Draw Canvas Label

DrawLabel.tsx

    drawLabel(angle) {
        var canvas: any = document.getElementById("canvas"), 
            ctx: CanvasRenderingContext2D = canvas.getContext('2d');
  
        // Clear canvas first
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        canvas.width = 500;
  
        // Draw text
        ctx.font = "20px Helvetica";
        ctx.fillText(`angle: ${angle}, left: ${this.state.confirmedAngles.left}, right: ${this.state.confirmedAngles.right}`, 10, 40);
    }