/// <summary>
/// Sets the specified value for only those element of the array where the mask is non-zero.
/// </summary>
/// <typeparam name="T">Element type.</typeparam>
/// <param name="array">Array with value type elements.</param>
/// <param name="value">Value to set.</param>
/// <param name="mask">Mask.</param>
public static void SetValue <T>(this T[,] array, T value, Gray <byte>[,] mask)
{
if (array.Size() != mask.Size())
{
throw new ArgumentException("Array and mask must have the same size.");
}
ParallelLauncher.Launch((thread) =>
{
if (mask[thread.Y, thread.X] != 0)
{
array[thread.Y, thread.X] = value;
}
},
array.Width(), array.Height());
}
/// <summary>
/// Copies values from source to destination image using mask. Destination values where mask == 0 are not erased!.
/// </summary>
/// <param name="source">Image.</param>
/// <param name="destination">Destination image</param>
/// <param name="mask">Mask. Color locations that need to be copied must be set to !=0 in mask.</param>
public static void CopyTo <TColor>(this TColor[,] source, TColor[,] destination, Gray <byte>[,] mask)
where TColor : struct
{
if (source.Size() != mask.Size() || source.Size() != destination.Size())
{
throw new Exception("Image, mask, destImg size must be the same!");
}
ParallelLauncher.Launch((thread) =>
{
if (mask[thread.Y, thread.X] != 0)
{
destination[thread.Y, thread.X] = source[thread.Y, thread.X];
}
},
source.Width(), source.Height());
}