/**
* @covers \Imagine\Filter\Advanced\Grayscale::apply
*
* @dataProvider getDataSet
*
* @param \Imagine\Image\BoxInterface $size
* @param \Imagine\Image\Color $color
* @param \Imagine\Image\Color $filteredColor
*/
public function testGrayscaling(BoxInterface $size, Color $color, Color $filteredColor)
{
$image = $this->getImage();
$imageWidth = $size->getWidth();
$imageHeight = $size->getHeight();
$size = $this->getMock('Imagine\\Image\\BoxInterface');
$size->expects($this->exactly($imageWidth + 1))->method('getWidth')->will($this->returnValue($imageWidth));
$size->expects($this->exactly($imageWidth * ($imageHeight + 1)))->method('getHeight')->will($this->returnValue($imageHeight));
$image->expects($this->any())->method('getSize')->will($this->returnValue($size));
$image->expects($this->exactly($imageWidth * $imageHeight))->method('getColorAt')->will($this->returnValue($color));
$draw = $this->getDrawer();
$draw->expects($this->exactly($imageWidth * $imageHeight))->method('dot')->with($this->isInstanceOf('Imagine\\Image\\Point'), $this->equalTo($filteredColor));
$image->expects($this->exactly($imageWidth * $imageHeight))->method('draw')->will($this->returnValue($draw));
$filter = new Grayscale();
$this->assertSame($image, $filter->apply($image));
}
/**
* {@inheritdoc}
*/
public function load(ImageInterface $image, array $options = array())
{
$filter = new Grayscale();
return $filter->apply($image);
}
