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Diffstat (limited to 'src/gtk/film_viewer.cc')
| -rw-r--r-- | src/gtk/film_viewer.cc | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/gtk/film_viewer.cc b/src/gtk/film_viewer.cc deleted file mode 100644 index 1d50c2f88..000000000 --- a/src/gtk/film_viewer.cc +++ /dev/null @@ -1,218 +0,0 @@ -/* - 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/film_viewer.cc - * @brief A GTK widget to view `thumbnails' of a Film. - */ - -#include <iostream> -#include <iomanip> -#include "lib/film.h" -#include "lib/format.h" -#include "lib/util.h" -#include "lib/thumbs_job.h" -#include "lib/job_manager.h" -#include "lib/film_state.h" -#include "lib/options.h" -#include "film_viewer.h" - -using namespace std; -using namespace boost; - -FilmViewer::FilmViewer (Film* f) - : _film (f) -{ - _scroller.add (_image); - - Gtk::HBox* controls = manage (new Gtk::HBox); - controls->set_spacing (6); - controls->pack_start (_position_slider); - - _vbox.pack_start (_scroller, true, true); - _vbox.pack_start (*controls, false, false); - _vbox.set_border_width (12); - - _position_slider.set_digits (0); - _position_slider.signal_format_value().connect (sigc::mem_fun (*this, &FilmViewer::format_position_slider_value)); - _position_slider.signal_value_changed().connect (sigc::mem_fun (*this, &FilmViewer::position_slider_changed)); - - _scroller.signal_size_allocate().connect (sigc::mem_fun (*this, &FilmViewer::scroller_size_allocate)); - - set_film (_film); -} - -void -FilmViewer::load_thumbnail (int n) -{ - if (_film == 0 || _film->num_thumbs() <= n) { - return; - } - - int const left = _film->left_crop (); - int const right = _film->right_crop (); - int const top = _film->top_crop (); - int const bottom = _film->bottom_crop (); - - _pixbuf = Gdk::Pixbuf::create_from_file (_film->thumb_file (n)); - - int const cw = _film->size().width - left - right; - int const ch = _film->size().height - top - bottom; - _cropped_pixbuf = Gdk::Pixbuf::create_subpixbuf (_pixbuf, left, top, cw, ch); - update_scaled_pixbuf (); - _image.set (_scaled_pixbuf); -} - -void -FilmViewer::reload_current_thumbnail () -{ - load_thumbnail (_position_slider.get_value ()); -} - -void -FilmViewer::position_slider_changed () -{ - reload_current_thumbnail (); -} - -string -FilmViewer::format_position_slider_value (double v) const -{ - stringstream s; - - if (_film && int (v) < _film->num_thumbs ()) { - int const f = _film->thumb_frame (int (v)); - s << f << " " << seconds_to_hms (f / _film->frames_per_second ()); - } else { - s << "-"; - } - - return s.str (); -} - -void -FilmViewer::film_changed (Film::Property p) -{ - if (p == Film::LEFT_CROP || p == Film::RIGHT_CROP || p == Film::TOP_CROP || p == Film::BOTTOM_CROP) { - reload_current_thumbnail (); - } else if (p == Film::THUMBS) { - if (_film && _film->num_thumbs() > 1) { - _position_slider.set_range (0, _film->num_thumbs () - 1); - } else { - _image.clear (); - _position_slider.set_range (0, 1); - } - - _position_slider.set_value (0); - reload_current_thumbnail (); - } else if (p == Film::FORMAT) { - reload_current_thumbnail (); - } else if (p == Film::CONTENT) { - setup_visibility (); - _film->examine_content (); - update_thumbs (); - } -} - -void -FilmViewer::set_film (Film* f) -{ - _film = f; - - if (!_film) { - _image.clear (); - return; - } - - _film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed)); - - film_changed (Film::THUMBS); -} - -pair<int, int> -FilmViewer::scaled_pixbuf_size () const -{ - if (_film == 0) { - return make_pair (0, 0); - } - - int const cw = _film->size().width - _film->left_crop() - _film->right_crop(); - int const ch = _film->size().height - _film->top_crop() - _film->bottom_crop(); - - float ratio = 1; - if (_film->format()) { - ratio = _film->format()->ratio_as_float() * ch / cw; - } - - Gtk::Allocation const a = _scroller.get_allocation (); - float const zoom = min (float (a.get_width()) / (cw * ratio), float (a.get_height()) / cw); - return make_pair (cw * zoom * ratio, ch * zoom); -} - -void -FilmViewer::update_scaled_pixbuf () -{ - pair<int, int> const s = scaled_pixbuf_size (); - - if (s.first > 0 && s.second > 0 && _cropped_pixbuf) { - _scaled_pixbuf = _cropped_pixbuf->scale_simple (s.first, s.second, Gdk::INTERP_HYPER); - _image.set (_scaled_pixbuf); - } -} - -void -FilmViewer::update_thumbs () -{ - if (!_film) { - return; - } - - _film->update_thumbs_pre_gui (); - - shared_ptr<const FilmState> s = _film->state_copy (); - shared_ptr<Options> o (new Options (s->dir ("thumbs"), ".tiff", "")); - o->out_size = _film->size (); - o->apply_crop = false; - o->decode_audio = false; - o->decode_video_frequency = 128; - - shared_ptr<Job> j (new ThumbsJob (s, o, _film->log ())); - j->Finished.connect (sigc::mem_fun (_film, &Film::update_thumbs_post_gui)); - JobManager::instance()->add (j); -} - -void -FilmViewer::scroller_size_allocate (Gtk::Allocation a) -{ - if (a.get_width() != _last_scroller_allocation.get_width() || a.get_height() != _last_scroller_allocation.get_height()) { - update_scaled_pixbuf (); - } - - _last_scroller_allocation = a; -} - -void -FilmViewer::setup_visibility () -{ - if (!_film) { - return; - } - - ContentType const c = _film->content_type (); - _position_slider.property_visible() = (c == VIDEO); -} |