[fpc-pascal] Simple drawing

[Bisma Jayadi]

> Is the 'graph' unit a candidate for this (I remember it to be easily
> used from my Turbo Pascal days), or is there a better alternative?

If you're considering compatibility with other pascal compilers (TP/BP, FPC, 
Delphi) then the graph unit is the best alternative since it's also available on 
almost other pascal compilers though sometimes with a little different names but 
supply similar consts, functions, or procedures. Especially for teaching, graph 
unit is much less complex and easier to be understood though the performance is 
poor. Similar case to CRT unit.

But if you require an OOP, full featured, fast, cross platform, graphics library 
then there are many alternatives. You can use SDL4FPC, PTCPas, AggPas, etc. 
Study them and pick the most suitable to your requirements.

-Bee-

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