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/*******************************************************************************
* metadata.h
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
* ---------------------------------------------------------------------------
* $File: //depot/public/povray/3.x/source/base/image/metadata.h $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
#ifndef POVRAY_BASE_METADATA_H
#define POVRAY_BASE_METADATA_H
#include <string>
#include <boost/date_time/gregorian/gregorian.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "backend/povray.h"
namespace pov_base
{
/// Generates metadata to write into output images.
class Metadata
{
public:
Metadata()
{
boost::posix_time::ptime timestamp = boost::posix_time::second_clock::universal_time();
date = timestamp.date();
time = timestamp.time_of_day();
}
virtual ~Metadata(){}
/**
* Get software string.
* @note This method should return at most 40 ascii bytes, otherwise it may become truncated by some file formats.
* non-printable characters, line feeds and tabs are not allowed.
*/
static string getSoftware() { return "POV-Ray " POV_RAY_VERSION;}
/* Up to 4 comments, each at most 80 ascii bytes, no line feed, no tab
* if it's longer, it can either fit anyway or get truncated, it's the
* image format which choose what happen.
*/
/**
* Get comment string #1.
* @note This method should return at most 80 ascii bytes, otherwise it may become truncated by some file formats.
* non-printable characters, line feeds and tabs are not allowed.
*/
static string getComment1()
{
#ifdef METADATA_PLATFORM_STRING
// METADATA_PLATFORM_STRING should be in a form similar to 'i686-pc-linux-gnu', 'i386-pc-win', etc.
return string("Platform: ") + METADATA_PLATFORM_STRING;
#else
return string();
#endif
}
/**
* Get comment string #2.
* @note This method should return at most 80 ascii bytes, otherwise it may become truncated by some file formats.
* non-printable characters, line feeds and tabs are not allowed.
*/
static string getComment2()
{
#ifdef METADATA_COMPILER_STRING
// METADATA_COMPILER_STRING should be in a form similar to 'g++ 4.4.3', 'msvc 10.0', etc.
return string("Compiler: ") + METADATA_COMPILER_STRING;
#else
return string();
#endif
}
/**
* Get comment string #3.
* @note This method should return at most 80 ascii bytes, otherwise it may become truncated by some file formats.
* non-printable characters, line feeds and tabs are not allowed.
*/
static string getComment3()
{
#ifdef METADATA_COMMENT_3
// NB it is legal for METADATA_COMMENT_3 to be a function returning string
// Note that it may be called more than once
return string(METADATA_COMMENT_3);
#else
return string();
#endif
}
/**
* Get comment string #4.
* @note This method should return at most 80 ascii bytes, otherwise it may become truncated by some file formats.
* non-printable characters, line feeds and tabs are not allowed.
*/
static string getComment4()
{
#ifdef METADATA_COMMENT_4
// NB it is legal for METADATA_COMMENT_4 to be a function returning string
// Note that it may be called more than once
return string(METADATA_COMMENT_4);
#else
return string();
#endif
}
/// Get date string in ISO 8601 format.
string getDateTime() const { return to_iso_extended_string(date) + " " + to_simple_string(time) + "Z"; }
/// Get year (including full century)
int getYear() const { return date.year(); }
/// Get month (1..12)
int getMonth() const { return date.month(); }
/// Get day of month (1..31)
int getDay() const { return date.day(); }
/// Get hour of day (0..23)
int getHour() const { return time.hours(); }
/// Get minute of hour (0..59)
int getMin() const { return time.minutes(); }
/// Get second of minute (0..59)
int getSec() const { return time.seconds(); }
protected:
boost::gregorian::date date;
boost::posix_time::time_duration time;
};
}
#endif
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