led-matrix-ts/dist/esm/lib/core/led-matrix.js

Highly customizable led matrix for the browser

import { Board } from "./board";
import { Panel } from "./panel";
import { Event } from "../utils/event";
import { CharacterDictionary } from "./character-dictionary";
import { SideScroller } from "./scrollers/side-scroller";
export class LedMatrix {
    constructor(params) {
        this.onReady = new Event();
        this._params = this._validateParameters(params);
        this._panel = new Panel({
            board: new Board({
                letterSpacing: this._params.letterSpacing,
                padding: this._params.padding,
                size: this._params.size
            }),
            increment: this._params.increment,
            reverse: this._params.reverse,
            width: this._params.panelWidth,
            scroller: this._params.scroller
        });
        this.event = {
            newSequence: this._panel.NewSequence
        };
        this._dictionary = new CharacterDictionary();
    }
    get Ready() { return this.onReady.expose(); }
    get size() {
        return this._size;
    }
    set size(value) {
        this._size = value;
        this._panel.board.load(this.input, this._dictionary, this.size);
        this._panel.GetCurrentSequence();
    }
    get loopEndIndex() {
        return this._panel.scroller.loopEndIndex(this._panel);
    }
    addCharacters(characters) {
        this._dictionary.add(characters);
    }
    addCharacter(character) {
        this._dictionary.add([character]);
    }
    editCharacter(character) {
        this._dictionary.edit(character);
    }
    deleteCharacter(character) {
        this._dictionary.delete(character);
    }
    get loadedCharacters() {
        return this._dictionary.characters;
    }
    get usedCharacters() {
        return this._panel.board.characters;
    }
    set letterSpacing(value) {
        this._panel.board.letterSpacing = value;
    }
    get letterSpacing() {
        return this._panel.board.letterSpacing;
    }
    set padding(value) {
        this._panel.board.padding = value;
    }
    get padding() {
        return this._panel.board.padding;
    }
    get width() {
        return this._panel.board.width;
    }
    get height() {
        return this._panel.board.height;
    }
    set input(value) {
        this._panel.board.load(value, this._dictionary);
    }
    get input() {
        return this._panel.board.input;
    }
    get sequence() {
        return this._panel.GetCurrentSequence();
    }
    set scroller(value) {
        this._panel.scroller = value;
    }
    get scroller() {
        return this._panel.scroller;
    }
    get reverse() {
        return this._panel.reverse;
    }
    set increment(value) {
        this._panel.increment = value;
    }
    get increment() {
        return this._panel.increment;
    }
    set reverse(value) {
        this._panel.reverse = value;
    }
    set viewportWidth(value) {
        this._panel.width = value;
    }
    get viewportWidth() {
        return this._panel.width;
    }
    _validateParameters(params) {
        let defaultParams = {
            increment: 1,
            scroller: new SideScroller(),
            reverse: false,
            panelWidth: 78,
            letterSpacing: 2,
            padding: [0, 20, 0, 0],
            size: 1
        };
        if (params) {
            params.letterSpacing = this._valueOrDefaultIfNull(params.letterSpacing, defaultParams.letterSpacing);
            params.padding = this._valueOrDefaultIfNull(params.padding, defaultParams.padding);
            params.size = this._valueOrDefaultIfNull(params.size, defaultParams.size);
            params.increment = this._valueOrDefaultIfNull(params.increment, defaultParams.increment);
            params.scroller = this._valueOrDefaultIfNull(params.scroller, defaultParams.scroller);
            params.reverse = this._valueOrDefaultIfNull(params.reverse, defaultParams.reverse);
            params.panelWidth = this._valueOrDefaultIfNull(params.panelWidth, defaultParams.panelWidth);
            return params;
        }
        return defaultParams;
    }
    _valueOrDefaultIfNull(value, defaultValue) {
        return value == null ? defaultValue : value;
    }
}
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