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tqt3/examples/opengl/overlay
History
Michele Calgaro 3e98ce7f85
qt -> tqt conversion: 		6 years ago
..
README Automated update from Qt3 10 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 qt -> tqt conversion: 6 years ago
overlay.pro
…

README 

The overlay example

This example program shows how to use OpenGL overlays with the TQt 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.