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<?php |
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namespace AmaTeam\Image\Projection\Conversion\Processor\FXAA; |
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use AmaTeam\Image\Projection\API\Image\ImageInterface; |
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class ColorGrid |
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{ |
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/** |
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* @var int |
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*/ |
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public $center; |
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/** |
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* @var int |
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*/ |
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public $north; |
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/** |
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* @var int |
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*/ |
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public $northEast; |
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/** |
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* @var int |
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*/ |
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public $east; |
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/** |
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* @var int |
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*/ |
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public $southEast; |
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/** |
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* @var int |
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*/ |
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public $south; |
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/** |
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* @var int |
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*/ |
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public $southWest; |
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/** |
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* @var int |
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*/ |
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public $west; |
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/** |
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* @var int |
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*/ |
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public $northWest; |
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/** |
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* @param ImageInterface $image |
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* @param int $x |
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* @param int $y |
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*/ |
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public function fill(ImageInterface $image, $x, $y) |
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{ |
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$width = $image->getWidth(); |
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$height = $image->getHeight(); |
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$nextX = $x === $width - 1 ? $x : $x + 1; |
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$prevX = $x === 0 ? 0 : $x - 1; |
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$nextY = $y === $height - 1 ? $y : $y + 1; |
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$prevY = $y === 0 ? 0 : $y - 1; |
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$this->center = $image->getColorAt($x, $y); |
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$this->north = $image->getColorAt($x, $prevY); |
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$this->northEast = $image->getColorAt($nextX, $prevY); |
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$this->east = $image->getColorAt($nextX, $y); |
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$this->southEast = $image->getColorAt($nextX, $nextY); |
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$this->south = $image->getColorAt($x, $nextY); |
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$this->southWest = $image->getColorAt($prevX, $nextY); |
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$this->west = $image->getColorAt($prevX, $y); |
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$this->northWest = $image->getColorAt($prevX, $prevY); |
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} |
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public static function fromArray(array $values) |
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{ |
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$grid = new ColorGrid(); |
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$map = [ |
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'northWest', 'north', 'northEast', |
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'west', 'center', 'east', |
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'southWest', 'south', 'southEast' |
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]; |
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foreach ($map as $position => $property) { |
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$grid->$property = $values[$position]; |
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} |
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return $grid; |
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} |
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} |
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ama-team /
php-projection-framework
