public TimelineData(TimelineLayout layout, TimelinePlayback playback)
{
_layout = layout;
_playback = playback;
Captions = new ObservableCollection <Caption>();
}
public static TimelineData FakeData(TimelineLayout layout, TimelinePlayback playback)
{
var timeline = new TimelineData(layout, playback);
for (var i = 0; i < 30; i++)
{
timeline.AddCaption(Caption.FakeData(layout, timeline));
}
return(timeline);
}
public static Caption FakeData(TimelineLayout layout, TimelineData timeline)
{
var text = File.ReadAllText(@"..\..\SourceText.txt").Replace(Environment.NewLine, " ");
const int captionLength = 50;
var idx1 = random.Next(0, text.Length - captionLength);
var idx2 = text.IndexOf(' ', idx1) + 1;
return(new Caption(layout, timeline)
{
Text = text.Substring(idx2, Math.Min(captionLength, text.Length - captionLength - 1))
});
}
public Caption(TimelineLayout layout, TimelineData timeline)
{
_layout = layout;
_timeline = timeline;
_layout.WhenZoomChanged.Subscribe(i =>
{
zoomFactor = i;
OnPropertyChanged(nameof(MarkerWidth));
OnPropertyChanged(nameof(LeftMarginWidth));
});
zoomFactor = _layout.Zoom;
OnPropertyChanged(nameof(MarkerWidth));
OnPropertyChanged(nameof(LeftMarginWidth));
MarkerDuration = TimeSpan.FromSeconds(4);
}
public RootControl()
{
TimelineLayout = new TimelineLayout();
Playback = new TimelinePlayback(TimeSpan.FromMinutes(3));
Timeline = TimelineData.FakeData(TimelineLayout, Playback);
InitializeComponent();
this.video.Position = TimeSpan.Zero;
Playback.WhenTimeChanged.Subscribe(time =>
{
var scrollPosition = TimelineLayout.GetScrollPosition(time);
//var playerHeadPosition = TimelineLayout.GetPlayerHeadPosition(time);
//overlay.Set(playerHeadPosition);
ScrollTo(scrollPosition);
whenTimeChanged.OnNext(time);
var caption = Timeline.PlaybackCaption;
whenPlaybackCaptionChanged.OnNext(caption);
Thread.Sleep(100);
});
var viewer = new WaveViewer();
viewer.BackColor = System.Drawing.Color.LightGray;
viewer.WaveStream = new WaveFileReader(@"C:\Users\Amichai\Desktop\The Zahir.wav");
this.Host.Child = viewer;
TimelineLayout.WhenZoomChanged.Subscribe(zoom =>
{
var scale = TimelineLayout.Zoom / 100f;
viewer.SamplesPerPixel = (int)Math.Round(128 / scale);
});
}
