From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- examples/opengl/overlay/main.cpp | 52 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 examples/opengl/overlay/main.cpp (limited to 'examples/opengl/overlay/main.cpp') diff --git a/examples/opengl/overlay/main.cpp b/examples/opengl/overlay/main.cpp new file mode 100644 index 0000000..2939ecb --- /dev/null +++ b/examples/opengl/overlay/main.cpp @@ -0,0 +1,52 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ +// +// Qt OpenGL example: Box +// +// A small example showing how a GLWidget can be used just as any Qt widget +// +// File: main.cpp +// +// The main() function +// + +#include "globjwin.h" +#include +#include +#include + +/* + The main program is here. +*/ + +int main( int argc, char **argv ) +{ + QApplication::setColorSpec( QApplication::CustomColor ); + QApplication a(argc,argv); + + if ( !QGLFormat::hasOpenGL() ) { + qWarning( "This system has no OpenGL support. Exiting." ); + return -1; + } + + // Check for existence of overlays + if ( !QGLFormat::hasOpenGLOverlays() ) { + QMessageBox::critical( 0, qApp->argv()[0], + "This system does not support OpenGL overlays", + "Exit" ); + return 1; + } + + GLObjectWindow w; + w.resize( 400, 350 ); + a.setMainWidget( &w ); + + w.show(); + return a.exec(); +} -- cgit v1.2.3