/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 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
*/
+#ifndef LIBDCP_UTIL_H
+#define LIBDCP_UTIL_H
+
/** @file src/util.h
* @brief Utility methods.
*/
+#include "types.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/function.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/optional.hpp>
+#include <openjpeg.h>
#include <string>
-#include <sigc++/sigc++.h>
+#include <stdint.h>
+
+namespace xmlpp {
+ class Element;
+}
+
+namespace dcp {
-namespace libdcp {
+class ARGBFrame;
+class CertificateChain;
+class GammaLUT;
+class XYZFrame;
-/** Create a UUID.
- * @return UUID.
+/** @struct Size
+ * @brief The integer, two-dimensional size of something.
*/
+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::ostream& operator<< (std::ostream& s, Size const & a);
+
extern std::string make_uuid ();
+extern std::string make_digest (boost::filesystem::path 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);
-/** Create a digest for a file.
- * @param filename File name.
- * @param progress If non-0, a signal which will be emitted periodically to update
- * progress; the parameter will start at 0.5 and proceed to 1.
- * @return Digest.
- */
-extern std::string make_digest (std::string filename, sigc::signal1<void, float>* progress);
+extern void init ();
+
+extern void sign (xmlpp::Element* parent, CertificateChain const & certificates, boost::filesystem::path signer_key, Standard standard);
+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 boost::optional<boost::filesystem::path> relative_to_root (boost::filesystem::path root, boost::filesystem::path file);
+extern std::string tm_to_string (struct tm *);
+extern std::string utc_offset_to_string (int);
+extern std::string ptime_to_string (boost::posix_time::ptime);
+extern FILE * fopen_boost (boost::filesystem::path, std::string);
-extern std::string content_type_to_string (ContentType type);
-extern bool ends_with (std::string big, std::string little);
+template <class F, class T>
+std::list<boost::shared_ptr<T> >
+list_of_type (std::list<boost::shared_ptr<F> > const & from)
+{
+ std::list<boost::shared_ptr<T> > out;
+ for (typename std::list<boost::shared_ptr<F> >::const_iterator i = from.begin(); i != from.end(); ++i) {
+ boost::shared_ptr<T> check = boost::dynamic_pointer_cast<T> (*i);
+ if (check) {
+ out.push_back (check);
+ }
+ }
+
+ return out;
+}
}
+
+#endif