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 "wx_util.h"
  24 #include "lib/image.h"
  25 #include <dcp/util.h>
  26 #include <wx/wx.h>
  27 #include <boost/bind.hpp>
  28
  29 using std::max;
  30 using std::string;
  31 using boost::optional;
  32 using namespace dcpomatic;
  33
  34 SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
  35         : VideoView (viewer)
  36 {
  37         _panel = new wxPanel (parent);
  38
  39 #ifndef __WXOSX__
  40         _panel->SetDoubleBuffered (true);
  41 #endif
  42
  43         _panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
  44         _panel->SetBackgroundColour (*wxBLACK);
  45
  46         _panel->Bind (wxEVT_PAINT, boost::bind (&SimpleVideoView::paint, this));
  47         _panel->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
  48 }
  49
  50 void
  51 SimpleVideoView::paint ()
  52 {
  53         _viewer->state_timer().set("paint-panel");
  54         wxPaintDC dc (_panel);
  55
  56         dcp::Size const out_size = _viewer->out_size ();
  57         wxSize const panel_size = _panel->GetSize ();
  58
  59 #ifdef DCPOMATIC_VARIANT_SWAROOP
  60         if (_viewer->background_image()) {
  61                 dc.Clear ();
  62                 optional<boost::filesystem::path> bg = Config::instance()->player_background_image();
  63                 if (bg) {
  64                         wxImage image (std_to_wx(bg->string()));
  65                         wxBitmap bitmap (image);
  66                         dc.DrawBitmap (bitmap, max(0, (panel_size.GetWidth() - image.GetSize().GetWidth()) / 2), max(0, (panel_size.GetHeight() - image.GetSize().GetHeight()) / 2));
  67                 }
  68                 return;
  69         }
  70 #endif
  71
  72         if (!out_size.width || !out_size.height || !_image || out_size != _image->size()) {
  73                 dc.Clear ();
  74         } else {
  75
  76                 wxImage frame (out_size.width, out_size.height, _image->data()[0], true);
  77                 wxBitmap frame_bitmap (frame);
  78                 dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
  79
  80 #ifdef DCPOMATIC_VARIANT_SWAROOP
  81                 DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
  82                 int64_t n = _viewer->video_position().get() / period.get();
  83                 DCPTime from(n * period.get());
  84                 DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
  85                 if (from <= _viewer->video_position() && _viewer->video_position() <= to) {
  86                         if (!_in_watermark) {
  87                                 _in_watermark = true;
  88                                 _watermark_x = rand() % panel_size.GetWidth();
  89                                 _watermark_y = rand() % panel_size.GetHeight();
  90                         }
  91                         dc.SetTextForeground(*wxWHITE);
  92                         string wm = Config::instance()->player_watermark_theatre();
  93                         boost::posix_time::ptime t = boost::posix_time::second_clock::local_time();
  94                         wm += "\n" + boost::posix_time::to_iso_extended_string(t);
  95                         dc.DrawText(std_to_wx(wm), _watermark_x, _watermark_y);
  96                 } else {
  97                         _in_watermark = false;
  98                 }
  99 #endif
 100         }
 101
 102         if (out_size.width < panel_size.GetWidth()) {
 103                 /* XXX: these colours are right for GNOME; may need adjusting for other OS */
 104                 wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 105                 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 106                 dc.SetPen (p);
 107                 dc.SetBrush (b);
 108                 dc.DrawRectangle (out_size.width, 0, panel_size.GetWidth() - out_size.width, panel_size.GetHeight());
 109         }
 110
 111         if (out_size.height < panel_size.GetHeight()) {
 112                 wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 113                 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
 114                 dc.SetPen (p);
 115                 dc.SetBrush (b);
 116                 int const gap = (panel_size.GetHeight() - out_size.height) / 2;
 117                 dc.DrawRectangle (0, 0, panel_size.GetWidth(), gap);
 118                 dc.DrawRectangle (0, gap + out_size.height + 1, panel_size.GetWidth(), gap + 1);
 119         }
 120
 121         if (_viewer->outline_content()) {
 122                 Position<int> inter_position = _viewer->inter_position ();
 123                 dcp::Size inter_size = _viewer->inter_size ();
 124                 wxPen p (wxColour (255, 0, 0), 2);
 125                 dc.SetPen (p);
 126                 dc.SetBrush (*wxTRANSPARENT_BRUSH);
 127                 dc.DrawRectangle (inter_position.x, inter_position.y + (panel_size.GetHeight() - out_size.height) / 2, inter_size.width, inter_size.height);
 128         }
 129         _viewer->state_timer().unset();
 130 }
 131
 132 void
 133 SimpleVideoView::update ()
 134 {
 135         _panel->Refresh ();
 136         _panel->Update ();
 137 }