JSFiddle - React, Tailwind, and code Playground

by H17737

HTML

<canvas id="myCanvas" width="578" height="200"></canvas>

JavaScript

var canvas = document.getElementById('myCanvas');
      var context = canvas.getContext('2d');
      var imageObj = new Image();

      imageObj.onload = function() {
        // draw cropped image
        var sourceX = 150;
        var sourceY = 0;
        var sourceWidth = 200;
        var sourceHeight = 200;
        var destWidth = sourceWidth;
        var destHeight = sourceHeight;
        var destX = canvas.width / 2 - destWidth / 2;
        var destY = canvas.height / 2 - destHeight / 2;

        context.drawImage(imageObj, sourceX, sourceY, sourceWidth, sourceHeight, destX, destY, destWidth, destHeight);
      };
      imageObj.src = 'http://www.html5canvastutorials.com/demos/assets/darth-vader.jpg';