/// <summary>
/// Gets or sets the data at the requested co-ordinates.
/// </summary>
/// <remarks>
/// For reading/writing single elements, using the this member is recommended, but may be slow when attempting
/// to copy large sections of the data. In these circumstances, consider using something like
/// <see cref="UnsafeUtils.CopyGenericArray{T}(Ophidian.Losgap.ArraySlice{T},System.IntPtr,uint)"/> /
/// <see cref="UnsafeUtils.CopyGenericArray{T}(System.IntPtr,Ophidian.Losgap.ArraySlice{T},uint)"/> in combination with the
/// <see cref="Data"/> member.
/// </remarks>
/// <param name="u">The u-coordinate to copy.</param>
/// <returns>A copy of the data at the requested co-ordinate.</returns>
public T this[uint u] {
get {
Assure.LessThan(u, Width, "Index out of bounds: u");
return(UnsafeUtils.ReadGenericFromPtr <T>(Data + (int)(sizeOfT * u), sizeOfT));
}
set {
Assure.LessThan(u, Width, "Index out of bounds: u");
UnsafeUtils.WriteGenericToPtr(Data + (int)(sizeOfT * u), value, sizeOfT);
}
}
/// <summary>
/// Gets or sets the data at the requested co-ordinates.
/// </summary>
/// <remarks>
/// For reading/writing single elements, using this member is recommended, but may be slow when attempting
/// to copy large sections of the data. In these circumstances, consider using something like
/// <see cref="UnsafeUtils.CopyGenericArray{T}(Ophidian.Losgap.ArraySlice{T},System.IntPtr,uint)"/> /
/// <see cref="UnsafeUtils.CopyGenericArray{T}(System.IntPtr,Ophidian.Losgap.ArraySlice{T},uint)"/> in combination with the
/// <see cref="Data"/> member.
/// </remarks>
/// <param name="u">The u-coordinate to copy.</param>
/// <param name="v">The v-coordinate to copy.</param>
/// <returns>A copy of the data at the requested co-ordinate.</returns>
public T this[uint u, uint v] {
get {
Assure.LessThan(u, Width, "Index out of bounds: u");
Assure.LessThan(v, Height, "Index out of bounds: v");
return(UnsafeUtils.ReadGenericFromPtr <T>(Data + (int)(u * sizeOfT + v * rowStrideBytes), sizeOfT));
}
set {
Assure.LessThan(u, Width, "Index out of bounds: u");
Assure.LessThan(v, Height, "Index out of bounds: v");
UnsafeUtils.WriteGenericToPtr(Data + (int)(u * sizeOfT + v * rowStrideBytes), value, sizeOfT);
}
}
/// <summary>
/// Read the current value from the <see cref="AlignedPointer"/>.
/// </summary>
/// <returns>The value currently stored in this allocation.</returns>
public T Read()
{
Assure.NotEqual(AlignedPointer, IntPtr.Zero);
return(UnsafeUtils.ReadGenericFromPtr <T>(AlignedPointer, sizeOfT));
}
