+++ /dev/null
-/*
- Copyright (C) 2013-2015 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 "video_content_scale.h"
-#include "video_content.h"
-#include "ratio.h"
-#include "safe_stringstream.h"
-#include "util.h"
-#include <libcxml/cxml.h>
-#include <libxml++/libxml++.h>
-#include <boost/optional.hpp>
-
-#include "i18n.h"
-
-using std::vector;
-using std::string;
-using std::min;
-using std::cout;
-using boost::shared_ptr;
-using boost::optional;
-
-vector<VideoContentScale> VideoContentScale::_scales;
-
-VideoContentScale::VideoContentScale (Ratio const * r)
- : _ratio (r)
- , _scale (true)
-{
-
-}
-
-VideoContentScale::VideoContentScale ()
- : _ratio (0)
- , _scale (false)
-{
-
-}
-
-VideoContentScale::VideoContentScale (bool scale)
- : _ratio (0)
- , _scale (scale)
-{
-
-}
-
-VideoContentScale::VideoContentScale (shared_ptr<cxml::Node> node)
- : _ratio (0)
- , _scale (true)
-{
- optional<string> r = node->optional_string_child ("Ratio");
- if (r) {
- _ratio = Ratio::from_id (r.get ());
- } else {
- _scale = node->bool_child ("Scale");
- }
-}
-
-void
-VideoContentScale::as_xml (xmlpp::Node* node) const
-{
- if (_ratio) {
- node->add_child("Ratio")->add_child_text (_ratio->id ());
- } else {
- node->add_child("Scale")->add_child_text (_scale ? "1" : "0");
- }
-}
-
-string
-VideoContentScale::id () const
-{
- SafeStringStream s;
-
- if (_ratio) {
- s << _ratio->id ();
- } else {
- s << (_scale ? "S1" : "S0");
- }
-
- return s.str ();
-}
-
-string
-VideoContentScale::name () const
-{
- if (_ratio) {
- return _ratio->nickname ();
- }
-
- if (_scale) {
- return _("No stretch");
- }
-
- return _("No scale");
-}
-
-VideoContentScale
-VideoContentScale::from_id (string id)
-{
- Ratio const * r = Ratio::from_id (id);
- if (r) {
- return VideoContentScale (r);
- }
-
- if (id == "S0") {
- return VideoContentScale (false);
- }
-
- return VideoContentScale (true);
-}
-
-/** @param display_container Size of the container that we are displaying this content in.
- * @param film_container The size of the film's image.
- */
-dcp::Size
-VideoContentScale::size (shared_ptr<const VideoContent> c, dcp::Size display_container, dcp::Size film_container) const
-{
- /* Work out the size of the content if it were put inside film_container */
-
- dcp::Size const video_size_after_crop = c->video_size_after_crop ();
-
- dcp::Size size;
-
- if (_ratio) {
- /* Stretch to fit the requested ratio */
- size = fit_ratio_within (_ratio->ratio (), film_container);
- } else if (_scale || video_size_after_crop.width > film_container.width || video_size_after_crop.height > film_container.height) {
- /* Scale, preserving aspect ratio; this is either if we have been asked to scale with no stretch
- or if the unscaled content is too big for film_container.
- */
- size = fit_ratio_within (video_size_after_crop.ratio(), film_container);
- } else {
- /* No stretch nor scale */
- size = video_size_after_crop;
- }
-
- /* Now scale it down if the display container is smaller than the film container */
- if (display_container != film_container) {
- float const scale = min (
- float (display_container.width) / film_container.width,
- float (display_container.height) / film_container.height
- );
-
- size.width = lrintf (size.width * scale);
- size.height = lrintf (size.height * scale);
- }
-
- return size;
-}
-
-void
-VideoContentScale::setup_scales ()
-{
- vector<Ratio const *> ratios = Ratio::all ();
- for (vector<Ratio const *>::const_iterator i = ratios.begin(); i != ratios.end(); ++i) {
- _scales.push_back (VideoContentScale (*i));
- }
-
- _scales.push_back (VideoContentScale (true));
- _scales.push_back (VideoContentScale (false));
-}
-
-bool
-operator== (VideoContentScale const & a, VideoContentScale const & b)
-{
- return (a.ratio() == b.ratio() && a.scale() == b.scale());
-}
-
-bool
-operator!= (VideoContentScale const & a, VideoContentScale const & b)
-{
- return (a.ratio() != b.ratio() || a.scale() != b.scale());
-}