/// <summary>
/// Executes the user defined two source filter operation.
/// </summary>
/// <typeparam name="TColor">Image color.</typeparam>
/// <param name="imageA">First image.</param>
/// <param name="imageB">Second image.</param>
/// <param name="func">User defined operation.</param>
/// <param name="inPlace">If true the result is going to be stored in the first image. If false a new image is going to be created.</param>
/// <returns>he result image. If <paramref name="inPlace"/> is set to true, the return value can be discarded.</returns>
public static TColor[,] Calculate <TColor>(this TColor[,] imageA, TColor[,] imageB, TwoSourceFilterFunc <TColor> func, bool inPlace = false)
where TColor : struct
{
TColor[,] dest = imageA;
if (!inPlace)
{
dest = imageA.CopyBlank();
}
ParallelLauncher.Launch(thread =>
{
func(ref imageA[thread.Y, thread.X], ref imageB[thread.Y, thread.X], ref dest[thread.Y, thread.X]);
},
imageA.Width(), imageA.Height());
return(dest);
}
/// <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());
}
/// <summary>
/// Replaces real channel with the specified one.
/// </summary>
/// <param name="source">Source image.</param>
/// <param name="value">The matrix which replaces the real channel of a source.</param>
/// <param name="sourceArea">Source working area.</param>
public static void ReplaceRe(this ComplexF[,] source, float[,] value, Rectangle sourceArea)
{
if (source.Width() > sourceArea.Right ||
source.Height() > sourceArea.Bottom ||
sourceArea.X < 0 ||
sourceArea.Y < 0)
{
throw new ArgumentException("Source area must fit within the source image.");
}
if (value.Width() != sourceArea.Width ||
value.Height() != sourceArea.Height)
{
throw new ArgumentException("Value size must be the same as source area size.");
}
ParallelLauncher.Launch(thread =>
{
source[thread.Y + sourceArea.Y, thread.X + sourceArea.X].Re = value[thread.Y, thread.X];
},
sourceArea.Width, sourceArea.Height);
}
