/**
* @return PointSet
*/
public function produce()
{
$result = new PointSet();
foreach ($this->lowerLeft->forXTimes($this->width) as $x) {
foreach ($this->lowerLeft->forYTimes($this->height) as $y) {
$point = new Point($x, $y);
$value = $this->getValue($point);
$result->attach($point, $value);
}
}
return $result;
}
/**
* @return PointSet
*/
public function produce()
{
$result = new PointSet();
foreach ($this->lowerLeft->forXUpTo($this->upperRight) as $x) {
foreach ($this->lowerLeft->forYUpTo($this->upperRight) as $y) {
$point = new Point($x, $y);
$value = $this->getValue($point);
$result->attach($point, $value);
}
}
return $result;
}
public function test_diff()
{
$a = new PointSet([new Point(1, 1), new Point(2, 2), new Point(3, 3)]);
$b = new PointSet([new Point(3, 1), new Point(2, 2), new Point(1, 3)]);
$r = $a->diff($b);
static::assertEquals(3, $a->count());
static::assertEquals(3, $b->count());
static::assertEquals(2, $r->count());
static::assertNotSame($r, $a);
static::assertNotSame($r, $b);
static::assertTrue($r->contains(new Point(1, 1)));
static::assertTrue($r->contains(new Point(3, 3)));
}
/**
* @param PointSet $result
* @param Point $point
*/
private function addPoint(PointSet $result, Point $point)
{
$value = $this->getValue($point);
$result->attach($point, $value);
}