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<?php |
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namespace Jackal\ImageMerge\Utils; |
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use Jackal\ImageMerge\Command\Options\MultiCoordinateCommandOption; |
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use Jackal\ImageMerge\ValueObject\Coordinate; |
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class GeometryUtils |
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{ |
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const TOP_LEFT = 0; |
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const TOP_RIGHT = 1; |
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const BOTTOM_RIGHT = 2; |
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const BOTTOM_LEFT = 3; |
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public static function getClockwiseOrder(MultiCoordinateCommandOption $multiCoordinateCommandOption) |
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{ |
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$coords = $multiCoordinateCommandOption->getCoordinates(); |
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$mostTop = self::getTopCoord($coords, 2); |
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$mostBottom = self::getBottomCoord($coords, 2); |
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$topLeft = self::getLeftCoord($mostTop)[0]; |
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$topRight = self::getRightCoord($mostTop)[0]; |
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$bottomLeft = self::getLeftCoord($mostBottom)[0]; |
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$bottomRight = self::getRightCoord($mostBottom)[0]; |
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return new MultiCoordinateCommandOption([ |
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self::TOP_LEFT => $topLeft, |
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self::TOP_RIGHT => $topRight, |
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self::BOTTOM_RIGHT => $bottomRight, |
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self::BOTTOM_LEFT => $bottomLeft, |
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]); |
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} |
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/** |
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* @param $coords |
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* @param int $limit |
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* @return Coordinate[] |
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*/ |
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public static function getLeftCoord($coords, $limit = 1) |
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{ |
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$c = $coords; |
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usort($c, function (Coordinate $coordA, Coordinate $coordB) { |
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if ($coordA->getX() == $coordB->getX()) { |
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return 0; |
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} |
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return ($coordA->getX() >= $coordB->getX()) ? 1 : -1; |
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}); |
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return array_slice($c, 0, $limit); |
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} |
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/** |
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* @param $coords |
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* @param int $limit |
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* @return Coordinate[] |
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*/ |
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public static function getTopCoord($coords, $limit = 1) |
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{ |
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$c = $coords; |
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usort($c, function (Coordinate $coordA, Coordinate $coordB) { |
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if ($coordA->getY() === $coordB->getY()) { |
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return 0; |
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} |
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return ($coordA->getY() >= $coordB->getY()) ? 1 : -1; |
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}); |
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return array_slice($c, 0, $limit); |
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} |
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/** |
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* @param $coords |
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* @param int $limit |
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* @return Coordinate[] |
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*/ |
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public static function getRightCoord($coords, $limit = 1) |
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{ |
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$c = $coords; |
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usort($c, function (Coordinate $coordA, Coordinate $coordB) { |
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if ($coordA->getX() === $coordB->getX()) { |
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return 0; |
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} |
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return ($coordA->getX() >= $coordB->getX()) ? -1 : 1; |
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}); |
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return array_slice($c, 0, $limit); |
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} |
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/** |
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* @param $coords |
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* @param int $limit |
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* @return Coordinate[] |
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*/ |
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public static function getBottomCoord($coords, $limit = 1) |
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{ |
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$c = $coords; |
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usort($c, function (Coordinate $coordA, Coordinate $coordB) { |
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if ($coordA->getY() === $coordB->getY()) { |
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return 0; |
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} |
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return ($coordA->getY() >= $coordB->getY()) ? -1 : 1; |
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}); |
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return array_slice($c, 0, $limit); |
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} |
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public static function calculateCenterCoord($coords) |
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{ |
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$sumX = 0; |
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$sumY = 0; |
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foreach ($coords as $coord) { |
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$sumX += $coord->getX(); |
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$sumY += $coord->getY(); |
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} |
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return new Coordinate( |
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round($sumX / count($coords)), |
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round($sumY / count($coords)) |
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); |
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} |
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} |
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lucajackal85 /
ImageMerge
