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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program 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 program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LIBDCP_UTIL_H
#define LIBDCP_UTIL_H
/** @file src/util.h
* @brief Utility methods.
*/
#include <string>
#include <stdint.h>
#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/filesystem.hpp>
#include <openjpeg.h>
#include "types.h"
namespace xmlpp {
class Element;
}
namespace libdcp {
class ARGBFrame;
class CertificateChain;
class GammaLUT;
class XYZFrame;
struct Size {
Size ()
: width (0)
, height (0)
{}
Size (int w, int h)
: width (w)
, height (h)
{}
float ratio () const {
return float (width) / height;
}
int width;
int height;
};
extern bool operator== (Size const & a, Size const & b);
extern bool operator!= (Size const & a, Size const & b);
extern std::string make_uuid ();
extern std::string make_digest (std::string filename, boost::function<void (float)> *);
extern std::string content_kind_to_string (ContentKind kind);
extern ContentKind content_kind_from_string (std::string kind);
extern bool empty_or_white_space (std::string s);
extern boost::shared_ptr<XYZFrame> decompress_j2k (uint8_t* data, int64_t size, int reduce);
extern void init ();
extern void sign (xmlpp::Element* parent, CertificateChain const & certificates, boost::filesystem::path signer_key, bool interop);
extern void add_signature_value (xmlpp::Element* parent, CertificateChain const & certificates, boost::filesystem::path signer_key, std::string const & ns);
extern void add_signer (xmlpp::Element* parent, CertificateChain const & certificates, std::string const & ns);
extern int base64_decode (std::string const & in, unsigned char* out, int out_length);
extern std::string tm_to_string (struct tm *);
extern std::string utc_offset_to_string (boost::posix_time::time_duration);
extern std::string ptime_to_string (boost::posix_time::ptime);
extern FILE * fopen_boost (boost::filesystem::path, std::string);
}
#endif
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