private IList <int> EnumerateStrokeSampleIndicesBetweenCurrencyTokens(CurrencyToken oldCurrencyToken, CurrencyToken newCurrencyToken)
{
Validate.Begin().IsNotNull <CurrencyToken>(oldCurrencyToken, "oldCurrencyToken").IsNotNull <CurrencyToken>(newCurrencyToken, "newCurrencyToken").Check();
int count = newCurrencyToken.StrokeSamplesCount - oldCurrencyToken.StrokeSamplesCount;
int startIndex = oldCurrencyToken.StrokeSamplesCount;
return(new FuncList <int>(count, i => i + startIndex));
}
private IList <int?> GetStrokeSampleIndicesInRect(RectInt32 bounds, CurrencyToken currencyToken)
{
Validate.IsNotNull <CurrencyToken>(currencyToken, "currencyToken");
if (this != currencyToken.RenderData)
{
throw new ArgumentException();
}
this.EnsureStrokeSamplesUpdated();
using (this.rwLock.UseReadLock())
{
int tokenStrokeSampleCount = currencyToken.StrokeSamplesCount;
return(this.EnumerateStrokeSampleIndicesInRectWhileLockedAndUpdated(bounds).Select <int, int?>(delegate(int si) {
if (si >= tokenStrokeSampleCount)
{
return null;
}
return new int?(si);
}));
}
}
private IList <int?> EnumerateStrokeSampleIndicesForCurrencyToken(CurrencyToken currencyToken)
{
Validate.IsNotNull <CurrencyToken>(currencyToken, "currencyToken");
return(new FuncList <int?>(currencyToken.StrokeSamplesCount, i => new int?(i)));
}
