//Some morph operations with binary image, or represented as binary
public static void Bwmorph(Bitmap img, BwmorphOpearion operation, int repeat, OutType type)
{
string imgExtension = GetImageInfo.Imginfo(Imageinfo.Extension);
string imgName = GetImageInfo.Imginfo(Imageinfo.FileName);
string defPath = GetImageInfo.MyPath("Morph\\BWMorph");
var result = BwmorphHelper(img, operation, repeat);
string outName = defPath + imgName + "_" + operation.ToString() + "_repeat_" + repeat + imgExtension;
MoreHelpers.WriteImageToFile(result, result, result, outName, type);
}
//return result as 1/8/24 bitmap
public static Bitmap BwmorphBitmap(Bitmap img, BwmorphOpearion operation, int repeat, BwmorphOut type)
{
var result = BwmorphHelper(img, operation, repeat);
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
image = Helpers.SetPixels(image, result, result, result);
if (type == BwmorphOut.OneBpp)
{
image = PixelFormatWorks.ImageTo1BppBitmap(image, 0.5);
}
else if (type == BwmorphOut.EightBpp)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
return(image);
}
//process bwmotph operations
private static int[,] BwmorphHelper(Bitmap img, BwmorphOpearion operation, int repeat)
{
double[,] tempResult = new double[img.Height, img.Width];
double[,] loopStrike = new double[img.Height, img.Width];
int[,] result = new int[img.Height, img.Width];
var rec = Helpers.Image2BinaryArray(img);
if (repeat == 0 || repeat < 0)
{
repeat = 1;
Console.WriteLine("Number of operation repeat must be non-negative value greater 0. Set to defalut: repeat - 1 time");
}
loopStrike = rec.ArrayToDouble();
for (int i = 0; i < repeat; i++)
{
switch (operation)
{
//thins objects to lines. It removes pixels so that an object without holes shrinks to a minimally connected stroke,
//and an object with holes shrinks to a connected ring halfway between each hole and the outer boundary.
case BwmorphOpearion.thin:
var thinLut = ReadLut("ThinLut1.txt");
tempResult = ApplyLut(loopStrike, thinLut);
thinLut = ReadLut("ThinLut2.txt");
tempResult = ApplyLut(tempResult, thinLut);
break;
//Bridges unconnected pixels, that is, sets 0-valued pixels to 1 if they have two nonzero neighbors that are not connected
case BwmorphOpearion.bridge:
var bridgeLut = ReadLut("BridgeLut.txt");
tempResult = ApplyLut(loopStrike, bridgeLut);
break;
//Uses diagonal fill to eliminate 8-connectivity of the background
case BwmorphOpearion.diag:
var diagLut = ReadLut("DiagLut.txt");
tempResult = ApplyLut(loopStrike, diagLut);
break;
//shrinks objects to points. It removes pixels so that objects without holes shrink to a point,
//and objects with holes shrink to a connected ring halfway between each hole and the outer boundary
case BwmorphOpearion.shrink:
var shrinkLut = ReadLut("ShrinkLut1.txt");
tempResult = ApplyLut(loopStrike, shrinkLut);
shrinkLut = ReadLut("ShrinkLut2.txt");
tempResult = ApplyLut(tempResult, shrinkLut);
break;
//Get the image skeleton
//removes pixels on the boundaries of objects but does not allow objects to break apart.
//The pixels remaining make up the image skeleton.
case BwmorphOpearion.skel:
var skelLut = ReadLut("SkelLut1.txt");
tempResult = ApplyLut(loopStrike, skelLut);
skelLut = ReadLut("SkelLut2.txt");
tempResult = ApplyLut(tempResult, skelLut);
break;
//Removes spur pixels
case BwmorphOpearion.spur:
var spurLut = ReadLut("SpurLut.txt");
tempResult = ApplyLut(loopStrike, spurLut);
break;
//Conway game "life"
case BwmorphOpearion.conwaylaw:
var conwaylawLut = ReadLut("ConwaylawLut.txt");
tempResult = ApplyLut(loopStrike, conwaylawLut);
break;
}
//here logic & bettwen input and after lut, but no matter - input represented as binary, so we can mult
tempResult = tempResult.ArrayMultElements(loopStrike);
loopStrike = tempResult;
}
result = loopStrike.DoubleArrayToInt();
//make result saveble
for (int i = 0; i < result.GetLength(0); i++)
{
for (int j = 0; j < result.GetLength(1); j++)
{
if (result[i, j] == 1)
{
result[i, j] = 255;
}
}
}
return(result);
}
//return in as [0..255], for binary can use extenstion Uint8ArrayToBinary
public static int[,] BwmorphImageArray(Bitmap img, BwmorphOpearion operation, int repeat)
{
return(BwmorphHelper(img, operation, repeat));
}
