<?php
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namespace PhpOffice\PhpSpreadsheet\Chart;
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class ChartColor
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{
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const EXCEL_COLOR_TYPE_STANDARD = 'prstClr';
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const EXCEL_COLOR_TYPE_SCHEME = 'schemeClr';
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const EXCEL_COLOR_TYPE_RGB = 'srgbClr';
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const EXCEL_COLOR_TYPES = [
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self::EXCEL_COLOR_TYPE_RGB,
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self::EXCEL_COLOR_TYPE_SCHEME,
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self::EXCEL_COLOR_TYPE_STANDARD,
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];
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private string $value = '';
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private string $type = '';
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private ?int $alpha = null;
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private ?int $brightness = null;
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/**
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* @param string|string[] $value
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*/
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public function __construct($value = '', ?int $alpha = null, ?string $type = null, ?int $brightness = null)
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{
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if (is_array($value)) {
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$this->setColorPropertiesArray($value);
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} else {
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$this->setColorProperties($value, $alpha, $type, $brightness);
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}
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}
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public function getValue(): string
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{
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return $this->value;
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}
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public function setValue(string $value): self
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{
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$this->value = $value;
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return $this;
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}
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public function getType(): string
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{
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return $this->type;
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}
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public function setType(string $type): self
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{
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$this->type = $type;
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return $this;
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}
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public function getAlpha(): ?int
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{
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return $this->alpha;
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}
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public function setAlpha(?int $alpha): self
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{
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$this->alpha = $alpha;
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return $this;
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}
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public function getBrightness(): ?int
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{
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return $this->brightness;
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}
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public function setBrightness(?int $brightness): self
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{
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$this->brightness = $brightness;
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return $this;
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}
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public function setColorProperties(?string $color, null|float|int|string $alpha = null, ?string $type = null, null|float|int|string $brightness = null): self
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{
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if (empty($type) && !empty($color)) {
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if (str_starts_with($color, '*')) {
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$type = 'schemeClr';
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$color = substr($color, 1);
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} elseif (str_starts_with($color, '/')) {
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$type = 'prstClr';
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$color = substr($color, 1);
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} elseif (preg_match('/^[0-9A-Fa-f]{6}$/', $color) === 1) {
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$type = 'srgbClr';
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}
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}
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if ($color !== null) {
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$this->setValue("$color");
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}
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if ($type !== null) {
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$this->setType($type);
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}
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if ($alpha === null) {
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$this->setAlpha(null);
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} elseif (is_numeric($alpha)) {
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$this->setAlpha((int) $alpha);
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}
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if ($brightness === null) {
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$this->setBrightness(null);
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} elseif (is_numeric($brightness)) {
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$this->setBrightness((int) $brightness);
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}
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return $this;
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}
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public function setColorPropertiesArray(array $color): self
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{
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return $this->setColorProperties(
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$color['value'] ?? '',
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$color['alpha'] ?? null,
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$color['type'] ?? null,
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$color['brightness'] ?? null
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);
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}
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public function isUsable(): bool
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{
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return $this->type !== '' && $this->value !== '';
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}
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/**
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* Get Color Property.
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*/
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public function getColorProperty(string $propertyName): null|int|string
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{
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$retVal = null;
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if ($propertyName === 'value') {
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$retVal = $this->value;
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} elseif ($propertyName === 'type') {
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$retVal = $this->type;
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} elseif ($propertyName === 'alpha') {
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$retVal = $this->alpha;
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} elseif ($propertyName === 'brightness') {
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$retVal = $this->brightness;
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}
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return $retVal;
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}
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public static function alphaToXml(int $alpha): string
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{
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return (string) (100 - $alpha) . '000';
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}
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public static function alphaFromXml(float|int|string $alpha): int
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{
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return 100 - ((int) $alpha / 1000);
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}
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}
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