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tqt3/examples/opengl/overlay
History
Timothy Pearson c740211ffb
Automated update from Qt3 		12 years ago
..
README Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 13 years ago
globjwin.cpp Automated update from qt3 13 years ago
globjwin.h Automated update from Qt3 13 years ago
glteapots.cpp Automated update from Qt3 12 years ago
glteapots.h Automated update from Qt3 13 years ago
main.cpp Automated conversion from qt3 13 years ago
overlay.doc Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 13 years ago
overlay.pro Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 13 years ago

README 

The overlay example

This example program shows how to use OpenGL overlays with the Qt OpenGL
Extension. It contains a QGLWidget with a relatively expensive
redrawing operation, and rubber-band drawing in the overlay plane.
Using the overlay has the advantage that the rubber-band may be drawn
and erased without damaging the image in the main plane, so costly
redraws are avoided.