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/*
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 "subtitle_content.h"
#include "util.h"
#include "exceptions.h"
#include "i18n.h"
using std::string;
using std::vector;
using boost::shared_ptr;
using boost::lexical_cast;
using boost::dynamic_pointer_cast;
int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
int const SubtitleContentProperty::SUBTITLE_SCALE = 502;
SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
: Content (f, p)
, _subtitle_x_offset (0)
, _subtitle_y_offset (0)
, _subtitle_scale (1)
{
}
SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
: Content (f, node)
, _subtitle_x_offset (0)
, _subtitle_y_offset (0)
, _subtitle_scale (1)
{
LocaleGuard lg;
if (version >= 7) {
_subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
_subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
} else {
_subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
}
_subtitle_scale = node->number_child<float> ("SubtitleScale");
}
SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
: Content (f, c)
{
shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
assert (ref);
for (size_t i = 0; i < c.size(); ++i) {
shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
throw JoinError (_("Content to be joined must have the same subtitle X offset."));
}
if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
}
if (sc->subtitle_scale() != ref->subtitle_scale()) {
throw JoinError (_("Content to be joined must have the same subtitle scale."));
}
}
_subtitle_x_offset = ref->subtitle_x_offset ();
_subtitle_y_offset = ref->subtitle_y_offset ();
_subtitle_scale = ref->subtitle_scale ();
}
void
SubtitleContent::as_xml (xmlpp::Node* root) const
{
LocaleGuard lg;
root->add_child("SubtitleXOffset")->add_child_text (lexical_cast<string> (_subtitle_x_offset));
root->add_child("SubtitleYOffset")->add_child_text (lexical_cast<string> (_subtitle_y_offset));
root->add_child("SubtitleScale")->add_child_text (lexical_cast<string> (_subtitle_scale));
}
void
SubtitleContent::set_subtitle_x_offset (double o)
{
{
boost::mutex::scoped_lock lm (_mutex);
_subtitle_x_offset = o;
}
signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
}
void
SubtitleContent::set_subtitle_y_offset (double o)
{
{
boost::mutex::scoped_lock lm (_mutex);
_subtitle_y_offset = o;
}
signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
}
void
SubtitleContent::set_subtitle_scale (double s)
{
{
boost::mutex::scoped_lock lm (_mutex);
_subtitle_scale = s;
}
signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);
}
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