[Feature request] During Alpha Blend Animation in image comparison, indicate whether the currently displayed image is Left or Right

[sken130]

The Alpha Blend Animation in image comparison is a good feature.

During Alpha Blend Animation in image comparison, the screen is alternating between two states:

State 1: Left view - displaying left image Right view - displaying right image

State 2: Left view - displaying right image Right view - displaying left image

A little problem is, in any given time during the animation, I can't tell whether the screen is in state 1 or state 2, i.e. I don't know whether the left view is displaying the left image or right image, and whether the right view is displaying the right image or left image.

So:

1. Is it possible to, during animation, indicate whether it's showing the left or right image in each view?
2. Also, the indicator (of left/right) should not be placed in locations that obstruct the view of the images.
3. Perhaps switching between the words "Left" and "Right" could be done as animation too (just don't obstruct the view of the images)