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@types/qr-image
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TypeScript definitions for qr-image
npm install --save @types/qr-image
This package contains type definitions for qr-image (https://github.com/alexeyten/qr-image).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/qr-image.
/// <reference types="node" />
/**
* error correction level. One of L, M, Q, H. Default M.
*/
export type ec_level = "L" | "M" | "Q" | "H";
/** @default 'png' */
export type image_type = "png" | "svg" | "pdf" | "eps";
export interface Bitmap {
/**
* width (and height) of resulting image in pixels
*/
size: number;
/**
* @summary
* Buffer with image data. It's a linear representation
* of image in format:
*
* @example
* <00> <xx> <xx> .. <xx>
* <00> <xx> <xx> .. <xx>
* ..
* <00> <xx> <xx> .. <xx>
* ^ | size number of bytes |
* \ do not modify. Must be 00
*
* @description
* Each `<xx>` is a pixel of image.
* It's value `0` — black, `255` — white, everything between are shades of gray.
*/
data: Buffer;
}
export interface SvgObject {
size: number;
path: string;
}
export interface Options {
// error correction level. One of L, M, Q, H. Default M.
ec_level?: ec_level | undefined;
// image type. Possible values png(default), svg, pdf and eps.
type?: image_type | undefined;
// (png and svg only) for png and undefined for svg.-(png and svg only) — size of one module in pixels.
size?: number | undefined;
// (only png)for png and 1 for others.-white space around QR image in modules.
margin?: number | undefined;
// (experimental, default false) try to optimize QR-code for URLs.
parse_url?: boolean | undefined;
/**
* (only png) — function to customize qr bitmap before encoding to PNG
*/
customize?: ((bitmap: Bitmap) => void) | undefined;
}
export function image(text: string, level?: ec_level): NodeJS.ReadableStream;
export function image(text: string, options?: Options): NodeJS.ReadableStream;
export function imageSync(text: string, level?: ec_level): Buffer;
export function imageSync(text: string, options?: Options): string | Buffer;
export function svgObject(text: string, level?: ec_level): SvgObject;
export function svgObject(text: string, options?: Options): SvgObject;
export function matrix(text: string, level?: ec_level): any[][];
These definitions were written by taoqf.
FAQs
TypeScript definitions for qr-image
We found that @types/qr-image demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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