Imagecow\Utils\Dimmensions

Complexity

Total Complexity

34

Size/Duplication

Total Lines	164
Duplicated Lines	14.63 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	6
Bugs	2	Features	1

5 Methods

Rating	Name	Duplication	Size	Complexity
C	getResizeDimmensions()	24	41	14
A	getIntegerValue()	0	12	4
B	getPercentageValue()	0	16	6
A	getPositionValue()	0	11	2
B	getPositionFromReferenceValue()	0	20	8

<?php

namespace Imagecow\Utils;

use Imagecow\ImageException;

/**
 * Usefull dimmensions calculations.
 */
class Dimmensions
{
    protected static $positionsKeywords = [
        'top' => '0%',
        'left' => '0%',
        'middle' => '50%',
        'center' => '50%',
        'right' => '100%',
        'bottom' => '100%',
    ];

    /**
     * Calculate the dimensions of a resize.
     *
     * @param int  $oldWidth
     * @param int  $oldHeight
     * @param int  $newWidth
     * @param int  $newHeight
     * @param bool $cover
     *
     * @return array [width, height]
     */
    public static function getResizeDimmensions($oldWidth, $oldHeight, $newWidth, $newHeight, $cover = false)
    {
        if (empty($newHeight)) {

This code seems to be duplicated across your project.

            return [(int) $newWidth, (int) ceil(($newWidth / $oldWidth) * $oldHeight)];
        }

        if (empty($newWidth)) {

This code seems to be duplicated across your project.

            return [(int) ceil(($newHeight / $oldHeight) * $oldWidth), (int) $newHeight];
        }

        $scaleWidth = $newWidth / $oldWidth;
        $scaleHeight = $newHeight / $oldHeight;

        if ($cover) {
            if ($scaleWidth > $scaleHeight) {

This code seems to be duplicated across your project.

                return [(int) $newWidth, (int) ceil($scaleWidth * $oldHeight)];
            }

            if ($scaleWidth < $scaleHeight) {

This code seems to be duplicated across your project.

                return [(int) ceil($scaleHeight * $oldWidth), (int) $newHeight];
            }
        } else {
            if ($scaleWidth < $scaleHeight) {

This code seems to be duplicated across your project.

                return [(int) $newWidth, (int) ceil($scaleWidth * $oldHeight)];
            }

            if ($scaleWidth > $scaleHeight) {

This code seems to be duplicated across your project.

                return [(int) ceil($scaleHeight * $oldWidth), (int) $newHeight];
            }
        }

        if ($scaleWidth < $scaleHeight || ($cover && $scaleWidth > $scaleHeight)) {

This code seems to be duplicated across your project.

            return [(int) $newWidth, (int) ceil($scaleWidth * $oldHeight)];
        }

        if ($scaleWidth > $scaleHeight || ($cover && $scaleWidth < $scaleHeight)) {

This code seems to be duplicated across your project.

            return [(int) ceil($scaleHeight * $oldWidth), (int) $newHeight];
        }

        return [(int) $newWidth, (int) $newHeight];
    }

    /**
     * Calculate a dimension value.
     *
     * @param int|string $value
     * @param int        $relatedValue
     * @param bool       $position
     *
     * @return int
     */
    public static function getIntegerValue($value, $relatedValue, $position = false)
    {
        if ($position && isset(static::$positionsKeywords[$value])) {
            $value = static::$positionsKeywords[$value];
        }

        if (substr($value, -1) === '%') {
            return intval(($relatedValue / 100) * floatval(substr($value, 0, -1)));
        }

        return intval($value);
    }

    /**
     * Calculate a dimension value.
     *
     * @param int|string $value
     * @param int        $relatedValue
     * @param bool       $position
     *
     * @return string
     */
    public static function getPercentageValue($value, $relatedValue, $position = false)
    {
        if ($position && isset(static::$positionsKeywords[$value])) {
            return static::$positionsKeywords[$value];
        }

        if (substr($value, -1) === '%') {
            return $value;
        }

        if (is_numeric($value)) {
            return empty($value) ? '0%' : (($value / $relatedValue) * 100).'%';
        }

        throw new ImageException("Invalid position: {$value}");
    }

    /**
     * Calculates the x/y position.
     *
     * @param string|int|null $position
     * @param int             $newValue
     * @param int             $oldValue
     *
     * @return int
     */
    public static function getPositionValue($position, $newValue, $oldValue)
    {
        if (is_numeric($position)) {
            return intval($position);
        }

        $newCenter = static::getIntegerValue($position, $newValue, true);
        $oldCenter = static::getIntegerValue($position, $oldValue, true);

        return $oldCenter - $newCenter;
    }

    /**
     * Calculates the x/y position.
     *
     * @param string|int|null $position
     * @param int             $original
     * @param int             $reference
     * @param int             $padding
     *
     * @return int
     */
    public static function getPositionFromReferenceValue($position, $original, $reference, $padding = 0)
    {
        if (is_numeric($position)) {
            $value = intval($position);
        } else {
            $value = static::getIntegerValue($position, $original, true);
        }

        $padding = static::getIntegerValue($padding, $original, true);

        if (($position === 'top') || ($position === 'left')) {
            $value = $padding;
        } elseif (($position === 'bottom') || ($position === 'right')) {
            $value -= $reference + $padding;
        } elseif (($position === 'middle') || ($position === 'center')) {
            $value = ($original / 2) - ($reference / 2);
        }

        return $value;
    }
}