League\Glide\Manipulators\Contrast

Complexity

Total Complexity

6

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getContrast()	0	12	4
A	run()	0	10	2

<?php

namespace League\Glide\Manipulators;

use Intervention\Image\Image;

/**
 * @property string $con
 */
class Contrast extends BaseManipulator
{
    /**
     * Perform contrast image manipulation.
     * @param  Image $image The source image.
     * @return Image The manipulated image.
     */
    public function run(Image $image)
    {
        $contrast = $this->getContrast();

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

        return $image;
    }

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

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

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