diff options
Diffstat (limited to 'Source/++DFB/examples/dfbshow.cpp')
-rwxr-xr-x | Source/++DFB/examples/dfbshow.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/Source/++DFB/examples/dfbshow.cpp b/Source/++DFB/examples/dfbshow.cpp new file mode 100755 index 0000000..fa4152e --- /dev/null +++ b/Source/++DFB/examples/dfbshow.cpp @@ -0,0 +1,113 @@ +/* + (c) Copyright 2000-2002 convergence integrated media GmbH. + All rights reserved. + + Written by Denis Oliver Kropp <dok@convergence.de>, + Andreas Hundt <andi@convergence.de> and + Sven Neumann <sven@convergence.de> + + 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. +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <iostream> + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> + +#include <++dfb.h> + +#include "dfbapp.h" +#include "dfbimage.h" + +class DFBShow : public DFBApp { +public: + DFBShow() { + } + + virtual ~DFBShow() { + } + +private: + /* called after initialization */ + virtual bool Setup( int width, int height ) { + m_image.LoadImage( m_filename ); + + return true; + } + + /* render callback */ + virtual void Render( IDirectFBSurface &surface ) { + int x = ((int) surface.GetWidth() - (int) m_image.GetWidth()) / 2; + int y = ((int) surface.GetHeight() - (int) m_image.GetHeight()) / 2; + + surface.Clear(); + + m_image.PrepareTarget( surface ); + + surface.Blit( m_image, NULL, x, y ); + } + + bool ParseArgs( int argc, char *argv[] ) { + /* Parse the command line. */ + if (argc != 2 || !argv[1] || !argv[1][0]) { + std::cerr << std::endl; + std::cerr << "Usage: " << argv[0] << " <filename>" << std::endl; + std::cerr << std::endl; + return false; + } + + /* Create the main interface. */ + m_filename = argv[1]; + + return true; + } + +private: + std::string m_filename; + DFBImage m_image; +}; + +int +main( int argc, char *argv[] ) +{ + DFBShow 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; +} + |