public List <TimeSpan> GetBeats()
{
List <TimeSpan> result = new List <TimeSpan>();
TimeSpan threshold = TimeSpan.FromMilliseconds(10);
TimeSpan position = TimePanel.GetPosition(_parent);
TimeSpan duration = TimePanel.GetDuration(_parent);
TimeSpan currentPosition = position;
TimeSpan endposition = position + duration;
var pattern = BeatDefinition.Pattern;
TimeSpan beatLength = PatternDuration.Divide(pattern.Length);
while (endposition - currentPosition > threshold)
{
foreach (bool isactive in pattern)
{
if (isactive)
{
result.Add(currentPosition);
}
currentPosition += beatLength;
if (endposition - currentPosition <= threshold)
{
break;
}
}
}
return(result);
}
public void SetBeatSegment(BeatSegment summary)
{
TimePanel.SetPosition(this, TimeSpan.FromTicks(summary.Position));
TimePanel.SetDuration(this, TimeSpan.FromTicks(summary.Duration));
BeatLine.SetBeatSegment(summary);
}
public void Snap()
{
EnsureParent();
if (_parent == null)
{
return;
}
TimeSpan duration = TimePanel.GetDuration(_parent);
if (duration <= TimeSpan.Zero)
{
return;
}
if (!TimeLock)
{
_patternRepeats = duration.Divide(PatternDuration);
}
int repeats = (int)Math.Round(_patternRepeats);
if (repeats <= 0)
{
repeats = 1;
}
duration = PatternDuration.Multiply(repeats);
_patternRepeats = repeats;
TimePanel.SetDuration(_parent, duration);
}
public BeatSegment GetBeatSegment()
{
BeatSegment summary = BeatLine.GetBeatSegment();
summary.Duration = TimePanel.GetDuration(this).Ticks;
summary.Position = TimePanel.GetPosition(this).Ticks;
return(summary);
}
private TimeSpan PositionToTimeSpan(double position)
{
TimeSpan duration = TimePanel.GetDuration(this);
TimeSpan start = TimePanel.GetDuration(this);
double relativePosition = position / ActualWidth;
return(start + duration.Multiply(relativePosition));
}
private double TimeSpanToPosition(TimeSpan position)
{
TimeSpan duration = TimePanel.GetDuration(this);
TimeSpan start = TimePanel.GetDuration(this);
TimeSpan relativePosition = position - start;
double relativePositionX = relativePosition.Divide(duration);
return(relativePositionX * ActualWidth);
}
public void SetBeatDuration(TimeSpan beatDuration)
{
EnsureParent();
if (_parent == null)
{
return;
}
TimeSpan duration = TimePanel.GetDuration(_parent);
if (duration <= TimeSpan.Zero)
{
return;
}
_timeLock = false;
_patternRepeats = duration.Divide(beatDuration);
PatternDuration = beatDuration;
InvalidateVisual();
}
protected override void OnRender(DrawingContext drawingContext)
{
drawingContext.DrawRectangle(Brushes.Black, null, new Rect(new Point(0, 0), new Size(ActualWidth, ActualHeight)));
TimeSpan span = TimePanel.GetDuration(this);
TimeSpan handled = TimeSpan.Zero;
while (handled <= span)
{
double x = TimeSpanToPosition(handled);
drawingContext.DrawLine(new Pen(Brushes.White, 1), new Point(x, 0), new Point(x, ActualHeight));
handled = handled.Add(Intervall);
}
if (_downPos != _upPos)
{
double xFrom = TimeSpanToPosition(_downPos);
double xTo = TimeSpanToPosition(_upPos);
drawingContext.DrawRectangle(new SolidColorBrush(Color.FromArgb(70, 255, 0, 0)), new Pen(Brushes.Red, 1), new Rect(new Point(xFrom, 0), new Point(xTo, ActualHeight)));
}
}
protected override void OnRender(DrawingContext drawingContext)
{
drawingContext.DrawRectangle(Brushes.Transparent, null, new Rect(0, 0, ActualWidth, ActualHeight));
if (BeatDefinition == null)
{
return;
}
if (PatternDuration == TimeSpan.Zero)
{
return;
}
if (BeatDefinition.Pattern == null)
{
return;
}
if (BeatDefinition.Pattern.Length == 0)
{
return;
}
EnsureParent();
if (_parent == null)
{
return;
}
TimeSpan duration = TimePanel.GetDuration(_parent);
if (duration <= TimeSpan.Zero)
{
return;
}
TimeSpan handledDuration = TimeSpan.Zero;
double widthPerBeat;
if (!TimeLock)
{
widthPerBeat = ActualWidth / duration.Divide(PatternDuration) / BeatDefinition.Pattern.Length;
}
else
{
widthPerBeat = ActualWidth / (BeatDefinition.Pattern.Length * _patternRepeats);
PatternDuration = duration.Divide(_patternRepeats);
}
double x = 0;
bool on = false;
double widthPerCylce = ActualWidth / duration.Divide(PatternDuration);
var typeface = new Typeface(new FontFamily("Arial"), FontStyles.Normal, FontWeights.Normal,
FontStretches.Normal);
int i = 1;
while (handledDuration < duration)
{
on ^= true;
if (on)
{
drawingContext.DrawRectangle(Brushes.White, null, new Rect(x, 0, widthPerCylce, ActualHeight));
}
var text = new FormattedText(i.ToString("D"), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, 12.0, Brushes.Black, new NumberSubstitution(), TextFormattingMode.Display);
drawingContext.DrawText(text, new Point(x, 0));
handledDuration += PatternDuration;
x += widthPerCylce;
i++;
}
handledDuration = TimeSpan.Zero;
x = 0;
while (handledDuration < duration)
{
foreach (bool isbeat in BeatDefinition.Pattern)
{
if (isbeat)
{
drawingContext.DrawLine(new Pen(Brushes.Lime, 4), new Point(x, 0), new Point(x, ActualHeight));
}
x += widthPerBeat;
}
handledDuration += PatternDuration;
}
drawingContext.DrawEllipse(TimeLock?Brushes.Green:Brushes.Red, null, new Point(6, 6), 3, 3);
}
private static void OnDurationPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TimePanel panel = VisualTreeHelper.GetParent(d) as TimePanel;
panel?.ChildDurationChanged(d, (TimeSpan)e.OldValue, (TimeSpan)e.NewValue);
}