public static string Ratio(BulRatio value)
{
switch (value)
{
case BulRatio.RSquare:
return("is-square");
case BulRatio.R1by1:
return("is-1by1");
case BulRatio.R5by4:
return("is-5by4");
case BulRatio.R4by3:
return("is-4by3");
case BulRatio.R3by2:
return("is-3by2");
case BulRatio.R5by3:
return("is-5by3");
case BulRatio.R16by9:
return("is-16by9");
case BulRatio.R2by1:
return("is-2by1");
case BulRatio.R3by1:
return("is-3by1");
case BulRatio.R4by5:
return("is-4by5");
case BulRatio.R3by4:
return("is-3by4");
case BulRatio.R2by3:
return("is-2by3");
case BulRatio.R3by5:
return("is-3by5");
case BulRatio.R9by16:
return("is-9by16");
case BulRatio.R1by2:
return("is-1by2");
case BulRatio.R1by3:
return("is-1by3");
default:
return("is-square");
}
}
/// <summary>
/// Find the closest supported ratio for a given width and height
/// </summary>
public static BulRatio FindClosest(int width, int height)
{
int gcd = GreatestCommonDivisor(width, height);
double ratioW = (double)width / gcd;
double ratioH = (double)height / gcd;
double ratio = (double)ratioW / ratioH;
double closestDiff = 99;
BulRatio closestRatio = BulRatio.R16by9;
foreach (var availRatio in FractionMap)
{
var diff = Math.Abs(availRatio.Value - ratio);
if (diff < closestDiff)
{
closestDiff = diff;
closestRatio = availRatio.Key;
}
}
return(closestRatio);
}