public static Tuple <string, double, double, IMVTextFormat> Get(this IMVCaptionHighlight self, int index)
{
string caption;
double start, end;
IMVTextFormat format;
self.GetCaptionHighlight((uint)index, out caption, out start, out end, out format);
return(new Tuple <string, double, double, IMVTextFormat>(caption, start, end, format));
}
/// <summary>
/// Returns a list of all created highlights
/// </summary>
/// <param name="self">The IMVCaptionHighlight instance</param>
/// <returns>List of highlight tuples</returns>
public static void VerifyUserDescriptors(this IMVCaptionHighlight self)
{
var highlights = self.Highlights();
var temp = Path.Combine(Path.GetTempPath(), "temp.mpd");
try
{
self.SaveCaptionsToFile(temp, 0);
self.ClearAllCaptionHighlights();
Debug.Assert(self.CaptionHighlightCount == 0, "ClearAllHighlights failed");
self.LoadCaptionsFromFile(temp, 0);
}
finally
{
if (File.Exists(temp))
{
File.Delete(temp);
}
}
Debug.Assert(self.CaptionHighlightCount == highlights.Count);
Func <double, double, bool> equals = (x, y) =>
{
// compensate for floating point differences
var difference = Math.Abs(x * 0.00001);
return(Math.Abs(x - y) <= difference);
};
for (int i = 0; i < highlights.Count; i++)
{
var tuple1 = self.Get(i);
var tuple2 = highlights[i];
Debug.Assert(
tuple1.Item1 == tuple2.Item1 && equals(tuple1.Item2, tuple2.Item2) &&
equals(tuple1.Item3, tuple2.Item3));
}
}
/// <summary>
/// Returns a list of all created highlights
/// </summary>
/// <param name="self">The IMVCaptionHighlight instance</param>
/// <returns>List of highlight tuples</returns>
public static List <Tuple <string, double, double, IMVTextFormat> > Highlights(this IMVCaptionHighlight self)
{
var highlights = new List <Tuple <string, double, double, IMVTextFormat> >();
for (int i = 0; i < self.CaptionHighlightCount; i++)
{
highlights.Add(self.Get(i));
}
return(highlights);
}
