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tqt3/examples/opengl/overlay
History
Michele Calgaro 1e9fa8e06d
Rename graphics class nt* related files to equivalent tq* (part 2) 		5 months ago
..
README Rename graphics class nt* related files to equivalent tq* (part 2) 5 months ago
globjwin.cpp Rename main window nt* related files to equivalent tq*. The file 5 months ago
globjwin.h Rename ntqwidget* related files to equivalent tqwidget* 7 months ago
glteapots.cpp Automated update from Qt3 12 years ago
glteapots.h Rename graphics class nt* related files to equivalent tq* (part 2) 5 months ago
main.cpp Rename graphics class nt* related files to equivalent tq* (part 2) 5 months ago
overlay.doc Rename graphics class nt* related files to equivalent tq* (part 2) 5 months 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 TQt OpenGL
Extension. It contains a TQGLWidget 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.