Guidance Forums / wxWidgets (wxWindows) in C++ / Print openGL-Guidance指路人

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1. Print openGL

#5150

Posted by: 2004-09-24 05:54:39

Hello bodies, is there any way to print ap OpenGL context to the printer hardware with wxWindows classes.
Thanks

Oli...

2. Re: Print openGL

#5207

Posted by: 2004-10-08 04:17:06

1. create a bitmap located in the memory
2. read pixels form the color buffer using glReadPixels() to the address your bitmap's pixels are (using the pointer to the first pixel)
3. BitBlt() or StretchBlt() it in the printer's device context

The picture may be vertically flipped.

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