wesleytabaka-rpi-led-matrix/examples/simple-drawing.ts

Fork of alexeden/rpi-led-matrix. Node.js/Typescript bindings for hzeller/rpi-rgb-led-matrix

import { LedMatrix } from '../src';
import { matrixOptions, runtimeOptions } from './_config';

const wait = (t: number) => new Promise(ok => setTimeout(ok, t));

(async () => {
  try {
    const matrix = new LedMatrix(matrixOptions, runtimeOptions);


    matrix
      .clear()            // clear the display
      .brightness(100)    // set the panel brightness to 100%
      .fgColor(0x0000FF)  // set the active color to blue
      .fill()             // color the entire diplay blue
      .fgColor(0xFFFF00)  // set the active color to yellow
      // draw a yellow circle around the display
      .drawCircle(matrix.width() / 2, matrix.height() / 2, matrix.width() / 2 - 1)
      // draw a yellow rectangle
      .drawRect(matrix.width() / 4, matrix.height() / 4, matrix.width() / 2, matrix.height() / 2)
      // sets the active color to red
      .fgColor({ r: 255, g: 0, b: 0 })
      // draw two diagonal red lines connecting the corners
      .drawLine(0, 0, matrix.width(), matrix.height())
      .drawLine(matrix.width() - 1, 0, 0, matrix.height() - 1);

    matrix.sync();

    await wait(999999999);
  }
  catch (error) {
    console.error(`${__filename} caught: `, error);
  }
})();