static int[] SobelPrewittConvolution(AdvancedConvolutionWindow window, FasterBitmap toCompute, int centerPositionX, int centerPositionY)
{
int[] values = new int[2];
int xComputation = 0;
int yComputation = 0;
int yIndexFromZero = 0;
for (int yIndex = centerPositionY - (window.windowDiameter / 2); yIndex < centerPositionY + (window.windowDiameter / 2) + 1; yIndex++)
{
int xIndexFromZero = 0;
for (int xIndex = centerPositionX - (window.windowDiameter / 2); xIndex < centerPositionX + (window.windowDiameter / 2) + 1; xIndex++)
{
if ((yIndex < 0) || (yIndex >= toCompute.Height) || (xIndex < 0) || (xIndex >= toCompute.Width))
{
continue;
}
else
{
xComputation = xComputation + (toCompute.GetPixel(xIndex, yIndex).B *window.horizontalValueMatrix[yIndexFromZero][xIndexFromZero]);
yComputation = yComputation + (toCompute.GetPixel(xIndex, yIndex).B *window.verticalValueMatrix[yIndexFromZero][xIndexFromZero]);
}
xIndexFromZero++;
}
yIndexFromZero++;
}
values[0] = xComputation;
values[1] = yComputation;
return(values);
}
static int[] RobertConvolution(AdvancedConvolutionWindow window, FasterBitmap toCompute, int centerPositionX, int centerPositionY)
{
int[] values = new int[2];
int xComputation = 0;
int yComputation = 0;
for (int yIndex = centerPositionY; yIndex < centerPositionY + 2; yIndex++)
{
for (int xIndex = centerPositionX; xIndex < centerPositionX + 2; xIndex++)
{
if ((yIndex < 0) || (yIndex >= toCompute.Height) || (xIndex < 0) || (xIndex >= toCompute.Width))
{
continue;
}
else
{
xComputation = xComputation + (toCompute.GetPixel(xIndex, yIndex).B *window.horizontalValueMatrix[yIndex - centerPositionY][xIndex - centerPositionX]);
yComputation = yComputation + (toCompute.GetPixel(xIndex, yIndex).B *window.verticalValueMatrix[yIndex - centerPositionY][xIndex - centerPositionX]);
}
}
}
values[0] = xComputation;
values[1] = yComputation;
return(values);
}
private FasterBitmap CreateBitmap(string imagePath) //Initialization of the Bitmap and FasterBitmap entities
{
try {
this.bitmapImage = new Bitmap(imagePath);
}
catch (FileNotFoundException) {
Console.WriteLine("File not found!");
return(null);
}
catch (ArgumentException) {
Console.WriteLine("The given argument is not a path!");
return(null);
}
FasterBitmap imageFast = new FasterBitmap(bitmapImage);
imageFast.LockBits();
return(imageFast);
}
public void ConvolutionWindowPixelsSumForColoredFilters(FasterBitmap toCompute, int centerPositionX, int centerPositionY)
{
for (int yIndex = centerPositionY - (this.windowDiameter - 1); yIndex < centerPositionY + (this.windowDiameter - 1); yIndex++)
{
for (int xIndex = centerPositionX - (this.windowDiameter - 1); xIndex < centerPositionX + (this.windowDiameter - 1); xIndex++)
{
if ((yIndex < 0) || (yIndex >= toCompute.Height) || (xIndex < 0) || (xIndex >= toCompute.Width))
{
continue;
}
else
{
this.sumColoredElements.Add(HSVColor.RGBtoHSV(toCompute.GetPixel(xIndex, yIndex)).value);
this.pixelsCounter++;
}
}
}
return;
}
static void StandardConvolution(AdvancedConvolutionWindow window, FasterBitmap toCompute, int centerPositionX, int centerPositionY)
{
for (int yIndex = centerPositionY - (window.windowDiameter / 2); yIndex < centerPositionY + (window.windowDiameter / 2) + 1; yIndex++)
{
for (int xIndex = centerPositionX - (window.windowDiameter / 2); xIndex < centerPositionX + (window.windowDiameter / 2) + 1; xIndex++)
{
if ((yIndex < 0) || (yIndex >= toCompute.Height) || (xIndex < 0) || (xIndex >= toCompute.Width))
{
continue;
}
else
{
int yValueIndex = yIndex - centerPositionY + (window.windowDiameter / 2);
int xValueIndex = xIndex - centerPositionX + (window.windowDiameter / 2);
window.sumElements.Add((toCompute.GetPixel(xIndex, yIndex).B) * (window.valueMatrix[yValueIndex][xValueIndex]));
}
}
}
return;
}
