YetiForceCompany/YetiForcePDF

<?php

declare(strict_types=1);

/**
 * NumericValue class.
 *
 * @copyright YetiForce Sp. z o.o.
 * @license   MIT
 * @author Rafal Pospiech <r.pospiech@yetiforce.com>
 */

namespace YetiForcePDF\Style;

/**
 * Class NumericValue.
 */
class NumericValue
{
    /**
     * Original css value 12px for example.
     *
     * @var string
     */
    private $original;
    /**
     * Numeric string representation of original value (without unit).
     *
     * @var string
     */
    private $value;
    /**
     * Unit of original value for '12px' it will be 'px'.
     *
     * @var string
     */
    private $unit;
    /**
     * Converted to pixel value from other unit (from 'em' for example).
     *
     * @var string
     */
    private $converted = '0';
    /**
     * Is this numeric value for font size?
     *
     * @var bool
     */
    private $isFont;

    /**
     * Initialize numeric value.
     *
     * @param string $value  css value 12px for example
     * @param bool   $isFont
     *
     * @return self
     */
    public function init(string $value, bool $isFont = false)
    {
        $this->original = $value;
        $this->value = \YetiForcePDF\Style\Normalizer\Normalizer::getNumericValue($value);
        $this->unit = \YetiForcePDF\Style\Normalizer\Normalizer::getNumericUnit($value, 'px');
        $this->isFont = $isFont;
        return $this;
    }

    /**
     * Get numeric value out of string value or return original if it's not numeric.
     *
     * @param any|string $value
     * @param Style      $style
     * @param bool       $isFont
     *
     * @return any|NumericValue
     */
    public static function get($value, bool $isFont = false)
    {
        if (!\is_string($value)) {
            return $value;
        }
        if (false !== \YetiForcePDF\Style\Normalizer\Normalizer::getNumericValue($value)) {
            return (new self())->init($value, $isFont);
        }
        return $value;
    }

    /**
     * Get the value of original.
     *
     * @return string
     */
    public function getOriginal(): string
    {
        return $this->original;
    }

    /**
     * Set the value of original.
     *
     * @param string $original
     *
     * @return self
     */
    public function setOriginal(string $original)
    {
        $this->original = $original;

        return $this;
    }

    /**
     * Get the value of value.
     *
     * @return string
     */
    public function getValue(): string
    {
        return $this->value;
    }

    /**
     * Set the value of value.
     *
     * @param string $value
     *
     * @return self
     */
    public function setValue(string $value)
    {
        $this->value = $value;

        return $this;
    }

    /**
     * Get the value of unit.
     *
     * @return string
     */
    public function getUnit(): string
    {
        return $this->unit;
    }

    /**
     * Set the value of unit.
     *
     * @param string $unit
     *
     * @return self
     */
    public function setUnit(string $unit)
    {
        $this->unit = $unit;

        return $this;
    }

    /**
     * Get the value of converted.
     *
     * @return string
     */
    public function getConverted(): string
    {
        return $this->converted;
    }

    /**
     * Set the value of converted.
     *
     * @param string $converted
     *
     * @return self
     */
    public function setConverted(string $converted)
    {
        $this->converted = $converted;

        return $this;
    }

    /**
     * Convert unit.
     *
     * @param Style $style
     *
     * @return self
     */
    public function convert(Style $style)
    {
        $this->converted = $style->convertUnits($this->unit, $this->value, $this->isFont);
        return $this;
    }

    /**
     * Get the value of isFont.
     *
     * @return bool
     */
    public function getIsFont(): bool
    {
        return $this->isFont;
    }

    /**
     * Set the value of isFont.
     *
     * @param bool $isFont
     *
     * @return self
     */
    public function setIsFont(bool $isFont)
    {
        $this->isFont = $isFont;

        return $this;
    }

    public function __toString()
    {
        return $this->converted;
    }
}