private static TimedTextElement BuildTimedTextElements(TimedTextElementBase element, RegionElement region)
{
TimedTextElement timedTextElement = CreateTimedTextElement(element, region);
foreach (TimedTextElementBase c in element.Children)
{
TimedTextElement child = BuildTimedTextElements(c, region);
if (child is TimedTextAnimation)
{
#if HACK_XAMLTYPEINFO
var children = timedTextElement.Animations as MediaMarkerCollection <TimedTextAnimation>;
#else
var children = timedTextElement.Animations;
#endif
children.Add((TimedTextAnimation)child);
}
else if (timedTextElement is CaptionElement && child is CaptionElement)
{
#if HACK_XAMLTYPEINFO
var children = timedTextElement.Children as MediaMarkerCollection <TimedTextElement>;
#else
var children = timedTextElement.Children;
#endif
((CaptionElement)child).Index = children.Count;
children.Add((CaptionElement)child);
}
}
return(timedTextElement);
}
/// <summary>
/// Recursively update the caption elements
/// </summary>
/// <param name="captionElement">the caption element</param>
/// <param name="level">the 0-based level of the caption element</param>
private static void UpdateElement(
TT.TimedTextElement captionElement,
uint level)
{
if (level == 0)
{
if (ClosedCaptionProperties.RegionColor != ClosedCaptionColor.Default || ClosedCaptionProperties.RegionOpacity != ClosedCaptionOpacity.Default)
{
captionElement.Style.BackgroundColor = GetComputedColor(ClosedCaptionProperties.ComputedRegionColor, ClosedCaptionProperties.RegionOpacity);
}
}
else if (level == 1)
{
if (ClosedCaptionProperties.BackgroundColor != ClosedCaptionColor.Default || ClosedCaptionProperties.BackgroundOpacity != ClosedCaptionOpacity.Default)
{
captionElement.Style.BackgroundColor = GetComputedColor(ClosedCaptionProperties.ComputedBackgroundColor, ClosedCaptionProperties.BackgroundOpacity);
}
}
if (ClosedCaptionProperties.FontColor != ClosedCaptionColor.Default || ClosedCaptionProperties.FontOpacity != ClosedCaptionOpacity.Default)
{
captionElement.Style.Color = GetComputedColor(ClosedCaptionProperties.ComputedFontColor, ClosedCaptionProperties.FontOpacity);
}
if (ClosedCaptionProperties.FontSize != ClosedCaptionSize.Default)
{
captionElement.Style.FontSize = new TT.Length
{
Unit = captionElement.Style.FontSize.Unit,
Value = GetComputedFontPercent(ClosedCaptionProperties.FontSize) * captionElement.Style.FontSize.Value
};
}
var fontFamily = GetFontFamily();
if (fontFamily != null)
{
captionElement.Style.FontFamily = fontFamily;
#if WINDOWS_PHONE
if (userSettings.FontFamily == FontFamily.Cursive)
{
captionElement.Style.FontStyle = System.Windows.FontStyles.Italic;
}
#endif
}
ApplyFontStyle(captionElement);
var children = captionElement.Children as TT.MediaMarkerCollection <TT.TimedTextElement>;
if (children != null)
{
foreach (var child in children)
{
UpdateElement(child, level + 1);
}
}
}
private void HideCaption(TimedTextElement timedTextElement)
{
var caption = timedTextElement as CaptionElement;
if (caption != null && _activeElements.ContainsKey(caption))
{
CaptionsPanel.Children.Remove(_activeElements[caption]);
_activeElements.Remove(caption);
}
}
private void ShowCaption(TimedTextElement timedTextElement)
{
var caption = timedTextElement as CaptionElement;
if (caption != null)
{
caption.CalculateCurrentStyle(_mediaPosition);
var uiElement = RenderElement(caption);
if (uiElement != null)
{
if (_activeElements.ContainsKey(caption))
{
HideCaption(timedTextElement);
}
_activeElements.Add(caption, uiElement);
CaptionsPanel.Children.Clear();
_activeElements.OrderBy(i => i.Key.Index)
.ForEach(i => CaptionsPanel.Children.Add(i.Value));
}
}
}
private static CaptionRegion MapToCaptionRegion(RegionElement regionElement)
{
var endTime = regionElement.End.TotalSeconds >= TimeSpan.MaxValue.TotalSeconds
? TimeSpan.MaxValue
: TimeSpan.FromSeconds(regionElement.End.TotalSeconds);
var captionRegion = new CaptionRegion
{
Id = regionElement.Id,
Begin = TimeSpan.FromSeconds(regionElement.Begin.TotalSeconds),
End = endTime,
Style = TimedTextStyleParser.MapStyle(regionElement, null),
TunneledData = regionElement.Root.Images.ToDictionary(ie => ie.Key, ie => new TunneledData()
{
Data = ie.Value.Data, Encoding = ie.Value.Encoding, MimeType = ie.Value.ImageType
})
};
foreach (TimedTextElementBase element in regionElement.Children)
{
TimedTextElement child = BuildTimedTextElements(element, null);
if (child != null && child.CaptionElementType == TimedTextElementType.Animation)
{
#if HACK_XAMLTYPEINFO
var children = captionRegion.Animations as MediaMarkerCollection <TimedTextAnimation>;
#else
var children = captionRegion.Animations;
#endif
children.Add(child as TimedTextAnimation);
}
}
return(captionRegion);
}
/// <summary>
/// Apply the font style
/// </summary>
/// <param name="captionElement">the caption element</param>
/// <param name="userSettings">the user settings</param>
private static void ApplyFontStyle(TimedTextElement captionElement, CustomCaptionSettings userSettings)
{
var outlineWidth = 1.0;
if (userSettings.FontSize.HasValue)
{
outlineWidth = System.Convert.ToDouble(userSettings.FontSize.Value) / 100.0;
}
var outlineColor = Media.Colors.Black;
if (userSettings.FontColor != null)
{
outlineColor = Media.Color.FromArgb(255, 0, 0, 0);
}
switch (userSettings.FontStyle)
{
case FontStyle.Default:
captionElement.Style.TextStyle = TextStyle.Default;
// Todo: look at code for calculation of OutlineWidth and OutlineBlur
captionElement.Style.OutlineWidth = new Length { Value = outlineWidth, Unit = LengthUnit.Pixel };
captionElement.Style.OutlineColor = outlineColor;
break;
case FontStyle.DepressedEdge:
captionElement.Style.TextStyle = TextStyle.DepressedEdge;
captionElement.Style.OutlineColor = outlineColor;
captionElement.Style.OutlineWidth = new Length { Value = outlineWidth, Unit = LengthUnit.Pixel };
break;
case FontStyle.DropShadow:
captionElement.Style.TextStyle = TextStyle.DropShadow;
// Todo: look at code for calculation of OutlineWidth and OutlineBlur
captionElement.Style.OutlineColor = outlineColor;
captionElement.Style.OutlineWidth = new Length { Value = outlineWidth, Unit = LengthUnit.Pixel };
break;
case FontStyle.None:
captionElement.Style.TextStyle = TextStyle.None;
break;
case FontStyle.Outline:
captionElement.Style.TextStyle = TextStyle.Outline;
captionElement.Style.OutlineWidth = new Length { Value = outlineWidth, Unit = LengthUnit.Pixel };
captionElement.Style.OutlineColor = outlineColor;
break;
case FontStyle.RaisedEdge:
captionElement.Style.TextStyle = TextStyle.RaisedEdge;
captionElement.Style.OutlineWidth = new Length { Value = outlineWidth, Unit = LengthUnit.Pixel };
captionElement.Style.OutlineColor = outlineColor;
break;
}
}
/// <summary>
/// Recursively update the caption elements
/// </summary>
/// <param name="captionElement">the caption element</param>
/// <param name="userSettings">the user settings</param>
/// <param name="level">the 0-based level of the caption element</param>
private static void UpdateElement(
TimedTextElement captionElement,
CustomCaptionSettings userSettings,
uint level)
{
if (level == 0)
{
if (userSettings.WindowColor != null)
{
captionElement.Style.BackgroundColor = userSettings.WindowColor.ToColor();
}
}
else if (level == 1)
{
if (userSettings.BackgroundColor != null)
{
captionElement.Style.BackgroundColor = userSettings.BackgroundColor.ToColor();
}
}
if (userSettings.FontColor != null)
{
captionElement.Style.Color = userSettings.FontColor.ToColor();
}
if (userSettings.FontSize.HasValue)
{
captionElement.Style.FontSize = new Length
{
Unit = captionElement.Style.FontSize.Unit,
Value = System.Convert.ToDouble(userSettings.FontSize.Value) * captionElement.Style.FontSize.Value / 100.0
};
}
var fontFamily = GetFontFamily(userSettings);
if (fontFamily != null)
{
captionElement.Style.FontFamily = fontFamily;
#if WINDOWS_PHONE
if (userSettings.FontFamily == FontFamily.Cursive)
{
captionElement.Style.FontStyle = System.Windows.FontStyles.Italic;
}
#endif
}
ApplyFontStyle(captionElement, userSettings);
var children = captionElement.Children as MediaMarkerCollection<TimedTextElement>;
if (children != null)
{
foreach (var child in children)
{
UpdateElement(child, userSettings, level + 1);
}
}
}
/// <summary>
/// Apply the font style
/// </summary>
/// <param name="captionElement">the caption element</param>
private static void ApplyFontStyle(TT.TimedTextElement captionElement)
{
var outlineWidth = 1.0;
if (ClosedCaptionProperties.FontSize != ClosedCaptionSize.Default)
{
outlineWidth = GetComputedFontPercent(ClosedCaptionProperties.FontSize);
}
var outlineColor = Colors.Black;
if (ClosedCaptionProperties.FontColor != ClosedCaptionColor.Default)
{
outlineColor = Color.FromArgb(255, 0, 0, 0);
}
switch (ClosedCaptionProperties.FontEffect)
{
case ClosedCaptionEdgeEffect.Default:
captionElement.Style.TextStyle = TT.TextStyle.Default;
// Todo: look at code for calculation of OutlineWidth and OutlineBlur
captionElement.Style.OutlineWidth = new TT.Length {
Value = outlineWidth, Unit = TT.LengthUnit.Pixel
};
captionElement.Style.OutlineColor = outlineColor;
break;
case ClosedCaptionEdgeEffect.Depressed:
captionElement.Style.TextStyle = TT.TextStyle.DepressedEdge;
captionElement.Style.OutlineColor = outlineColor;
captionElement.Style.OutlineWidth = new TT.Length {
Value = outlineWidth, Unit = TT.LengthUnit.Pixel
};
break;
case ClosedCaptionEdgeEffect.DropShadow:
captionElement.Style.TextStyle = TT.TextStyle.DropShadow;
// Todo: look at code for calculation of OutlineWidth and OutlineBlur
captionElement.Style.OutlineColor = outlineColor;
captionElement.Style.OutlineWidth = new TT.Length {
Value = outlineWidth, Unit = TT.LengthUnit.Pixel
};
break;
case ClosedCaptionEdgeEffect.None:
captionElement.Style.TextStyle = TT.TextStyle.None;
break;
case ClosedCaptionEdgeEffect.Uniform:
captionElement.Style.TextStyle = TT.TextStyle.Outline;
captionElement.Style.OutlineWidth = new TT.Length {
Value = outlineWidth, Unit = TT.LengthUnit.Pixel
};
captionElement.Style.OutlineColor = outlineColor;
break;
case ClosedCaptionEdgeEffect.Raised:
captionElement.Style.TextStyle = TT.TextStyle.RaisedEdge;
captionElement.Style.OutlineWidth = new TT.Length {
Value = outlineWidth, Unit = TT.LengthUnit.Pixel
};
captionElement.Style.OutlineColor = outlineColor;
break;
}
}
private void HideCaption(TimedTextElement timedTextElement)
{
var caption = timedTextElement as CaptionElement;
if (caption != null && _activeElements.ContainsKey(caption))
{
CaptionsPanel.Children.Remove(_activeElements[caption]);
_activeElements.Remove(caption);
}
}
private void ShowCaption(TimedTextElement timedTextElement)
{
var caption = timedTextElement as CaptionElement;
if (caption != null)
{
caption.CalculateCurrentStyle(_mediaPosition);
var uiElement = RenderElement(caption);
if (uiElement != null)
{
if (_activeElements.ContainsKey(caption))
{
HideCaption(timedTextElement);
}
_activeElements.Add(caption, uiElement);
CaptionsPanel.Children.Clear();
_activeElements.OrderBy(i => i.Key.Index)
.ForEach(i => CaptionsPanel.Children.Add(i.Value));
}
}
}
void _captionManager_MarkerReached(IMarkerManager<TimedTextElement> sender, TimedTextElement marker)
{
_mediaPosition = marker.Begin;
ShowCaption(marker);
}
void _captionManager_MarkerLeft(IMarkerManager<TimedTextElement> sender, TimedTextElement marker)
{
_mediaPosition = marker.End;
HideCaption(marker);
}
void _captionManager_MarkerReached(IMarkerManager <TimedTextElement> sender, TimedTextElement marker)
{
_mediaPosition = marker.Begin;
ShowCaption(marker);
}
void _captionManager_MarkerLeft(IMarkerManager <TimedTextElement> sender, TimedTextElement marker)
{
_mediaPosition = marker.End;
HideCaption(marker);
}
