/// <summary>
/// Sets up the edge detection filter
/// </summary>
protected void CreateFilter()
{
EdgeDetectionFilter = new Filter(3, 3);
if (Direction == Direction.TopBottom)
{
if (!Invert)
{
EdgeDetectionFilter.MyFilter[0, 0] = 1;
EdgeDetectionFilter.MyFilter[1, 0] = 2;
EdgeDetectionFilter.MyFilter[2, 0] = 1;
EdgeDetectionFilter.MyFilter[0, 1] = 0;
EdgeDetectionFilter.MyFilter[1, 1] = 0;
EdgeDetectionFilter.MyFilter[2, 1] = 0;
EdgeDetectionFilter.MyFilter[0, 2] = -1;
EdgeDetectionFilter.MyFilter[1, 2] = -2;
EdgeDetectionFilter.MyFilter[2, 2] = -1;
}
else
{
EdgeDetectionFilter.MyFilter[0, 0] = -1;
EdgeDetectionFilter.MyFilter[1, 0] = -2;
EdgeDetectionFilter.MyFilter[2, 0] = -1;
EdgeDetectionFilter.MyFilter[0, 1] = 0;
EdgeDetectionFilter.MyFilter[1, 1] = 0;
EdgeDetectionFilter.MyFilter[2, 1] = 0;
EdgeDetectionFilter.MyFilter[0, 2] = 1;
EdgeDetectionFilter.MyFilter[1, 2] = 2;
EdgeDetectionFilter.MyFilter[2, 2] = 1;
}
}
else
{
if (!Invert)
{
EdgeDetectionFilter.MyFilter[0, 0] = -1;
EdgeDetectionFilter.MyFilter[0, 1] = -2;
EdgeDetectionFilter.MyFilter[0, 2] = -1;
EdgeDetectionFilter.MyFilter[1, 0] = 0;
EdgeDetectionFilter.MyFilter[1, 1] = 0;
EdgeDetectionFilter.MyFilter[1, 2] = 0;
EdgeDetectionFilter.MyFilter[2, 0] = 1;
EdgeDetectionFilter.MyFilter[2, 1] = 2;
EdgeDetectionFilter.MyFilter[2, 2] = 1;
}
else
{
EdgeDetectionFilter.MyFilter[0, 0] = 1;
EdgeDetectionFilter.MyFilter[0, 1] = 2;
EdgeDetectionFilter.MyFilter[0, 2] = 1;
EdgeDetectionFilter.MyFilter[1, 0] = 0;
EdgeDetectionFilter.MyFilter[1, 1] = 0;
EdgeDetectionFilter.MyFilter[1, 2] = 0;
EdgeDetectionFilter.MyFilter[2, 0] = -1;
EdgeDetectionFilter.MyFilter[2, 1] = -2;
EdgeDetectionFilter.MyFilter[2, 2] = -1;
}
}
EdgeDetectionFilter.Offset = 127;
}
/// <summary>
/// Sets up the edge detection filter
/// </summary>
private void CreateFilter()
{
try
{
_EdgeDetectionFilter = new Filter(3, 3);
if (_Direction == Direction.TopBottom)
{
if (!_Invert)
{
_EdgeDetectionFilter.MyFilter[0, 0] = 1;
_EdgeDetectionFilter.MyFilter[1, 0] = 2;
_EdgeDetectionFilter.MyFilter[2, 0] = 1;
_EdgeDetectionFilter.MyFilter[0, 1] = 0;
_EdgeDetectionFilter.MyFilter[1, 1] = 0;
_EdgeDetectionFilter.MyFilter[2, 1] = 0;
_EdgeDetectionFilter.MyFilter[0, 2] = -1;
_EdgeDetectionFilter.MyFilter[1, 2] = -2;
_EdgeDetectionFilter.MyFilter[2, 2] = -1;
}
else
{
_EdgeDetectionFilter.MyFilter[0, 0] = -1;
_EdgeDetectionFilter.MyFilter[1, 0] = -2;
_EdgeDetectionFilter.MyFilter[2, 0] = -1;
_EdgeDetectionFilter.MyFilter[0, 1] = 0;
_EdgeDetectionFilter.MyFilter[1, 1] = 0;
_EdgeDetectionFilter.MyFilter[2, 1] = 0;
_EdgeDetectionFilter.MyFilter[0, 2] = 1;
_EdgeDetectionFilter.MyFilter[1, 2] = 2;
_EdgeDetectionFilter.MyFilter[2, 2] = 1;
}
}
else
{
if (!_Invert)
{
_EdgeDetectionFilter.MyFilter[0, 0] = -1;
_EdgeDetectionFilter.MyFilter[0, 1] = -2;
_EdgeDetectionFilter.MyFilter[0, 2] = -1;
_EdgeDetectionFilter.MyFilter[1, 0] = 0;
_EdgeDetectionFilter.MyFilter[1, 1] = 0;
_EdgeDetectionFilter.MyFilter[1, 2] = 0;
_EdgeDetectionFilter.MyFilter[2, 0] = 1;
_EdgeDetectionFilter.MyFilter[2, 1] = 2;
_EdgeDetectionFilter.MyFilter[2, 2] = 1;
}
else
{
_EdgeDetectionFilter.MyFilter[0, 0] = 1;
_EdgeDetectionFilter.MyFilter[0, 1] = 2;
_EdgeDetectionFilter.MyFilter[0, 2] = 1;
_EdgeDetectionFilter.MyFilter[1, 0] = 0;
_EdgeDetectionFilter.MyFilter[1, 1] = 0;
_EdgeDetectionFilter.MyFilter[1, 2] = 0;
_EdgeDetectionFilter.MyFilter[2, 0] = -1;
_EdgeDetectionFilter.MyFilter[2, 1] = -2;
_EdgeDetectionFilter.MyFilter[2, 2] = -1;
}
}
_EdgeDetectionFilter.Offset = 127;
}
catch (Exception e) { throw e; }
}
/// <summary>
/// Sobel emboss function
/// </summary>
/// <param name="Image">Image to manipulate</param>
/// <returns>A bitmap image</returns>
public static Bitmap SobelEmboss(Bitmap Image)
{
Filter TempFilter = new Filter(3, 3);
TempFilter.MyFilter[0, 0] = -1;
TempFilter.MyFilter[0, 1] = 0;
TempFilter.MyFilter[0, 2] = 1;
TempFilter.MyFilter[1, 0] = -2;
TempFilter.MyFilter[1, 1] = 0;
TempFilter.MyFilter[1, 2] = 2;
TempFilter.MyFilter[2, 0] = -1;
TempFilter.MyFilter[2, 1] = 0;
TempFilter.MyFilter[2, 2] = 1;
TempFilter.Offset = 127;
return TempFilter.ApplyFilter(Image);
}
/// <summary>
/// Does smoothing using a box blur
/// </summary>
/// <param name="Image">Image to manipulate</param>
/// <param name="Size">Size of the aperture</param>
public static Bitmap BoxBlur(Bitmap Image, int Size)
{
Filter TempFilter = new Filter(Size, Size);
for (int x = 0; x < Size; ++x)
{
for (int y = 0; y < Size; ++y)
{
TempFilter.MyFilter[x, y] = 1;
}
}
return TempFilter.ApplyFilter(Image);
}
/// <summary>
/// Sharpen focus function
/// </summary>
/// <param name="Image">Image to manipulate</param>
/// <returns>A bitmap image</returns>
public static Bitmap SharpenLess(Bitmap Image)
{
Filter TempFilter = new Filter(3, 3);
TempFilter.MyFilter[0, 0] = -1;
TempFilter.MyFilter[0, 1] = 0;
TempFilter.MyFilter[0, 2] = -1;
TempFilter.MyFilter[1, 0] = 0;
TempFilter.MyFilter[1, 1] = 7;
TempFilter.MyFilter[1, 2] = 0;
TempFilter.MyFilter[2, 0] = -1;
TempFilter.MyFilter[2, 1] = 0;
TempFilter.MyFilter[2, 2] = -1;
return TempFilter.ApplyFilter(Image);
}
