Pageon\Html\Image\FilesizeScaler::getVariations()

Complexity

Conditions	2
Paths	1

Size

Total Lines

23

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

0

<?php
    public function getVariations(ScaleableImage $scaleableImage): array
    {
        $fileSize = $scaleableImage->filesize();
        $width = $scaleableImage->width();

        $ratio = $scaleableImage->height() / $width;
        $area = $width * $width * $ratio;
        $pixelPrice = $fileSize / $area;

        $stepAmount = $fileSize * $this->stepModifier;

        $variations = [];

        do {
            $newWidth = (int) floor(sqrt(($fileSize / $pixelPrice) / $ratio));

            $variations[$newWidth] = $newWidth * $ratio;

            $fileSize -= $stepAmount;
        } while ($fileSize > 0);

        return $variations;
    }
}