/// <summary>
/// Метод, предназначенный для квантования изображения
/// </summary>
/// <param name="bitmap"></param>
/// <param name="n"></param>
/// <returns></returns>
public static Bitmap Quantization(Bitmap bitmap, int n)
{
BufferedImage img = new BufferedImage(bitmap);
Color color;
for (int i = 0; i < img.getWidth(); i++)
{
for (int j = 0; j < img.getHeight(); j++)
{
color = new Color(img.getRGB(i, j));
if (color.getRed() % n != 0 && color.getRed() != 0)
{
img.setRGB(i, j, new Color(newColor(color.getRed(), n), color.getGreen(), color.getBlue()).getRGB());
}
if (color.getBlue() % n != 0 && color.getBlue() != 0)
{
img.setRGB(i, j, new Color(color.getRed(), color.getGreen(), newColor(color.getBlue(), n)).getRGB());
}
if (color.getGreen() % n != 0 && color.getGreen() != 0)
{
img.setRGB(i, j, new Color(color.getRed(), newColor(color.getGreen(), n), color.getBlue()).getRGB());
}
}
}
return(img.getBitmap());
}
public void imageBegin(int w, int h, int bucketSize)
{
lock (lockObj)
{
if (image != null && w == image.getWidth() && h == image.getHeight())
{
// dull image if it has same resolution (75%)
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
int rgb = image.getRGB(x, y);
image.setRGB(x, y, ((uint)(rgb & 0x00FEFEFE) >> 1) + ((uint)(rgb & 0x00FCFCFC) >> 2));//>>>
}
}
}
else
{
// allocate new framebuffer
image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
// center
this.w = w;
this.h = h;
xo = yo = 0;
}
repaintCounter = NanoTime.Now;
repaint();
}
}
/// <summary>
/// Метод, предназначенный для замены яркости определенного кол-ва пикселей
/// </summary>
/// <param name="bitmap"></param>
/// <param name="percent"></param>
/// <returns></returns>
public static Bitmap RandomReplacePixel(Bitmap bitmap, int percent)
{
BufferedImage img = new BufferedImage(bitmap);
int n = img.getHeight() * img.getWidth() * percent / 100;
int maxWidth = img.getWidth(), maxHeight = img.getHeight();
Random random = new Random();
for (int i = 0; i < n / 2; i++)
{
img.setRGB((int)((double)random.Next(0, 100) / 100 * maxWidth), (int)((double)random.Next(0, 100) / 100 * maxHeight), new Color(0, 0, 0).getRGB());
img.setRGB((int)((double)random.Next(0, 100) / 100 * maxWidth), (int)((double)random.Next(0, 100) / 100 * maxHeight), new Color(255, 255, 255).getRGB());
}
return(img.getBitmap());
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
int radius = kernel.Length / 2;
if (normalize)
{
normalizeKernel();
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
double result = convolve(x, y, radius);
int gray = (int)Math.Round(result);
int alpha = (new Color(originalImage.getRGB(x, y))).Alpha;
int rgb = ImageUtilities.colorToRGB(alpha, gray, gray, gray);
filteredImage.setRGB(x, y, rgb);
}
}
return(filteredImage);
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int oldWidth = image.Width;
int oldHeight = image.Height;
int width = image.Width - 2 * radius;
int height = image.Height - 2 * radius;
filteredImage = new BufferedImage(width, height, originalImage.Type);
createKernel();
for (int i = radius; i < oldWidth - radius; i++)
{
for (int j = radius; j < oldHeight - radius; j++)
{
int alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
int newColor = getNewColor(i, j);
int rgb = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
int x = i - radius;
int y = j - radius;
filteredImage.setRGB(x, y, rgb);
}
}
return(filteredImage);
}
/// <summary>
/// Метод, предназначенный для вырезания части изображения и увеличения его в 4 раза
/// </summary>
/// <param name="bitmap"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="n"></param>
/// <returns></returns>
public static Bitmap FragmentCut(Bitmap bitmap, int x1 = 160, int y1 = 160, int x2 = 240, int y2 = 240, int n = 4)
{
BufferedImage img = new BufferedImage(bitmap);
int width = x2 - x1;
int height = y2 - y1;
BufferedImage newImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int i = x1, ik = 0; i < x2; i++, ik++)
{
for (int j = y1, jk = 0; j < y2; j++, jk++)
{
Color color = new Color(img.getRGB(i, j));
newImg.setRGB(ik, jk, color.getRGB());
}
}
BufferedImage resizeNewImg = new BufferedImage(width * n, height * n, BufferedImage.TYPE_INT_RGB);
for (int i = 0, i1 = 0; i < width; i++, i1 += 4)
{
for (int j = 0, j1 = 0; j < height; j++, j1 += 4)
{
Color color = new Color(newImg.getRGB(i, j));
for (int k = 0; k < n; k++)
{
resizeNewImg.setRGB(i1 + k, j1 + k, color.getRGB());
}
}
}
return(resizeNewImg.getBitmap());
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
int[] arrayOfPixels;
int median;
int alpha;
int newColor;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
arrayOfPixels = getArrayOfPixels(i, j);
median = findMedian(arrayOfPixels);
alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
newColor = ImageUtilities.colorToRGB(alpha, median, median, median);
filteredImage.setRGB(i, j, newColor);
}
}
return(filteredImage);
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
width = originalImage.Width;
height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
kernel = createKernel();
int white = 255;
int black = 0;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
int color = (new Color(originalImage.getRGB(i, j))).Red;
if (color == black)
{
convolve(i, j);
}
else
{
int alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
int rgb = ImageUtilities.colorToRGB(alpha, white, white, white);
filteredImage.setRGB(i, j, rgb);
}
}
}
return(filteredImage);
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int alpha;
int red;
int green;
int blue;
int gray;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
red = (new Color(originalImage.getRGB(i, j))).Red;
green = (new Color(originalImage.getRGB(i, j))).Green;
blue = (new Color(originalImage.getRGB(i, j))).Blue;
gray = (int)(0.21 * red + 0.71 * green + 0.07 * blue);
gray = ImageUtilities.colorToRGB(alpha, gray, gray, gray);
filteredImage.setRGB(i, j, gray);
}
}
return(filteredImage);
}
/// <summary>
/// This method cleans input image by replacing all pixels with RGB values
/// from -3092272 (light gray) to -1 (white) with white pixels and from
/// -3092272 (light gray) to -16777216 (black) with black pixels
/// </summary>
/// <param name="image"> - input image that will be cleaned </param>
/// <returns> - cleaned input image as BufferedImage </returns>
public static BufferedImage blackAndLightGrayCleaning(BufferedImage image)
{
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
if (image.getRGB(i, j) > -4473925)
{
image.setRGB(i, j, -1);
}
else
{
image.setRGB(i, j, -16777216);
}
}
}
return(image);
}
/// <summary>
/// This method cleans input image by replacing all pixels with RGB values
/// from RGBcolor input (the input color) to -1 (white) with white pixels and
/// from RGBcolor input (the input color) to -16777216 (black) with black
/// pixels
/// </summary>
/// <param name="image"> - input image that will be cleaned </param>
/// <param name="RGBcolor"> - input RGB value of wanted color as reference for
/// celaning </param>
/// <returns> - cleaned input image as BufferedImage </returns>
public static BufferedImage colorCleaning(BufferedImage image, int RGBcolor)
{
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
if (image.getRGB(i, j) == RGBcolor)
{
image.setRGB(i, j, -16777216);
}
else
{
image.setRGB(i, j, -1);
}
}
}
return(image);
}
public virtual BufferedImage processImage(BufferedImage image)
{
double variance = sigma * sigma;
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
double a = 0.0;
double b = 0.0;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
while (a == 0.0)
{
a = new Random(1).NextDouble();
}
b = new Random(2).NextDouble();
double x = Math.Sqrt(-2 * Math.Log(a)) * Math.Cos(2 * Math.PI * b);
double noise = mean + Math.Sqrt(variance) * x;
//
//
int gray = (new Color(originalImage.getRGB(i, j))).Red;
int alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
double color = gray + noise;
if (color > 255)
{
color = 255;
}
if (color < 0)
{
color = 0;
}
int newColor = (int)Math.Round(color);
int rgb = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
filteredImage.setRGB(i, j, rgb);
} //j
} //i
return(filteredImage);
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
width = originalImage.Width;
height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
//JAVA TO C# CONVERTER NOTE: The following call to the 'RectangularArrays' helper class reproduces the rectangular array initialization that is automatic in Java:
//ORIGINAL LINE: imageMatrix = new int[width][height];
imageMatrix = RectangularArrays.ReturnRectangularIntArray(width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
imageMatrix[i][j] = (new Color(originalImage.getRGB(i, j))).Red;
}
}
mean = calculateMean();
@var = calculateVariance();
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
double normalizedPixel = 0;
double squareError = 0;
if (imageMatrix[i][j] > mean)
{
squareError = (imageMatrix[i][j] - mean) * (imageMatrix[i][j] - mean);
normalizedPixel = (GOAL_MEAN_Renamed + Math.Sqrt(((GOAL_VARIANCE_Renamed * squareError / @var))));
}
else
{
squareError = (imageMatrix[i][j] - mean) * (imageMatrix[i][j] - mean);
normalizedPixel = (GOAL_MEAN_Renamed - Math.Sqrt(((GOAL_VARIANCE_Renamed * squareError / @var))));
}
int alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
int rgb = (int)-normalizedPixel;
int color = ImageUtilities.colorToRGB(alpha, rgb, rgb, rgb);
filteredImage.setRGB(i, j, color);
}
}
return(filteredImage);
}
void HAL.Pixel(float x, float y, float r, float g, float b)
{
var x1 = Clamp(x, canvas.getWidth());
var y1 = Clamp(y, canvas.getHeight());
int r1 = Clamp(r, 256);
int g1 = Clamp(g, 256);
int b1 = Clamp(b, 256);
canvas.setRGB(x1, y1, (0xFF << 24) | (r1 << 16) | (g1 << 8) | b1);
int Clamp(float a, int b) => System.Math.Min(System.Math.Max((int)(a * b), 0), b - 1);
}
/// <summary>
/// This method cleans input image by replacing all non black pixels with
/// white pixels TODO: some should be used here
/// </summary>
/// <param name="image"> - input image that will be cleaned </param>
/// <returns> - cleaned input image as BufferedImage </returns>
public static BufferedImage blackAndWhiteCleaning(BufferedImage image)
{
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
if (image.getRGB(i, j) != -16777216)
{
image.setRGB(i, j, -1);
}
}
}
return(image);
}
private void resampleFrameFile(Sector sector, BufferedImage srcImage, BufferedImage destImage, int frameNumber,
PixelTransformer pt)
{
int frameULX = pixelColumn(0, frameNumber, this.frameStructure.getPixelRowsPerFrame(),
this.frameStructure.getPolarFrames());
int frameULY = pixelRow(0, frameNumber, this.frameStructure.getPixelRowsPerFrame(),
this.frameStructure.getPolarFrames());
int width = destImage.getWidth();
int height = destImage.getHeight();
double deltaLon = (sector.getMaxLongitude().degrees - sector.getMinLongitude().degrees) / width;
double deltaLat = (sector.getMaxLatitude().degrees - sector.getMinLatitude().degrees) / height;
// unbundle these values that are used in the nested loop below -- its compute intensive enough...
double minLon = sector.getMinLongitude().degrees;
double minLat = sector.getMinLatitude().degrees;
double polarConstant = this.frameStructure.getPolarPixelConstant();
int srcWidth = srcImage.getWidth();
int srcHeight = srcImage.getHeight();
for (int y = 0; y < height; y++)
{
double lat = minLat + y * deltaLat;
for (int x = 0; x < width; x++)
{
double lon = minLon + x * deltaLon;
int pixelX = pt.latLon2X(lat, lon, polarConstant);
int pixelY = pt.latLon2Y(lat, lon, polarConstant);
int i = pixelX - frameULX;
int j = frameULY - pixelY;
if (i < 0 || i >= srcWidth || j < 0 || j >= srcHeight)
{
continue;
}
int color = srcImage.getRGB(i, j);
// Remove black trim known to be present in these maps....
if ((color & 0x00FFFFFF) == 0)
{
color = 0;
}
destImage.setRGB(x, height - 1 - y, color);
}
}
}
private void createColorImageThreadTask(BufferedImage imageChunk, int mask, ArrayList <BufferedImage> resultList, int index)
{
BufferedImage colorImage = new BufferedImage(imageChunk.getWidth(),
imageChunk.getHeight(), imageChunk.getType());
for (int x = 0; x < imageChunk.getWidth(); x++)
{
for (int y = 0; y < imageChunk.getHeight(); y++)
{
int pixel = imageChunk.getRGB(x, y) & mask;
colorImage.setRGB(x, y, pixel);
}
}
resultList.Add(colorImage);
}
/// <summary>
/// Изменение размера изображения
/// </summary>
/// <param name="bitmap"></param>
/// <param name="n"></param>
/// <returns></returns>
public static Bitmap DecreaseImageResolution(Bitmap bitmap, int n)
{
BufferedImage img = new BufferedImage(bitmap);
BufferedImage newImg = new BufferedImage(bitmap.Width / n, bitmap.Height / n, BufferedImage.TYPE_INT_RGB);
for (int i = 0, ik = 0; ik < img.getWidth(null); i++, ik += n)
{
for (int j = 0, jk = 0; jk < img.getHeight(null); j++, jk += n)
{
Color color = new Color(img.getRGB(ik, jk));
newImg.setRGB(i, j, color.getRGB());
}
}
return(newImg.getBitmap());
}
private void convolve(int i, int j)
{
for (int x = i - 2; x <= i + 2; x++)
{
for (int y = j - 2; y <= j + 2; y++)
{
if (x >= 0 && y >= 0 && x < width && y < height)
{
int black = 0;
int alpha = (new Color(originalImage.getRGB(x, y))).Alpha;
int rgb = ImageUtilities.colorToRGB(alpha, black, black, black);
filteredImage.setRGB(x, y, rgb);
}
}
}
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
Attributes = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
int[][] filter1 = new int[][] { new int[] { -1, 0, 1 }, new int[] { -2, 0, 2 }, new int[] { -1, 0, 1 } };
int[][] filter2 = new int[][] { new int[] { 1, 2, 1 }, new int[] { 0, 0, 0 }, new int[] { -1, -2, -1 } };
for (int y = 1; y < height - 1; y++)
{
for (int x = 1; x < width - 1; x++)
{
// get 3-by-3 array of colors in neighborhood
//JAVA TO C# CONVERTER NOTE: The following call to the 'RectangularArrays' helper class reproduces the rectangular array initialization that is automatic in Java:
//ORIGINAL LINE: int[][] gray = new int[3][3];
int[][] gray = RectangularArrays.ReturnRectangularIntArray(3, 3);
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
gray[i][j] = (int)lum(new Color(originalImage.getRGB(x - 1 + i, y - 1 + j)));
}
}
// apply filter
int gray1 = 0, gray2 = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
gray1 += gray[i][j] * filter1[i][j];
gray2 += gray[i][j] * filter2[i][j];
}
}
// int magnitude = 255 - truncate(Math.abs(gray1) + Math.abs(gray2));
int magnitude = 255 - truncate((int)Math.Sqrt(gray1 * gray1 + gray2 * gray2));
Color grayscale = new Color(magnitude, magnitude, magnitude);
filteredImage.setRGB(x, y, grayscale.RGB);
}
}
return(filteredImage);
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
int[] histogram = imageHistogram(originalImage);
int totalNumberOfpixels = height * width;
int treshold = treshold(histogram, totalNumberOfpixels);
int black = 0;
int white = 255;
int alpha;
int gray;
int newColor;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
gray = (new Color(originalImage.getRGB(i, j))).Red;
alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
if (gray > treshold)
{
newColor = white;
}
else
{
newColor = black;
}
newColor = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
filteredImage.setRGB(i, j, newColor);
}
}
return(filteredImage);
}
/// <summary>
/// Выполняет линейное контрастирование изображения
/// </summary>
/// <param name="bitmap">Передаваемое изображение</param>
/// <returns></returns>
public static Bitmap SetsContrans(Bitmap bitmap)
{
BufferedImage img = new BufferedImage(bitmap);
Color color;
for (int i = 0; i < img.getWidth(); i++)
{
for (int j = 0; j < img.getHeight(); j++)
{
color = new Color(img.getRGB(i, j));
int r = color.getRed();
int g = color.getGreen();
int b = color.getBlue();
if (r > 94)
{
r = 94;
}
else if (r < 28)
{
r = 28;
}
if (g > 94)
{
g = 94;
}
else if (g < 28)
{
g = 28;
}
if (b > 94)
{
b = 94;
}
else if (b < 28)
{
b = 28;
}
img.setRGB(i, j, new Color(r, g, b).getRGB());
}
}
return(img.getBitmap());
}
public virtual void fillFilteredImage(int i, int j, int[][] Nmatrix)
{
int xx = 0;
int yy = 0;
for (int x = i * N_Renamed; x < i * N_Renamed + N_Renamed; x++)
{
for (int y = j * N_Renamed; y < j * N_Renamed + N_Renamed; y++)
{
int alpha = (new Color(originalImage.getRGB(x, y))).Alpha;
int color = Nmatrix[xx][yy];
int rgb = ImageUtilities.colorToRGB(alpha, color, color, color);
yy++;
filteredImage.setRGB(x, y, rgb);
}
xx++;
yy = 0;
}
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
int[] histogram = imageHistogram(originalImage);
int[] histogramCumulative = new int[histogram.Length];
histogramCumulative[0] = histogram[0];
for (int i = 1; i < histogramCumulative.Length; i++)
{
histogramCumulative[i] = histogramCumulative[i - 1] + histogram[i];
}
int G = 256;
int gray;
int alpha;
int newColor;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
gray = (new Color(originalImage.getRGB(i, j))).Red;
alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
newColor = (G - 1) * histogramCumulative[gray] / (width * height); //zaokruziti izbeci celobrojno deljenje
newColor = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
filteredImage.setRGB(i, j, newColor);
}
}
return(filteredImage);
}
public void imageEnd()
{
lock (lockObj)
{
// copy buffer
image.setRGB(0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
repaint();
// update stats
t.end();
seconds += t.seconds();
frames++;
if (seconds > 1)
{
// display average fps every second
frame.setTitle(string.Format("Sunflow v{0} - {1} fps", SunflowAPI.VERSION, frames / seconds));
frames = 0;
seconds = 0;
}
}
}
public virtual BufferedImage processImage(BufferedImage image)
{
originalImage = image;
int width = originalImage.Width;
int height = originalImage.Height;
filteredImage = new BufferedImage(width, height, originalImage.Type);
OtsuBinarizeFilter obf = new OtsuBinarizeFilter();
BufferedImage tempImage = obf.processImage(originalImage);
int gray;
int alpha;
int discreteColor;
int newColor;
int white = 255;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
gray = (new Color(originalImage.getRGB(i, j))).Red;
alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
discreteColor = (new Color(tempImage.getRGB(i, j))).Red;
if (discreteColor == white)
{
newColor = gray;
}
else
{
newColor = white;
}
newColor = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
filteredImage.setRGB(i, j, newColor);
}
}
return(filteredImage);
}
public virtual BufferedImage getUnsharpMask(BufferedImage originalImage, BufferedImage bluredImage)
{
int width = originalImage.Width;
int height = originalImage.Height;
BufferedImage unsharpMask = new BufferedImage(width, height, originalImage.Type);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
int originalColor = (new Color(originalImage.getRGB(i, j))).Red;
int blurColor = (new Color(bluredImage.getRGB(i, j))).Red;
int alpha = (new Color(originalImage.getRGB(i, j))).Alpha;
int newColor = originalColor - blurColor;
int rgb = ImageUtilities.colorToRGB(alpha, newColor, newColor, newColor);
unsharpMask.setRGB(i, j, rgb);
}
}
return(unsharpMask);
}
///
/// <summary>
/// Inverts the image colors from negative to positive
/// </summary>
/// <returns> the image with inverted colors </returns>
public static BufferedImage invertImage(string imageName)
{
// read the image file
BufferedImage inputFile = null;
try
{
inputFile = ImageIO.read(new File(imageName));
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
// go through image pixels and reverse their color
for (int x = 0; x < inputFile.Width; x++)
{
for (int y = 0; y < inputFile.Height; y++)
{
int rgba = inputFile.getRGB(x, y);
Color col = new Color(rgba, true);
col = new Color(255 - col.Red, 255 - col.Green, 255 - col.Blue);
inputFile.setRGB(x, y, col.RGB);
}
}
//write the image to a file blackandwhite.png
try
{
File outputFile = new File("blackandwhite.png");
ImageIO.write(inputFile, "png", outputFile);
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
return(inputFile);
}
private static void MPIWorker()
{
ArrayList <ImageIcon> imageChunksIcon = Communicator.world.Receive <ArrayList <ImageIcon> >(0, 0);
int mask = Communicator.world.Receive <int>(0, 0);
ArrayList <BufferedImage> imageChunks = new ArrayList <BufferedImage>();
foreach (ImageIcon image in imageChunksIcon)
{
imageChunks.Add(convertToBufferedImage(image.getImage()));
}
List <BufferedImage> results = new List <BufferedImage>(20);
int k = 0;
foreach (BufferedImage imageChunk in imageChunks)
{
BufferedImage colorImage = new BufferedImage(imageChunk.getWidth(),
imageChunk.getHeight(), imageChunk.getType());
for (int x = 0; x < imageChunk.getWidth(); x++)
{
for (int y = 0; y < imageChunk.getHeight(); y++)
{
int pixel = imageChunk.getRGB(x, y) & mask;
colorImage.setRGB(x, y, pixel);
}
}
results.Add(colorImage);
}
ArrayList <ImageIcon> resultsIcons = new ArrayList <ImageIcon>(20);
for (int i = 0; i < results.Count; i++)
{
resultsIcons.Add(new ImageIcon(results[i]));
}
Communicator.world.Send(resultsIcons, 0, 0);
}
private void displayWeight(List <double?> currentKernel)
{
JFrame frame = new JFrame("Weight Visualiser: ");
frame.setSize(400, 400);
JLabel label = new JLabel();
Dimension d = new Dimension(kernel.Width * RATIO, kernel.Height * RATIO);
label.Size = d;
label.PreferredSize = d;
frame.ContentPane.add(label, BorderLayout.CENTER);
frame.pack();
frame.Visible = true;
BufferedImage image = new BufferedImage(kernel.Width, kernel.Height, BufferedImage.TYPE_BYTE_GRAY);
int[] rgb = convertWeightToRGB(currentKernel);
image.setRGB(0, 0, kernel.Width, kernel.Height, rgb, 0, kernel.Width);
label.Icon = new ImageIcon(image.getScaledInstance(kernel.Width * RATIO, kernel.Height * RATIO, Image.SCALE_SMOOTH));
}