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Diffstat (limited to 'src/lib/imagemagick_encoder.cc')
| -rw-r--r-- | src/lib/imagemagick_encoder.cc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/lib/imagemagick_encoder.cc b/src/lib/imagemagick_encoder.cc new file mode 100644 index 000000000..b7b79ed0c --- /dev/null +++ b/src/lib/imagemagick_encoder.cc @@ -0,0 +1,99 @@ +/* + 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. + +*/ + +/** @file src/imagemagick_encoder.cc + * @brief An encoder that writes image files using ImageMagick (and does nothing with audio). + */ + +#include <stdexcept> +#include <vector> +#include <sstream> +#include <iomanip> +#include <iostream> +#include <fstream> +#include <boost/filesystem.hpp> +#include <Magick++/Image.h> +#include "imagemagick_encoder.h" +#include "film.h" +#include "film_state.h" +#include "options.h" +#include "exceptions.h" +#include "image.h" +#include "subtitle.h" + +using namespace std; +using namespace boost; + +/** @param s FilmState of the film that we are encoding. + * @param o Options. + * @param l Log. + */ +ImageMagickEncoder::ImageMagickEncoder (shared_ptr<const FilmState> s, shared_ptr<const Options> o, Log* l) + : Encoder (s, o, l) +{ + +} + +void +ImageMagickEncoder::process_video (shared_ptr<Image> image, int frame, shared_ptr<Subtitle> sub) +{ + shared_ptr<Image> scaled = image->scale_and_convert_to_rgb (_opt->out_size, _opt->padding, _fs->scaler); + + string tmp_file = _opt->frame_out_path (frame, true); + Magick::Image thumb (_opt->out_size.width, _opt->out_size.height, "RGB", MagickCore::CharPixel, scaled->data()[0]); + thumb.magick ("PNG"); + thumb.write (tmp_file); + filesystem::rename (tmp_file, _opt->frame_out_path (frame, false)); + + if (sub) { + float const x_scale = float (_opt->out_size.width) / _fs->size.width; + float const y_scale = float (_opt->out_size.height) / _fs->size.height; + + string tmp_metadata_file = _opt->frame_out_path (frame, false, ".sub"); + ofstream metadata (tmp_metadata_file.c_str ()); + + list<shared_ptr<SubtitleImage> > images = sub->images (); + int n = 0; + for (list<shared_ptr<SubtitleImage> >::iterator i = images.begin(); i != images.end(); ++i) { + stringstream ext; + ext << ".sub." << n << ".png"; + + Size new_size = (*i)->image()->size (); + new_size.width *= x_scale; + new_size.height *= y_scale; + shared_ptr<Image> scaled = (*i)->image()->scale (new_size, _fs->scaler); + + string tmp_sub_file = _opt->frame_out_path (frame, true, ext.str ()); + Magick::Image sub_thumb (scaled->size().width, scaled->size().height, "RGBA", MagickCore::CharPixel, scaled->data()[0]); + sub_thumb.magick ("PNG"); + sub_thumb.write (tmp_sub_file); + filesystem::rename (tmp_sub_file, _opt->frame_out_path (frame, false, ext.str ())); + + metadata << "image " << n << "\n" + << "x " << (*i)->position().x << "\n" + << "y " << (*i)->position().y << "\n"; + + metadata.close (); + filesystem::rename (tmp_metadata_file, _opt->frame_out_path (frame, false, ".sub")); + } + + } + + frame_done (frame); +} |
