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<?php |
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declare(strict_types=1); |
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namespace Soluble\MediaTools\Video\Info; |
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use Soluble\MediaTools\Common\Math\NumberConversion; |
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use Soluble\MediaTools\Video\Exception\InvalidArgumentException; |
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final class AspectRatio |
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{ |
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public const DEFAULT_PROPORTION_SEPARATOR = ':'; |
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/** @var float */ |
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private $x; |
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/** @var float */ |
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private $y; |
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/** @var string */ |
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private $separator; |
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public function __construct(float $x, float $y, string $separator = self::DEFAULT_PROPORTION_SEPARATOR) |
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{ |
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$this->x = $x; |
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$this->y = $y; |
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$this->separator = $separator; |
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} |
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public function getX(): float |
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{ |
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return $this->x; |
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} |
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public function getY(): float |
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{ |
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return $this->y; |
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} |
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/** |
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* @param string $proportions |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public static function createFromString(string $proportions, string $separator = self::DEFAULT_PROPORTION_SEPARATOR): self |
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{ |
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if (mb_substr_count($proportions, $separator) !== 1) { |
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throw new InvalidArgumentException(sprintf( |
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'Cannot parse given proportions: \'%s\' with separator \'%s\' (missing or multiple occurences)', |
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$proportions, |
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$separator |
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)); |
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} |
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[$x, $y] = explode($separator, $proportions); |
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if (!is_numeric($x) || !is_numeric($y)) { |
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throw new InvalidArgumentException(sprintf( |
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'Cannot parse given proportions: \'%s\', x and y must be valid numerics', |
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$proportions |
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)); |
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} |
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return new self((float) $x, (float) $y); |
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} |
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public function getString(?string $separator = null, ?int $maxDecimals = null): string |
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{ |
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return sprintf( |
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'%s%s%s', |
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$this->getFloatAsString($this->x, $maxDecimals), |
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$separator ?? $this->separator, |
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$this->getFloatAsString($this->y, $maxDecimals) |
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); |
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} |
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public function __toString(): string |
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{ |
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return $this->getString(); |
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} |
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private function getFloatAsString(float $number, ?int $maxDecimals = null): string |
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{ |
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$n = (string) $number; |
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if ($n === (string) ((int) ($number))) { |
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return $n; |
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} |
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if ($maxDecimals === null) { |
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return $n; |
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} |
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return (string) NumberConversion::truncateFloat($number, $maxDecimals); |
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} |
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} |
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soluble-io /
soluble-mediatools
