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Re: RectTracker filled with black [message #14124 is a reply to message #14122]

Wed, 13 February 2008 12:40

cbpporter
Messages: 1428
Registered: September 2007

Ultimate Contributor

Quote:

DrawDragRect doesn't work properly with backwards rectangles.

This seems to be the problem. Works fine with the swapped coords. I'm a little worried about the precision of the end-point coordinate, which seems of by a pixel in both dimensions (seen more clearly when Image::Cross() cursor is used, and end-point is mouse coord), but I can't tell for sure. U++ Rect is extremely counter intuitive for me and I have to battle years of experience with completely different rectangle semantics, so until I get used to this, it is really hard to make sense of code which uses rect.

Quote:

For a test case just change the default behaviour in RectTracker example (ie no control keys) to ALIGN_NULL/ALIGN_NULL.

Forgot about that one. At least I don't have to write a testcase Smile

Quote:

For instance, what is the purpose of ViewDraw?

I found it this morning before work too. I didn't look into it because I was already having a headache with all those rects, but you can find a lot of such classes in U++. I don't know if even Mirek remembers them all?

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[Message index]

		RectTracker filled with black By: cbpporter on Wed, 13 February 2008 06:54
		Re: RectTracker filled with black By: mirek on Wed, 13 February 2008 08:44
		Re: RectTracker filled with black By: mrjt on Wed, 13 February 2008 12:13
		Re: RectTracker filled with black By: cbpporter on Wed, 13 February 2008 12:40
		Re: RectTracker filled with black By: cbpporter on Wed, 13 February 2008 16:12
		Re: RectTracker filled with black By: cbpporter on Wed, 20 February 2008 09:33
		Re: RectTracker filled with black By: mrjt on Wed, 20 February 2008 10:55
		Re: RectTracker filled with black By: cbpporter on Wed, 20 February 2008 13:28
		Re: RectTracker filled with black By: mrjt on Wed, 20 February 2008 14:13
		Re: RectTracker filled with black By: cbpporter on Wed, 20 February 2008 14:19
		Re: RectTracker filled with black By: mrjt on Wed, 20 February 2008 14:52
		Re: RectTracker filled with black By: cbpporter on Wed, 20 February 2008 14:58
		Re: RectTracker filled with black By: cbpporter on Sun, 24 February 2008 22:21
		Re: RectTracker filled with black By: mirek on Tue, 26 February 2008 21:13
		Re: RectTracker filled with black By: cbpporter on Thu, 28 February 2008 11:12
		Re: RectTracker filled with black By: cbpporter on Fri, 29 February 2008 15:08
		Re: RectTracker filled with black By: mrjt on Fri, 29 February 2008 15:20
		Re: RectTracker filled with black By: cbpporter on Fri, 29 February 2008 15:34
		Re: RectTracker filled with black By: mirek on Mon, 03 March 2008 20:48
		Re: RectTracker filled with black By: cbpporter on Tue, 04 March 2008 10:24
		Re: RectTracker filled with black By: cbpporter on Thu, 20 March 2008 14:35
		Re: RectTracker filled with black By: cbpporter on Thu, 20 March 2008 15:31
		Re: RectTracker filled with black By: mirek on Sat, 22 March 2008 20:33
		Re: RectTracker filled with black By: mirek on Wed, 20 February 2008 13:57

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