/// <summary>
/// Generates a number of faults, returning an image
/// </summary>
/// <param name="Width">Width of the resulting image</param>
/// <param name="Height">Height of the resulting image</param>
/// <param name="NumberFaults">Number of faults</param>
/// <param name="Seed">Random seed</param>
/// <returns>An image from the resulting faults</returns>
public static Bitmap Generate(int Width, int Height, int NumberFaults, int Seed)
{
float[,] Heights = new float[Width, Height];
float IncreaseVal = 0.1f;
System.Random Generator = new System.Random(Seed);
for (int x = 0; x < NumberFaults; ++x)
{
IncreaseVal = GenerateFault(Width, Height, NumberFaults, Heights, IncreaseVal, Generator);
}
Bitmap ReturnValue = new Bitmap(Width, Height);
BitmapData ImageData = ReturnValue.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
float Value = Heights[x, y];
Value = (Value * 0.5f) + 0.5f;
Value *= 255;
int RGBValue = ((int)Value).Clamp(255, 0);
ImageData.SetPixel(x, y, Color.FromArgb(RGBValue, RGBValue, RGBValue), ImagePixelSize);
}
}
ReturnValue.UnlockImage(ImageData);
return(ReturnValue);
}
public static Bitmap Generate(int Width, int Height, int NumberOfPoints, int Seed)
{
float[,] DistanceBuffer = new float[Width, Height];
float MinimumDistance = float.MaxValue;
float MaxDistance = float.MinValue;
CellularMap Map = new CellularMap(Seed, Width, Height, NumberOfPoints);
MaxDistance = Map.MaxDistance;
MinimumDistance = Map.MinDistance;
DistanceBuffer = Map.Distances;
Bitmap ReturnValue = new Bitmap(Width, Height);
BitmapData ImageData = ReturnValue.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
float Value = GetHeight(x, y, DistanceBuffer, MinimumDistance, MaxDistance);
Value *= 255;
int RGBValue = ((int)Value).Clamp(255, 0);
ImageData.SetPixel(x, y, Color.FromArgb(RGBValue, RGBValue, RGBValue), ImagePixelSize);
}
}
ReturnValue.UnlockImage(ImageData);
return(ReturnValue);
}
/// <summary>
/// Loads an image
/// </summary>
/// <param name="ImageUsing">Image to load</param>
public virtual void LoadImage(Bitmap ImageUsing)
{
if (ImageUsing == null)
{
throw new ArgumentNullException("ImageUsing");
}
BitmapData OldData = ImageUsing.LockImage();
int PixelSize = OldData.GetPixelSize();
Width = ImageUsing.Width;
Height = ImageUsing.Height;
R.Clear();
G.Clear();
B.Clear();
for (int x = 0; x < ImageUsing.Width; ++x)
{
for (int y = 0; y < ImageUsing.Height; ++y)
{
Color TempColor = OldData.GetPixel(x, y, PixelSize);
++R[(int)TempColor.R];
++G[(int)TempColor.G];
++B[(int)TempColor.B];
}
}
ImageUsing.UnlockImage(OldData);
}
public static Bitmap AddNoise2(Bitmap OriginalImage, int Amount)
{
Bitmap NewBitmap = new Bitmap(OriginalImage.Width, OriginalImage.Height);
BitmapData NewData = NewBitmap.LockImage(); //Image.LockImage(NewBitmap);
BitmapData OldData = OriginalImage.LockImage(); //Image.LockImage(OriginalImage);
int NewPixelSize = NewData.GetPixelSize(); //Image.GetPixelSize(NewData);
int OldPixelSize = OldData.GetPixelSize(); //Image.GetPixelSize(OldData);
Utilities.Random.Random TempRandom = new Utilities.Random.Random();
for (int x = 0; x < NewBitmap.Width; ++x)
{
for (int y = 0; y < NewBitmap.Height; ++y)
{
Color CurrentPixel = OldData.GetPixel(x, y, OldPixelSize); //Image.GetPixel(OldData, x, y, OldPixelSize);
int noise = (int)AWGN() * 255;
int R = CurrentPixel.R + noise; //(int)Statistic.GaussianRandom(0, 1);//(int)Statistic.NextGaussian(0f, 1f, -Amount, Amount + 1);//TempRandom.Next(-Amount, Amount + 1);
int G = CurrentPixel.G + noise; //(int)Statistic.GaussianRandom(0, 1);//(int)Statistic.NextGaussian(0f, 1f, -Amount, Amount + 1);//TempRandom.Next(-Amount, Amount + 1);
int B = CurrentPixel.B + noise; //(int)Statistic.GaussianRandom(0, 1);//(int)Statistic.NextGaussian(0f, 1f, -Amount, Amount + 1);//TempRandom.Next(-Amount, Amount + 1);
R = R > 255 ? 255 : R;
R = R < 0 ? 0 : R;
G = G > 255 ? 255 : G;
G = G < 0 ? 0 : G;
B = B > 255 ? 255 : B;
B = B < 0 ? 0 : B;
Color TempValue = Color.FromArgb(R, G, B);
NewData.SetPixel(x, y, TempValue, NewPixelSize);//Image.SetPixel(NewData, x, y, TempValue, NewPixelSize);
}
}
NewBitmap.UnlockImage(NewData); //Image.UnlockImage(NewBitmap, NewData);
OriginalImage.UnlockImage(OldData); //Image.UnlockImage(OriginalImage, OldData);
return(NewBitmap);
}
public static Bitmap AdjustGamma(Bitmap OriginalImage, float Value)
{
Bitmap NewBitmap = new Bitmap(OriginalImage.Width, OriginalImage.Height);
BitmapData NewData = NewBitmap.LockImage(); //Image.LockImage(NewBitmap);
BitmapData OldData = OriginalImage.LockImage(); //Image.LockImage(OriginalImage);
int NewPixelSize = NewData.GetPixelSize(); //Image.GetPixelSize(NewData);
int OldPixelSize = OldData.GetPixelSize(); //Image.GetPixelSize(OldData);
int[] RedRamp = new int[256];
int[] GreenRamp = new int[256];
int[] BlueRamp = new int[256];
for (int x = 0; x < 256; ++x)
{
RedRamp[x] = Clamp((int)((255.0 * System.Math.Pow(x / 255.0, 1.0 / Value)) + 0.5), 255, 0);
GreenRamp[x] = Clamp((int)((255.0 * System.Math.Pow(x / 255.0, 1.0 / Value)) + 0.5), 255, 0);
BlueRamp[x] = Clamp((int)((255.0 * System.Math.Pow(x / 255.0, 1.0 / Value)) + 0.5), 255, 0);
}
for (int x = 0; x < NewBitmap.Width; ++x)
{
for (int y = 0; y < NewBitmap.Height; ++y)
{
Color Pixel = OldData.GetPixel(x, y, OldPixelSize);//Image.GetPixel(OldData, x, y, OldPixelSize);
int Red = RedRamp[Pixel.R];
int Green = GreenRamp[Pixel.G];
int Blue = BlueRamp[Pixel.B];
NewData.SetPixel(x, y, Color.FromArgb(Red, Green, Blue), NewPixelSize);//Image.SetPixel(NewData, x, y, Color.FromArgb(Red, Green, Blue), NewPixelSize);
}
}
NewBitmap.UnlockImage(NewData); //Image.UnlockImage(NewBitmap, NewData);
OriginalImage.UnlockImage(OldData); //Image.UnlockImage(OriginalImage, OldData);
return(NewBitmap);
}
private void SetupImage()
{
BitmapData ImageData = _Image.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
int Width = _Image.Width;
int Height = _Image.Height;
Parallel.For(0, _NumberOfPoints, i =>
{
int Red = 0;
int Green = 0;
int Blue = 0;
int Counter = 0;
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
if (Map.ClosestPoint[x, y] == i)
{
Color Pixel = ImageData.GetPixel(x, y, ImagePixelSize);
Red += Pixel.R;
Green += Pixel.G;
Blue += Pixel.B;
++Counter;
}
}
}
int Counter2 = 0;
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
if (Map.ClosestPoint[x, y] == i)
{
ImageData.SetPixel(x, y, Color.FromArgb(Red / Counter, Green / Counter, Blue / Counter), ImagePixelSize);
++Counter2;
if (Counter2 == Counter)
{
break;
}
}
}
if (Counter2 == Counter)
{
break;
}
}
});
_Image.UnlockImage(ImageData);
}
/// <summary>
/// Creates the bump map
/// </summary>
public virtual Bitmap Create(Bitmap ImageUsing)
{
if (ImageUsing == null)
{
throw new ArgumentNullException("ImageUsing");
}
CreateFilter();
using (Bitmap TempImageX = FilterX.Create(ImageUsing))
{
using (Bitmap TempImageY = FilterY.Create(ImageUsing))
{
Bitmap ReturnImage = new Bitmap(TempImageX.Width, TempImageX.Height);
Math.Vector3 TempVector = new Utilities.Math.Vector3(0.0, 0.0, 0.0);
BitmapData TempImageXData = TempImageX.LockImage();
BitmapData TempImageYData = TempImageY.LockImage();
BitmapData ReturnImageData = ReturnImage.LockImage();
int TempImageXPixelSize = TempImageXData.GetPixelSize();
int TempImageYPixelSize = TempImageYData.GetPixelSize();
int ReturnImagePixelSize = ReturnImageData.GetPixelSize();
for (int y = 0; y < TempImageX.Height; ++y)
{
for (int x = 0; x < TempImageX.Width; ++x)
{
Color TempPixelX = TempImageXData.GetPixel(x, y, TempImageXPixelSize);
Color TempPixelY = TempImageYData.GetPixel(x, y, TempImageYPixelSize);
TempVector.X = (double)(TempPixelX.R) / 255.0;
TempVector.Y = (double)(TempPixelY.R) / 255.0;
TempVector.Z = 1.0;
TempVector.Normalize();
TempVector.X = ((TempVector.X + 1.0) / 2.0) * 255.0;
TempVector.Y = ((TempVector.Y + 1.0) / 2.0) * 255.0;
TempVector.Z = ((TempVector.Z + 1.0) / 2.0) * 255.0;
ReturnImageData.SetPixel(x, y,
Color.FromArgb((int)TempVector.X,
(int)TempVector.Y,
(int)TempVector.Z),
ReturnImagePixelSize);
}
}
TempImageX.UnlockImage(TempImageXData);
TempImageY.UnlockImage(TempImageYData);
ReturnImage.UnlockImage(ReturnImageData);
return(ReturnImage);
}
}
}
/// <summary>
/// Creates the bump map
/// </summary>
public virtual Bitmap Create(Bitmap ImageUsing)
{
ImageUsing.ThrowIfNull("ImageUsing");
CreateFilter();
using (Bitmap TempImageX = FilterX.Create(ImageUsing))
{
using (Bitmap TempImageY = FilterY.Create(ImageUsing))
{
Bitmap ReturnImage = new Bitmap(TempImageX.Width, TempImageX.Height);
BitmapData TempImageXData = TempImageX.LockImage();
BitmapData TempImageYData = TempImageY.LockImage();
BitmapData ReturnImageData = ReturnImage.LockImage();
int TempImageXPixelSize = TempImageXData.GetPixelSize();
int TempImageYPixelSize = TempImageYData.GetPixelSize();
int ReturnImagePixelSize = ReturnImageData.GetPixelSize();
int Width = TempImageX.Width;
int Height = TempImageX.Height;
Parallel.For(0, Height, y =>
{
Math.Vector3 TempVector = new Utilities.Math.Vector3(0.0, 0.0, 0.0);
for (int x = 0; x < Width; ++x)
{
Color TempPixelX = TempImageXData.GetPixel(x, y, TempImageXPixelSize);
Color TempPixelY = TempImageYData.GetPixel(x, y, TempImageYPixelSize);
TempVector.X = (double)(TempPixelX.R) / 255.0;
TempVector.Y = (double)(TempPixelY.R) / 255.0;
TempVector.Z = 1.0;
TempVector.Normalize();
TempVector.X = ((TempVector.X + 1.0) / 2.0) * 255.0;
TempVector.Y = ((TempVector.Y + 1.0) / 2.0) * 255.0;
TempVector.Z = ((TempVector.Z + 1.0) / 2.0) * 255.0;
ReturnImageData.SetPixel(x, y,
Color.FromArgb((int)TempVector.X,
(int)TempVector.Y,
(int)TempVector.Z),
ReturnImagePixelSize);
}
});
TempImageX.UnlockImage(TempImageXData);
TempImageY.UnlockImage(TempImageYData);
ReturnImage.UnlockImage(ReturnImageData);
return(ReturnImage);
}
}
}
/// <summary>
/// Generates perlin noise
/// </summary>
/// <param name="Width">Width of the resulting image</param>
/// <param name="Height">Height of the resulting image</param>
/// <param name="MaxRGBValue">MaxRGBValue</param>
/// <param name="MinRGBValue">MinRGBValue</param>
/// <param name="Frequency">Frequency</param>
/// <param name="Amplitude">Amplitude</param>
/// <param name="Persistance">Persistance</param>
/// <param name="Octaves">Octaves</param>
/// <param name="Seed">Random seed</param>
/// <returns>An image containing perlin noise</returns>
public static Bitmap Generate(int Width, int Height, int MaxRGBValue, int MinRGBValue,
float Frequency, float Amplitude, float Persistance, int Octaves, int Seed)
{
Bitmap ReturnValue = new Bitmap(Width, Height);
BitmapData ImageData = ReturnValue.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
float[,] Noise = GenerateNoise(Seed, Width, Height);
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
float Value = GetValue(x, y, Width, Height, Frequency, Amplitude, Persistance, Octaves, Noise);
Value = (Value * 0.5f) + 0.5f;
Value *= 255;
int RGBValue = ((int)Value).Clamp(MaxRGBValue, MinRGBValue);
ImageData.SetPixel(x, y, Color.FromArgb(RGBValue, RGBValue, RGBValue), ImagePixelSize);
}
}
ReturnValue.UnlockImage(ImageData);
return(ReturnValue);
}
/// <summary>
/// Loads an image
/// </summary>
/// <param name="ImageUsing">Image to load</param>
public virtual void LoadImage(Bitmap ImageUsing)
{
Contract.Requires <ArgumentNullException>(ImageUsing != null, "ImageUsing");
BitmapData OldData = ImageUsing.LockImage();
int PixelSize = OldData.GetPixelSize();
Width = ImageUsing.Width;
Height = ImageUsing.Height;
R.Clear();
G.Clear();
B.Clear();
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
Color TempColor = OldData.GetPixel(x, y, PixelSize);
++R[(int)TempColor.R];
++G[(int)TempColor.G];
++B[(int)TempColor.B];
}
}
ImageUsing.UnlockImage(OldData);
}
/// <summary>
/// Loads an image
/// </summary>
/// <param name="ImageUsing">Image to load</param>
public virtual void LoadImage(Bitmap ImageUsing)
{
ImageUsing.ThrowIfNull("ImageUsing");
BitmapData OldData = ImageUsing.LockImage();
int PixelSize = OldData.GetPixelSize();
Width = ImageUsing.Width;
Height = ImageUsing.Height;
R.Clear();
G.Clear();
B.Clear();
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
Color TempColor = OldData.GetPixel(x, y, PixelSize);
++R[(int)TempColor.R];
++G[(int)TempColor.G];
++B[(int)TempColor.B];
}
}
ImageUsing.UnlockImage(OldData);
}
/// <summary>
/// Converts an image to ASCII art
/// </summary>
/// <param name="Input">The image you wish to convert</param>
/// <returns>A string containing the art</returns>
public static string ConvertToASCII(Bitmap Input)
{
if (Input == null)
{
throw new ArgumentNullException("Input");
}
bool ShowLine = true;
using (Bitmap TempImage = Input.BlackAndWhite())
{
BitmapData OldData = TempImage.LockImage();
int OldPixelSize = OldData.GetPixelSize();
StringBuilder Builder = new StringBuilder();
for (int x = 0; x < TempImage.Height; ++x)
{
for (int y = 0; y < TempImage.Width; ++y)
{
if (ShowLine)
{
Color CurrentPixel = OldData.GetPixel(y, x, OldPixelSize);
Builder.Append(_ASCIICharacters[((CurrentPixel.R * _ASCIICharacters.Length) / 255)]);
}
}
if (ShowLine)
{
Builder.Append(System.Environment.NewLine);
ShowLine = false;
}
else
{
ShowLine = true;
}
}
TempImage.UnlockImage(OldData);
return(Builder.ToString());
}
}
/// <summary>
/// Runs the motion detection algorithm
/// </summary>
/// <param name="NewImage">The "new" frame</param>
/// <param name="OldImage">The "old" frame</param>
/// <param name="Threshold">The threshold used to detect changes in the image</param>
/// <param name="DetectionColor">Color to display changes in the images as</param>
/// <returns>A bitmap indicating where changes between frames have occurred overlayed on top of the new image.</returns>
public static Bitmap Process(Bitmap NewImage, Bitmap OldImage, int Threshold, Color DetectionColor)
{
NewImage.ThrowIfNull("NewImage");
OldImage.ThrowIfNull("OldImage");
DetectionColor.ThrowIfNull("DetectionColor");
using (Bitmap NewImage1 = NewImage.BlackAndWhite())
{
using (Bitmap OldImage1 = OldImage.BlackAndWhite())
{
using (Bitmap NewImage2 = NewImage1.SNNBlur(5))
{
using (Bitmap OldImage2 = OldImage1.SNNBlur(5))
{
using (Bitmap OutputImage = new Bitmap(NewImage2, NewImage2.Width, NewImage2.Height))
{
using (Bitmap Overlay = new Bitmap(NewImage, NewImage.Width, NewImage.Height))
{
BitmapData NewImage2Data = NewImage2.LockImage();
int NewImage2PixelSize = NewImage2Data.GetPixelSize();
BitmapData OldImage2Data = OldImage2.LockImage();
int OldImage2PixelSize = OldImage2Data.GetPixelSize();
BitmapData OverlayData = Overlay.LockImage();
int OverlayPixelSize = OverlayData.GetPixelSize();
int Width = OutputImage.Width;
int Height = OutputImage.Height;
Parallel.For(0, Width, x =>
{
for (int y = 0; y < Height; ++y)
{
Color NewPixel = NewImage2Data.GetPixel(x, y, NewImage2PixelSize);
Color OldPixel = OldImage2Data.GetPixel(x, y, OldImage2PixelSize);
if (System.Math.Pow((double)(NewPixel.R - OldPixel.R), 2.0) > Threshold)
{
OverlayData.SetPixel(x, y, Color.FromArgb(100, 0, 100), OverlayPixelSize);
}
else
{
OverlayData.SetPixel(x, y, Color.FromArgb(200, 0, 200), OverlayPixelSize);
}
}
});
Overlay.UnlockImage(OverlayData);
NewImage2.UnlockImage(NewImage2Data);
OldImage2.UnlockImage(OldImage2Data);
using (Bitmap Overlay2 = Overlay.EdgeDetection(25, DetectionColor))
{
BitmapData Overlay2Data = Overlay2.LockImage();
int Overlay2PixelSize = Overlay2Data.GetPixelSize();
Width = OutputImage.Width;
Height = OutputImage.Height;
Parallel.For(0, Width, x =>
{
for (int y = 0; y < Height; ++y)
{
Color Pixel1 = Overlay2Data.GetPixel(x, y, Overlay2PixelSize);
if (Pixel1.R != DetectionColor.R || Pixel1.G != DetectionColor.G || Pixel1.B != DetectionColor.B)
{
Overlay2Data.SetPixel(x, y, Color.FromArgb(200, 0, 200), Overlay2PixelSize);
}
}
});
Overlay2.UnlockImage(Overlay2Data);
return(OutputImage.Watermark(Overlay2, 1.0f, 0, 0, Color.FromArgb(200, 0, 200)));
}
}
}
}
}
}
}
}
public virtual Bitmap ApplyFilter(Bitmap Input)
{
Contract.Requires <ArgumentNullException>(Input != null, "Input");
Bitmap NewBitmap = new Bitmap(Input.Width, Input.Height);
BitmapData NewData = NewBitmap.LockImage();
BitmapData OldData = Input.LockImage();
int NewPixelSize = NewData.GetPixelSize();
int OldPixelSize = OldData.GetPixelSize();
int Width2 = Input.Width;
int Height2 = Input.Height;
Parallel.For(0, Width2, x =>
{
for (int y = 0; y < Height2; ++y)
{
int RValue = 0;
int GValue = 0;
int BValue = 0;
int Weight = 0;
int XCurrent = -Width / 2;
for (int x2 = 0; x2 < Width; ++x2)
{
if (XCurrent + x < Width2 && XCurrent + x >= 0)
{
int YCurrent = -Height / 2;
for (int y2 = 0; y2 < Height; ++y2)
{
if (YCurrent + y < Height2 && YCurrent + y >= 0)
{
Color Pixel = OldData.GetPixel(XCurrent + x, YCurrent + y, OldPixelSize);
RValue += MyFilter[x2, y2] * Pixel.R;
GValue += MyFilter[x2, y2] * Pixel.G;
BValue += MyFilter[x2, y2] * Pixel.B;
Weight += MyFilter[x2, y2];
}
++YCurrent;
}
}
++XCurrent;
}
Color MeanPixel = OldData.GetPixel(x, y, OldPixelSize);
if (Weight == 0)
{
Weight = 1;
}
if (Weight > 0)
{
if (Absolute)
{
RValue = System.Math.Abs(RValue);
GValue = System.Math.Abs(GValue);
BValue = System.Math.Abs(BValue);
}
RValue = (RValue / Weight) + Offset;
RValue = RValue.Clamp(255, 0);
GValue = (GValue / Weight) + Offset;
GValue = GValue.Clamp(255, 0);
BValue = (BValue / Weight) + Offset;
BValue = BValue.Clamp(255, 0);
MeanPixel = Color.FromArgb(RValue, GValue, BValue);
}
NewData.SetPixel(x, y, MeanPixel, NewPixelSize);
}
});
NewBitmap.UnlockImage(NewData);
Input.UnlockImage(OldData);
return(NewBitmap);
}