Merge still/moving image classes.

1 files changed, 143 insertions, 0 deletions

diff --git a/src/lib/image_content.cc b/src/lib/image_content.cc
new file mode 100644
index 000000000..9259242a0
--- /dev/null
+++ b/src/lib/image_content.cc
@@ -0,0 +1,143 @@
+/*
+    Copyright (C) 2013 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.
+
+*/
+
+#include <libcxml/cxml.h>
+#include "image_content.h"
+#include "image_examiner.h"
+#include "config.h"
+#include "compose.hpp"
+#include "film.h"
+#include "job.h"
+
+#include "i18n.h"
+
+using std::string;
+using std::cout;
+using std::stringstream;
+using boost::shared_ptr;
+
+ImageContent::ImageContent (shared_ptr<const Film> f, boost::filesystem::path p)
+	: Content (f)
+	, VideoContent (f)
+{
+	if (boost::filesystem::is_regular_file (p)) {
+		_paths.push_back (p);
+	} else {
+		for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
+			if (boost::filesystem::is_regular_file (i->path()) && valid_image_file (i->path())) {
+				_paths.push_back (i->path ());
+			}
+		}
+		
+		sort (_paths.begin(), _paths.end());
+	}
+}
+
+
+ImageContent::ImageContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+	: Content (f, node)
+	, VideoContent (f, node)
+{
+	
+}
+
+string
+ImageContent::summary () const
+{
+	/* Get the string() here so that the name does not have quotes around it */
+	if (still ()) {
+		return String::compose (_("%1 [still]"), path().filename().string());
+	}
+
+	return String::compose (_("%1 [moving images]"), path().filename().string());
+}
+
+string
+ImageContent::technical_summary () const
+{
+	string s = Content::technical_summary() + " - "
+		+ VideoContent::technical_summary() + " - ";
+
+	if (still ()) {
+		s += _("still");
+	} else {
+		s += _("moving");
+	}
+
+	return s;
+}
+
+void
+ImageContent::as_xml (xmlpp::Node* node) const
+{
+	node->add_child("Type")->add_child_text ("Image");
+	Content::as_xml (node);
+	VideoContent::as_xml (node);
+}
+
+void
+ImageContent::examine (shared_ptr<Job> job)
+{
+	job->sub (_("Computing digest"));
+	Content::examine (job);
+
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+	
+	shared_ptr<ImageExaminer> examiner (new ImageExaminer (film, shared_from_this(), job));
+
+	take_from_video_examiner (examiner);
+	set_video_length (examiner->video_length ());
+}
+
+void
+ImageContent::set_video_length (VideoContent::Frame len)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_video_length = len;
+	}
+
+	signal_changed (ContentProperty::LENGTH);
+}
+
+Time
+ImageContent::full_length () const
+{
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+	
+	FrameRateConversion frc (video_frame_rate(), film->video_frame_rate ());
+	return video_length() * frc.factor() * TIME_HZ / video_frame_rate();
+}
+
+string
+ImageContent::identifier () const
+{
+	stringstream s;
+	s << VideoContent::identifier ();
+	s << "_" << video_length();
+	return s.str ();
+}
+
+bool
+ImageContent::still () const
+{
+	return number_of_paths() == 1;
+}