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Diffstat (limited to 'examples/opengl/overlay/main.cpp')
-rw-r--r-- | examples/opengl/overlay/main.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/examples/opengl/overlay/main.cpp b/examples/opengl/overlay/main.cpp new file mode 100644 index 000000000..3844704fd --- /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 TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ +// +// TQt OpenGL example: Box +// +// A small example showing how a GLWidget can be used just as any TQt widget +// +// File: main.cpp +// +// The main() function +// + +#include "globjwin.h" +#include <qapplication.h> +#include <qgl.h> +#include <qmessagebox.h> + +/* + The main program is here. +*/ + +int main( int argc, char **argv ) +{ + TQApplication::setColorSpec( TQApplication::CustomColor ); + TQApplication a(argc,argv); + + if ( !TQGLFormat::hasOpenGL() ) { + qWarning( "This system has no OpenGL support. Exiting." ); + return -1; + } + + // Check for existence of overlays + if ( !TQGLFormat::hasOpenGLOverlays() ) { + TQMessageBox::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(); +} |