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/*
(c) Copyright 2000-2002 convergence integrated media GmbH.
(c) Copyright 2002-2003 Convergence GmbH.
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <sven@directfb.org> and
Ville Syrjala <syrjala@sci.fi>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <iostream>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <++dfb.h>
class Switcher {
public:
Switcher() {
}
virtual ~Switcher() {
}
static DFBEnumerationResult VideoModeCallback( int width,
int height,
int bpp,
void *callbackdata )
{
printf( " - %dx%d\n", width, height );
}
bool Init( int argc, char *argv[] ) {
bool list = false;
/* Parse the command line. */
if (argc != 2 || !argv[1] || !argv[1][0] ||
(sscanf( argv[1], "%dx%d", &m_width, &m_height ) < 2 &&
!(list = !strcmp( argv[1], "-l" )) ))
{
std::cerr << std::endl;
std::cerr << "Usage: " << argv[0] << " <width>x<height>" << std::endl;
std::cerr << std::endl;
return false;
}
/* Create the main interface. */
m_dfb = DirectFB::Create();
if (list) {
printf( "\nVideo Modes\n" );
m_dfb.EnumVideoModes( VideoModeCallback, NULL );
return false;
}
/* Get an interface to the primary layer. */
m_layer = m_dfb.GetDisplayLayer( DLID_PRIMARY );
return true;
}
void Run() {
DFBDisplayLayerConfig config;
/* This level allows window stack mode switches. */
m_layer.SetCooperativeLevel( DLSCL_ADMINISTRATIVE );
/* Get the current configuration. */
m_layer.GetConfiguration( &config );
/* Change width and height. */
config.width = m_width;
config.height = m_height;
/* Set the new configuration. */
m_layer.SetConfiguration( config );
}
private:
IDirectFB m_dfb;
IDirectFBDisplayLayer m_layer;
int m_width;
int m_height;
};
int
main(int argc, char *argv[])
{
Switcher app;
try {
/* Initialize DirectFB command line parsing. */
DirectFB::Init( &argc, &argv );
/* Parse remaining arguments and run. */
if (app.Init( argc, argv ))
app.Run();
}
catch (DFBException *ex) {
/*
* Exception has been caught, destructor of 'app' will deinitialize
* anything at return time (below) that got initialized until now.
*/
std::cerr << std::endl;
std::cerr << "Caught exception!" << std::endl;
std::cerr << " -- " << ex << std::endl;
}
return 0;
}
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