src/wx/simple_video_view.cc

   1 /*
   2     Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "simple_video_view.h"
  22 #include "film_viewer.h"
  23 #include "lib/image.h"
  24 #include <dcp/util.h>
  25 #include <wx/wx.h>
  26 #include <boost/bind.hpp>
  27
  28 using std::max;
  29
  30 SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
  31         : _viewer (viewer)
  32 {
  33         _panel = new wxPanel (parent);
  34
  35 #ifndef __WXOSX__
  36         _panel->SetDoubleBuffered (true);
  37 #endif
  38
  39         _panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
  40         _panel->SetBackgroundColour (*wxBLACK);
  41
  42         _panel->Bind (wxEVT_PAINT, boost::bind (&SimpleVideoView::paint, this));
  43         _panel->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
  44 }
  45
  46 void
  47 SimpleVideoView::paint ()
  48 {
  49         wxPaintDC dc (_panel);
  50
  51 #ifdef DCPOMATIC_VARIANT_SWAROOP
  52         if (viewer->background_image()) {
  53                 dc.Clear ();
  54                 maybe_draw_background_image (dc);
  55                 return;
  56         }
  57 #endif
  58
  59         dcp::Size const out_size = _viewer->out_size ();
  60         wxSize const panel_size = _panel->GetSize ();
  61
  62         if (!out_size.width || !out_size.height || !_image || out_size != _image->size()) {
  63                 dc.Clear ();
  64         } else {
  65
  66                 wxImage frame (out_size.width, out_size.height, _image->data()[0], true);
  67                 wxBitmap frame_bitmap (frame);
  68                 dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
  69
  70 #ifdef DCPOMATIC_VARIANT_SWAROOP
  71                 XXX
  72                 DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
  73                 int64_t n = _video_position.get() / period.get();
  74                 DCPTime from(n * period.get());
  75                 DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
  76                 if (from <= _video_position && _video_position <= to) {
  77                         if (!_in_watermark) {
  78                                 _in_watermark = true;
  79                                 _watermark_x = rand() % _panel_size.width;
  80                                 _watermark_y = rand() % _panel_size.height;
  81                         }
  82                         dc.SetTextForeground(*wxWHITE);
  83                         string wm = Config::instance()->player_watermark_theatre();
  84                         boost::posix_time::ptime t = boost::posix_time::second_clock::local_time();
  85                         wm += "\n" + boost::posix_time::to_iso_extended_string(t);
  86                         dc.DrawText(std_to_wx(wm), _watermark_x, _watermark_y);
  87                 } else {
  88                         _in_watermark = false;
  89                 }
  90 #endif
  91         }
  92
  93         if (out_size.width < panel_size.GetWidth()) {
  94                 /* XXX: these colours are right for GNOME; may need adjusting for other OS */
  95                 wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
  96                 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
  97                 dc.SetPen (p);
  98                 dc.SetBrush (b);
  99                 dc.DrawRectangle (out_size.width, 0, panel_size.GetWidth() - out_size.width, panel_size.GetHeight());
 100         }
 101
 102         if (out_size.height < panel_size.GetHeight()) {
 103                 wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 104                 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 105                 dc.SetPen (p);
 106                 dc.SetBrush (b);
 107                 int const gap = (panel_size.GetHeight() - out_size.height) / 2;
 108                 dc.DrawRectangle (0, 0, panel_size.GetWidth(), gap);
 109                 dc.DrawRectangle (0, gap + out_size.height + 1, panel_size.GetWidth(), gap + 1);
 110         }
 111
 112         if (_viewer->outline_content()) {
 113                 Position<int> inter_position = _viewer->inter_position ();
 114                 dcp::Size inter_size = _viewer->inter_size ();
 115                 wxPen p (wxColour (255, 0, 0), 2);
 116                 dc.SetPen (p);
 117                 dc.SetBrush (*wxTRANSPARENT_BRUSH);
 118                 dc.DrawRectangle (inter_position.x, inter_position.y + (panel_size.GetHeight() - out_size.height) / 2, inter_size.width, inter_size.height);
 119         }
 120 }
 121
 122 void
 123 SimpleVideoView::update ()
 124 {
 125         _panel->Refresh ();
 126         _panel->Update ();
 127 }