private static Primitive statistics(string image)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
Primitive stats = new Primitive("");
double[] min, max, mean, std;
min = new double[3] { 255.0, 255.0, 255.0 };
max = new double[3] { 0.0, 0.0, 0.0 };
mean = new double[3] { 0.0, 0.0, 0.0 };
std = new double[3] { 0.0, 0.0, 0.0 };
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return stats;
Bitmap dImg = FastPixel.GetBitmap(img);
FastPixel fp = new FastPixel(dImg);
Color c;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
min[0] = System.Math.Min(min[0], (double)c.R);
min[1] = System.Math.Min(min[1], (double)c.G);
min[2] = System.Math.Min(min[2], (double)c.B);
max[0] = System.Math.Max(max[0], (double)c.R);
max[1] = System.Math.Max(max[1], (double)c.G);
max[2] = System.Math.Max(max[2], (double)c.B);
mean[0] += (double)c.R;
mean[1] += (double)c.G;
mean[2] += (double)c.B;
std[0] += (double)(c.R * c.R);
std[1] += (double)(c.G * c.G);
std[2] += (double)(c.B * c.B);
}
}
double size = fp.Width * fp.Height;
fp.Unlock(false);
for (int i = 0; i < 3; i++)
{
mean[i] /= size;
std[i] /= size;
std[i] -= mean[i] * mean[i];
std[i] = System.Math.Sqrt(std[i]);
stats["Min"] += (i + 1).ToString() + "=" + min[i].ToString(CultureInfo.InvariantCulture) + ";";
stats["Max"] += (i + 1).ToString() + "=" + max[i].ToString(CultureInfo.InvariantCulture) + ";";
stats["Mean"] += (i + 1).ToString() + "=" + mean[i].ToString(CultureInfo.InvariantCulture) + ";";
stats["STD"] += (i + 1).ToString() + "=" + std[i].ToString(CultureInfo.InvariantCulture) + ";";
}
stats["Min"] = Utilities.CreateArrayMap(stats["Min"]);
stats["Max"] = Utilities.CreateArrayMap(stats["Max"]);
stats["Mean"] = Utilities.CreateArrayMap(stats["Mean"]);
stats["STD"] = Utilities.CreateArrayMap(stats["STD"]);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
return stats;
}
}
/// <summary>
/// Replace one colour in an ImageList image with another.
/// </summary>
/// <param name="image">The ImageList image.</param>
/// <param name="colourFrom">The colour to replace.</param>
/// <param name="colourTo">The replacement colour to apply.</param>
/// <param name="tolerance">A tolerance for the colour to match (default 0 - exact match).
/// ARGB pixel values all within the tolerance will be replaced.</param>
public static void ReplaceColour(Primitive image, Primitive colourFrom, Primitive colourTo, Primitive tolerance)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return;
Bitmap dImg = FastPixel.GetBitmap(img);
FastPixel fp = new FastPixel(dImg);
Color cFrom = (Color)colConvert.ConvertFromString(colourFrom);
Color cTo = (Color)colConvert.ConvertFromString(colourTo);
if (tolerance == "") tolerance = 0;
for (int x = 0; x < fp.Width; x++)
{
for (int y = 0; y < fp.Height; y++)
{
Color c = fp.GetPixel(x, y);
if (System.Math.Abs(c.A - cFrom.A) > tolerance) continue;
if (System.Math.Abs(c.R - cFrom.R) > tolerance) continue;
if (System.Math.Abs(c.G - cFrom.G) > tolerance) continue;
if (System.Math.Abs(c.B - cFrom.B) > tolerance) continue;
fp.SetPixel(x, y, cTo);
}
}
fp.Unlock(true);
FastThread.SaveBitmap(image, dImg);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}
}
private static Primitive histogram(string image)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
Primitive stats = new Primitive("");
int[] red, green, blue;
red = new int[256];
green = new int[256];
blue = new int[256];
for (int i = 0; i < 256; i++)
{
red[i] = 0;
green[i] = 0;
blue[i] = 0;
}
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return stats;
Bitmap dImg = FastPixel.GetBitmap(img);
FastPixel fp = new FastPixel(dImg);
Color c;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
red[c.R]++;
green[c.G]++;
blue[c.B]++;
}
}
fp.Unlock(false);
for (int i = 0; i < 256; i++)
{
stats[1] += i.ToString() + "=" + red[i].ToString() + ";";
stats[2] += i.ToString() + "=" + green[i].ToString() + ";";
stats[3] += i.ToString() + "=" + blue[i].ToString() + ";";
}
stats[1] = Utilities.CreateArrayMap(stats[1]);
stats[2] = Utilities.CreateArrayMap(stats[2]);
stats[3] = Utilities.CreateArrayMap(stats[3]);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
return stats;
}
}
/// <summary>
/// Cartoon effect received by combining oil paint algorithm and Sobel edge detecting
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <param name="R">Radius of oil paint algorithm</param>
/// <param name="Level">Available levels of intensity</param>
/// <param name="InverseThreshold">Inverse threshold</param>
/// <returns>Cartoon effect result</returns>
public Bitmap Cartoon(Bitmap OriginalImage, int R, int Level, int InverseThreshold)
{
Bitmap image = OriginalImage;
Bitmap image2 = new Bitmap(image.Width, image.Height);
Bitmap oilpaint = this.OilPaint(image, R, Level);
Bitmap edge = this.ToBlackwhiteInverse(this.ImageSobelFilterGS(image), InverseThreshold);
FastPixel fpOilpaint = new FastPixel(oilpaint);
FastPixel fpEdge = new FastPixel(edge);
FastPixel fpImage2 = new FastPixel(image2);
for (int i = 0; i < fpImage2.Width; i++)
{
for (int j = 0; j < fpImage2.Height; j++)
{
if (fpEdge.GetPixel(i, j).R == 255)
{
fpImage2.SetPixel(i, j, fpOilpaint.GetPixel(i, j));
}
else
{
fpImage2.SetPixel(i, j, fpEdge.GetPixel(i, j));
}
}
}
fpOilpaint.Unlock(false);
fpEdge.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Multiply colour values of image.
/// An image has pixels with R,G,B in the range 0 to 255.
/// </summary>
/// <param name="image">The ImageList image to modify.</param>
/// <param name="red">Red value to multiply by.</param>
/// <param name="green">Geen value to multiply by.</param>
/// <param name="blue">Blue value to multiply by.</param>
public static void Multiply(Primitive image, Primitive red, Primitive green, Primitive blue)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return;
Bitmap dImg = FastPixel.GetBitmap(img);
Color c;
FastPixel fp = new FastPixel(dImg);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, Color.FromArgb(c.A, range(c.R * red), range(c.G * green), range(c.B * blue)));
}
}
fp.Unlock(true);
FastThread.SaveBitmap(image, dImg);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}
}
/// <summary>
/// Difference 2 images.
/// An image has pixels with R,G,B in the range 0 to 255.
/// Both images must be the same dimension.
/// </summary>
/// <param name="image1">The first ImageList image to difference.</param>
/// <param name="image2">The second ImageList image to difference.</param>
/// <returns>A new ImageList image with the result or "" on failure.</returns>
public static Primitive DifferenceImages(Primitive image1, Primitive image2)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
Type ShapesType = typeof(Shapes);
BitmapSource img1, img2;
string imageNew = "";
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image1, out img1)) return imageNew;
if (!_savedImages.TryGetValue((string)image2, out img2)) return imageNew;
MethodInfo method = ShapesType.GetMethod("GenerateNewName", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase);
imageNew = method.Invoke(null, new object[] { "ImageList" }).ToString();
Bitmap dImg1 = FastPixel.GetBitmap(img1);
Bitmap dImg2 = FastPixel.GetBitmap(img2);
if (dImg1.Width == dImg2.Width && dImg1.Height == dImg2.Height)
{
Color c1, c2;
FastPixel fpImg1 = new FastPixel(dImg1);
FastPixel fpImg2 = new FastPixel(dImg2);
for (int i = 0; i < fpImg1.Width; i++)
{
for (int j = 0; j < fpImg1.Height; j++)
{
c1 = fpImg1.GetPixel(i, j);
c2 = fpImg2.GetPixel(i, j);
fpImg1.SetPixel(i, j, Color.FromArgb(range(System.Math.Abs(c1.R - c2.R)), range(System.Math.Abs(c1.G - c2.G)), range(System.Math.Abs(c1.B - c2.B))));
}
}
fpImg1.Unlock(true);
fpImg2.Unlock(false);
FastThread.SaveBitmap(imageNew, dImg1, true);
}
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
return imageNew;
}
}
/// <summary>
/// Fill a region surrounding a specified pixel.
/// All neighbour pixels of the same colour are changed.
/// This only applies to the drawing layer of the GraphicsWindow.
/// </summary>
/// <param name="x">
/// The x co-ordinate of the pixel to start the fill.
/// </param>
/// <param name="y">
/// The y co-ordinate of the pixel to start the fill.
/// </param>
/// <param name="colour">
/// The colour to fill with.
/// </param>
public static void FloodFill(Primitive x, Primitive y, Primitive colour)
{
Type GraphicsWindowType = typeof(GraphicsWindow);
x = (int)x;
y = (int)y;
try
{
InvokeHelper ret = new InvokeHelper(delegate
{
try
{
//Prepare bitmap
GraphicsWindowType.GetMethod("Rasterize", BindingFlags.IgnoreCase | BindingFlags.Static | BindingFlags.NonPublic).Invoke(null, new object[] { });
RenderTargetBitmap _renderBitmap = (RenderTargetBitmap)GraphicsWindowType.GetField("_renderBitmap", BindingFlags.IgnoreCase | BindingFlags.Static | BindingFlags.NonPublic).GetValue(null);
FastPixel fp = new FastPixel(_renderBitmap);
System.Drawing.Color colNew = ColorTranslator.FromHtml(colour);
System.Drawing.Color colOld = fp.GetPixel(x, y);
if (colNew == colOld) return;
int nx = fp.Width;
int ny = fp.Height;
Stack<int> points = new Stack<int>();
int point, _x, _y;
points.Push(y * nx + x);
while (points.Count > 0)
{
point = points.Pop();
_x = point % nx;
_y = point / nx;
fp.SetPixel(_x, _y, colNew);
if (_x > 0 && colOld == fp.GetPixel(_x - 1, _y)) points.Push(_y * nx + _x - 1);
if (_x < nx - 1 && colOld == fp.GetPixel(_x + 1, _y)) points.Push(_y * nx + _x + 1);
if (_y > 0 && colOld == fp.GetPixel(_x, _y - 1)) points.Push((_y - 1) * nx + _x);
if (_y < ny - 1 && colOld == fp.GetPixel(_x, _y + 1)) points.Push((_y + 1) * nx + _x);
}
fp.Unlock(true);
//Display bitmap
BitmapImage bitmapImage = fp.BitmapImage;
DrawingGroup _mainDrawing = (DrawingGroup)GraphicsWindowType.GetField("_mainDrawing", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
DrawingContext drawingContext = _mainDrawing.Append();
drawingContext.DrawImage(bitmapImage, new Rect(0, 0, nx, ny));
drawingContext.Close();
_renderBitmap.Clear();
GraphicsWindowType.GetMethod("AddRasterizeOperationToQueue", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).Invoke(null, new object[] { });
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
});
FastThread.Invoke(ret);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}
/// <summary>
/// Color accent filtration
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <param name="h">Hue of accented color</param>
/// <param name="range">Range of acceptance</param>
/// <returns>Color accent filtration</returns>
public Bitmap ColorAccent(Bitmap OriginalImage, Double h, Double range)
{
FastPixel fpOriginal = new FastPixel(OriginalImage);
Bitmap OutputImage = new System.Drawing.Bitmap(fpOriginal.Width, fpOriginal.Height);
FastPixel fpOutput = new FastPixel(OutputImage);
Double h1 = (h - range / 2 + 360) % 360;
Double h2 = (h + range / 2 + 360) % 360;
for (int x = 0; x < fpOriginal.Width; x++)
{
for (int y = 0; y < fpOriginal.Height; y++)
{
Color pixel = fpOriginal.GetPixel(x, y);
Double[] hsv = this.rgb2hsv(pixel);
int red = 0, green = 0, blue = 0;
//if (hsv[0]
if (h1 <= h2)
{
if (hsv[0] <= h2 && hsv[0] >= h1)
{
red = pixel.R;
green = pixel.G;
blue = pixel.B;
}
else
{
int gs = (int)((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
red = gs;
green = gs;
blue = gs;
}
}
else
{
if (hsv[0] <= h2 || hsv[0] >= h1)
{
red = pixel.R;
green = pixel.G;
blue = pixel.B;
}
else
{
int gs = (int)((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
red = gs;
green = gs;
blue = gs;
}
}
if (red > 255) red = 255;
if (red < 0) red = 0;
if (green > 255) green = 255;
if (green < 0) green = 0;
if (blue > 255) blue = 255;
if (blue < 0) blue = 0;
Color newColor = Color.FromArgb(255, red, green, blue); ;
fpOutput.SetPixel(x, y, newColor);
}
}
fpOriginal.Unlock(false);
fpOutput.Unlock(true);
return OutputImage;
}
/// <summary>
/// Oil paint filtration
/// </summary>
/// <param name="OriginalImage">original ARGB image</param>
/// <param name="R">Radius of oil paint algorithm</param>
/// <param name="Level">Available levels of intensity</param>
/// <returns>Oil paint filtred image</returns>
public Bitmap OilPaint(Bitmap OriginalImage, int R, int Level)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
if (Level < 1 || Level > 255)
{
throw new Exception("Available intensity levels must be between 1 and 255");
}
if (R % 2 == 0)
{
throw new Exception("Filter mask dimension must be odd.");
}
if (R < 3)
{
throw new Exception("Filter mask dimension must be greater or equal 3.");
}
int range = (int)Math.Floor(Convert.ToDouble(R / 2));
for (int m = range; m < fpImage.Width - range; m++)
{
for (int n = range; n < fpImage.Height - range; n++)
{
Double[,,] roi = new Double[3, R, R];
int tmpi = 0;
int tmpj = 0;
int newValueR = 0;
int newValueG = 0;
int newValueB = 0;
for (int i = m - range; i < m + range + 1; i++)
{
for (int j = n - range; j < n + range + 1; j++)
{
Color pixel = fpImage.GetPixel(i, j);
Double pR = Convert.ToDouble(pixel.R);
Double pG = Convert.ToDouble(pixel.G);
Double pB = Convert.ToDouble(pixel.B);
roi[0, tmpi, tmpj] = (int)pR;
roi[1, tmpi, tmpj] = (int)pG;
roi[2, tmpi, tmpj] = (int)pB;
tmpj++;
}
tmpi++;
tmpj = 0;
}
int[] avgR = new int[256];
int[] avgG = new int[256];
int[] avgB = new int[256];
int[] intCnt = new int[256];
for (int k = 0; k < R; k++)
{
for (int l = 0; l < R; l++)
{
int intensity = (int)(((roi[0, k, l] + roi[1, k, l] + roi[2, k, l]) / 3) * Convert.ToDouble(Level) / 255);
intCnt[intensity]++;
avgR[intensity] += (int)roi[0, k, l];
avgG[intensity] += (int)roi[1, k, l];
avgB[intensity] += (int)roi[2, k, l];
}
}
int maxCur = 0;
int maxIndex = 0;
for (int a = 0; a < 256; a++)
{
if (intCnt[a] > maxCur)
{
maxCur = intCnt[a];
maxIndex = a;
}
}
newValueR = avgR[maxIndex] / maxCur;
newValueG = avgG[maxIndex] / maxCur;
newValueB = avgB[maxIndex] / maxCur;
if (newValueR > 255) newValueR = 255;
if (newValueR < 0) newValueR = 0;
if (newValueG > 255) newValueG = 255;
if (newValueG < 0) newValueG = 0;
if (newValueB > 255) newValueB = 255;
if (newValueB < 0) newValueB = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newValueR, newValueG, newValueB));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Converts ARGB images to greyscale using luminance method and calculates image filtartion with SD-ROM mask of size 3.
/// </summary>
/// <param name="OriginalImage">Orignal ARGB image</param>
/// <returns>Filtred image</returns>
public Bitmap ImageSDROMFilterGS(Bitmap OriginalImage)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
int[] thresholds = new int[4] { 20, 40, 60, 80 };
int size = 3;
int range = (int)Math.Floor(Convert.ToDouble(size / 2));
for (int m = range; m < fpImage.Width - range; m++)
{
for (int n = range; n < fpImage.Height - range; n++)
{
int[,] roi = new int[size, size];
int tmpj = 0;
int tmpi = 0;
int newValue = 0;
Color CPixel = fpImage.GetPixel(m, n);
int CP = (int)Convert.ToDouble((CPixel.R * 0.3) + (CPixel.G * 0.59) + (CPixel.B * 0.11));
for (int i = m - range; i < m + range + 1; i++)
{
for (int j = n - range; j < n + range + 1; j++)
{
Color pixel = fpImage.GetPixel(i, j);
Double p = Convert.ToDouble((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
roi[tmpi, tmpj] = (int)p;
tmpj++;
}
tmpi++;
tmpj = 0;
}
int[] roivector = new int[size * size - 1];
int tmp = 0;
for (int i = 0; i < roi.GetLength(0); i++)
{
for (int j = 0; j < roi.GetLength(1); j++)
{
if (i == range && j == range)
{
}
else
{
roivector[tmp] = roi[i, j];
tmp++;
}
}
}
System.Array.Sort(roivector);
int ROM = 0;
int sizeROI = roivector.Length;
int mid = sizeROI / 2 - 1;
Double a = Convert.ToDouble(roivector[mid]);
Double b = Convert.ToDouble(roivector[mid + 1]);
Double c = (a + b) / 2;
ROM = (int)c;
int[] ROD = new int[mid + 1];
for (int i = 0; i < mid; i++)
{
if (CP <= ROM)
{
ROD[i] = roivector[i] - CP;
}
else
{
ROD[i] = CP - roivector[roivector.GetLength(0) - 1 - i];
}
}
newValue = CP;
for (int i = 0; i < mid; i++)
{
if (ROD[i] > thresholds[i])
{
newValue = ROM;
break;
}
}
if (newValue > 255) newValue = 255;
if (newValue < 0) newValue = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newValue, newValue, newValue));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Converts ARGB images to greyscale using luminance method and calculates module of image convolution with Sobel operators (horizontal and vertical axis)
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <returns>Filtered image</returns>
public Bitmap ImageSobelFilterGS(Bitmap OriginalImage)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
for (int m = 1; m < fpImage.Width - 1; m++)
{
for (int n = 1; n < fpImage.Height - 1; n++)
{
Color pixel1 = fpImage.GetPixel(m - 1, n - 1);
Color pixel2 = fpImage.GetPixel(m, n - 1);
Color pixel3 = fpImage.GetPixel(m + 1, n - 1);
Color pixel4 = fpImage.GetPixel(m - 1, n);
Color pixel5 = fpImage.GetPixel(m, n);
Color pixel6 = fpImage.GetPixel(m + 1, n);
Color pixel7 = fpImage.GetPixel(m - 1, n + 1);
Color pixel8 = fpImage.GetPixel(m, n + 1);
Color pixel9 = fpImage.GetPixel(m + 1, n + 1);
Double p1 = Convert.ToDouble((pixel1.R * 0.3) + (pixel1.G * 0.59) + (pixel1.B * 0.11));
Double p2 = Convert.ToDouble((pixel2.R * 0.3) + (pixel2.G * 0.59) + (pixel2.B * 0.11));
Double p3 = Convert.ToDouble((pixel3.R * 0.3) + (pixel3.G * 0.59) + (pixel3.B * 0.11));
Double p4 = Convert.ToDouble((pixel4.R * 0.3) + (pixel4.G * 0.59) + (pixel4.B * 0.11));
Double p5 = Convert.ToDouble((pixel5.R * 0.3) + (pixel5.G * 0.59) + (pixel5.B * 0.11));
Double p6 = Convert.ToDouble((pixel6.R * 0.3) + (pixel6.G * 0.59) + (pixel6.B * 0.11));
Double p7 = Convert.ToDouble((pixel7.R * 0.3) + (pixel7.G * 0.59) + (pixel7.B * 0.11));
Double p8 = Convert.ToDouble((pixel8.R * 0.3) + (pixel8.G * 0.59) + (pixel8.B * 0.11));
Double p9 = Convert.ToDouble((pixel9.R * 0.3) + (pixel9.G * 0.59) + (pixel9.B * 0.11));
int x = (int)((p1 + (p2 + p2) + p3 - p7 - (p8 + p8) - p9));
int y = (int)((p3 + (p6 + p6) + p9 - p1 - (p4 + p4) - p7));
int newgs = (int)(Math.Abs(x) + Math.Abs(y));
if (newgs > 255) newgs = 255;
if (newgs < 0) newgs = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newgs, newgs, newgs));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Ccalculates image filtartion with SD-ROM mask of size 3.
/// </summary>
/// <param name="OriginalImage">Orignal ARGB image</param>
/// <returns>Filtred image</returns>
public Bitmap ImageSDROMFilterColor(Bitmap OriginalImage)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
int[] thresholds = new int[4] { 20, 40, 60, 80 };
int size = 3;
int range = (int)Math.Floor(Convert.ToDouble(size / 2));
for (int m = range; m < fpImage.Width - range; m++)
{
for (int n = range; n < fpImage.Height - range; n++)
{
int[,] roiR = new int[size, size];
int[,] roiG = new int[size, size];
int[,] roiB = new int[size, size];
int tmpj = 0;
int tmpi = 0;
int newValueR = 0;
int newValueG = 0;
int newValueB = 0;
Color CPixel = fpImage.GetPixel(m, n);
int CPR = (int)(CPixel.R);
int CPG = (int)(CPixel.G);
int CPB = (int)(CPixel.B);
for (int i = m - range; i < m + range + 1; i++)
{
for (int j = n - range; j < n + range + 1; j++)
{
Color pixel = fpImage.GetPixel(i, j);
Double pR = Convert.ToDouble(pixel.R);
Double pG = Convert.ToDouble(pixel.G);
Double pB = Convert.ToDouble(pixel.B);
roiR[tmpi, tmpj] = (int)pR;
roiG[tmpi, tmpj] = (int)pG;
roiB[tmpi, tmpj] = (int)pB;
tmpj++;
}
tmpi++;
tmpj = 0;
}
int[] roivectorR = new int[size * size - 1];
int[] roivectorG = new int[size * size - 1];
int[] roivectorB = new int[size * size - 1];
int tmp = 0;
for (int i = 0; i < roiR.GetLength(0); i++)
{
for (int j = 0; j < roiR.GetLength(1); j++)
{
if (i == range && j == range)
{
}
else
{
roivectorR[tmp] = roiR[i, j];
roivectorG[tmp] = roiG[i, j];
roivectorB[tmp] = roiB[i, j];
tmp++;
}
}
}
System.Array.Sort(roivectorR);
System.Array.Sort(roivectorG);
System.Array.Sort(roivectorB);
int ROMR = 0;
int ROMG = 0;
int ROMB = 0;
int sizeROI = roivectorR.Length;
int mid = sizeROI / 2 - 1;
Double a = Convert.ToDouble(roivectorR[mid]);
Double b = Convert.ToDouble(roivectorR[mid + 1]);
Double c = (a + b) / 2;
ROMR = (int)c;
a = Convert.ToDouble(roivectorG[mid]);
b = Convert.ToDouble(roivectorG[mid + 1]);
c = (a + b) / 2;
ROMG = (int)c;
a = Convert.ToDouble(roivectorB[mid]);
b = Convert.ToDouble(roivectorB[mid + 1]);
c = (a + b) / 2;
ROMB = (int)c;
int[] RODR = new int[mid + 1];
int[] RODG = new int[mid + 1];
int[] RODB = new int[mid + 1];
for (int i = 0; i < mid; i++)
{
if (CPR <= ROMR)
{
RODR[i] = roivectorR[i] - CPR;
}
else
{
RODR[i] = CPR - roivectorR[roivectorR.GetLength(0) - 1 - i];
}
if (CPG <= ROMG)
{
RODG[i] = roivectorG[i] - CPG;
}
else
{
RODG[i] = CPG - roivectorG[roivectorG.GetLength(0) - 1 - i];
}
if (CPB <= ROMB)
{
RODB[i] = roivectorB[i] - CPB;
}
else
{
RODB[i] = CPB - roivectorB[roivectorB.GetLength(0) - 1 - i];
}
}
newValueR = CPR;
for (int i = 0; i < mid; i++)
{
if (RODR[i] > thresholds[i])
{
newValueR = ROMR;
break;
}
}
if (newValueR > 255) newValueR = 255;
if (newValueR < 0) newValueR = 0;
newValueG = CPG;
for (int i = 0; i < mid; i++)
{
if (RODG[i] > thresholds[i])
{
newValueG = ROMG;
break;
}
}
if (newValueG > 255) newValueG = 255;
if (newValueG < 0) newValueG = 0;
newValueB = CPB;
for (int i = 0; i < mid; i++)
{
if (RODB[i] > thresholds[i])
{
newValueB = ROMB;
break;
}
}
if (newValueB > 255) newValueB = 255;
if (newValueB < 0) newValueB = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newValueR, newValueG, newValueB));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Calculates module of image convolution with Prewitt operators (horizontal and vertical axis)
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <returns>Filtered image</returns>
public Bitmap ImagePrewittFilterColor(Bitmap OriginalImage)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
for (int m = 1; m < fpImage.Width - 1; m++)
{
for (int n = 1; n < fpImage.Height - 1; n++)
{
Color pixel1 = fpImage.GetPixel(m - 1, n - 1);
Color pixel2 = fpImage.GetPixel(m, n - 1);
Color pixel3 = fpImage.GetPixel(m + 1, n - 1);
Color pixel4 = fpImage.GetPixel(m - 1, n);
Color pixel5 = fpImage.GetPixel(m, n);
Color pixel6 = fpImage.GetPixel(m + 1, n);
Color pixel7 = fpImage.GetPixel(m - 1, n + 1);
Color pixel8 = fpImage.GetPixel(m, n + 1);
Color pixel9 = fpImage.GetPixel(m + 1, n + 1);
Double p1r = Convert.ToDouble(pixel1.R);
Double p2r = Convert.ToDouble(pixel2.R);
Double p3r = Convert.ToDouble(pixel3.R);
Double p4r = Convert.ToDouble(pixel4.R);
Double p5r = Convert.ToDouble(pixel5.R);
Double p6r = Convert.ToDouble(pixel6.R);
Double p7r = Convert.ToDouble(pixel7.R);
Double p8r = Convert.ToDouble(pixel8.R);
Double p9r = Convert.ToDouble(pixel9.R);
Double p1g = Convert.ToDouble(pixel1.G);
Double p2g = Convert.ToDouble(pixel2.G);
Double p3g = Convert.ToDouble(pixel3.G);
Double p4g = Convert.ToDouble(pixel4.G);
Double p5g = Convert.ToDouble(pixel5.G);
Double p6g = Convert.ToDouble(pixel6.G);
Double p7g = Convert.ToDouble(pixel7.G);
Double p8g = Convert.ToDouble(pixel8.G);
Double p9g = Convert.ToDouble(pixel9.G);
Double p1b = Convert.ToDouble(pixel1.B);
Double p2b = Convert.ToDouble(pixel2.B);
Double p3b = Convert.ToDouble(pixel3.B);
Double p4b = Convert.ToDouble(pixel4.B);
Double p5b = Convert.ToDouble(pixel5.B);
Double p6b = Convert.ToDouble(pixel6.B);
Double p7b = Convert.ToDouble(pixel7.B);
Double p8b = Convert.ToDouble(pixel8.B);
Double p9b = Convert.ToDouble(pixel9.B);
int xr = (int)(p1r + p2r + p3r - p7r - p8r - p9r);
int yr = (int)(p1r - p3r + p4r - p6r + p7r - p9r);
int newgsr = (int)(Math.Abs(xr) + Math.Abs(yr));
if (newgsr > 255) newgsr = 255;
if (newgsr < 0) newgsr = 0;
int xg = (int)(p1g + p2g + p3g - p7g - p8g - p9g);
int yg = (int)(p1g - p3g + p4g - p6g + p7g - p9g);
int newgsg = (int)(Math.Abs(xg) + Math.Abs(yg));
if (newgsg > 255) newgsg = 255;
if (newgsg < 0) newgsg = 0;
int xb = (int)(p1b + p2b + p3b - p7b - p8b - p9b);
int yb = (int)(p1b - p3b + p4b - p6b + p7b - p9b);
int newgsb = (int)(Math.Abs(xb) + Math.Abs(yb));
if (newgsb > 255) newgsb = 255;
if (newgsb < 0) newgsb = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newgsr, newgsg, newgsb));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
/// <summary>
/// Converts ARGB images to greyscale using luminance method and calculates image filtartion with median mask of given size.
/// </summary>
/// <param name="OriginalImage">Orignal ARGB image</param>
/// <param name="size">Median mask dimension</param>
/// <returns>Filtered image</returns>
public Bitmap ImageMedianFilterGS(Bitmap OriginalImage, int size)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(OriginalImage);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
if (size % 2 == 0)
{
throw new Exception("Median filter dimension must be odd.");
}
if (size < 3)
{
throw new Exception("Filter mask dimension must be greater or equal 3.");
}
int range = (int)Math.Floor(Convert.ToDouble(size / 2));
for (int m = range; m < fpImage.Width - range; m++)
{
for (int n = range; n < fpImage.Height - range; n++)
{
int[] roi = new int[size * size];
int tmp = 0;
int newValue = 0;
for (int i = m - range; i < m + range + 1; i++)
{
for (int j = n - range; j < n + range + 1; j++)
{
Color pixel = fpImage.GetPixel(i, j);
Double p = Convert.ToDouble((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
roi[tmp] = (int)p;
tmp++;
}
}
System.Array.Sort(roi);
decimal Median = 0;
int sizeROI = roi.Length;
int mid = sizeROI / 2;
Median = (sizeROI % 2 != 0) ? (decimal)roi[mid] : ((decimal)roi[mid] + (decimal)roi[mid + 1]) / 2;
newValue = (int)Median;
if (newValue > 255) newValue = 255;
if (newValue < 0) newValue = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newValue, newValue, newValue));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}
private void Shadow_Delegate()
{
try
{
Bitmap bm = FastPixel.GetBitmap((BitmapSource)image.Source);
FastPixel fp = new FastPixel(bm);
width = fp.Width;
height = fp.Height;
vectors = new Vec3D[width, height];
Color c;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
c = fp.GetPixel(i, j);
vectors[i, j] = new Vec3D(c.R - 128f, c.G - 128f, c.B - 128f);
vectors[i, j].Normalize();
}
}
fp.Unlock(false);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}
/// <summary>
/// Sepia filtration
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <param name="Coef">Sepia level</param>
/// <returns>Sepia image</returns>
public Bitmap Sepia(Bitmap OriginalImage, Double Coef)
{
FastPixel fpOriginal = new FastPixel(OriginalImage);
Bitmap OutputImage = new System.Drawing.Bitmap(fpOriginal.Width, fpOriginal.Height);
FastPixel fpOutput = new FastPixel(OutputImage);
for (int x = 0; x < fpOriginal.Width; x++)
{
for (int y = 0; y < fpOriginal.Height; y++)
{
Color pixel = fpOriginal.GetPixel(x, y);
int gs = (int)((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
int red = (int)(gs + 2 * Coef);
int green = (int)(gs + Coef);
int blue = (int)(gs);
if (red > 255) red = 255;
if (red < 0) red = 0;
if (green > 255) green = 255;
if (green < 0) green = 0;
if (blue > 255) blue = 255;
if (blue < 0) blue = 0;
Color newColor = Color.FromArgb(255, red, green, blue); ;
fpOutput.SetPixel(x, y, newColor);
}
}
fpOriginal.Unlock(false);
fpOutput.Unlock(true);
return OutputImage;
}
/// <summary>
/// Performs a colour matrix transformation on an image.
/// This can be used for all sorts of colour transformations.
/// See http://msdn.microsoft.com/en-us/library/a7xw19wh%28v=vs.110%29.aspx.
/// </summary>
/// <param name="image">The ImageList image to modify.</param>
/// <param name="matrix">A 5*5 2D matrix.
/// Sepia Example:
/// matrix[1] = "1=0.393;2=0.349;3=0.272;4=0;5=0"
/// matrix[2] = "1=0.769;2=0.686;3=0.534;4=0;5=0"
/// matrix[3] = "1=0.189;2=0.168;3=0.131;4=0;5=0"
/// matrix[4] = "1=0;2=0;3=0;4=1;5=0"
/// matrix[5] = "1=0;2=0;3=0;4=0;5=1"
/// </param>
public static void ColorMatrix(Primitive image, Primitive matrix)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return;
double[,] data = new double[5, 5];
Primitive rows = SBArray.GetAllIndices(matrix);
if (SBArray.GetItemCount(rows) != 5)
{
Utilities.OnError(Utilities.GetCurrentMethod(), new Exception("Incorrectly dimensioned matrix"));
return;
}
for (int i = 1; i <= 5; i++)
{
Primitive cols = SBArray.GetAllIndices(rows);
if (SBArray.GetItemCount(cols) != 5)
{
Utilities.OnError(Utilities.GetCurrentMethod(), new Exception("Incorrectly dimensioned matrix"));
return;
}
for (int j = 1; j <= 5; j++)
{
data[i - 1, j - 1] = matrix[rows[i]][cols[j]];
}
}
Bitmap dImg = FastPixel.GetBitmap(img);
Color c;
byte A, R, G, B;
FastPixel fp = new FastPixel(dImg);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
R = range(c.R * data[0, 0] + c.G * data[1, 0] + c.B * data[2, 0] + c.A * data[3, 0] + 255 * data[4, 0] * data[4, 4]);
G = range(c.R * data[0, 1] + c.G * data[1, 1] + c.B * data[2, 1] + c.A * data[3, 1] + 255 * data[4, 1] * data[4, 4]);
B = range(c.R * data[0, 2] + c.G * data[1, 2] + c.B * data[2, 2] + c.A * data[3, 2] + 255 * data[4, 2] * data[4, 4]);
A = range(c.R * data[0, 3] + c.G * data[1, 3] + c.B * data[2, 3] + c.A * data[3, 3] + 255 * data[4, 3] * data[4, 4]);
fp.SetPixel(i, j, Color.FromArgb(A, R, G, B));
}
}
fp.Unlock(true);
FastThread.SaveBitmap(image, dImg);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}
}
/// <summary>
/// Converts ARGB image to black and white and inverses it with respect to given threshold
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <param name="threshold">Threshold</param>
/// <returns>Balck and white image</returns>
public Bitmap ToBlackwhiteInverse(Bitmap OriginalImage, int threshold)
{
FastPixel fpOriginal = new FastPixel(OriginalImage);
Bitmap OutputImage = new System.Drawing.Bitmap(fpOriginal.Width, fpOriginal.Height);
FastPixel fpOutput = new FastPixel(OutputImage);
if (threshold < 1 || threshold > 254)
{
throw new Exception("Threshold value must be in range from 1 to 254");
}
for (int x = 0; x < fpOriginal.Width; x++)
{
for (int y = 0; y < fpOriginal.Height; y++)
{
Color pixel = fpOriginal.GetPixel(x, y);
int gs = (int)((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
if (gs > threshold) gs = 0; else gs = 255;
Color newColor = Color.FromArgb(255, gs, gs, gs);
fpOutput.SetPixel(x, y, newColor);
}
}
fpOriginal.Unlock(false);
fpOutput.Unlock(true);
return OutputImage;
}
/// <summary>
/// Get a 2D array filled with all the pixels in an image.
/// </summary>
/// <param name="image">The ImageList image.</param>
/// <returns>An array of hex based image pixel colours indexed by [x][y].</returns>
public static Primitive GetImagePixels(Primitive image)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
BitmapSource img;
Primitive result = "";
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue((string)image, out img)) return result;
Bitmap dImg = FastPixel.GetBitmap(img);
FastPixel fp = new FastPixel(dImg);
for (int i = 0; i < fp.Width; i++)
{
string row = "";
for (int j = 0; j < fp.Height; j++)
{
Color c = fp.GetPixel(i, j);
row += (j + 1).ToString() + "=" + Utilities.ArrayParse(Color2ARGB(c)) + ";";
}
result[i + 1] = Utilities.CreateArrayMap(row);
}
fp.Unlock(false);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
return result;
}
}
/// <summary>
/// Create a normal map image from a height map. The height is given by the brightness of each pixel.
/// </summary>
/// <param name="image">The height map ImageList image.</param>
/// <param name="scale">A scale factor for the elevation (default 1).</param>
/// <returns>A new ImageList image with the resulting normal map.</returns>
public static Primitive HeightMap2NormalMap(Primitive image, Primitive scale)
{
lock (LockingVar)
{
Type ImageListType = typeof(ImageList);
Type GraphicsWindowType = typeof(GraphicsWindow);
Type ShapesType = typeof(Shapes);
string normalMap = "";
BitmapSource img;
try
{
_savedImages = (Dictionary<string, BitmapSource>)ImageListType.GetField("_savedImages", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase).GetValue(null);
if (!_savedImages.TryGetValue(image, out img)) return normalMap;
MethodInfo method = ShapesType.GetMethod("GenerateNewName", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.IgnoreCase);
normalMap = method.Invoke(null, new object[] { "ImageList" }).ToString();
if (scale == "") scale = 1;
Bitmap bm = FastPixel.GetBitmap(img);
FastPixel fp = new FastPixel(bm);
Vec3D n = new Vec3D();
double[,] height = new double[fp.Width, fp.Height];
double maxheight = 0;
double minheight = 1;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
height[i, j] = fp.GetPixel(i, j).GetBrightness();
maxheight = System.Math.Max(maxheight, height[i, j]);
minheight = System.Math.Min(minheight, height[i, j]);
}
}
if (maxheight > minheight)
{
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
height[i, j] = (height[i, j] - minheight) / (maxheight - minheight);
}
}
}
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
int im = i - 1;
int ip = i + 1;
int jm = j - 1;
int jp = j + 1;
n.Z = 1;
if (im < 0)
{
im = 0;
n.Z = 0.5f;
}
else if (ip >= fp.Width)
{
ip = fp.Width - 1;
n.Z = 0.5f;
}
if (jm < 0)
{
jm = 0;
n.Z = 0.5f;
}
else if (jp >= fp.Height)
{
jp = fp.Height - 1;
n.Z = 0.5f;
}
n.X = scale * -(height[ip, jm] - height[im, jm] + 2 * (height[ip, j] - height[im, j]) + height[ip, jp] - height[im, jp]);
n.Y = scale * (height[im, jp] - height[im, jm] + 2 * (height[i, jp] - height[i, jm]) + height[ip, jp] - height[ip, jm]);
n.Normalize();
fp.SetPixel(i, j, Color.FromArgb(255, range((1 + n.X) * 128), range((1 + n.Y) * 128), range((1 + n.Z) * 128)));
}
}
fp.Unlock(true);
FastThread.SaveBitmap(normalMap, bm);
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
return normalMap;
}
}
public static System.Drawing.Image DoEffect(System.Drawing.Image _dImg, eEffect _effect, Primitive parameter)
{
if (_effect == eEffect.NONE || null == _dImg) return _dImg;
System.Drawing.Bitmap bmap = new System.Drawing.Bitmap(_dImg);
switch (_effect)
{
case eEffect.NONE: //None
break;
case eEffect.RED: //Red
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, c.R, 0, 0));
}
}
fp.Unlock(true);
}
break;
case eEffect.GREEN: //Green
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, 0, c.G, 0));
}
}
fp.Unlock(true);
}
break;
case eEffect.BLUE: //Blue
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, 0, 0, c.B));
}
}
fp.Unlock(true);
}
break;
case eEffect.GRAY: //Gray
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
byte gray = (byte)(.299 * c.R + .587 * c.G + .114 * c.B);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, gray, gray, gray));
}
}
fp.Unlock(true);
}
break;
case eEffect.INVERSE: //Inverse
{
FastPixel fp = new FastPixel(bmap);
System.Drawing.Color c;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, 255 - c.R, 255 - c.G, 255 - c.B));
}
}
fp.Unlock(true);
}
break;
case eEffect.YELLOW: //Yellow
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
byte gray = (byte)(.299 * c.R + .587 * c.G + .114 * c.B);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, gray, gray, 0));
}
}
fp.Unlock(true);
}
break;
case eEffect.CYAN: //Cyan
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
byte gray = (byte)(.299 * c.R + .587 * c.G + .114 * c.B);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, 0, gray, gray));
}
}
fp.Unlock(true);
}
break;
case eEffect.MAGENTA: //Magenta
{
System.Drawing.Color c;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
byte gray = (byte)(.299 * c.R + .587 * c.G + .114 * c.B);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, gray, 0, gray));
}
}
fp.Unlock(true);
}
break;
case eEffect.SNOW: //Snow
{
double density = parameter;
if (density <= 0) density = pEffect[(int)_effect];
Random rand = new Random();
System.Drawing.Color c;
int i, j;
FastPixel fp = new FastPixel(bmap);
for (int ii = 0; ii < fp.Width * fp.Height / density; ii++)
{
i = rand.Next(fp.Width);
j = rand.Next(fp.Height);
c = fp.GetPixel(i, j);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, 255, 255, 255));
}
fp.Unlock(true);
}
break;
case eEffect.FUZZY: //Fuzzy
{
Random rand = new Random();
System.Drawing.Color c;
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
FastPixel fpCopy = new FastPixel(copy);
int ii, jj;
int x = parameter;
if (x <= 0) x = pEffect[(int)_effect];
int y = 2 * x + 1;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
ii = System.Math.Max(0, System.Math.Min(fp.Width - 1, i + rand.Next(y) - x));
jj = System.Math.Max(0, System.Math.Min(fp.Height - 1, j + rand.Next(y) - x));
c = fpCopy.GetPixel(ii, jj);
fp.SetPixel(i, j, c);
}
}
fpCopy.Unlock(false);
fp.Unlock(true);
}
break;
case eEffect.CONTRAST: //Contrast
{
double contrast = parameter;
if (contrast <= 0) contrast = pEffect[(int)_effect];
System.Drawing.Color c;
double R, G, B;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
R = c.R / 255.0 - 0.5;
R = R >= 0 ? System.Math.Pow(R, 1.0 / contrast) : -System.Math.Pow(-R, 1.0 / contrast);
R = 255 * (R + 0.5);
R = System.Math.Max(0, System.Math.Min(255, R));
G = c.G / 255.0 - 0.5;
G = G >= 0 ? System.Math.Pow(G, 1.0 / contrast) : -System.Math.Pow(-G, 1.0 / contrast);
G = 255 * (G + 0.5);
G = System.Math.Max(0, System.Math.Min(255, G));
B = c.B / 255.0 - 0.5;
B = B >= 0 ? System.Math.Pow(B, 1.0 / contrast) : -System.Math.Pow(-B, 1.0 / contrast);
B = 255 * (B + 0.5);
B = System.Math.Max(0, System.Math.Min(255, B));
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)R, (int)G, (int)B));
}
}
fp.Unlock(true);
}
break;
case eEffect.BLOCKS: //Blocks
{
System.Drawing.Image.GetThumbnailImageAbort dummyCallback = new System.Drawing.Image.GetThumbnailImageAbort(ResizeAbort);
int size = parameter;
if (size <= 0) size = pEffect[(int)_effect];
_dImg = _dImg.GetThumbnailImage(bmap.Width / size, bmap.Height / size, dummyCallback, IntPtr.Zero);
_dImg = _dImg.GetThumbnailImage(bmap.Width, bmap.Height, dummyCallback, IntPtr.Zero);
bmap = new System.Drawing.Bitmap(_dImg);
}
break;
case eEffect.REFLECT: //Reflect
{
int mode = parameter;
if (mode <= 0) mode = pEffect[(int)_effect];
bmap.RotateFlip(mode == 1 ? System.Drawing.RotateFlipType.RotateNoneFlipY : System.Drawing.RotateFlipType.RotateNoneFlipX);
}
break;
case eEffect.JAGGED: //Jagged
{
System.Drawing.Color c;
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
FastPixel fpCopy = new FastPixel(copy);
int amount = parameter;
if (amount <= 0) amount = pEffect[(int)_effect];
bool up = true, left = false;
int ii, jj;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
if (i % amount == 0) up = !up;
for (int j = 0; j < fp.Height; j++)
{
if (j % amount == 0) left = !left;
ii = left ? System.Math.Max(0, i - amount) : System.Math.Min(fp.Width - 1, i + amount);
jj = up ? System.Math.Max(0, j - amount) : System.Math.Min(fp.Height - 1, j + amount);
c = fpCopy.GetPixel(ii, jj);
fp.SetPixel(i, j, c);
}
}
fpCopy.Unlock(false);
fp.Unlock(true);
}
break;
case eEffect.ROTATE: //Rotate
{
int mode = parameter;
if (mode <= 0) mode = pEffect[(int)_effect];
bmap.RotateFlip(mode == 1 ? System.Drawing.RotateFlipType.Rotate180FlipNone : mode == 2 ? System.Drawing.RotateFlipType.Rotate270FlipNone : System.Drawing.RotateFlipType.Rotate90FlipNone);
}
break;
case eEffect.PIXELATE: //Pixelate
{
System.Drawing.Color c;
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
int amount = parameter;
if (amount <= 0) amount = pEffect[(int)_effect];
FastPixel fpCopy = new FastPixel(copy);
FastPixel fp = new FastPixel(bmap);
int nx = fp.Width / amount + 1;
int ny = fp.Height / amount + 1;
int ii, jj;
int[,] A = new int[nx, ny];
int[,] R = new int[nx, ny];
int[,] G = new int[nx, ny];
int[,] B = new int[nx, ny];
int[,] N = new int[nx, ny];
System.Drawing.Color[,] C = new System.Drawing.Color[nx, ny];
for (int i = 0; i < nx; i++)
{
for (int j = 0; j < ny; j++)
{
A[i, j] = 0;
R[i, j] = 0;
G[i, j] = 0;
B[i, j] = 0;
N[i, j] = 0;
}
}
for (int i = 0; i < fp.Width; i++)
{
ii = i / amount;
for (int j = 0; j < fp.Height; j++)
{
jj = j / amount;
c = fpCopy.GetPixel(i, j);
A[ii, jj] += c.A;
R[ii, jj] += c.R;
G[ii, jj] += c.G;
B[ii, jj] += c.B;
N[ii, jj] += 1;
fp.SetPixel(i, j, c);
}
}
for (int i = 0; i < nx; i++)
{
for (int j = 0; j < ny; j++)
{
if (N[i,j] > 0) C[i, j] = System.Drawing.Color.FromArgb(A[i, j] / N[i, j], R[i, j] / N[i, j], G[i, j] / N[i, j], B[i, j] / N[i, j]);
}
}
for (int i = 0; i < fp.Width; i++)
{
ii = i / amount;
for (int j = 0; j < fp.Height; j++)
{
jj = j / amount;
fp.SetPixel(i, j, C[ii, jj]);
}
}
fp.Unlock(true);
fpCopy.Unlock(false);
}
break;
case eEffect.GAMMA: //Gamma
{
double gamma = parameter;
if (gamma <= 0) gamma = pEffect[(int)_effect];
System.Drawing.Color c;
double R, G, B;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
R = 255.0 * System.Math.Pow(c.R / 255.0, gamma);
R = System.Math.Max(0, System.Math.Min(255, R));
G = 255.0 * System.Math.Pow(c.G / 255.0, gamma);
G = System.Math.Max(0, System.Math.Min(255, G));
B = 255.0 * System.Math.Pow(c.B / 255.0, gamma);
B = System.Math.Max(0, System.Math.Min(255, B));
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)R, (int)G, (int)B));
}
}
fp.Unlock(true);
}
break;
case eEffect.FISHEYE: //FishEye
{
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
double factor = parameter;
if (factor < 1) factor = pEffect[(int)_effect];
factor -= 1;
FastPixel fpCopy = new FastPixel(copy);
FastPixel fp = new FastPixel(bmap);
double centerX = fp.Width / 2; //center of distortion
double centerY = fp.Height / 2;
int width = fp.Width; //image bounds
int height = fp.Height;
xshift = calc_shift(0, centerX - 1, centerX, factor);
double newcenterX = width - centerX;
double xshift_2 = calc_shift(0, newcenterX - 1, newcenterX, factor);
yshift = calc_shift(0, centerY - 1, centerY, factor);
double newcenterY = height - centerY;
double yshift_2 = calc_shift(0, newcenterY - 1, newcenterY, factor);
xscale = (width - xshift - xshift_2) / width;
yscale = (height - yshift - yshift_2) / height;
for (int j = 0; j < height; j++)
{
for (int i = 0; i < width; i++)
{
double x = getRadialX((double)i, (double)j, centerX, centerY, factor);
double y = getRadialY((double)i, (double)j, centerX, centerY, factor);
int ii = System.Math.Min(width - 1, System.Math.Max(0, (int)x));
int jj = System.Math.Min(height - 1, System.Math.Max(0, (int)y));
fp.SetPixel(i, j, fpCopy.GetPixel(ii, jj));
}
}
fp.Unlock(true);
fpCopy.Unlock(false);
}
break;
case eEffect.BULGE: //Bulge
{
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
double factor = parameter;
if (factor <= 0) factor = pEffect[(int)_effect];
FastPixel fpCopy = new FastPixel(copy);
FastPixel fp = new FastPixel(bmap);
double rad = System.Math.Min(fp.Width, fp.Height) / 2.0;
double dx, dy, dist, scale;
int ii, jj;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
dx = i - fp.Width / 2.0;
dy = j - fp.Height / 2.0;
dist = System.Math.Sqrt(dx * dx + dy * dy);
scale = System.Math.Pow(dist / rad, factor) / (dist / rad);
ii = (int)(fp.Width / 2.0 + scale * dx);
ii = System.Math.Min(fp.Width - 1, System.Math.Max(0, ii));
jj = (int)(fp.Height / 2.0 + scale * dy);
jj = System.Math.Min(fp.Height - 1, System.Math.Max(0, jj));
fp.SetPixel(i, j, fpCopy.GetPixel(ii, jj));
}
}
fp.Unlock(true);
fpCopy.Unlock(false);
}
break;
case eEffect.SWIRL: //Swirl
{
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)bmap.Clone();
double factor = parameter;
if (factor == 0) factor = pEffect[(int)_effect];
FastPixel fpCopy = new FastPixel(copy);
FastPixel fp = new FastPixel(bmap);
double dx, dy, dist, theta;
int ii, jj;
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
dx = i - fp.Width / 2.0;
dy = j - fp.Height / 2.0;
dist = System.Math.Sqrt(dx * dx + dy * dy);
if (dx == 0) theta = dy > 0 ? System.Math.PI / 2.0 : 3.0 * System.Math.PI / 2.0;
else theta = System.Math.Atan(dy/dx);
if (dx < 0) theta += System.Math.PI;
theta += dist / fp.Width * factor * 2 * System.Math.PI;
ii = (int)(fp.Width / 2.0 + dist * System.Math.Cos(theta));
ii = System.Math.Min(fp.Width - 1, System.Math.Max(0, ii));
jj = (int)(fp.Height / 2.0 + dist * System.Math.Sin(theta));
jj = System.Math.Min(fp.Height - 1, System.Math.Max(0, jj));
fp.SetPixel(i, j, fpCopy.GetPixel(ii, jj));
}
}
fp.Unlock(true);
fpCopy.Unlock(false);
}
break;
case eEffect.POSTERISE: //Posterise
{
int level = parameter;
if (level <= 0) level = pEffect[(int)_effect];
System.Drawing.Color c;
double R, G, B;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
R = ((int)(c.R / level)) * level;
G = ((int)(c.G / level)) * level;
B = ((int)(c.B / level)) * level;
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)R, (int)G, (int)B));
}
}
fp.Unlock(true);
}
break;
case eEffect.HUE: //Hue
{
double hue = parameter;
if (hue <= 0) hue = pEffect[(int)_effect];
System.Drawing.Color c;
double[] HSL;
double[] RGB;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
HSL = LDColours.RGB2HSL(c.R, c.G, c.B);
RGB = LDColours.HSL2RGB(HSL[0] + hue, HSL[1], HSL[2]);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)(255*RGB[0]+0.5), (int)(255 * RGB[1] + 0.5), (int)(255 * RGB[2] + 0.5)));
}
}
fp.Unlock(true);
}
break;
case eEffect.SATURATION: //Saturation
{
double saturation = parameter;
if (saturation <= 0) saturation = pEffect[(int)_effect];
System.Drawing.Color c;
double[] HSL;
double[] RGB;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
HSL = LDColours.RGB2HSL(c.R, c.G, c.B);
RGB = LDColours.HSL2RGB(HSL[0], HSL[1] * saturation, HSL[2]);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)(255 * RGB[0] + 0.5), (int)(255 * RGB[1] + 0.5), (int)(255 * RGB[2] + 0.5)));
}
}
fp.Unlock(true);
}
break;
case eEffect.LIGHTNESS: //Lightness
{
double lightness = parameter;
if (lightness <= 0) lightness = pEffect[(int)_effect];
System.Drawing.Color c;
double[] HSL;
double[] RGB;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
HSL = LDColours.RGB2HSL(c.R, c.G, c.B);
RGB = LDColours.HSL2RGB(HSL[0], HSL[1], HSL[2] * lightness);
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)(255 * RGB[0] + 0.5), (int)(255 * RGB[1] + 0.5), (int)(255 * RGB[2] + 0.5)));
}
}
fp.Unlock(true);
}
break;
case eEffect.OILPAINT: //Oil Paint
{
int radius = parameter[1];
int levels = parameter[2];
if (radius <= 0) radius = pEffect[(int)_effect][1];
if (levels <= 0) levels = pEffect[(int)_effect][2];
if (radius % 2 == 0) radius++;
bmap = fip.OilPaint(bmap, radius, levels);
}
break;
case eEffect.CHARCOAL: //Charcoal
{
bmap = fip.SketchCharcoal(bmap);
}
break;
case eEffect.SKETCH: //Pen sketch
{
bmap = fip.Sketch(bmap);
}
break;
case eEffect.CARTOON: //Cartool
{
int radius = parameter[1];
int levels = parameter[2];
int inverse = parameter[3];
if (radius <= 0) radius = pEffect[(int)_effect][1];
if (levels <= 0) levels = pEffect[(int)_effect][2];
if (inverse <= 0) inverse = pEffect[(int)_effect][3];
if (radius % 2 == 0) radius++;
bmap = fip.Cartoon(bmap, radius, levels, inverse);
//bmap = fip.Cartoon(bmap, radius, levels, inverse, fip.LaplaceF1());
}
break;
case eEffect.EDGE: //Edge
{
bmap = fip.ImagePrewittFilterColor(bmap);
//bmap = fip.ImagePrewittFilterGS(bmap);
}
break;
case eEffect.ACCENT: //Accent
{
int hue = parameter[1];
int range = parameter[2];
if (hue <= 0) hue = pEffect[(int)_effect][1];
if (range <= 0) range = pEffect[(int)_effect][2];
bmap = fip.ColorAccent(bmap, hue, range);
}
break;
case eEffect.SEPIA: //Sepia
{
int threshhold = parameter;
if (threshhold <= 0) threshhold = pEffect[(int)_effect];
bmap = fip.Sepia(bmap, threshhold);
}
break;
case eEffect.NOISEREMOVAL: //Noise removal
{
bmap = fip.ImageSDROMFilterColor(bmap);
}
break;
case eEffect.SOLARISE: //Solarise
{
double power = parameter;
if (power <= 0) power = pEffect[(int)_effect];
System.Drawing.Color c;
double R, G, B;
FastPixel fp = new FastPixel(bmap);
for (int i = 0; i < fp.Width; i++)
{
for (int j = 0; j < fp.Height; j++)
{
c = fp.GetPixel(i, j);
R = c.R / 255.0;
G = c.G / 255.0;
B = c.B / 255.0;
R = System.Math.Pow(R < 0.5 ? 1 - 2 * R : 2 * R - 1, power) * 255.0;
G = System.Math.Pow(G < 0.5 ? 1 - 2 * G : 2 * G - 1, power) * 255.0;
B = System.Math.Pow(B < 0.5 ? 1 - 2 * B : 2 * B - 1, power) * 255.0;
fp.SetPixel(i, j, System.Drawing.Color.FromArgb(c.A, (int)R, (int)G, (int)B));
}
}
fp.Unlock(true);
}
break;
default:
break;
}
return (System.Drawing.Image)bmap;
}
/// <summary>
/// Converts ARGB images to greyscale using luminance method and calculates image convolution with given filter mask.
/// </summary>
/// <param name="OriginalImage">Original ARGB image</param>
/// <param name="Filter">Filter mask</param>
/// <returns>Filtered greyscaled image</returns>
public Bitmap ImageFilterGS(Bitmap OriginalImage, int[,] Filter)
{
Bitmap image = OriginalImage;
FastPixel fpImage = new FastPixel(image);
Bitmap image2 = new Bitmap(fpImage.Width, fpImage.Height);
FastPixel fpImage2 = new FastPixel(image2);
if (Filter.GetLength(0) != Filter.GetLength(1))
{
throw new Exception("Filter mask must be square.");
}
if (Filter.GetLength(0) % 2 == 0)
{
throw new Exception("Filter mask dimension must be odd.");
}
if (Filter.GetLength(0) < 3)
{
throw new Exception("Filter mask dimension must be greater or equal 3.");
}
int range = (int)Math.Floor(Convert.ToDouble(Filter.GetLength(0) / 2));
for (int m = range; m < fpImage.Width - range; m++)
{
for (int n = range; n < fpImage.Height - range; n++)
{
int[,] roi = new int[Filter.GetLength(0), Filter.GetLength(0)];
int tmpi = 0;
int tmpj = 0;
int newValue = 0;
for (int i = m - range; i < m + range + 1; i++)
{
for (int j = n - range; j < n + range + 1; j++)
{
Color pixel = fpImage.GetPixel(i, j);
Double p = Convert.ToDouble((pixel.R * 0.3) + (pixel.G * 0.59) + (pixel.B * 0.11));
roi[tmpi, tmpj] = (int)p;
tmpj++;
}
tmpi++;
tmpj = 0;
}
for (int k = 0; k < Filter.GetLength(0); k++)
{
for (int l = 0; l < Filter.GetLength(0); l++)
{
newValue += roi[k, l] * Filter[k, l];
}
}
//newValue = (int)(Convert.ToDouble(newValue)/9);
if (newValue > 255) newValue = 255;
if (newValue < 0) newValue = 0;
fpImage2.SetPixel(m, n, Color.FromArgb(255, newValue, newValue, newValue));
}
}
fpImage.Unlock(false);
fpImage2.Unlock(true);
return image2;
}