/// <summary>
/// Transforms the specified linear address.
/// </summary>
/// <param name="linearAddress">The linear address.</param>
/// <param name="geometry">The geometry.</param>
/// <returns></returns>
/// <remarks></remarks>
public static CubicAddress Transform(long linearAddress, CubicAddress geometry)
{
var cubicAddress = new CubicAddress();
uint sectorsPerCylinder = geometry.Sector*geometry.Head;
long remainder;
cubicAddress.Cylinder = Math.DivRem(linearAddress, sectorsPerCylinder, out remainder);
cubicAddress.Head = (uint) Math.DivRem(remainder, geometry.Sector, out remainder);
cubicAddress.Sector = 1 + (uint) remainder;
return cubicAddress;
}
/// <summary>
/// Initializes a new instance of the <see cref="DiskGeometry"/> class.
/// </summary>
/// <param name="deviceName">Name of the device.</param>
/// <remarks></remarks>
private DiskGeometry(String deviceName)
{
var x = new Win32.DISK_GEOMETRY_EX();
InputOutputControlExtension.Execute(ref x, InputOutputControlExtension.DISK_GET_DRIVE_GEOMETRY_EX,
deviceName);
m_DiskSize = x.DiskSize;
m_Geometry = x.Geometry;
long remainder;
m_MaximumLinearAddress = Math.DivRem(DiskSize, BytesPerSector, out remainder) - 1;
ThrowIfDiskSizeOutOfIntegrity(remainder);
m_BytesPerCylinder = BytesPerSector*Sector*Head;
m_MaximumCubicAddress = Transform(m_MaximumLinearAddress, this);
}
