RMMZ JavaScript: Horizontally Flipping A Bitmap?

[ArtDept]

I have the following PNG (button_arrow):

Upon start of the game, it gets loaded into $dataGui._bitmaps.button_arrow.main[0]-

As a Bitmap, it has canvas and image properties-

Per this StackOverflow post, it seems to be possible to flip an image horizontally using JavaScript-

I am trying to apply their logic to the following function, that processes button_arrow.png before it is loaded into the $datGui._bitmaps object-

The function attempts to create four new bitmaps from button_arrow.png-

But I am unsuccessful thus far.

Doth anybody have any insights, suggestions, or corrections for how I might achieve my goal?

TIA


UPDATE (2022.05.25 23:52)

Got it working after coming across this piece of advice from another thread and adapting it-

Thanks

 

[caethyril]

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