C++ ArgParse::argFloats方法代码示例

int main( int argc, const char** argv )
{
	std::signal(SIGINT, aqsisSignalHandler);
	std::signal(SIGABRT, aqsisSignalHandler);
	RtInt returnCode = 0;

	StartMemoryDebugging();
	{
		ArgParse ap;
		ap.usageHeader( ArgParse::apstring( "Aqsis command line renderer\nUsage: " ) + argv[ 0 ] + " [options] [RIB file...]" );
		ap.argFlag( "help", "\aPrint this help and exit", &g_cl_help );
		ap.alias( "help" , "h" );
		ap.argFlag( "version", "\aPrint version information and exit", &g_cl_version );
		ap.argFlag( "pause", "\aWait for a keypress on completion", &g_cl_pause );
		ap.argFlag( "progress", "\aPrint progress information", &g_cl_progress );
		ap.argFlag( "Progress", "\aPrint PRMan-compatible progress information (ignores -progressformat)", &g_cl_Progress );
		ap.argString( "progressformat", "=string\aprintf-style format string for -progress", &g_cl_strprogress );
		ap.argInt( "endofframe", "=integer\aEquivalent to \"endofframe\" RIB option", &g_cl_endofframe );
		ap.argInt( "verbose", "=integer\aSet log output level\n"
		           "\a0 = errors\n"
		           "\a1 = warnings (default)\n"
		           "\a2 = information\n"
		           "\a3 = debug", &g_cl_verbose );
		ap.alias( "verbose", "v" );
		ap.argFlag( "echoapi", "\aEcho all RI API calls to the log output (experimental)", &g_cl_echoapi);

		ap.argInt( "priority", "=integer\aControl the priority class of aqsis.\n"
			"\a0 = idle\n"
			"\a1 = normal\n"
			"\a2 = high\n"
			"\a3 = RT", &g_cl_priority);
		ap.alias( "priority", "z");
		
		ap.argString( "type", "=string\aSpecify a display device type to use", &g_cl_type );
		ap.argString( "addtype", "=string\aSpecify a display device type to add", &g_cl_addtype );
		ap.argString( "mode", "=string\aSpecify a display device mode to use", &g_cl_mode );
		ap.argFlag( "fb", "\aSame as --type=\"framebuffer\" --mode=\"rgb\"", &g_cl_fb );
		ap.alias( "fb", "d" );
		ap.argFloats( "crop", " x1 x2 y1 y2\aSpecify a crop window, values are in screen space.", &g_cl_cropWindow, ArgParse::SEP_ARGV, 4);
		ap.argFlag( "nocolor", "\aDisable colored output", &g_cl_no_color );
		ap.argFlag( "beep", "\aBeep on completion of all ribs", &g_cl_beep );
		ap.alias( "nocolor", "nc" );
		ap.argInts( "res", " x y\aSpecify the resolution of the render.", &g_cl_res, ArgParse::SEP_ARGV, 2);
		ap.argStrings( "option", "=string\aA valid RIB Option string, can be specified multiple times.", &g_cl_options);
#		ifdef AQSIS_SYSTEM_POSIX
		ap.argFlag( "syslog", "\aLog messages to syslog", &g_cl_syslog );
#		endif // AQSIS_SYSTEM_POSIX
#		if ENABLE_MPDUMP
		ap.argFlag( "mpdump", "\aOutput MP list to a custom 'dump' file", &g_cl_mpdump );
#		endif // ENABLE_MPDUMP

		ap.argString( "shaders", "=string\aOverride the default shader searchpath(s)", &g_cl_shader_path );
		ap.argString( "archives", "=string\aOverride the default archive searchpath(s)", &g_cl_archive_path );
		ap.argString( "textures", "=string\aOverride the default texture searchpath(s)", &g_cl_texture_path );
		ap.argString( "displays", "=string\aOverride the default display searchpath(s)", &g_cl_display_path );
		ap.argString( "procedurals", "=string\aOverride the default procedural searchpath(s)", &g_cl_procedural_path );
		ap.allowUnrecognizedOptions();

		if ( argc > 1 && !ap.parse( argc - 1, argv + 1 ) )
		{
			Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
			return( 1 );
		}

		// Check that the number of arguments to crop are valid if specified.
		if ( g_cl_cropWindow.size() > 0 && g_cl_cropWindow.size() != 4 )
		{
			Aqsis::log() << Aqsis::error << "Invalid number of arguments to -crop, expected 4, got " << g_cl_cropWindow.size() << std::endl;
			g_cl_help = true;
		}

		if ( g_cl_help )
		{
			std::cout << ap.usagemsg();
			return( 0 );
		}

		if ( g_cl_version )
		{
			std::cout << "aqsis version " << AQSIS_VERSION_STR_FULL
#			ifdef _DEBUG
			<< " (debug build)"
#			endif
			<< "\n"
			<< "compiled " << __DATE__ << " " << __TIME__ << "\n";
			return( 0 );
		}

#		ifdef	AQSIS_SYSTEM_WIN32
		std::auto_ptr<std::streambuf> ansi( new Aqsis::ansi_buf(Aqsis::log()) );
#		endif

		std::auto_ptr<std::streambuf> reset_level( new Aqsis::reset_level_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> show_timestamps( new Aqsis::timestamp_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> fold_duplicates( new Aqsis::fold_duplicates_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> color_level;
		if(!g_cl_no_color)
		{
			std::auto_ptr<std::streambuf> temp_color_level( new Aqsis::color_level_buf(Aqsis::log()) );
			color_level = temp_color_level;
//.........这里部分代码省略.........