/home/kueuepay/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/ChartColor.php
<?php

namespace PhpOffice\PhpSpreadsheet\Chart;

class ChartColor
{
    const EXCEL_COLOR_TYPE_STANDARD = 'prstClr';
    const EXCEL_COLOR_TYPE_SCHEME = 'schemeClr';
    const EXCEL_COLOR_TYPE_RGB = 'srgbClr';
    /** @deprecated 1.24 use EXCEL_COLOR_TYPE_RGB instead */
    const EXCEL_COLOR_TYPE_ARGB = 'srgbClr';
    const EXCEL_COLOR_TYPES = [
        self::EXCEL_COLOR_TYPE_ARGB,
        self::EXCEL_COLOR_TYPE_SCHEME,
        self::EXCEL_COLOR_TYPE_STANDARD,
    ];

    /** @var string */
    private $value = '';

    /** @var string */
    private $type = '';

    /** @var ?int */
    private $alpha;

    /** @var ?int */
    private $brightness;

    /**
     * @param string|string[] $value
     */
    public function __construct($value = '', ?int $alpha = null, ?string $type = null, ?int $brightness = null)
    {
        if (is_array($value)) {
            $this->setColorPropertiesArray($value);
        } else {
            $this->setColorProperties($value, $alpha, $type, $brightness);
        }
    }

    public function getValue(): string
    {
        return $this->value;
    }

    public function setValue(string $value): self
    {
        $this->value = $value;

        return $this;
    }

    public function getType(): string
    {
        return $this->type;
    }

    public function setType(string $type): self
    {
        $this->type = $type;

        return $this;
    }

    public function getAlpha(): ?int
    {
        return $this->alpha;
    }

    public function setAlpha(?int $alpha): self
    {
        $this->alpha = $alpha;

        return $this;
    }

    public function getBrightness(): ?int
    {
        return $this->brightness;
    }

    public function setBrightness(?int $brightness): self
    {
        $this->brightness = $brightness;

        return $this;
    }

    /**
     * @param null|float|int|string $alpha
     * @param null|float|int|string $brightness
     */
    public function setColorProperties(?string $color, $alpha = null, ?string $type = null, $brightness = null): self
    {
        if (empty($type) && !empty($color)) {
            if (substr($color, 0, 1) === '*') {
                $type = 'schemeClr';
                $color = substr($color, 1);
            } elseif (substr($color, 0, 1) === '/') {
                $type = 'prstClr';
                $color = substr($color, 1);
            } elseif (preg_match('/^[0-9A-Fa-f]{6}$/', $color) === 1) {
                $type = 'srgbClr';
            }
        }
        if ($color !== null) {
            $this->setValue("$color");
        }
        if ($type !== null) {
            $this->setType($type);
        }
        if ($alpha === null) {
            $this->setAlpha(null);
        } elseif (is_numeric($alpha)) {
            $this->setAlpha((int) $alpha);
        }
        if ($brightness === null) {
            $this->setBrightness(null);
        } elseif (is_numeric($brightness)) {
            $this->setBrightness((int) $brightness);
        }

        return $this;
    }

    public function setColorPropertiesArray(array $color): self
    {
        return $this->setColorProperties(
            $color['value'] ?? '',
            $color['alpha'] ?? null,
            $color['type'] ?? null,
            $color['brightness'] ?? null
        );
    }

    public function isUsable(): bool
    {
        return $this->type !== '' && $this->value !== '';
    }

    /**
     * Get Color Property.
     *
     * @param string $propertyName
     *
     * @return null|int|string
     */
    public function getColorProperty($propertyName)
    {
        $retVal = null;
        if ($propertyName === 'value') {
            $retVal = $this->value;
        } elseif ($propertyName === 'type') {
            $retVal = $this->type;
        } elseif ($propertyName === 'alpha') {
            $retVal = $this->alpha;
        } elseif ($propertyName === 'brightness') {
            $retVal = $this->brightness;
        }

        return $retVal;
    }

    public static function alphaToXml(int $alpha): string
    {
        return (string) (100 - $alpha) . '000';
    }

    /**
     * @param float|int|string $alpha
     */
    public static function alphaFromXml($alpha): int
    {
        return 100 - ((int) $alpha / 1000);
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.