_invertAngle(isChangingFlipX, isChangingFlipY) {
    const canvasImage = this.getCanvasImage();
    let { angle } = canvasImage;

    if (isChangingFlipX) {
      angle *= -1;
    }
    if (isChangingFlipY) {
      angle *= -1;
    }
    canvasImage.rotate(parseFloat(angle)).setCoords(); // parseFloat for -0 to 0
  }
Invert image angle for flip
@param {boolean} isChangingFlipX - Change flipX
@param {boolean} isChangingFlipY - Change flipY