Remove ancient trunk folder from svn repository

[synfig.git] / ETL / ETL / _clock_system.h

diff --git a/ETL/ETL/_clock_system.h b/ETL/ETL/_clock_system.h
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+/*! ========================================================================
+** Extended Template and Library
+** Proc Clock Description Implementation
+** $Id$
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package 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
+** General Public License for more details.
+**
+** === N O T E S ===========================================================
+**
+** This is an internal header file, included by other ETL headers.
+** You should not attempt to use it directly.
+**
+** ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __ETL__CLOCK_SYSTEM_H
+#define __ETL__CLOCK_SYSTEM_H
+
+/* === H E A D E R S ======================================================= */
+
+#ifndef _WIN32
+# include <time.h>
+# define __sys_clock   ::clock
+# define __sys_time    ::time
+#else
+# ifdef __GNUG__
+#  include <time.h>
+#  define __sys_clock  ::clock
+#  define __sys_time   ::time
+# else
+typedef int clock_t;
+typedef int time_t;
+extern clock_t _clock();
+extern time_t _time(time_t *);
+#  define CLOCKS_PER_SEC 1000
+#  define __sys_clock  _clock
+#  define __sys_time   _time
+# endif
+#endif
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+_ETL_BEGIN_NAMESPACE
+
+class clock_desc_sys_clock
+{
+public:
+       typedef float value_type;
+
+       inline static bool realtime()
+       { return false; }
+
+       inline static bool proctime()
+       { return true; }
+
+       inline static value_type
+       one_second()
+       { return 1.0f; }
+
+       inline static value_type precision()
+       { return one_second()/(value_type)CLOCKS_PER_SEC; }
+
+       inline static const char *description()
+       { return "ANSI C clock()"; };
+
+protected:
+       typedef clock_t timestamp;
+
+       static void
+       get_current_time(timestamp &time)
+       { time=__sys_clock(); }
+
+       static timestamp
+       get_current_time()
+       { return __sys_clock(); }
+
+       static value_type
+       timestamp_to_seconds(const timestamp &x)
+       { return precision()*x; }
+
+       static timestamp
+       seconds_to_timestamp(const value_type &x)
+       { return (timestamp)(x*(value_type)CLOCKS_PER_SEC+0.5); }
+
+};
+
+class clock_desc_sys_time
+{
+public:
+       typedef float value_type;
+
+       inline static bool realtime()
+       { return true; }
+
+       inline static bool proctime()
+       { return false; }
+
+       inline static value_type
+       one_second()
+       { return 1.0f; }
+
+       inline static value_type precision()
+       { return one_second(); }
+
+       inline static const char *description()
+       { return "ANSI C time()"; };
+
+protected:
+       typedef time_t timestamp;
+
+       static void
+       get_current_time(timestamp &time)
+       { __sys_time(&time); }
+
+       static timestamp
+       get_current_time()
+       { return __sys_time(NULL); }
+
+       static value_type
+       timestamp_to_seconds(const timestamp &x)
+       { return (value_type)x; }
+
+       static timestamp
+       seconds_to_timestamp(const value_type &x)
+       { return (timestamp)(x+(value_type)0.5f); }
+};
+
+_ETL_END_NAMESPACE
+
+/* === E N D =============================================================== */
+
+#endif