Neos\Media\Domain\Model\Adjustment\ResizeImageAdjustment::resize PHP Метод

    protected function resize(ImagineImageInterface $image, $mode = ImageInterface::RATIOMODE_INSET, $filter = ImagineImageInterface::FILTER_UNDEFINED)
    {
        if ($mode !== ImageInterface::RATIOMODE_INSET && $mode !== ImageInterface::RATIOMODE_OUTBOUND) {
            throw new \InvalidArgumentException('Invalid mode specified');
        }
        $imageSize = $image->getSize();
        $requestedDimensions = $this->calculateDimensions($imageSize);
        $resizedImage = $image->copy();
        $resizedImage->usePalette($image->palette());
        $resizedImage->strip();
        $resizeDimensions = $requestedDimensions;
        if ($mode === ImageInterface::RATIOMODE_OUTBOUND) {
            $resizeDimensions = $this->calculateOutboundScalingDimensions($imageSize, $requestedDimensions);
        }
        $resizedImage->resize($resizeDimensions, $filter);
        if ($mode === ImageInterface::RATIOMODE_OUTBOUND) {
            $resizedImage->crop(new Point(max(0, round(($resizeDimensions->getWidth() - $requestedDimensions->getWidth()) / 2)), max(0, round(($resizeDimensions->getHeight() - $requestedDimensions->getHeight()) / 2))), $requestedDimensions);
        }
        return $resizedImage;
    }