YetiForceCompany/YetiForcePDF

<?php

declare(strict_types=1);
/**
 * ImageBox class.
 *
 * @package   YetiForcePDF\Layout
 *
 * @copyright YetiForce Sp. z o.o
 * @license   MIT
 * @author    Rafal Pospiech <r.pospiech@yetiforce.com>
 */

namespace YetiForcePDF\Layout;

use YetiForcePDF\Math;

/**
 * Class ImageBox.
 */
class ImageBox extends InlineBlockBox
{
    /**
     * Measure width.
     *
     * @param bool $afterPageDividing
     *
     * @return $this
     */
    public function measureWidth(bool $afterPageDividing = false)
    {
        $style = $this->getStyle();
        if ('auto' === $style->getRules('width')) {
            $img = $style->getBackgroundImageStream();
            $width = $img->getWidth();
            if (Math::comp($width, $this->getParent()->getDimensions()->computeAvailableSpace()) > 0) {
                $width = $this->getParent()->getDimensions()->computeAvailableSpace();
            }
            if ('auto' !== $style->getRules('height')) {
                Math::setAccurate(true);
                $ratio = $img->getRatio();
                $width = Math::mul($ratio, $this->getDimensions()->getStyleHeight());
                Math::setAccurate(false);
            }
            $width = Math::add($width, $style->getHorizontalBordersWidth(), $style->getHorizontalPaddingsWidth());
            $this->getDimensions()->setWidth($width);
        } else {
            $this->applyStyleWidth();
        }
        return $this;
    }

    /**
     * Measure height.
     *
     * @param bool $afterPageDividing
     *
     * @return $this
     */
    public function measureHeight(bool $afterPageDividing = false)
    {
        $style = $this->getStyle();
        $img = $style->getBackgroundImageStream();
        Math::setAccurate(true);
        $ratio = $img->getRatio();
        $height = Math::div($this->getDimensions()->getInnerWidth(), $ratio);
        Math::setAccurate(false);
        $height = Math::add($height, $style->getVerticalBordersWidth(), $style->getVerticalPaddingsWidth());
        $this->getDimensions()->setHeight($height);
        return $this;
    }
}