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Thread: How to visualize a trackball using 3 circles

  1. #1
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    How to visualize a trackball using 3 circles

    I am using OpenGL and MFC. Now I want to visualize a trackball using 3 circles like the following image:

    Name:  arcball.jpg
Views: 120
Size:  36.3 KB

    Everytime a mouse hover a circle then the circle is drawn with a brighter color. Is there possible to do this using GDI or GDI+?

  2. #2
    VictorN's Avatar
    VictorN is online now Super Moderator Power Poster
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    Re: How to visualize a trackball using 3 circles

    Quote Originally Posted by pnt1614 View Post
    I am using OpenGL and MFC. Now I want to visualize a trackball using 3 circles like the following image:
    ...
    Everytime a mouse hover a circle then the circle is drawn with a brighter color. Is there possible to do this using GDI or GDI+?
    I guess it is possible.
    Victor Nijegorodov

  3. #3
    Join Date
    Mar 2017
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    Re: How to visualize a trackball using 3 circles

    This will surely help you.
    http://http://web.cse.ohio-state.edu.../trackball.pdf
    If you like my answer, do rate my post.

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