/**
*
* @param ILess_Node_Color $color1 The first color
* @param ILess_Node_Color $color2 The second color
*/
public function screen(ILess_Node_Color $color1, ILess_Node_Color $color2)
{
/*
$rs1 = ILess_Math::substract('255', $color1->getRed(true));
$rs2 = ILess_Math::substract('255', $color2->getRed(true));
$r = ILess_Math::substract('255', ILess_Math::divide(ILess_Math::multiply($rs1, $rs2), '255'));
$rs1 = ILess_Math::substract('255', $color1->getGreen(true));
$rs2 = ILess_Math::substract('255', $color2->getGreen(true));
$g = ILess_Math::substract('255', ILess_Math::divide(ILess_Math::multiply($rs1, $rs2), '255'));
$rs1 = ILess_Math::substract('255', $color1->getBlue(true));
$rs2 = ILess_Math::substract('255', $color2->getBlue(true));
$b = ILess_Math::substract('255', ILess_Math::divide(ILess_Math::multiply($rs1, $rs2), '255'));
*/
// Formula: Result Color = 255 - [((255 - Top Color)*(255 - Bottom Color))/255]
// $b = 255 - (255 - $color1->getBlue(true)) * (255 - $color2->getBlue(true)) / 255;
$r = 255 - (255 - $color1->getRed(true)) * (255 - $color2->getRed(true)) / 255;
$g = 255 - (255 - $color1->getGreen(true)) * (255 - $color2->getGreen(true)) / 255;
$b = 255 - (255 - $color1->getBlue(true)) * (255 - $color2->getBlue(true)) / 255;
return $this->rgb($r, $g, $b);
}
/**
* @covers getGreen
*/
public function testGetGreen()
{
$color = new ILess_Node_Color('#00ddff');
$this->assertInstanceOf('ILess_Node_Dimension', $color->getGreen());
$this->assertEquals('221', (string) $color->getGreen());
}
