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<?php namespace PhpOffice\PhpSpreadsheet\Style; class Color extends Supervisor { const NAMED_COLORS = [ 'Black', 'White', 'Red', 'Green', 'Blue', 'Yellow', 'Magenta', 'Cyan', ]; // Colors const COLOR_BLACK = 'FF000000'; const COLOR_WHITE = 'FFFFFFFF'; const COLOR_RED = 'FFFF0000'; const COLOR_DARKRED = 'FF800000'; const COLOR_BLUE = 'FF0000FF'; const COLOR_DARKBLUE = 'FF000080'; const COLOR_GREEN = 'FF00FF00'; const COLOR_DARKGREEN = 'FF008000'; const COLOR_YELLOW = 'FFFFFF00'; const COLOR_DARKYELLOW = 'FF808000'; const COLOR_MAGENTA = 'FFFF00FF'; const COLOR_CYAN = 'FF00FFFF'; const NAMED_COLOR_TRANSLATIONS = [ 'Black' => self::COLOR_BLACK, 'White' => self::COLOR_WHITE, 'Red' => self::COLOR_RED, 'Green' => self::COLOR_GREEN, 'Blue' => self::COLOR_BLUE, 'Yellow' => self::COLOR_YELLOW, 'Magenta' => self::COLOR_MAGENTA, 'Cyan' => self::COLOR_CYAN, ]; const VALIDATE_ARGB_SIZE = 8; const VALIDATE_RGB_SIZE = 6; const VALIDATE_COLOR_6 = '/^[A-F0-9]{6}$/i'; const VALIDATE_COLOR_8 = '/^[A-F0-9]{8}$/i'; private const INDEXED_COLORS = [ 1 => 'FF000000', // System Colour #1 - Black 2 => 'FFFFFFFF', // System Colour #2 - White 3 => 'FFFF0000', // System Colour #3 - Red 4 => 'FF00FF00', // System Colour #4 - Green 5 => 'FF0000FF', // System Colour #5 - Blue 6 => 'FFFFFF00', // System Colour #6 - Yellow 7 => 'FFFF00FF', // System Colour #7- Magenta 8 => 'FF00FFFF', // System Colour #8- Cyan 9 => 'FF800000', // Standard Colour #9 10 => 'FF008000', // Standard Colour #10 11 => 'FF000080', // Standard Colour #11 12 => 'FF808000', // Standard Colour #12 13 => 'FF800080', // Standard Colour #13 14 => 'FF008080', // Standard Colour #14 15 => 'FFC0C0C0', // Standard Colour #15 16 => 'FF808080', // Standard Colour #16 17 => 'FF9999FF', // Chart Fill Colour #17 18 => 'FF993366', // Chart Fill Colour #18 19 => 'FFFFFFCC', // Chart Fill Colour #19 20 => 'FFCCFFFF', // Chart Fill Colour #20 21 => 'FF660066', // Chart Fill Colour #21 22 => 'FFFF8080', // Chart Fill Colour #22 23 => 'FF0066CC', // Chart Fill Colour #23 24 => 'FFCCCCFF', // Chart Fill Colour #24 25 => 'FF000080', // Chart Line Colour #25 26 => 'FFFF00FF', // Chart Line Colour #26 27 => 'FFFFFF00', // Chart Line Colour #27 28 => 'FF00FFFF', // Chart Line Colour #28 29 => 'FF800080', // Chart Line Colour #29 30 => 'FF800000', // Chart Line Colour #30 31 => 'FF008080', // Chart Line Colour #31 32 => 'FF0000FF', // Chart Line Colour #32 33 => 'FF00CCFF', // Standard Colour #33 34 => 'FFCCFFFF', // Standard Colour #34 35 => 'FFCCFFCC', // Standard Colour #35 36 => 'FFFFFF99', // Standard Colour #36 37 => 'FF99CCFF', // Standard Colour #37 38 => 'FFFF99CC', // Standard Colour #38 39 => 'FFCC99FF', // Standard Colour #39 40 => 'FFFFCC99', // Standard Colour #40 41 => 'FF3366FF', // Standard Colour #41 42 => 'FF33CCCC', // Standard Colour #42 43 => 'FF99CC00', // Standard Colour #43 44 => 'FFFFCC00', // Standard Colour #44 45 => 'FFFF9900', // Standard Colour #45 46 => 'FFFF6600', // Standard Colour #46 47 => 'FF666699', // Standard Colour #47 48 => 'FF969696', // Standard Colour #48 49 => 'FF003366', // Standard Colour #49 50 => 'FF339966', // Standard Colour #50 51 => 'FF003300', // Standard Colour #51 52 => 'FF333300', // Standard Colour #52 53 => 'FF993300', // Standard Colour #53 54 => 'FF993366', // Standard Colour #54 55 => 'FF333399', // Standard Colour #55 56 => 'FF333333', // Standard Colour #56 ]; /** * ARGB - Alpha RGB. * * @var null|string */ protected $argb; /** @var bool */ private $hasChanged = false; /** * Create a new Color. * * @param string $colorValue ARGB value for the colour, or named colour * @param bool $isSupervisor Flag indicating if this is a supervisor or not * Leave this value at default unless you understand exactly what * its ramifications are * @param bool $isConditional Flag indicating if this is a conditional style or not * Leave this value at default unless you understand exactly what * its ramifications are */ public function __construct($colorValue = self::COLOR_BLACK, $isSupervisor = false, $isConditional = false) { // Supervisor? parent::__construct($isSupervisor); // Initialise values if (!$isConditional) { $this->argb = $this->validateColor($colorValue) ?: self::COLOR_BLACK; } } /** * Get the shared style component for the currently active cell in currently active sheet. * Only used for style supervisor. * * @return Color */ public function getSharedComponent() { /** @var Style */ $parent = $this->parent; /** @var Border|Fill $sharedComponent */ $sharedComponent = $parent->getSharedComponent(); if ($sharedComponent instanceof Fill) { if ($this->parentPropertyName === 'endColor') { return $sharedComponent->getEndColor(); } return $sharedComponent->getStartColor(); } return $sharedComponent->getColor(); } /** * Build style array from subcomponents. * * @param array $array * * @return array */ public function getStyleArray($array) { /** @var Style */ $parent = $this->parent; return $parent->/** @scrutinizer ignore-call */ getStyleArray([$this->parentPropertyName => $array]); } /** * Apply styles from array. * * <code> * $spreadsheet->getActiveSheet()->getStyle('B2')->getFont()->getColor()->applyFromArray(['rgb' => '808080']); * </code> * * @param array $styleArray Array containing style information * * @return $this */ public function applyFromArray(array $styleArray) { if ($this->isSupervisor) { $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($styleArray)); } else { if (isset($styleArray['rgb'])) { $this->setRGB($styleArray['rgb']); } if (isset($styleArray['argb'])) { $this->setARGB($styleArray['argb']); } } return $this; } private function validateColor(?string $colorValue): string { if ($colorValue === null || $colorValue === '') { return self::COLOR_BLACK; } $named = ucfirst(strtolower($colorValue)); if (array_key_exists($named, self::NAMED_COLOR_TRANSLATIONS)) { return self::NAMED_COLOR_TRANSLATIONS[$named]; } if (preg_match(self::VALIDATE_COLOR_8, $colorValue) === 1) { return $colorValue; } if (preg_match(self::VALIDATE_COLOR_6, $colorValue) === 1) { return 'FF' . $colorValue; } return ''; } /** * Get ARGB. */ public function getARGB(): ?string { if ($this->isSupervisor) { return $this->getSharedComponent()->getARGB(); } return $this->argb; } /** * Set ARGB. * * @param string $colorValue ARGB value, or a named color * * @return $this */ public function setARGB(?string $colorValue = self::COLOR_BLACK) { $this->hasChanged = true; $colorValue = $this->validateColor($colorValue); if ($colorValue === '') { return $this; } if ($this->isSupervisor) { $styleArray = $this->getStyleArray(['argb' => $colorValue]); $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray); } else { $this->argb = $colorValue; } return $this; } /** * Get RGB. */ public function getRGB(): string { if ($this->isSupervisor) { return $this->getSharedComponent()->getRGB(); } return substr($this->argb ?? '', 2); } /** * Set RGB. * * @param string $colorValue RGB value, or a named color * * @return $this */ public function setRGB(?string $colorValue = self::COLOR_BLACK) { return $this->setARGB($colorValue); } /** * Get a specified colour component of an RGB value. * * @param string $rgbValue The colour as an RGB value (e.g. FF00CCCC or CCDDEE * @param int $offset Position within the RGB value to extract * @param bool $hex Flag indicating whether the component should be returned as a hex or a * decimal value * * @return int|string The extracted colour component */ private static function getColourComponent($rgbValue, $offset, $hex = true) { $colour = substr($rgbValue, $offset, 2) ?: ''; if (preg_match('/^[0-9a-f]{2}$/i', $colour) !== 1) { $colour = '00'; } return ($hex) ? $colour : (int) hexdec($colour); } /** * Get the red colour component of an RGB value. * * @param string $rgbValue The colour as an RGB value (e.g. FF00CCCC or CCDDEE * @param bool $hex Flag indicating whether the component should be returned as a hex or a * decimal value * * @return int|string The red colour component */ public static function getRed($rgbValue, $hex = true) { return self::getColourComponent($rgbValue, strlen($rgbValue) - 6, $hex); } /** * Get the green colour component of an RGB value. * * @param string $rgbValue The colour as an RGB value (e.g. FF00CCCC or CCDDEE * @param bool $hex Flag indicating whether the component should be returned as a hex or a * decimal value * * @return int|string The green colour component */ public static function getGreen($rgbValue, $hex = true) { return self::getColourComponent($rgbValue, strlen($rgbValue) - 4, $hex); } /** * Get the blue colour component of an RGB value. * * @param string $rgbValue The colour as an RGB value (e.g. FF00CCCC or CCDDEE * @param bool $hex Flag indicating whether the component should be returned as a hex or a * decimal value * * @return int|string The blue colour component */ public static function getBlue($rgbValue, $hex = true) { return self::getColourComponent($rgbValue, strlen($rgbValue) - 2, $hex); } /** * Adjust the brightness of a color. * * @param string $hexColourValue The colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE) * @param float $adjustPercentage The percentage by which to adjust the colour as a float from -1 to 1 * * @return string The adjusted colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE) */ public static function changeBrightness($hexColourValue, $adjustPercentage) { $rgba = (strlen($hexColourValue) === 8); $adjustPercentage = max(-1.0, min(1.0, $adjustPercentage)); /** @var int $red */ $red = self::getRed($hexColourValue, false); /** @var int $green */ $green = self::getGreen($hexColourValue, false); /** @var int $blue */ $blue = self::getBlue($hexColourValue, false); return (($rgba) ? 'FF' : '') . RgbTint::rgbAndTintToRgb($red, $green, $blue, $adjustPercentage); } /** * Get indexed color. * * @param int $colorIndex Index entry point into the colour array * @param bool $background Flag to indicate whether default background or foreground colour * should be returned if the indexed colour doesn't exist */ public static function indexedColor($colorIndex, $background = false, ?array $palette = null): self { // Clean parameter $colorIndex = (int) $colorIndex; if (empty($palette)) { if (isset(self::INDEXED_COLORS[$colorIndex])) { return new self(self::INDEXED_COLORS[$colorIndex]); } } else { if (isset($palette[$colorIndex])) { return new self($palette[$colorIndex]); } } return ($background) ? new self(self::COLOR_WHITE) : new self(self::COLOR_BLACK); } /** * Get hash code. * * @return string Hash code */ public function getHashCode(): string { if ($this->isSupervisor) { return $this->getSharedComponent()->getHashCode(); } return md5( $this->argb . __CLASS__ ); } protected function exportArray1(): array { $exportedArray = []; $this->exportArray2($exportedArray, 'argb', $this->getARGB()); return $exportedArray; } public function getHasChanged(): bool { if ($this->isSupervisor) { return $this->getSharedComponent()->hasChanged; } return $this->hasChanged; } }

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

Simplifying Payments, One Tap at a Time.
Reinventing Your Wallet for Modern Convenience.
Smart Payments for a Effortless Lifestyle.
Experience the Ease of Tap and Pay.
Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard