[Lazarus] TCustomBitmap

[Graeme Geldenhuys]

Marc Weustink wrote:
> This means that in the near future, you won't be able to use a TBitmap 
> to load for instance a png image. You should use TPngImage instead.

Good work!

And now you should be able to mix in some creational design patterns. 
Any of the Factory patterns (Simple Factory, Factory Method or Abstract 
Factory) could be used to instantiate the correct image class by looking 
at the file extension, or even better the file id (first few bytes of 
the file).


Regards,
   - Graeme -


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