/* (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() { /* Clear them for non-null check in destructor. */ m_dfb = NULL; m_layer = NULL; } virtual ~Switcher() { /* Release the layer interface. */ if (m_layer != NULL) m_layer->Release(); /* Release the main interface. */ if (m_dfb != NULL) m_dfb->Release(); } bool Init( int argc, char *argv[] ) { /* Parse the command line. */ if (argc != 2 || !argv[1] || !argv[1][0] || sscanf( argv[1], "%dx%d", &m_width, &m_height ) < 2) { 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(); /* 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; }