Corners of the screen?

Graphics and GPU Programming Programming

Started by MadsGustaf December 30, 2007 03:03 PM

4 comments, last by OrangyTang 16 years, 3 months ago

144

Author

December 30, 2007 03:03 PM

Is there any way to get the coordinates for the screen window? If for example i want to fill the upper-half of the window with an image?

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Kaze

948

December 30, 2007 03:04 PM

what library are you using to open the window?
(win32,glfw ,glut )?

MadsGustaf

144

Author

December 30, 2007 03:20 PM

win32

bovinedragon

122

December 30, 2007 05:33 PM

http://msdn2.microsoft.com/en-us/library/ms633519(VS.85).aspx

MadsGustaf

144

Author

December 30, 2007 06:21 PM

How exactly would i draw the image with OpenGL? Doesn't win32 use pixels and OpenGL units as lenght units? I am not quite sure how i would use the information given by bovinedragon. The only way i can see, is if i draw it with windows, but then i would have to set up my ugly bitmap class again. Is there no other way?

OrangyTang

1,298

December 30, 2007 06:27 PM

You can use glOrtho() to set the openGL coord system to be exactly the same as the window size in pixels. Then you can draw using pixel coords and it'll work as expected.

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Corners of the screen?

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Corners of the screen?

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