public static Size Confine(Size requiredSize, Size imageSize)
{
if (imageSize.Width <= requiredSize.Width && imageSize.Height <= requiredSize.Height)
{
return imageSize;
}
var scaleW = requiredSize.Width / (double)imageSize.Width;
var scaleH = requiredSize.Height / (double)imageSize.Height;
var scale = Math.Min(scaleW, scaleH);
return new Size
{
Width = (int)Math.Round((imageSize.Width * scale)),
Height = (int)Math.Round((imageSize.Height * scale))
};
}
public static Size Confine(int boundingSquare, Size imageSize)
{
return Confine(new Size { Width = boundingSquare, Height = boundingSquare }, imageSize);
}