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1 | initial version |
The issue was I did not make my base class functions virtual, also my constructor for the image_roi class should have been image_roi(void)
2 | No.2 Revision |
The issue was I did not make my base class functions virtual, also my constructor for the image_roi class should have been image_roi(void)image_roi(void). I cant accept my own answer because Im new but this is it for future reference.