private void hotpixelDenoise(Color blockColor, Color nonBlockColor,
int minTolerance, ref int changedPxCt)
{
unsafe
{
mBMPD = mBMPScreen.LockBits(
new Rectangle(0, 0, mBMPScreen.Width, mBMPScreen.Height),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
byte *mpCursor = (byte *)mBMPD.Scan0;
for (int y = 0; y < Kernel.PIXLINECOUNT; y++)
{
//debug
for (int x = 0; x < Kernel.PIXLINELEN; x++)
{
Color curPixelColor = cppGetPxColor(x, y);
//if is a target block and has not been checked
if (curPixelColor.ToArgb() == blockColor.ToArgb() &&
!mMapCheckedPixels.ContainsKey(NoiseProcessor.GetKey(x, y)))
{
//to find how large the block is
mNP.DoBlockStatistics(x, y, blockColor);
int[] keys = mNP.mMapCurArea.Keys.ToArray();
for (int i = 0; i < keys.Length; i++)
{
//keep the block in the total
if (mNP.mMapCurArea.Count >= minTolerance)
{
mMapCheckedPixels.Add(keys[i], mNP.mMapCurArea[keys[i]]);
}
else //remove from bitmap
{
NPPoint point = mNP.mMapCurArea[keys[i]];
cppSetPxColor(nonBlockColor, point.x, point.y);
//bmp.SetPixel(point.x, point.y, nonBlockColor);
changedPxCt--;
}
}
mNP.ClearBlockInfo();
}
}
}
mMapCheckedPixels.Clear();
mBMPScreen.UnlockBits(mBMPD);
}
}
public Kernel(FrameForm form)
{
mForm = form;
mScreen = mForm.GetPicBox();
mDataBufferM = new byte[DATALEN];
mDataBufferA = new byte[DATALEN];
mDataBufferA2 = new byte[DATALEN];
mBMPScreen = new Bitmap(640, 480, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
mColorPriamry = Color.FromArgb(238, 30, 255);
mColorSecondary = Color.FromArgb(56, 47, 238);
mColorDiff = Color.FromArgb(255, 216, 0);
mScreen.Image = mBMPScreen;
mNP = new NoiseProcessor(this);
mMapCheckedPixels = new Dictionary <int, NPPoint>();
}
public decimal Compare()
{
long lineByteCount = PIXLINELEN * 2;
int userPxCt = 0, changedPxCt = 0;
//Stopwatch sw = new Stopwatch();
//sw.Start();
unsafe
{
mBMPD = mBMPScreen.LockBits(
new Rectangle(0, 0, mBMPScreen.Width, mBMPScreen.Height),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
mpCursor = (byte *)mBMPD.Scan0;
for (int i = 0; i < PIXLINECOUNT; i++)
{
int j2;
short pxM, pxA, pxA2;
int baseOff = i * (int)lineByteCount;
for (int j = 0; j < PIXLINELEN; j++)
{
j2 = j * 2;
pxM = BitConverter.ToInt16(mDataBufferM, (int)(j2 + baseOff));
pxA = BitConverter.ToInt16(mDataBufferA, (int)(j2 + baseOff));
pxA2 = BitConverter.ToInt16(mDataBufferA2, (int)(j2 + baseOff));
if (pxM != -1)
{
if (NoiseProcessor.ValueCompare(pxA, pxM, pxA2, 4))//diff
{
//gold
cppSetPxColor(mColorDiff, j, i);
//*mpCursor = 0;
//mpCursor++;
//*mpCursor = 216;
//mpCursor++;
//*mpCursor = 255;
//mpCursor++;
//mBMPScreen.SetPixel(j, i, mColorDiff);
changedPxCt++;
}
else//primary
{
//purple
cppSetPxColor(mColorPriamry, j, i);
//*mpCursor = 255;
//mpCursor++;
//*mpCursor = 30;
//mpCursor++;
//*mpCursor = 238;
//mpCursor++;
//mBMPScreen.SetPixel(j, i, mColorPriamry);
}
userPxCt++;
}
else if (pxA != -1)//secondary
{
//blue
cppSetPxColor(mColorSecondary, j, i);
//*mpCursor = 238;
//mpCursor++;
//*mpCursor = 47;
//mpCursor++;
//*mpCursor = 56;
//mpCursor++;
//mBMPScreen.SetPixel(j, i, mColorSecondary);
}
else//black
{
cppSetPxColor(Color.Black, j, i);
//*mpCursor = 0;
//mpCursor++;
//*mpCursor = 0;
//mpCursor++;
//*mpCursor = 0;
//mpCursor++;
//mBMPScreen.SetPixel(j, i, Color.Black);
}
}
mpCursor += mBMPD.Stride - PIXLINELEN3;
}
mBMPScreen.UnlockBits(mBMPD);
}
hotpixelDenoise(mColorDiff, mColorPriamry, 22, ref changedPxCt);
//sw.Stop();
//Console.WriteLine(sw.ElapsedMilliseconds);
if (userPxCt != 0)
{
return((decimal)changedPxCt / (decimal)userPxCt);
}
else
{
return(decimal.Zero);
}
}
