How to use

getScale

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

/**
 * Get the current state of the view (scale, center, orientation) for restoration after rotate. Will return null if
 * the view is not ready.
 * @return an {@link ImageViewState} instance representing the current position of the image. null if the view isn't ready.
 */
@Nullable
public final ImageViewState getState() {
  if (vTranslate != null && sWidth > 0 && sHeight > 0) {
    //noinspection ConstantConditions
    return new ImageViewState(getScale(), getCenter(), getOrientation());
  }
  return null;
}

  @Override
  public void onImageLoaded() {
    super.onImageLoaded();
    float scale = imageView.getScale();
    PointF center = new PointF(imageView.getWidth() / 2, 0.0f);
    imageView.setScaleAndCenter(scale, center);
  }
});

/**
 * Get the current state of the view (scale, center, orientation) for restoration after rotate. Will return null if
 * the view is not ready.
 */
public final ImageViewState getState() {
  if (vTranslate != null && sWidth > 0 && sHeight > 0) {
    return new ImageViewState(getScale(), getCenter(), getOrientation());
  }
  return null;
}