--- /dev/null
+/*
+ Copyright (C) 2023 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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.
+
+ DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "check_box.h"
+#include "colours.h"
+#include "dcp_timeline.h"
+#include "dcp_timeline_reel_marker_view.h"
+#include "dcpomatic_choice.h"
+#include "dcpomatic_spin_ctrl.h"
+#include "timecode.h"
+#include "wx_util.h"
+#include "lib/atmos_content.h"
+#include "lib/audio_content.h"
+#include "lib/constants.h"
+#include "lib/film.h"
+#include "lib/text_content.h"
+#include "lib/video_content.h"
+#include <dcp/scope_guard.h>
+LIBDCP_DISABLE_WARNINGS
+#include <wx/graphics.h>
+LIBDCP_ENABLE_WARNINGS
+
+
+using std::dynamic_pointer_cast;
+using std::make_shared;
+using std::shared_ptr;
+using std::vector;
+using boost::optional;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+using namespace dcpomatic;
+
+
+auto constexpr reel_marker_y_pos = 48;
+auto constexpr content_y_pos = 112;
+auto constexpr content_type_height = 12;
+
+enum {
+ ID_add_reel_boundary,
+};
+
+
+class ReelBoundary
+{
+public:
+ ReelBoundary(wxWindow* parent, wxGridBagSizer* sizer, int index, DCPTime maximum, int fps, DCPTimeline& timeline, bool editable)
+ : _label(new wxStaticText(parent, wxID_ANY, wxString::Format(_("Reel %d to reel %d"), index + 1, index + 2)))
+ , _timecode(new Timecode<DCPTime>(parent, true))
+ , _index(index)
+ , _view(timeline, reel_marker_y_pos)
+ , _fps(fps)
+ {
+ sizer->Add(_label, wxGBPosition(index, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+ sizer->Add(_timecode, wxGBPosition(index, 1));
+
+ _timecode->set_maximum(maximum.split(fps));
+ _timecode->set_editable(editable);
+ _timecode->Changed.connect(boost::bind(&ReelBoundary::timecode_changed, this));
+ }
+
+ ~ReelBoundary()
+ {
+ if (_label) {
+ _label->Destroy();
+ }
+
+ if (_timecode) {
+ _timecode->Destroy();
+ }
+ }
+
+ ReelBoundary(ReelBoundary const&) = delete;
+ ReelBoundary& operator=(ReelBoundary const&) = delete;
+
+ ReelBoundary(ReelBoundary&& other) = delete;
+ ReelBoundary& operator=(ReelBoundary&& other) = delete;
+
+ void set_time(DCPTime time)
+ {
+ if (_timecode) {
+ _timecode->set(time, _fps);
+ }
+ _view.set_time(time);
+ }
+
+ dcpomatic::DCPTime time() const {
+ return _view.time();
+ }
+
+ int index() const {
+ return _index;
+ }
+
+ DCPTimelineReelMarkerView& view() {
+ return _view;
+ }
+
+ DCPTimelineReelMarkerView const& view() const {
+ return _view;
+ }
+
+ boost::signals2::signal<void (int, dcpomatic::DCPTime)> Changed;
+
+private:
+ void timecode_changed() {
+ set_time(_timecode->get(_fps));
+ Changed(_index, time());
+ }
+
+ wxStaticText* _label = nullptr;
+ Timecode<dcpomatic::DCPTime>* _timecode = nullptr;
+ int _index = 0;
+ DCPTimelineReelMarkerView _view;
+ int _fps;
+};
+
+
+DCPTimeline::DCPTimeline(wxWindow* parent, shared_ptr<Film> film)
+ : Timeline(parent)
+ , _film(film)
+ , _canvas(new wxScrolledCanvas(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE))
+ , _reel_settings(new wxPanel(this, wxID_ANY))
+ , _reel_detail(new wxPanel(this, wxID_ANY))
+ , _reel_detail_sizer(new wxGridBagSizer(DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP))
+{
+#ifndef __WXOSX__
+ _canvas->SetDoubleBuffered(true);
+#endif
+ _reel_detail->SetSizer(_reel_detail_sizer);
+
+ auto sizer = new wxBoxSizer(wxVERTICAL);
+ sizer->Add(_reel_settings, 0);
+ sizer->Add(_canvas, 0, wxEXPAND);
+ sizer->Add(_reel_detail, 1, wxEXPAND | wxALL, DCPOMATIC_DIALOG_BORDER);
+ SetSizer(sizer);
+
+ SetMinSize(wxSize(640, 480));
+ _canvas->SetMinSize({-1, content_y_pos + content_type_height * 4});
+
+ _canvas->Bind(wxEVT_PAINT, boost::bind(&DCPTimeline::paint, this));
+ _canvas->Bind(wxEVT_SIZE, boost::bind(&DCPTimeline::setup_pixels_per_second, this));
+ _canvas->Bind(wxEVT_LEFT_DOWN, boost::bind(&DCPTimeline::left_down, this, _1));
+ _canvas->Bind(wxEVT_RIGHT_DOWN, boost::bind(&DCPTimeline::right_down, this, _1));
+ _canvas->Bind(wxEVT_LEFT_UP, boost::bind(&DCPTimeline::left_up, this, _1));
+ _canvas->Bind(wxEVT_MOTION, boost::bind(&DCPTimeline::mouse_moved, this, _1));
+
+ _film_connection = film->Change.connect(boost::bind(&DCPTimeline::film_changed, this, _1, _2));
+
+ _menu = new wxMenu;
+ _add_reel_boundary = _menu->Append(ID_add_reel_boundary, _("Add reel"));
+ _canvas->Bind(wxEVT_MENU, boost::bind(&DCPTimeline::add_reel_boundary, this));
+
+ setup_reel_settings();
+ setup_reel_boundaries();
+
+ sizer->Layout();
+ setup_pixels_per_second();
+ setup_sensitivity();
+}
+
+
+void
+DCPTimeline::add_reel_boundary()
+{
+ auto boundaries = film()->custom_reel_boundaries();
+ boundaries.push_back(DCPTime::from_seconds(_right_down_position.x / _pixels_per_second.get_value_or(1)));
+ film()->set_custom_reel_boundaries(boundaries);
+}
+
+
+void
+DCPTimeline::film_changed(ChangeType type, FilmProperty property)
+{
+ if (type != ChangeType::DONE) {
+ return;
+ }
+
+ switch (property) {
+ case FilmProperty::REEL_TYPE:
+ case FilmProperty::REEL_LENGTH:
+ case FilmProperty::CUSTOM_REEL_BOUNDARIES:
+ setup_sensitivity();
+ setup_reel_boundaries();
+ break;
+ case FilmProperty::CONTENT:
+ case FilmProperty::CONTENT_ORDER:
+ setup_pixels_per_second();
+ Refresh();
+ break;
+ default:
+ break;
+ }
+}
+
+
+void
+DCPTimeline::setup_sensitivity()
+{
+ _snap->Enable(editable());
+ _maximum_reel_size->Enable(film()->reel_type() == ReelType::BY_LENGTH);
+}
+
+
+void
+DCPTimeline::setup_reel_settings()
+{
+ auto sizer = new wxGridBagSizer(DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+ _reel_settings->SetSizer(sizer);
+
+ int r = 0;
+ add_label_to_sizer(sizer, _reel_settings, _("Reel mode"), true, wxGBPosition(r, 0));
+ _reel_type = new Choice(_reel_settings);
+ _reel_type->add(_("Single reel"));
+ _reel_type->add(_("Split by video content"));
+ _reel_type->add(_("Split by maximum reel size"));
+ _reel_type->add(_("Custom"));
+ sizer->Add(_reel_type, wxGBPosition(r, 1));
+ ++r;
+
+ add_label_to_sizer(sizer, _reel_settings, _("Maximum reel size"), true, wxGBPosition(r, 0));
+ _maximum_reel_size = new SpinCtrl(_reel_settings, DCPOMATIC_SPIN_CTRL_WIDTH);
+ _maximum_reel_size->SetRange(1, 1000);
+ {
+ auto s = new wxBoxSizer(wxHORIZONTAL);
+ s->Add(_maximum_reel_size, 0);
+ add_label_to_sizer(s, _reel_settings, _("GB"), false, 0, wxALIGN_CENTER_VERTICAL | wxLEFT);
+ sizer->Add(s, wxGBPosition(r, 1));
+ }
+ ++r;
+
+ _snap = new CheckBox(_reel_settings, _("Snap when dragging"));
+ sizer->Add(_snap, wxGBPosition(r, 1));
+ ++r;
+
+ _reel_type->set(static_cast<int>(film()->reel_type()));
+ _maximum_reel_size->SetValue(film()->reel_length() / 1000000000LL);
+
+ _reel_type->bind(&DCPTimeline::reel_mode_changed, this);
+ _maximum_reel_size->Bind(wxEVT_SPINCTRL, boost::bind(&DCPTimeline::maximum_reel_size_changed, this));
+}
+
+
+void
+DCPTimeline::reel_mode_changed()
+{
+ film()->set_reel_type(static_cast<ReelType>(*_reel_type->get()));
+}
+
+
+void
+DCPTimeline::maximum_reel_size_changed()
+{
+ film()->set_reel_length(_maximum_reel_size->GetValue() * 1000000000LL);
+}
+
+
+void
+DCPTimeline::set_reel_boundary(int index, DCPTime time)
+{
+ auto boundaries = film()->custom_reel_boundaries();
+ DCPOMATIC_ASSERT(index >= 0 && index < static_cast<int>(boundaries.size()));
+ boundaries[index] = time.round(film()->video_frame_rate());
+ film()->set_custom_reel_boundaries(boundaries);
+}
+
+
+void
+DCPTimeline::setup_reel_boundaries()
+{
+ auto const reels = film()->reels();
+ if (reels.empty()) {
+ _reel_boundaries.clear();
+ return;
+ }
+
+ size_t const boundaries = reels.size() - 1;
+ auto const maximum = film()->length();
+ for (size_t i = _reel_boundaries.size(); i < boundaries; ++i) {
+ auto boundary = std::make_shared<ReelBoundary>(
+ _reel_detail, _reel_detail_sizer, i, maximum, film()->video_frame_rate(), *this, editable()
+ );
+
+ boundary->Changed.connect(boost::bind(&DCPTimeline::set_reel_boundary, this, _1, _2));
+ _reel_boundaries.push_back(boundary);
+ }
+
+ _reel_boundaries.resize(boundaries);
+
+ auto const active = editable();
+ for (size_t i = 0; i < boundaries; ++i) {
+ _reel_boundaries[i]->set_time(reels[i].to);
+ _reel_boundaries[i]->view().set_active(active);
+ }
+
+ _reel_detail_sizer->Layout();
+ _canvas->Refresh();
+}
+
+
+void
+DCPTimeline::paint()
+{
+ wxPaintDC dc(_canvas);
+ dc.Clear();
+
+ if (film()->content().empty()) {
+ return;
+ }
+
+ _canvas->DoPrepareDC(dc);
+
+ auto gc = wxGraphicsContext::Create(dc);
+ if (!gc) {
+ return;
+ }
+
+ dcp::ScopeGuard sg = [gc]() { delete gc; };
+
+ gc->SetAntialiasMode(wxANTIALIAS_DEFAULT);
+
+ paint_reels(gc);
+ paint_content(gc);
+}
+
+
+void
+DCPTimeline::paint_reels(wxGraphicsContext* gc)
+{
+ constexpr int x_offset = 2;
+
+ for (auto const& boundary: _reel_boundaries) {
+ boundary->view().paint(gc);
+ }
+
+ gc->SetFont(gc->CreateFont(*wxNORMAL_FONT, wxColour(0, 0, 0)));
+ gc->SetPen(*wxThePenList->FindOrCreatePen(wxColour(0, 0, 0), 2, wxPENSTYLE_SOLID));
+
+ auto const pps = pixels_per_second().get_value_or(1);
+
+ auto start = gc->CreatePath();
+ start.MoveToPoint(x_offset, reel_marker_y_pos);
+ start.AddLineToPoint(x_offset, reel_marker_y_pos + DCPTimelineReelMarkerView::HEIGHT);
+ gc->StrokePath(start);
+
+ auto const length = film()->length().seconds() * pps;
+ auto end = gc->CreatePath();
+ end.MoveToPoint(x_offset + length, reel_marker_y_pos);
+ end.AddLineToPoint(x_offset + length, reel_marker_y_pos + DCPTimelineReelMarkerView::HEIGHT);
+ gc->StrokePath(end);
+
+ auto const y = reel_marker_y_pos + DCPTimelineReelMarkerView::HEIGHT * 3 / 4;
+
+ auto paint_reel = [gc, y](double from, double to, int index) {
+ auto path = gc->CreatePath();
+ path.MoveToPoint(from, y);
+ path.AddLineToPoint(to, y);
+ gc->StrokePath(path);
+
+ auto str = wxString::Format(wxT("#%d"), index + 1);
+ wxDouble str_width;
+ wxDouble str_height;
+ wxDouble str_descent;
+ wxDouble str_leading;
+ gc->GetTextExtent(str, &str_width, &str_height, &str_descent, &str_leading);
+
+ if (str_width < (to - from)) {
+ gc->DrawText(str, (from + to - str_width) / 2, y - str_height - 2);
+ }
+ };
+
+ gc->SetPen(*wxThePenList->FindOrCreatePen(wxColour(0, 0, 255), 2, wxPENSTYLE_DOT));
+ int index = 0;
+ DCPTime last;
+ for (auto const& boundary: _reel_boundaries) {
+ paint_reel(last.seconds() * pps + 2, boundary->time().seconds() * pps, index++);
+ last = boundary->time();
+ }
+
+ paint_reel(last.seconds() * pps + 2, film()->length().seconds() * pps, index);
+}
+
+
+void
+DCPTimeline::paint_content(wxGraphicsContext* gc)
+{
+ auto const pps = pixels_per_second().get_value_or(1);
+ auto const film = this->film();
+
+ auto const& solid_pen = *wxThePenList->FindOrCreatePen(wxColour(0, 0, 0), 1, wxPENSTYLE_SOLID);
+ auto const& dotted_pen = *wxThePenList->FindOrCreatePen(wxColour(0, 0, 0), 1, wxPENSTYLE_DOT);
+
+ auto const& video_brush = *wxTheBrushList->FindOrCreateBrush(VIDEO_CONTENT_COLOUR, wxBRUSHSTYLE_SOLID);
+ auto const& audio_brush = *wxTheBrushList->FindOrCreateBrush(AUDIO_CONTENT_COLOUR, wxBRUSHSTYLE_SOLID);
+ auto const& text_brush = *wxTheBrushList->FindOrCreateBrush(TEXT_CONTENT_COLOUR, wxBRUSHSTYLE_SOLID);
+ auto const& atmos_brush = *wxTheBrushList->FindOrCreateBrush(ATMOS_CONTENT_COLOUR, wxBRUSHSTYLE_SOLID);
+
+ auto maybe_draw =
+ [gc, film, pps, solid_pen, dotted_pen]
+ (shared_ptr<Content> content, shared_ptr<ContentPart> part, wxBrush brush, int offset) {
+ if (part) {
+ auto const y = content_y_pos + offset * content_type_height + 1;
+ gc->SetPen(solid_pen);
+ gc->SetBrush(brush);
+ gc->DrawRectangle(
+ content->position().seconds() * pps,
+ y,
+ content->length_after_trim(film).seconds() * pps,
+ content_type_height - 2
+ );
+
+ gc->SetPen(dotted_pen);
+ for (auto split: content->reel_split_points(film)) {
+ if (split != content->position()) {
+ auto path = gc->CreatePath();
+ path.MoveToPoint(split.seconds() * pps, y);
+ path.AddLineToPoint(split.seconds() * pps, y + content_type_height - 2);
+ gc->StrokePath(path);
+ }
+ }
+ }
+ };
+
+ for (auto content: film->content()) {
+ maybe_draw(content, dynamic_pointer_cast<ContentPart>(content->video), video_brush, 0);
+ maybe_draw(content, dynamic_pointer_cast<ContentPart>(content->audio), audio_brush, 1);
+ for (auto text: content->text) {
+ maybe_draw(content, dynamic_pointer_cast<ContentPart>(text), text_brush, 2);
+ }
+ maybe_draw(content, dynamic_pointer_cast<ContentPart>(content->atmos), atmos_brush, 3);
+ }
+}
+
+
+void
+DCPTimeline::setup_pixels_per_second()
+{
+ set_pixels_per_second((_canvas->GetSize().GetWidth() - 4) / std::max(1.0, film()->length().seconds()));
+}
+
+
+shared_ptr<ReelBoundary>
+DCPTimeline::event_to_reel_boundary(wxMouseEvent& ev) const
+{
+ Position<int> const position(ev.GetX(), ev.GetY());
+ auto iter = std::find_if(_reel_boundaries.begin(), _reel_boundaries.end(), [position](shared_ptr<const ReelBoundary> boundary) {
+ return boundary->view().bbox().contains(position);
+ });
+
+ if (iter == _reel_boundaries.end()) {
+ return {};
+ }
+
+ return *iter;
+}
+
+
+void
+DCPTimeline::left_down(wxMouseEvent& ev)
+{
+ if (!editable()) {
+ return;
+ }
+
+ if (auto boundary = event_to_reel_boundary(ev)) {
+ auto const snap_distance = DCPTime::from_seconds((_canvas->GetSize().GetWidth() / _pixels_per_second.get_value_or(1)) / SNAP_SUBDIVISION);
+ _drag = DCPTimeline::Drag(
+ boundary,
+ _reel_boundaries,
+ film(),
+ static_cast<int>(ev.GetX() - boundary->time().seconds() * _pixels_per_second.get_value_or(0)),
+ _snap->get(),
+ snap_distance
+ );
+ } else {
+ _drag = boost::none;
+ }
+}
+
+
+void
+DCPTimeline::right_down(wxMouseEvent& ev)
+{
+ _right_down_position = ev.GetPosition();
+ _canvas->PopupMenu(_menu, _right_down_position);
+}
+
+
+void
+DCPTimeline::left_up(wxMouseEvent&)
+{
+ if (!_drag) {
+ return;
+ }
+
+ set_reel_boundary(_drag->reel_boundary->index(), _drag->time());
+ _drag = boost::none;
+}
+
+
+void
+DCPTimeline::mouse_moved(wxMouseEvent& ev)
+{
+ if (!_drag) {
+ return;
+ }
+
+ auto time = DCPTime::from_seconds((ev.GetPosition().x - _drag->offset) / _pixels_per_second.get_value_or(1));
+ time = std::max(_drag->previous ? _drag->previous->time() : DCPTime(), time);
+ time = std::min(_drag->next ? _drag->next->time() : film()->length(), time);
+ _drag->set_time(time);
+ _canvas->RefreshRect({0, reel_marker_y_pos - 2, _canvas->GetSize().GetWidth(), DCPTimelineReelMarkerView::HEIGHT + 4}, true);
+}
+
+
+void
+DCPTimeline::force_redraw(dcpomatic::Rect<int> const & r)
+{
+ _canvas->RefreshRect(wxRect(r.x, r.y, r.width, r.height), false);
+}
+
+
+shared_ptr<Film>
+DCPTimeline::film() const
+{
+ auto film = _film.lock();
+ DCPOMATIC_ASSERT(film);
+ return film;
+}
+
+
+bool
+DCPTimeline::editable() const
+{
+ return film()->reel_type() == ReelType::CUSTOM;
+}
+
+
+DCPTimeline::Drag::Drag(
+ shared_ptr<ReelBoundary> reel_boundary_,
+ vector<shared_ptr<ReelBoundary>> const& reel_boundaries,
+ shared_ptr<const Film> film,
+ int offset_,
+ bool snap,
+ DCPTime snap_distance
+ )
+ : reel_boundary(reel_boundary_)
+ , offset(offset_)
+ , _snap_distance(snap_distance)
+{
+ auto iter = std::find(reel_boundaries.begin(), reel_boundaries.end(), reel_boundary);
+ auto index = std::distance(reel_boundaries.begin(), iter);
+
+ if (index > 0) {
+ previous = reel_boundaries[index - 1];
+ }
+ if (index < static_cast<int>(reel_boundaries.size() - 1)) {
+ next = reel_boundaries[index + 1];
+ }
+
+ if (snap) {
+ for (auto content: film->content()) {
+ for (auto split: content->reel_split_points(film)) {
+ _snaps.push_back(split);
+ }
+ }
+ }
+}
+
+
+void
+DCPTimeline::Drag::set_time(DCPTime time)
+{
+ optional<DCPTime> nearest_distance;
+ optional<DCPTime> nearest_time;
+ for (auto snap: _snaps) {
+ auto const distance = time - snap;
+ if (!nearest_distance || distance.abs() < nearest_distance->abs()) {
+ nearest_distance = distance.abs();
+ nearest_time = snap;
+ }
+ }
+
+ if (nearest_distance && *nearest_distance < _snap_distance) {
+ reel_boundary->set_time(*nearest_time);
+ } else {
+ reel_boundary->set_time(time);
+ }
+}
+
+
+DCPTime
+DCPTimeline::Drag::time() const
+{
+ return reel_boundary->time();
+}
+
projects / dcpomatic.git / commitdiff