private static AssLine CreateKaraokeStepLine(AssLine originalLine, SortedList <TimeSpan, int> activeSectionsPerStep, int stepIdx)
{
TimeSpan timeOffset = activeSectionsPerStep.Keys[stepIdx];
int numActiveSections = activeSectionsPerStep.Values[stepIdx];
DateTime startTime = TimeUtil.SnapTimeToFrame((originalLine.Start + timeOffset).AddMilliseconds(20));
if (startTime >= originalLine.End)
{
return(null);
}
DateTime endTime;
if (stepIdx < activeSectionsPerStep.Count - 1)
{
endTime = TimeUtil.SnapTimeToFrame((originalLine.Start + activeSectionsPerStep.Keys[stepIdx + 1]).AddMilliseconds(20)).AddMilliseconds(-1);
if (endTime > originalLine.End)
{
endTime = originalLine.End;
}
}
else
{
endTime = originalLine.End;
}
AssLine stepLine = (AssLine)originalLine.Clone();
stepLine.Start = startTime;
stepLine.End = endTime;
foreach (AssSection section in stepLine.Sections.Take(numActiveSections))
{
section.Animations.RemoveAll(a => a is SecondaryColorAnimation);
}
foreach (AssSection section in stepLine.Sections.Skip(numActiveSections))
{
section.ForeColor = section.SecondaryColor;
section.Animations.RemoveAll(a => a is ForeColorAnimation);
foreach (SecondaryColorAnimation anim in section.Animations.OfType <SecondaryColorAnimation>().ToList())
{
section.Animations.Remove(anim);
section.Animations.Add(new ForeColorAnimation(anim.StartTime, anim.StartColor, anim.EndTime, anim.EndColor));
}
if (section.ForeColor.A == 0 && !section.Animations.OfType <ForeColorAnimation>().Any())
{
section.ForeColor = Color.FromArgb(0, 0, 0, 0);
section.BackColor = Color.FromArgb(0, 0, 0, 0);
section.ShadowColors.Clear();
}
}
AddKaraokeEffects(originalLine, stepLine, activeSectionsPerStep, stepIdx);
return(stepLine);
}
private AssLine CreateTextVisualizationLine(AssLine originalLine)
{
AssLine textLine = (AssLine)originalLine.Clone();
foreach (AssSection textSection in textLine.Sections)
{
textSection.BackColor = Color.Empty;
textSection.ShadowColors.Clear();
}
return(textLine);
}
private AssLine CreateBackgroundVisualizationLine(AssLine originalLine)
{
AssLine backgroundLine = (AssLine)originalLine.Clone();
foreach (AssSection section in backgroundLine.Sections)
{
section.ForeColor = Color.Empty;
section.SecondaryColor = Color.Empty;
section.ShadowColors.Clear();
}
return(backgroundLine);
}
private AssLine CreateShadowVisualizationLine(AssLine originalLine, Func <AssSection, Color> getShadowColor, float positionOffset, float blur)
{
AssLine shadowLine = (AssLine)originalLine.Clone();
if (positionOffset != 0)
{
PointF position = shadowLine.Position ?? GetDefaultPosition(shadowLine.AnchorPoint);
shadowLine.Position = new PointF(position.X + positionOffset, position.Y + positionOffset);
}
foreach (AssSection shadowSection in shadowLine.Sections)
{
shadowSection.ForeColor = getShadowColor(shadowSection);
shadowSection.BackColor = Color.Empty;
shadowSection.ShadowColors.Clear();
shadowSection.Blur = blur;
}
return(shadowLine);
}
private IEnumerable <AssLine> CreateKaraokeStepLines(AssLine originalLine, SortedList <TimeSpan, int> activeSectionsPerStep, int stepIdx)
{
TimeSpan timeOffset = activeSectionsPerStep.Keys[stepIdx];
int numActiveSections = activeSectionsPerStep.Values[stepIdx];
DateTime startTime = TimeUtil.RoundTimeToFrameCenter(originalLine.Start + timeOffset);
if (startTime >= originalLine.End)
{
return(new List <AssLine>());
}
DateTime endTime;
if (stepIdx < activeSectionsPerStep.Count - 1)
{
endTime = TimeUtil.RoundTimeToFrameCenter(originalLine.Start + activeSectionsPerStep.Keys[stepIdx + 1]);
if (endTime > originalLine.End)
{
endTime = originalLine.End;
}
}
else
{
endTime = originalLine.End;
}
AssLine stepLine = (AssLine)originalLine.Clone();
stepLine.Start = startTime;
stepLine.End = endTime;
foreach (AssSection section in stepLine.Sections.Take(numActiveSections))
{
section.Duration = TimeSpan.Zero;
section.StartOffset = TimeSpan.Zero;
section.Animations.RemoveAll(a => a is SecondaryColorAnimation);
}
foreach (AssSection section in stepLine.Sections.Skip(numActiveSections))
{
section.Duration = TimeSpan.Zero;
section.StartOffset = TimeSpan.Zero;
section.ForeColor = section.SecondaryColor;
section.Animations.RemoveAll(a => a is ForeColorAnimation);
foreach (SecondaryColorAnimation anim in section.Animations.OfType <SecondaryColorAnimation>().ToList())
{
section.Animations.Remove(anim);
section.Animations.Add(new ForeColorAnimation(anim.StartTime, anim.StartColor, anim.EndTime, anim.EndColor, anim.Acceleration));
}
if (section.ForeColor.A == 0 && !section.Animations.OfType <ForeColorAnimation>().Any())
{
section.ForeColor = Color.FromArgb(0);
section.BackColor = Color.FromArgb(0);
section.ShadowColors.Clear();
}
}
return(ApplyKaraokeType(originalLine, stepLine, activeSectionsPerStep, stepIdx));
}
