
*
* @param array|string|Image_Color2_Model $src specifying a color.
* Non-RGB arrays should include the type element to specify a
* color model. Strings will be interpreted as hex if they
* begin with a #, otherwise they'll be treated as named colors.
*
* @throws PEAR_Exception if the color cannot be loaded.
* @uses createModelReflectionMethod() If the color is non-RGB the
* function is used to construct an Image_Color2_Model for
* conversion.
*/
public function __construct($src)
{
if (is_array($src)) {
// check if a type parameter was offered up.
$type = isset($src['type']) ? $src['type'] : '';
// type needs to be a proper case to match the class name.
$type = ucwords($type);
if (!$type || $type == 'Rgb') {
$src['type'] = 'rgb';
$this->model = null;
$this->rgb = $src;
} else {
$method = self::createModelReflectionMethod($type, 'fromArray');
$this->model = $method->invoke(null, $src);
}
} else {
if (is_string($src)) {
if ('#' == substr($src, 0, 1)) {
$this->model = Image_Color2_Model_Hex::fromString($src);
} else {
$this->model = Image_Color2_Model_Named::fromString($src);
}
} else {
if ($src instanceof Image_Color2_Model) {
$this->model = $src;
}
}
}
// at this point we either have a model, an rgb value, or a problem.
if (!is_null($this->model)) {
$this->rgb = $this->model->getRgb();
}
if (is_null($this->rgb)) {
throw new PEAR_Exception('Invalid color definition.');
}
}
function testGetString()
{
$model = Image_Color2_Model_Named::fromString('black');
$this->assertEquals('black', $model->getString());
}
