U++ framework: U++ Core » Rect_<T>::SetNull not correct for Rectf (Rect

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Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) [message #32002 is a reply to message #31965]

Sat, 16 April 2011 20:42

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

Should be fixed now.

kohait00 wrote on Tue, 12 April 2011 03:44

EDIT:
the problem seems to be that Rect_<double> seems to need a different Null handling

EDIT: mirek could clear up why Rect_<double> needs extra treatment (i imagine because of Ctrl drawing handling)

but maybe the above approach could be generalized for both

Well, Rect<double> is a strange beast. The problem is that whereas for integer types, it is possible to define that points of rect are defined as

(x >= left && x < right && y >= yop && y < bottom)

for double this is not a good solution, you rather need

(x >= left && x <= right && y >= yop && y <= bottom)

which is the source of all differencies.

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[Message index]

		Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: hans on Mon, 11 April 2011 22:25
		Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: kohait00 on Tue, 12 April 2011 09:44
		Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: mirek on Sat, 16 April 2011 20:42
		Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: kohait00 on Sun, 17 April 2011 14:39
		Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: kohait00 on Thu, 21 April 2011 08:28
		Re: Rect_<T>::SetNull not correct for Rectf (Rect_<double>) By: mirek on Mon, 25 April 2011 10:46

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