//
private static void LargeEdgeMethodVariant(Bitmap img, Edgevariant variant, EdgeMethod method, EdgeDirection direction, double threshold)
{
string imgExtension = GetImageInfo.Imginfo(Imageinfo.Extension);
string imgName = GetImageInfo.Imginfo(Imageinfo.FileName);
string defPath = GetImageInfo.MyPath("Segmentation\\Edge");
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
int[,] result = new int[img.Height, img.Width];
string outName = String.Empty;
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
double scale = 0; // for calculating the automatic threshold
var imArray = MoreHelpers.BlackandWhiteProcessHelper(img);
if (direction == EdgeDirection.def)
{
direction = EdgeDirection.both;
}
if ((imArray.GetLength(0) > 1 && imArray.GetLength(1) > 1) && (threshold >= 0 && threshold <= 1) && !(Checks.BinaryInput(img) && threshold == 0))
{
switch (method)
{
case EdgeMethod.Sobel:
scale = 4; // for calculating the automatic threshold
if (variant == Edgevariant.var1)
{
result = EdgeHelperv1(scale, imArray, threshold, ImageFilter.Dx3FWindow("Sobel"), ImageFilter.Dx3FWindow("SobelT"), 8,
direction, imgName, imgExtension, EdgeTempName._EdgeSobelVar1_temp);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV1" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV1_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV1" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeSobV1" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
else
{
result = EdgeHelperv2(scale, imArray, threshold, ImageFilter.Dx3FWindow("Sobel"), ImageFilter.Dx3FWindow("SobelT"), 8, direction);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV2" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV2_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeSobV2" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeSobV2" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
break;
case EdgeMethod.Prewitt:
scale = 4; // for calculating the automatic threshold
if (variant == Edgevariant.var1)
{
result = EdgeHelperv1(scale, imArray, threshold, ImageFilter.Dx3FWindow("Prewitt"), ImageFilter.Dx3FWindow("PrewittT"), 8,
direction, imgName, imgExtension, EdgeTempName._EdgePrewittVar1_temp);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV1" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV1_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV1" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgePrewV1" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
else
{
result = EdgeHelperv2(scale, imArray, threshold, ImageFilter.Dx3FWindow("Prewitt"), ImageFilter.Dx3FWindow("PrewittT"), 8, direction);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV2" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV2_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgePrewV2" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgePrewV2" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
break;
case EdgeMethod.Roberts:
scale = 6;
if (variant == Edgevariant.var1)
{
result = EdgeHelperv1(scale, imArray, threshold, ImageFilter.Dx3FWindow("Roberts"), ImageFilter.Dx3FWindow("RobertsT"), 2,
direction, imgName, imgExtension, EdgeTempName._EdgeRobertsVar1_temp);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV1" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV1_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV1" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeRobV1" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
else
{
result = EdgeHelperv2(scale, imArray, threshold, ImageFilter.Dx3FWindow("Roberts"), ImageFilter.Dx3FWindow("RobertsT"), 2, direction);
if (threshold == 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV2" + imgExtension;
}
else if (threshold == 0 && direction != EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV2_" + direction.ToString() + imgExtension;
}
else if (threshold != 0 && direction == EdgeDirection.def)
{
outName = defPath + imgName + "_EdgeRobV2" + "Th_" + threshold.ToString() + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeRobV2" + "Th_" + threshold.ToString() + "_" + direction.ToString() + imgExtension;
}
}
break;
}
image = Helpers.SetPixels(image, result, result, result);
if (Depth == 8)
{
PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
Helpers.SaveOptions(image, outName, imgExtension);
}
else
{
Console.WriteLine("Also Threshold must be in range [0..1]." +
"\nOr may be Binary image at input and threshold = 0 - can`t process with such condition.");
}
}
