public static Box2i FitBox(Vector2i area, Vector2i areaToFit, BoxFitMode fitMode)
{
if ((area.X <= 0) || (area.Y <= 0))
{
return(Box2i.Empty);
}
var boxDimensions = FindBoxDimensions(area, areaToFit, fitMode);
var offset = (area - boxDimensions) / 2;
return(new Box2i(offset, boxDimensions));
}
private static Vector2i FindBoxDimensions(Vector2i area, Vector2i areaToFit, BoxFitMode fitMode)
{
var boxWidth = area.X;
var boxHeight = area.Y;
if ((areaToFit.X > 0) && (areaToFit.Y > 0) && (fitMode != BoxFitMode.Stretch))
{
var areaRatio = ((double)area.X) / ((double)area.Y);
var areaToFitRatio = ((double)areaToFit.X) / ((double)areaToFit.Y);
if (areaRatio > areaToFitRatio)
{
boxWidth = (int)System.Math.Round(area.Y * areaToFitRatio);
}
else
{
boxHeight = (int)System.Math.Round(area.X / areaToFitRatio);
}
}
return(new Vector2i(boxWidth, boxHeight));
}
