A Delphi TShape is nothing more than drawing a bunch of vector graphics.
You can “rotate” the X/Y coordinates themselves with a 2-D transformation matrix. Computer Graphics 101:
2D transformations as answer to “delphi – Change orientation of a shape” – Stack Overflow
Posted by jpluimers on 2013/07/09
Sometimes a generic answer to a specific answer gives people a lot more insight into what they actually want to accomplish than a specific answer.
Plus that the knowledge does not only apply to VCL in any Delphi version: it works in any development environment where you can draw.
That’s why I like this 2D transformation answer so much:
Thanks paulsm4!
–jeroen
delphi – Change orientation of a shape – Stack Overflow.
The Wiert Corner - irregular stream of stuff 
Leave a comment