[Lazarus] ComparePoints func

[Graeme Geldenhuys]

On 2017-07-26 17:27, Alexey via Lazarus wrote:
> Hm, in my app Int makes sense: i need to compare Points in binary
> search, and see: >, <, =.

Ever heard of Manhatten Length? That would be a more logical approach. 
It is a commonly used length calculation for points.

   http://en.wikipedia.org/wiki/Taxicab_geometry


The interface as in fpGUI's TfpgPoint:

 
https://github.com/graemeg/fpGUI/blob/develop/src/corelib/fpg_base.pas#L164..L165


The implementations:

 
https://github.com/graemeg/fpGUI/blob/develop/src/corelib/fpg_base.pas#L2021..L2029



Regards,
   Graeme

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fpGUI Toolkit - a cross-platform GUI toolkit using Free Pascal
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