// Generated by dts-bundle-generator v5.6.0

/// <reference types="node" />
/// <reference types="prop-types" />
/// <reference types="react" />

export declare const QRErrorCorrectLevel: {
	L: number;
	M: number;
	Q: number;
	H: number;
};
export declare const QRMaskPattern: {
	PATTERN000: number;
	PATTERN001: number;
	PATTERN010: number;
	PATTERN011: number;
	PATTERN100: number;
	PATTERN101: number;
	PATTERN110: number;
	PATTERN111: number;
};
export declare type ComponentOptions = {
	/**
	 * Component options for data/ECC.
	 */
	data?: {
		/**
		 * Scale factor for data/ECC dots.
		 * @default 0.4
		 */
		scale?: number;
	};
	/**
	 * Component options for timing patterns.
	 */
	timing?: {
		/**
		 * Scale factor for timing patterns.
		 * @default 0.5
		 */
		scale?: number;
		/**
		 * Protector for timing patterns.
		 * @default false
		 */
		protectors?: boolean;
	};
	/**
	 * Component options for alignment patterns.
	 */
	alignment?: {
		/**
		 * Scale factor for alignment patterns.
		 * @default 0.5
		 */
		scale?: number;
		/**
		 * Protector for alignment patterns.
		 * @default false
		 */
		protectors?: boolean;
	};
	/**
	 * Component options for alignment pattern on the bottom-right corner.
	 */
	cornerAlignment?: {
		/**
		 * Scale factor for alignment pattern on the bottom-right corner.
		 * @default 0.5
		 */
		scale?: number;
		/**
		 * Protector for alignment pattern on the bottom-right corner.
		 * @default true
		 */
		protectors?: boolean;
	};
};
export declare type Options = {
	/**
	 * Text to be encoded in the QR code.
	 */
	text: string;
	/**
	 * Size of the QR code in pixel.
	 *
	 * @defaultValue 400
	 */
	size?: number;
	/**
	 * Size of margins around the QR code body in pixel.
	 *
	 * @defaultValue 20
	 */
	margin?: number;
	/**
	 * Error correction level of the QR code.
	 *
	 * Accepts a value provided by _QRErrorCorrectLevel_.
	 *
	 * For more information, please refer to [https://www.qrcode.com/en/about/error_correction.html](https://www.qrcode.com/en/about/error_correction.html).
	 *
	 * @defaultValue 0
	 */
	correctLevel?: number;
	/**
	 * **This is an advanced option.**
	 *
	 * Specify the mask pattern to be used in QR code encoding.
	 *
	 * Accepts a value provided by _QRMaskPattern_.
	 *
	 * To find out all eight mask patterns, please refer to [https://en.wikipedia.org/wiki/File:QR_Code_Mask_Patterns.svg](https://en.wikipedia.org/wiki/File:QR_Code_Mask_Patterns.svg)
	 *
	 * For more information, please refer to [https://en.wikiversity.org/wiki/Reed%E2%80%93Solomon_codes_for_coders#Masking](https://en.wikiversity.org/wiki/Reed%E2%80%93Solomon_codes_for_coders#Masking).
	 */
	maskPattern?: number;
	/**
	 * **This is an advanced option.**
	 *
	 * Specify the version to be used in QR code encoding.
	 *
	 * Accepts an integer in range [1, 40].
	 *
	 * For more information, please refer to [https://www.qrcode.com/en/about/version.html](https://www.qrcode.com/en/about/version.html).
	 */
	version?: number;
	/**
	 * Options to control components in the QR code.
	 *
	 * @deafultValue undefined
	 */
	components?: ComponentOptions;
	/**
	 * Color of the blocks on the QR code.
	 *
	 * Accepts a CSS &lt;color&gt;.
	 *
	 * For more information about CSS &lt;color&gt;, please refer to [https://developer.mozilla.org/en-US/docs/Web/CSS/color_value](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value).
	 *
	 * @defaultValue "#000000"
	 */
	colorDark?: string;
	/**
	 * Color of the empty areas on the QR code.
	 *
	 * Accepts a CSS &lt;color&gt;.
	 *
	 * For more information about CSS &lt;color&gt;, please refer to [https://developer.mozilla.org/en-US/docs/Web/CSS/color_value](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value).
	 *
	 * @defaultValue "#ffffff"
	 */
	colorLight?: string;
	/**
	 * Automatically calculate the _colorLight_ value from the QR code's background.
	 *
	 * @defaultValue true
	 */
	autoColor?: boolean;
	/**
	 * Background image to be used in the QR code.
	 *
	 * Accepts a `data:` string in web browsers or a Buffer in Node.js.
	 *
	 * @defaultValue undefined
	 */
	backgroundImage?: string | Buffer;
	/**
	 * Color of the dimming mask above the background image.
	 *
	 * Accepts a CSS &lt;color&gt;.
	 *
	 * For more information about CSS &lt;color&gt;, please refer to [https://developer.mozilla.org/en-US/docs/Web/CSS/color_value](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value).
	 *
	 * @defaultValue "rgba(0, 0, 0, 0)"
	 */
	backgroundDimming?: string;
	/**
	 * GIF background image to be used in the QR code.
	 *
	 * @defaultValue undefined
	 */
	gifBackground?: ArrayBuffer;
	/**
	 * Use a white margin instead of a transparent one which reveals the background of the QR code on margins.
	 *
	 * @defaultValue true
	 */
	whiteMargin?: boolean;
	/**
	 * Logo image to be displayed at the center of the QR code.
	 *
	 * Accepts a `data:` string in web browsers or a Buffer in Node.js.
	 *
	 * When set to `undefined` or `null`, the logo is disabled.
	 *
	 * @defaultValue undefined
	 */
	logoImage?: string | Buffer;
	/**
	 * Ratio of the logo size to the QR code size.
	 *
	 * @defaultValue 0.2
	 */
	logoScale?: number;
	/**
	 * Size of margins around the logo image in pixels.
	 *
	 * @defaultValue 6
	 */
	logoMargin?: number;
	/**
	 * Corner radius of the logo image in pixels.
	 *
	 * @defaultValue 8
	 */
	logoCornerRadius?: number;
	/**
	 * @deprecated
	 *
	 * Ratio of the real size to the full size of the blocks.
	 *
	 * This can be helpful when you want to make more parts of the background visible.
	 *
	 * @deafultValue 0.4
	 */
	dotScale?: number;
};
export declare class AwesomeQR {
	private canvas;
	private canvasContext;
	private qrCode?;
	private options;
	static CorrectLevel: {
		L: number;
		M: number;
		Q: number;
		H: number;
	};
	private static defaultComponentOptions;
	static defaultOptions: Options;
	constructor(options: Partial<Options>);
	draw(): Promise<Buffer | ArrayBuffer | string | undefined>;
	private _clear;
	private static _prepareRoundedCornerClip;
	private static _getAverageRGB;
	private static _drawDot;
	private static _drawAlignProtector;
	private static _drawAlign;
	private _draw;
}
export declare type AwesomeQRCodeState = "working" | "idle";
export interface AwesomeQRCodeProps {
	options: Partial<Options>;
	onStateChange?: (state: AwesomeQRCodeState) => void;
}
export declare const AwesomeQRCode: React.FC<AwesomeQRCodeProps>;

export {};