public function testEquals()
{
$line = new Line(new Coordinate(0, 0), new Coordinate(100, 100));
$clone = clone $line;
$this->assertTrue($line->equals($clone));
$clone->getStart()->move(10, 10);
$this->assertFalse($line->equals($clone));
$clone->getStart()->move(0, 0);
$clone->getEnd()->move(50, 50);
$this->assertFalse($line->equals($clone));
$clone->getEnd()->move(100, 100);
$clone->getColor()->setRed(255);
$this->assertFalse($line->equals($clone));
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$line = new Line();
$line->setColor($this->getColor());
for ($x = 1; $x <= $width; $x += $this->getSize()) {
$line->getStart()->move($x, 0);
$line->getEnd()->move($x, $height);
$line->draw($canvas);
}
for ($y = 1; $y <= $height; $y += $this->getSize()) {
$line->getStart()->move(0, $y);
$line->getEnd()->move($width, $y);
$line->draw($canvas);
}
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$c1 = clone $this->getFirstColor();
$c2 = clone $this->getSecondColor();
$line = new Line();
$width = $canvas->getWidth();
$height = $canvas->getHeight();
for ($i = 0; $i < $this->getWidth(); $i++) {
$alpha = round($i / $this->getWidth() * 127);
$c1->setAlpha($alpha);
$c2->setAlpha($alpha);
$line->setStart(new Coordinate($i, $i + 1))->setEnd(new Coordinate($i, $height - $i - 1))->setColor($c1)->draw($canvas)->setStart(new Coordinate($i, $i))->setEnd(new Coordinate($width - $i, $i))->draw($canvas)->setStart(new Coordinate($width - $i, $height - $i - 1))->setEnd(new Coordinate($width - $i, $i + 1))->setColor($c2)->draw($canvas)->setStart(new Coordinate($width - $i, $height - $i - 1))->setEnd(new Coordinate($i, $height - $i))->draw($canvas);
}
}
