@zxing/library

import Charset from '../../util/Charset'; import { char } from '../../../customTypings'; import { SymbolShapeHint } from './constants'; import { MinimalECIInput } from '../../common/MinimalECIInput'; declare enum Mode { ASCII = 0, C40 = 1, TEXT = 2, X12 = 3, EDF = 4, B256 = 5 } export declare class MinimalEncoder { static isExtendedASCII(ch: char, fnc1: number): boolean; static isInC40Shift1Set(ch: char): boolean; static isInC40Shift2Set(ch: char, fnc1: number): boolean; static isInTextShift1Set(ch: char): boolean; static isInTextShift2Set(ch: char, fnc1: number): boolean; /** * Performs message encoding of a DataMatrix message * * @param msg the message * @param priorityCharset The preferred {@link Charset}. When the value of the argument is null, the algorithm * chooses charsets that leads to a minimal representation. Otherwise the algorithm will use the priority * charset to encode any character in the input that can be encoded by it if the charset is among the * supported charsets. * @param fnc1 denotes the character in the input that represents the FNC1 character or -1 if this is not a GS1 * bar code. If the value is not -1 then a FNC1 is also prepended. * @param shape requested shape. * @return the encoded message (the char values range from 0 to 255) */ static encodeHighLevel(msg: string, priorityCharset?: Charset, fnc1?: number, shape?: SymbolShapeHint): string; /** * Encodes input minimally and returns an array of the codewords * * @param input The string to encode * @param priorityCharset The preferred {@link Charset}. When the value of the argument is null, the algorithm * chooses charsets that leads to a minimal representation. Otherwise the algorithm will use the priority * charset to encode any character in the input that can be encoded by it if the charset is among the * supported charsets. * @param fnc1 denotes the character in the input that represents the FNC1 character or -1 if this is not a GS1 * bar code. If the value is not -1 then a FNC1 is also prepended. * @param shape requested shape. * @param macroId Prepends the specified macro function in case that a value of 5 or 6 is specified. * @return An array of bytes representing the codewords of a minimal encoding. */ static encode(input: string, priorityCharset: Charset, fnc1: number, shape: SymbolShapeHint, macroId: number): Uint8Array; static addEdge(edges: Edge[][], edge: Edge): void; /** @return the number of words in which the string starting at from can be encoded in c40 or text mode. * The number of characters encoded is returned in characterLength. * The number of characters encoded is also minimal in the sense that the algorithm stops as soon * as a character encoding fills a C40 word competely (three C40 values). An exception is at the * end of the string where two C40 values are allowed (according to the spec the third c40 value * is filled with 0 (Shift 1) in this case). */ static getNumberOfC40Words(input: Input, from: number, c40: boolean, characterLength: number[]): number; static addEdges(input: Input, edges: Edge[][], from: number, previous: Edge): void; static encodeMinimally(input: Input): Result; } declare class Result { private bytes; constructor(solution: Edge); prepend(bytes: Uint8Array, into: number[]): number; randomize253State(codewordPosition: number): number; applyRandomPattern(bytesAL: number[], startPosition: number, length: number): void; getBytes(): Uint8Array; } declare class Edge { readonly input: Input; readonly mode: Mode; readonly fromPosition: number; readonly characterLength: number; readonly previous: Edge; private allCodewordCapacities; private squareCodewordCapacities; private rectangularCodewordCapacities; cachedTotalSize: number; constructor(input: Input, mode: Mode, fromPosition: number, characterLength: number, previous: Edge); getB256Size(): number; getPreviousStartMode(): Mode; getPreviousMode(): Mode; /** Returns Mode.ASCII in case that: * - Mode is EDIFACT and characterLength is less than 4 or the remaining characters can be encoded in at most 2 * ASCII bytes. * - Mode is C40, TEXT or X12 and the remaining characters can be encoded in at most 1 ASCII byte. * Returns mode in all other cases. * */ getEndMode(): Mode; getMode(): Mode; /** Peeks ahead and returns 1 if the postfix consists of exactly two digits, 2 if the postfix consists of exactly * two consecutive digits and a non extended character or of 4 digits. * Returns 0 in any other case **/ getLastASCII(): number; /** Returns the capacity in codewords of the smallest symbol that has enough capacity to fit the given minimal * number of codewords. **/ getMinSymbolSize(minimum: number): number; /** Returns the remaining capacity in codewords of the smallest symbol that has enough capacity to fit the given * minimal number of codewords. **/ getCodewordsRemaining(minimum: number): number; static getBytes(c1: number, c2?: number): Uint8Array; setC40Word(bytes: Uint8Array, offset: number, c1: number, c2: number, c3: number): void; getX12Value(c: number): number; getX12Words(): Uint8Array; getShiftValue(c: number, c40: boolean, fnc1: number): number; getC40Value(c40: boolean, setIndex: number, c: number, fnc1: number): number; getC40Words(c40: boolean, fnc1: number): Uint8Array; getEDFBytes(): Uint8Array; getLatchBytes(): Uint8Array; getDataBytes(): Uint8Array; } declare class Input extends MinimalECIInput { private readonly shape; private readonly macroId; constructor(stringToEncode: string, priorityCharset: Charset, fnc1: number, shape: SymbolShapeHint, macroId: number); getMacroId(): number; getShapeHint(): SymbolShapeHint; } export {};