/// <summary>
/// Rounds the current scaling factor up to the next power of two.
/// </summary>
/// <returns>The new ScaleFactor value.</returns>
public ScaleFactor GetNextLarger()
{
double ratio = Ratio + 0.005;
int index = Array.FindIndex(
scales,
delegate(double scale) {
return(ratio <= scale);
});
if (index == -1)
{
index = scales.Length;
}
index = Math.Min(index, scales.Length - 1);
return(ScaleFactor.FromDouble(scales[index]));
}
public ScaleFactor GetNextSmaller()
{
double ratio = Ratio - 0.005;
int index = Array.FindIndex(
scales,
delegate(double scale) {
return(ratio <= scale);
});
--index;
if (index == -1)
{
index = 0;
}
index = Math.Max(index, 0);
return(ScaleFactor.FromDouble(scales[index]));
}