public static void Contrast(ByteImage btm)
{
PrimitiveContrast pc = new PrimitiveContrast(30, 255, 255, 0);
for (int x = 0; x < btm.Width; x++)
{
for (int y = 0; y < btm.Height; y++)
{
btm.setPixel(x, y, pc.GetColor(btm.getPixel(x, y)));
}
}
}
public static void IrisContrast(ByteImage newBmpTbl)
{
PrimitiveContrast pc = new PrimitiveContrast(0, 255, 185, 0);
for (int x = 0; x < newBmpTbl.Width; x++)
{
for (int y = 0; y < newBmpTbl.Height; y++)
{
newBmpTbl.setPixel(x, y, pc.GetColor(newBmpTbl.getPixel(x, y)));
}
}
}
public static void GrayScale(ByteImage btm)
{
for (int x = 0; x < btm.Width; x++)
{
for (int y = 0; y < btm.Height; y++)
{
byte[] oldColour;
oldColour = btm.getPixel(x, y);
var value = (0.2 * (double)oldColour[1]) + (0.7 * (double)oldColour[2]) + (0.1 * (double)oldColour[3]);
btm.setPixel(x, y, oldColour[0], (byte)value, (byte)value, (byte)value);
}
}
}
public static void RemoveSingleNoises(ByteImage btm)
{
ByteImage tempPict = new ByteImage(btm);
int counter = 0;
for (int x = 0; x < btm.Width; x++)
{
for (int y = 0; y < btm.Height; y++)
{
var oldColour = btm.getPixel(x, y);
if (oldColour[1] == 0)
{
bool isAlone = true;
for (int x2 = -1; x2 <= 1; x2++)
{
for (int y2 = -1; y2 <= 1; y2++)
{
if (x + x2 >= 0 && x + x2 < btm.Width && y + y2 >= 0 && y + y2 < btm.Height)
{
var col = btm.Pixels[btm.getPixelIndex(x + x2, y + y2) + 1];
if (col == 0)
{
isAlone = false;
break;
}
}
}
}
if (isAlone)
{
tempPict.setPixel(x, y, 255, 0, 0, 0);
}
}
}
}
Console.WriteLine(counter + " pixels removed");
for (int x = 0; x < btm.Width; x++)
{
for (int y = 0; y < btm.Height; y++)
{
btm.setPixel(x, y, tempPict.getPixel(x, y));
}
}
}
public static void RunFullBlack(ByteImage newBmpTbl)
{
int bigCounter = 3;
while (bigCounter > 2)
{
ByteImage tempPict = new ByteImage(newBmpTbl);
bigCounter = 0;
for (int x = 0; x < newBmpTbl.Width; x++)
{
for (int y = 0; y < newBmpTbl.Height; y++)
{
int counter = 0;
for (int x2 = -1; x2 < 2; x2++)
{
for (int y2 = -1; y2 < 2; y2++)
{
if (newBmpTbl.Pixels[newBmpTbl.getPixelIndex(x, y) + 1] != 0 && x + x2 >= 0 && y + y2 >= 0 && x + x2 < newBmpTbl.Width && y + y2 < newBmpTbl.Height && newBmpTbl.Pixels[newBmpTbl.getPixelIndex(x + x2, y + y2) + 1] <= (255 / 6))
{
counter++;
}
}
}
if (counter >= 5)
{
tempPict.setPixel(x, y, 255, 0, 0, 0);
bigCounter++;
}
}
}
Console.WriteLine("Blacked " + bigCounter + " pixels.");
for (int x = 0; x < newBmpTbl.Width; x++)
{
for (int y = 0; y < newBmpTbl.Height; y++)
{
newBmpTbl.setPixel(x, y, tempPict.getPixel(x, y));
}
}
}
}