in reply to
As proof of concept this awful following script
which map a flower with transparency (if you wait a bit).
For sure if you only want no-rectangular corners, you just need
work out that.
As each pixel is hard coded, the script is very long.
Hope this help.
For Perlmonks HD space consideration I link this out:
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (198 votes),