Draw reels in the timeline.

[dcpomatic.git] / src / wx / timeline_reels_view.cc

diff --git a/src/wx/timeline_reels_view.cc b/src/wx/timeline_reels_view.cc
new file mode 100644 (file)
index 0000000..6013c60
--- /dev/null
+++ b/src/wx/timeline_reels_view.cc
@@ -0,0 +1,92 @@
+/*
+    Copyright (C) 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 "timeline_reels_view.h"
+#include "timeline.h"
+#include <wx/wx.h>
+#include <wx/graphics.h>
+#include <boost/foreach.hpp>
+
+using std::min;
+
+TimelineReelsView::TimelineReelsView (Timeline& tl, int y)
+       : TimelineView (tl)
+       , _y (y)
+{
+
+}
+
+dcpomatic::Rect<int>
+TimelineReelsView::bbox () const
+{
+       return dcpomatic::Rect<int> (0, _y - 4, _timeline.width(), 24);
+}
+
+void
+TimelineReelsView::set_y (int y)
+{
+       _y = y;
+       force_redraw ();
+}
+
+void
+TimelineReelsView::do_paint (wxGraphicsContext* gc)
+{
+       if (!_timeline.pixels_per_second()) {
+               return;
+       }
+
+       double const pps = _timeline.pixels_per_second().get ();
+
+       gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 255), 1, wxPENSTYLE_SOLID));
+
+       wxGraphicsPath path = gc->CreatePath ();
+       path.MoveToPoint (time_x (DCPTime (0)), _y);
+       path.AddLineToPoint (time_x (_timeline.film()->length()), _y);
+       gc->StrokePath (path);
+
+       gc->SetFont (gc->CreateFont (*wxNORMAL_FONT, wxColour (0, 0, 255)));
+
+       int reel = 1;
+       BOOST_FOREACH (DCPTimePeriod i, _timeline.film()->reels()) {
+               int const size = min (8.0, i.duration().seconds() * pps / 2);
+
+               wxGraphicsPath path = gc->CreatePath ();
+               path.MoveToPoint (time_x (i.from) + size, _y + size / 2);
+               path.AddLineToPoint (time_x (i.from), _y);
+               path.AddLineToPoint (time_x (i.from) + size, _y - size / 2);
+               gc->StrokePath (path);
+
+               path = gc->CreatePath ();
+               path.MoveToPoint (time_x (i.to) - size, _y + size / 2);
+               path.AddLineToPoint (time_x (i.to), _y);
+               path.AddLineToPoint (time_x (i.to) - size, _y - size / 2);
+               gc->StrokePath (path);
+
+               wxString str = wxString::Format (_("Reel %d"), reel++);
+               wxDouble str_width;
+               wxDouble str_height;
+               wxDouble str_descent;
+               wxDouble str_leading;
+               gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
+
+               int const tx = time_x (DCPTime((i.from.get() + i.to.get()) / 2));
+               gc->DrawText (str, tx - str_width / 2, _y + 4);
+       }
+}