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Current File : /var/www/html/geotechnics/api/vendor/league/glide/src/Manipulators/Brightness.php

<?php

namespace League\Glide\Manipulators;

use Intervention\Image\Image;

/**
 * @property string $bri
 */
class Brightness extends BaseManipulator
{
    /**
     * Perform brightness image manipulation.
     * @param  Image $image The source image.
     * @return Image The manipulated image.
     */
    public function run(Image $image)
    {
        $brightness = $this->getBrightness();

        if ($brightness !== null) {
            $image->brightness($brightness);
        }

        return $image;
    }

    /**
     * Resolve brightness amount.
     * @return string The resolved brightness amount.
     */
    public function getBrightness()
    {
        if (!preg_match('/^-*[0-9]+$/', $this->bri)) {
            return;
        }

        if ($this->bri < -100 or $this->bri > 100) {
            return;
        }

        return (int) $this->bri;
    }
}

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