public CImage(CImage inp) // copy-constructor
{
this.width = inp.width;
this.height = inp.height;
this.N_Bits = inp.N_Bits;
this.Grid = new byte[width * height * (N_Bits / 8)];
for (int i = 0; i < width * height * (N_Bits / 8); i++)
{
Grid[i] = inp.Grid[i];
}
}
private void button2_Click(object sender, EventArgs e) // Restore
{
int nBits = LiCod.nBits;
int width = LiCod.width;
int height = LiCod.height;
CImage RestoreIm = new CImage(width, height, nBits);
CImage Mask = new CImage(width, height, 8);
LiCod.Restore(ref RestoreIm, ref Mask, this);
RestoreIm.Smooth(ref Mask, this);
RestoreBMP = new Bitmap(width, height, PixelFormat.Format24bppRgb);
GridToBitmapNew(RestoreBMP, RestoreIm);
progressBar1.Visible = false;
pictureBox1.Image = RestoreBMP;
button2.Visible = false;
label2.Visible = true;
} //******************************** end Restore ********************************
} //****************************** end Open file **************************************
public void GridToBitmapNew(Bitmap bmp, CImage Image)
{
int nbyteI = Image.N_Bits / 8;
if (bmp.PixelFormat != PixelFormat.Format24bppRgb)
{
MessageBox.Show("GridToBitmapNew: Inappropriate pixel format=" + bmp.PixelFormat);
return;
}
int jump, Len = bmp.Height, nStep = 30;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (int y = 0; y < bmp.Height; y++)
{
if ((y % jump) == jump - 1)
{
progressBar1.PerformStep();
}
for (int x = 0; x < bmp.Width; x++)
{
if (nbyteI == 3)
{
bmp.SetPixel(x, y, Color.FromArgb(Image.Grid[nbyteI * (x + bmp.Width * y) + 2],
Image.Grid[nbyteI * (x + bmp.Width * y) + 1], Image.Grid[nbyteI * (x + bmp.Width * y) + 0]));
}
else
{
bmp.SetPixel(x, y, Color.FromArgb(Image.Grid[x + bmp.Width * y],
Image.Grid[x + bmp.Width * y], Image.Grid[x + bmp.Width * y]));
}
}
}
progressBar1.Visible = false;
} //****************************** end GridToBitmapNew ****************************************
public int AverageSmall(CImage Inp)
// Filters the image "Inp" with the weights "Weight" in a 3x3 window and saves the results
// in "this.Grid".
{
N_Bits = Inp.N_Bits; width = Inp.width; height = Inp.height;
int[] Weight = { 1, 2, 1, 2, 4, 2, 1, 2, 1 };
int SumWeight = 0, Sum = 0;
for (int y = 0; y < height; y++) //============================================================================
{
for (int x = 0; x < width; x++) //========================================================================
{
if (Inp.N_Bits == 8) //----------------------------------------------------------------------
{
Sum = 0; SumWeight = 0;
for (int j = -1; j < 2; j++)
{
for (int i = -1; i < 2; i++)
{
int xx = x + i; int yy = y + j;
if (xx >= 0 && xx < width && yy >= 0 && yy < height)
{
Sum += Weight[i + 1 + 3 * (j + 1)] * Inp.Grid[xx + width * yy];
SumWeight += Weight[i + 1 + 3 * (j + 1)];
if (SumWeight <= 0)
{
return(-1);
}
}
}
}
Grid[x + width * y] = (byte)((Sum + SumWeight / 2) / SumWeight);
} //-------------------------------------- end if (Inp.N_Bits... --------------------------
else //Inp.N_Bits==24
{
int[] SumC = new int[3];
for (int c = 0; c < 3; c++)
{
SumC[c] = 0;
}
for (int j = -1; j < 2; j++)
{
for (int i = -1; i < 2; i++)
{
int xx = x + i; int yy = y + j;
if (xx >= 0 && xx < width && yy >= 0 && yy < height)
{
for (int c = 0; c < 3; c++)
{
SumC[c] += Weight[i + 1 + 3 * (j + 1)] * Inp.Grid[3 * (xx + width * yy) + c];
}
SumWeight += Weight[i + 1 + 3 * (j + 1)];
if (SumWeight <= 0)
{
return(-1);
}
}
}
}
for (int c = 0; c < 3; c++)
{
Grid[3 * (x + width * y) + c] = (byte)((SumC[c] + SumWeight / 2) / SumWeight);
}
} //-------------------------------------- end if (Inp.N_Bits... --------------------------
} //======================================== end for (x... ====================================
} //========================================== end for (y... ======================================
return(1);
} //******************************************** end AverageSmall *************************************
} //******************************************** end AverageSmall *************************************
public int Smooth(ref CImage Mask, Form1 fm1)
// Calculates the average colors between "gvbeg" and "gvend" and saves them in the image "this".
// This is a digital automaton with the states S=1 at Mask>0 and S=2 at Mask==0, but S is not used.
// The variable "mpre" has the value of "Mask" in the previouse pixel.
{
int c, cnt, LabMask = 250, msk, mpre, x, xx, xbeg, xend, ybeg, yend, y, yy;
int[] Col = new int[3], ColBeg = new int[3], ColEnd = new int[3];
int nbyte;
if (N_Bits == 24)
{
nbyte = 3;
}
else
{
nbyte = 1;
}
// Smoothing the borders:
// Border at y=0:
y = 0; cnt = 0; xbeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[c];
}
int jump, Len = width, nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (x = 0; x < width; x++) //==========================================================
{
if ((x % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; xbeg = x - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x - 1 + width * y) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //----------------------------------------
{
cnt++; xend = x;
for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (xx = xbeg + 1; xx < xend; xx++) //==========================================
{
for (c = 0; c < nbyte; c++)
{
Grid[nbyte * (xx + width * y) + c] = (byte)((ColBeg[c] * (xend - xx) + ColEnd[c] * (xx - xbeg)) / cnt);
}
Mask.Grid[xx + width * y] = (byte)LabMask;
} //============== end for (xx... ========================================
}
mpre = msk;
} //=============== end for (x=0; ... ===========================================
// Border at y=height-1:
y = height - 1; cnt = 0; xbeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * width * y + c];
}
Len = width;
nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (x = 0; x < width; x++) //==========================================================
{
if ((x % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; xbeg = x - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x - 1 + width * y) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //----------------------------------------
{
cnt++; xend = x;
for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (xx = xbeg + 1; xx < xend; xx++)
{
for (c = 0; c < nbyte; c++)
{
Grid[nbyte * (xx + width * y) + c] = (byte)((ColBeg[c] * (xend - xx) + ColEnd[c] * (xx - xbeg)) / cnt);
}
Mask.Grid[xx + width * y] = (byte)LabMask;
}
}
mpre = msk;
} //=============== end for (x=0; ... ===========================================
// Border at x=0
x = 0; cnt = 0; ybeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * 0) + c];
}
Len = height;
nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (y = 0; y < height; y++) //=================================================
{
if ((y % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; ybeg = y - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * (y - 1)) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //----------------------------------------
{
cnt++; yend = y;
for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (yy = ybeg + 1; yy < yend; yy++)
{
for (c = 0; c < nbyte; c++)
{
Col[c] = (ColBeg[c] * (yend - yy) + ColEnd[c] * (yy - ybeg)) / cnt;
Grid[nbyte * (x + width * yy) + c] = (byte)Col[c];
}
Mask.Grid[x + width * yy] = (byte)LabMask;
}
}
mpre = msk;
} //=============== end for (y=0; ... ==================================
// Border at x=width-1
x = width - 1; cnt = 0; ybeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * 0) + c];
}
Len = height;
nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (y = 0; y < height; y++) //=================================================
{
if ((y % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; ybeg = y - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * (y - 1)) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //----------------------------------------
{
cnt++; yend = y;
for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (yy = ybeg + 1; yy < yend; yy++)
{
for (c = 0; c < nbyte; c++)
{
Col[c] = (ColBeg[c] * (yend - yy) + ColEnd[c] * (yy - ybeg)) / cnt;
Grid[nbyte * (x + width * yy) + c] = (byte)Col[c];
}
Mask.Grid[x + width * yy] = (byte)LabMask;
}
}
mpre = msk;
} //=============== end for (y=0; ... ==================================
// End smoothin border; Smooth on "x":
Len = height;
nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (y = 0; y < height; y++) //========================================================
{
if ((y % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
cnt = 0; xbeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * width * y + c];
}
for (x = 0; x < width; x++) //=====================================================
{
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; xbeg = x - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x - 1 + width * y) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //----------------------------------------
{
cnt++; xend = x;
for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (xx = xbeg + 1; xx < xend; xx++)
{
for (c = 0; c < nbyte; c++)
{
Grid[nbyte * (xx + width * y) + c] = (byte)((ColBeg[c] * (xend - xx) + ColEnd[c] * (xx - xbeg)) / cnt);
}
}
}
mpre = msk;
} //=============== end for (x=0; ... ========================================
} //================= end for (y=0; ... ==========================================
// Smooth on "y":
Len = width;
nStep = 4;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (x = 0; x < width; x++) //=====================================================
{
if ((x % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
cnt = 0; ybeg = 0; mpre = 200;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * 0) + c];
}
for (y = 0; y < height; y++) //=================================================
{
msk = Mask.Grid[x + width * y];
if (mpre > 0 && msk == 0) //----------------------------------------
{
cnt = 1; ybeg = y - 1;
for (c = 0; c < nbyte; c++)
{
ColBeg[c] = Grid[nbyte * (x + width * (y - 1)) + c];
}
}
if (mpre == 0 && msk == 0) //----------------------------------------
{
cnt++;
}
if (mpre == 0 && msk > 0) //---------------------------------------------------------------
{
cnt++; yend = y; for (c = 0; c < nbyte; c++)
{
ColEnd[c] = Grid[nbyte * (x + width * y) + c];
}
for (yy = ybeg + 1; yy < yend; yy++)
{
for (c = 0; c < nbyte; c++)
{
Col[c] = (Grid[nbyte * (x + width * yy) + c] + (ColBeg[c] * (yend - yy) + ColEnd[c] * (yy - ybeg)) / cnt) / 2;
Grid[nbyte * (x + width * yy) + c] = (byte)Col[c];
}
}
}
mpre = msk;
} //=============== end for (y=0; ... ===================================================
} //================= end for (x=0; ... =====================================================
// Solving the Laplace's equation:
int i;
double fgv, omega = 1.4 / 4.0, dMaxLap = 0.0, dTH = 1.0;
double[] dGrid = new double[width * height * nbyte];
double[] Lap = new double[3];
for (i = 0; i < width * height * nbyte; i++)
{
dGrid[i] = (double)Grid[i];
}
Len = 50;
nStep = 6;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (int iter = 0; iter < 50; iter++) //-----------------------------------------------------------------------------
{
if ((iter % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
for (y = 1; y < height - 1; y++)
{
for (x = 1; x < width - 1; x++)
{
if (Mask.Grid[x + width * y] == 0 && Math.Abs((x - y)) % 2 == 0)
{
for (c = 0; c < nbyte; c++)
{
Lap[c] = 0.0;
Lap[c] += dGrid[nbyte * (x + width * (y - 1)) + c];
Lap[c] += dGrid[nbyte * (x - 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + width * (y + 1)) + c];
Lap[c] -= 4.0 * dGrid[nbyte * (x + width * y) + c];
fgv = dGrid[nbyte * (x + width * y) + c] + omega * Lap[c];
if (fgv > 255.0)
{
fgv = 255.0;
}
if (fgv < 0.0)
{
fgv = 0;
}
dGrid[nbyte * (x + width * y) + c] = fgv;
}
}
}
}
// Smooth at Math.Abs((x - y)) % 2 == 1
for (y = 1; y < height - 1; y++)
{
for (x = 1; x < width - 1; x++)
{
if (Mask.Grid[x + width * y] == 0 && Math.Abs((x - y)) % 2 == 1)
{
for (c = 0; c < nbyte; c++)
{
Lap[c] = 0.0;
Lap[c] += dGrid[nbyte * (x + width * (y - 1)) + c];
Lap[c] += dGrid[nbyte * (x - 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + width * (y + 1)) + c];
Lap[c] -= 4.0 * dGrid[nbyte * (x + width * y) + c];
fgv = dGrid[nbyte * (x + width * y) + c] + omega * Lap[c];
if (fgv > 255.0)
{
fgv = 255.0;
}
if (fgv < 0.0)
{
fgv = 0;
}
dGrid[nbyte * (x + width * y) + c] = fgv; //(int)(fgv);
}
}
}
}
dMaxLap = 0.0; // Calculating MaxLap:
for (y = 1; y < height - 1; y++)
{
for (x = 1; x < width - 1; x++) //===================================
{
if (Mask.Grid[x + width * y] == 0) //----------------------------
{
for (c = 0; c < nbyte; c++) //==========================
{
Lap[c] = 0.0;
Lap[c] += dGrid[nbyte * (x + width * (y - 1)) + c];
Lap[c] += dGrid[nbyte * (x - 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + 1 + width * y) + c];
Lap[c] += dGrid[nbyte * (x + width * (y + 1)) + c];
Lap[c] -= 4.0 * dGrid[nbyte * (x + width * y) + c];
if (Math.Abs(Lap[c]) > dMaxLap)
{
dMaxLap = Math.Abs(Lap[c]);
}
} //================= end for (c=0; =================
} //------------------- end if (Mask... -----------------
} //===================== end for (x=1; ... =================
}
int ii;
for (ii = 0; ii < width * height * nbyte; ii++)
{
Grid[ii] = (byte)dGrid[ii];
}
if (dMaxLap < dTH)
{
break;
}
} //------------------------------------ end for (iter... ------------------------------------------
return(0);
} //************************************* end Smooth ***********************************************
} //***************************** end constructor **************************************
public int Restore(ref CImage Image, ref CImage Mask, Form1 fm1)
{
int dir, nbyte, x, y;
byte LabMask = 250;
if (nBits == 24)
{
nbyte = 3;
}
else
{
nbyte = 1;
}
fm1.progressBar1.Value = 0;
fm1.progressBar1.Visible = true;
for (int i = 0; i < width * height * (nBits / 8); i++)
{
Image.Grid[i] = 0;
}
for (int i = 0; i < width * height; i++)
{
Mask.Grid[i] = 0;
}
if (nBits == 24)
{
for (int c = 0; c < nbyte; c++)
{
Image.Grid[c] = (byte)((Palette[Corner[0]] >> 8 * (2 - c)) & 0XFF); // left below
Image.Grid[nbyte * (width - 1) + c] = (byte)((Palette[Corner[1]] >> 8 * (2 - c)) & 0XFF); // right below
Image.Grid[nbyte * width * height - nbyte + c] = (byte)((Palette[Corner[2]] >> 8 * (2 - c)) & 0XFF); // right on top
Image.Grid[nbyte * width * (height - 1) + c] = (byte)((Palette[Corner[3]] >> 8 * (2 - c)) & 0XFF); // left on top
}
}
else
{
Image.Grid[0] = Corner[0];
Image.Grid[width - 1] = Corner[1];
Image.Grid[width * height - 1] = Corner[2];
Image.Grid[0 + width * (height - 1)] = Corner[3];
}
Mask.Grid[0] = Mask.Grid[width - 1] = Mask.Grid[width * height - 1] = Mask.Grid[width * (height - 1)] = LabMask;
// Short lines:
fm1.progressBar1.Maximum = 100;
fm1.progressBar1.Step = 1;
fm1.progressBar1.Value = 0;
int jump, Len = nLine1, nStep = 20;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (int il = 0; il < nLine1; il++) //=====================================================
{
if ((il % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
dir = ((Line1[il].x >> 14) & 2) | (Line1[il].y >> 15);
x = Line1[il].x & 0X7FFF; y = Line1[il].y & 0X7FFF;
if (nBits == 24)
{
switch (dir)
{
case 0: if (y > 0)
{
for (int c = 0; c < nbyte; c++)
{
int Index = Line1[il].Ind1;
byte col = (byte)(Palette[Index] >> 8 * c);
Image.Grid[nbyte * (x + width * y) + 2 - c] = col;
Image.Grid[nbyte * (x + width * (y - 1)) + 2 - c] = (byte)((Palette[Line1[il].Ind0] >> 8 * c) & 0XFF);
}
Mask.Grid[x + width * y] = Mask.Grid[x + width * (y - 1)] = LabMask;
}
break;
case 1: for (int c = 0; c < nbyte; c++)
{
Image.Grid[nbyte * (x + width * y) + 2 - c] = (byte)((Palette[Line1[il].Ind0] >> 8 * c) & 0XFF);
Image.Grid[nbyte * (x - 1 + width * y) + 2 - c] = (byte)((Palette[Line1[il].Ind1] >> 8 * c) & 0XFF);
}
Mask.Grid[x + width * y] = Mask.Grid[x - 1 + width * y] = LabMask;
break;
case 2: for (int c = 0; c < nbyte; c++)
{
Image.Grid[nbyte * (x - 1 + width * y) + 2 - c] = (byte)((Palette[Line1[il].Ind0] >> 8 * c) & 0XFF);
Image.Grid[nbyte * (x - 1 + width * (y - 1)) + 2 - c] = (byte)((Palette[Line1[il].Ind1] >> 8 * c) & 0XFF);
}
Mask.Grid[x - 1 + width * y] = Mask.Grid[x - 1 + width * (y - 1)] = LabMask;
break;
case 3: for (int c = 0; c < nbyte; c++)
{
Image.Grid[nbyte * (x + width * (y - 1)) + 2 - c] = (byte)((Palette[Line1[il].Ind1] >> 8 * c) & 0XFF);
Image.Grid[nbyte * (x - 1 + width * (y - 1)) + 2 - c] = (byte)((Palette[Line1[il].Ind0] >> 8 * c) & 0XFF);
}
Mask.Grid[x + width * (y - 1)] = Mask.Grid[x - 1 + width * (y - 1)] = LabMask;
break;
} //::::::::::::: end switch ::::::::::::::::::::::::::::::::::::::::::
}
else
{
switch (dir)
{
case 0: Image.Grid[x + width * y] = Line1[il].Ind1;
Image.Grid[x + width * (y - 1)] = Line1[il].Ind0;
Mask.Grid[x + width * y] = Mask.Grid[x + width * (y - 1)] = LabMask;
break;
case 1: Image.Grid[x + width * y] = Line1[il].Ind0;
Image.Grid[x - 1 + width * y] = Line1[il].Ind1;
Mask.Grid[x + width * y] = Mask.Grid[x - 1 + width * y] = LabMask;
break;
case 2: Image.Grid[x - 1 + width * y] = Line1[il].Ind0;
Image.Grid[x - 1 + width * (y - 1)] = Line1[il].Ind1;
Mask.Grid[x - 1 + width * y] = Mask.Grid[x - 1 + width * (y - 1)] = LabMask;
break;
case 3: Image.Grid[x + width * (y - 1)] = Line1[il].Ind1;
Image.Grid[x - 1 + width * (y - 1)] = Line1[il].Ind0;
Mask.Grid[x + width * (y - 1)] = Mask.Grid[x - 1 + width * (y - 1)] = LabMask;
break;
} //::::::::::::: end switch ::::::::::::::::::::::::::::::::::::::::::
} //--------------- end if (nBits==24) ------------------------------------------
} //================= end for (il < nLine1 ==========================================
int first, last;
int[] Shift = new int[] { 0, 2, 4, 6 };
Len = nLine2;
nStep = 20;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
for (int il = 0; il < nLine2; il++) //====================================================================================================
{
if ((il % jump) == jump - 1)
{
fm1.progressBar1.PerformStep();
}
if (il == 0)
{
first = 0;
}
else
{
first = Line2[il - 1].EndByte + 1;
}
last = Line2[il].EndByte;
x = Line2[il].x;
y = Line2[il].y;
int iByte = first, iShift = 0;
iVect2 P = new iVect2(), PixelP = new iVect2(), PixelN = new iVect2(); // comb. coordinates
byte[] ColN = new byte[3], ColP = new byte[3];
byte[] ColStartN = new byte[3], ColStartP = new byte[3],
ColLastN = new byte[3], ColLastP = new byte[3]; // Colors
for (int c = 0; c < 3; c++)
{
ColN[c] = ColP[c] = ColStartN[c] = ColStartP[c] = ColLastN[c] = ColLastP[c] = 0;
}
if (nBits == 24)
{
for (int c = 0; c < nbyte; c++)
{
ColStartN[2 - c] = (byte)((Palette[Line2[il].Ind0] >> 8 * c) & 255);
ColStartP[2 - c] = (byte)((Palette[Line2[il].Ind1] >> 8 * c) & 255);
ColLastN[2 - c] = (byte)((Palette[Line2[il].Ind2] >> 8 * c) & 255);
ColLastP[2 - c] = (byte)((Palette[Line2[il].Ind3] >> 8 * c) & 255);
}
}
else
{
ColStartN[0] = Line2[il].Ind0;
ColStartP[0] = Line2[il].Ind1;
ColLastN[0] = Line2[il].Ind2;
ColLastP[0] = Line2[il].Ind3;
}
P.X = Line2[il].x; P.Y = Line2[il].y;
int nCrack = Line2[il].nCrack;
int xx, yy;
// Interpolation:
for (int iC = 0; iC < nCrack; iC++) //=======================================================
{
dir = (Byte[iByte] & (3 << Shift[iShift])) >> Shift[iShift];
switch (dir) // Standard coordinates
{
case 0: PixelP = P; PixelN = P + Step[3]; break;
case 1: PixelP = P + Step[2]; PixelN = P; break;
case 2: PixelP = P + Step[2] + Step[3]; PixelN = P + Step[2]; break;
case 3: PixelP = P + Step[3]; PixelN = P + Step[2] + Step[3]; break;
}
if (PixelP.Y < 0 || PixelN.Y < 0 || PixelP.Y > height - 1 || PixelN.Y > height - 1)
{
MessageBox.Show("Restore: Bad 'PixelP' or 'PixelN'. This means 'Byte' is bad. iByte=" +
iByte + "; dir=" + dir + "; Byte=" + Byte[iByte]);
MessageBox.Show("Restore: PixelP=(" + PixelP.X + "," + PixelP.Y + "); PixelN=(" + PixelN.X + ","
+ PixelN.Y + "); P=(" + P.X + "," + P.Y + ")");
}
for (int c = 0; c < nbyte; c++) //===================================================
{
ColN[c] = (byte)((ColLastN[c] * iC + ColStartN[c] * (nCrack - iC - 1)) / (nCrack - 1)); // Interpolation
ColP[c] = (byte)((ColLastP[c] * iC + ColStartP[c] * (nCrack - iC - 1)) / (nCrack - 1));
} //========================== end for (c... ================================
// Assigning colors to intermediate pixels of a line:
xx = PixelP.X; yy = PixelP.Y;
if (xx + width * yy > width * height - 1 || xx + width * yy < 0)
{
MessageBox.Show("Restore: Bad 'xx,yy'=" + (xx + width * yy) + "; This means 'Byte' is bad.");
}
if (xx + width * yy < width * height && xx + width * yy >= 0)
{
for (int c = 0; c < nbyte; c++)
{
Image.Grid[c + nbyte * xx + nbyte * width * yy] = ColP[c]; // Assertion
}
Mask.Grid[xx + width * yy] = LabMask;
}
xx = PixelN.X; yy = PixelN.Y;
if (xx + width * yy > width * height - 1 || xx + width * yy < 0)
{
return(-1);
}
if (xx + width * yy < width * height && xx + width * yy >= 0)
{
for (int c = 0; c < nbyte; c++)
{
Image.Grid[c + nbyte * xx + nbyte * width * yy] = ColN[c];
}
Mask.Grid[xx + width * yy] = LabMask;
}
P = P + Step[dir];
iShift++;
if (iShift == 4)
{
iShift = 0;
iByte++;
}
} //=============================== end for (iC... ==============================
} //================================= end for (il < nLine2 ===============================================
Mask.Grid[0] = Mask.Grid[width - 1] = Mask.Grid[width * height - 1] = Mask.Grid[width * (height - 1)] = LabMask;
return(1);
} //*********************** end Restore **********************************************************************
