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How get a DC of *part* of the client area (OpenGL question)

Posted on 2003-03-30
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Last Modified: 2013-11-20
Is this possible?  I would like to be able to declare only part of a dialog as an OpenGL rendering context, for example if I have an 800x400 window, I'd like to put controls in the left 200x400 and make the right 600x400 the rendering context.

Thanks in advance.
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Question by:DalTXColtsFan
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Expert Comment

by:LarryKing
ID: 8236142
You can create a child window covers the right 600*400 area, and get the rendering context of the child window.
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by:DalTXColtsFan
ID: 8236351
Thanks but not quite the answer I was looking for - in addition to creating a child window, I can also draw a frame and assign a CStatic member variable to it, then use the CStatic's GetDC() method to do the same thing.

So more what I was looking for is a way to get a DC for part of a window.

Any ideas?
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Expert Comment

by:Hermetic
ID: 8236632
You should be able to use GetDCEx and pass a clipping region that limits you to the area you wish to draw in.
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Expert Comment

by:williamcampbell
ID: 8241355

 
  I'm not familiar with OpenGL but for DirectX you set up a clipper for the region you want to work with. I'm sure Opengl has something similiar.
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by:modulo
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Dear expert(s),

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Expert Comment

by:williamcampbell
ID: 8345017

 Agree
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