Basics of OpenGL viewer.

1 files changed, 118 insertions, 0 deletions

diff --git a/src/wx/simple_video_view.cc b/src/wx/simple_video_view.cc
new file mode 100644
index 000000000..895a072a0
--- /dev/null
+++ b/src/wx/simple_video_view.cc
@@ -0,0 +1,118 @@
+/*
+    Copyright (C) 2019 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/>.
+
+*/
+
+SimpleVideoView::SimpleVideoView (wxWindow* parent)
+{
+	_panel = new wxPanel (parent);
+
+#ifndef __WXOSX__
+	_panel->SetDoubleBuffered (true);
+#endif
+
+	_panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
+	_panel->SetBackgroundColour (*wxBLACK);
+
+	_panel->Bind (wxEVT_PAINT, boost::bind (&SimpleVideoView::paint_panel, this));
+	_panel->Bind (wxEVT_SIZE,  boost::bind (&SimpleVideoView::panel_sized, this, _1));
+}
+
+void
+SimpleVideoView::paint_panel ()
+{
+	wxPaintDC dc (_panel);
+
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+	if (_background_image) {
+		dc.Clear ();
+		maybe_draw_background_image (dc);
+		_state_timer.unset ();
+		return;
+	}
+#endif
+
+	if (!_out_size.width || !_out_size.height || !_film || !_frame || _out_size != _frame->size()) {
+		dc.Clear ();
+	} else {
+
+		wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true);
+		wxBitmap frame_bitmap (frame);
+		dc.DrawBitmap (frame_bitmap, 0, max(0, (_panel_size.height - _out_size.height) / 2));
+
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+		DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
+		int64_t n = _video_position.get() / period.get();
+		DCPTime from(n * period.get());
+		DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
+		if (from <= _video_position && _video_position <= to) {
+			if (!_in_watermark) {
+				_in_watermark = true;
+				_watermark_x = rand() % _panel_size.width;
+				_watermark_y = rand() % _panel_size.height;
+			}
+			dc.SetTextForeground(*wxWHITE);
+			string wm = Config::instance()->player_watermark_theatre();
+			boost::posix_time::ptime t = boost::posix_time::second_clock::local_time();
+			wm += "\n" + boost::posix_time::to_iso_extended_string(t);
+			dc.DrawText(std_to_wx(wm), _watermark_x, _watermark_y);
+		} else {
+			_in_watermark = false;
+		}
+#endif
+	}
+
+	if (_out_size.width < _panel_size.width) {
+		/* XXX: these colours are right for GNOME; may need adjusting for other OS */
+		wxPen   p (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+		wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+		dc.SetPen (p);
+		dc.SetBrush (b);
+		dc.DrawRectangle (_out_size.width, 0, _panel_size.width - _out_size.width, _panel_size.height);
+	}
+
+	if (_out_size.height < _panel_size.height) {
+		wxPen   p (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+		wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+		dc.SetPen (p);
+		dc.SetBrush (b);
+		int const gap = (_panel_size.height - _out_size.height) / 2;
+		dc.DrawRectangle (0, 0, _panel_size.width, gap);
+		dc.DrawRectangle (0, gap + _out_size.height + 1, _panel_size.width, gap + 1);
+	}
+
+	if (_outline_content) {
+		wxPen p (wxColour (255, 0, 0), 2);
+		dc.SetPen (p);
+		dc.SetBrush (*wxTRANSPARENT_BRUSH);
+		dc.DrawRectangle (_inter_position.x, _inter_position.y + (_panel_size.height - _out_size.height) / 2, _inter_size.width, _inter_size.height);
+	}
+}
+
+void
+SimpleVideoView::panel_sized (wxSizeEvent& ev)
+{
+	_panel_size.width = ev.GetSize().GetWidth();
+	_panel_size.height = ev.GetSize().GetHeight();
+
+	calculate_sizes ();
+	if (!quick_refresh()) {
+		slow_refresh ();
+	}
+	PositionChanged ();
+}