/**
* @param \DarkLuk42\BoundingBox $bb area to check for cropping
* @param \DarkLuk42\Color $color color to be cropped
* @param bool $cropTransparent if colors with alpha on invisible should be cropped too
*
* @return \DarkLuk42\BoundingBox area to be cropped
*/
public function cropRightByColor(BoundingBox $bb, Color $color, $cropTransparent = true)
{
$binaryColor = $color->toBinary();
// right to left
for ($x = $bb->getRight(); $x >= $bb->getLeft(); $x--) {
for ($y = $bb->getTop(); $y <= $bb->getBottom(); $y++) {
if ($binaryColor != $this->colorAt($x, $y) && (!$cropTransparent || $this->colorAt($x, $y) >> 24 < 127)) {
break 2;
}
}
$bb->setWidthByRight($x);
}
return $bb;
}
public static function containedByBoth(BoundingBox $bb1, BoundingBox $bb2)
{
$left = max($bb1->getLeft(), $bb2->getLeft());
$top = max($bb1->getLeft(), $bb2->getLeft());
$right = min($bb1->getRight(), $bb2->getRight());
$bottom = min($bb1->getBottom(), $bb2->getBottom());
$bb = new self($left, $top, 0, 0);
$bb->setWidthByRight($right);
$bb->setHeightByBottom($bottom);
return $bb;
}