public static bool Pixelate2(ref Bitmap bmp, int zone)
{
BmpProc32 src = new BmpProc32(bmp);
if ((zone < 2) | (zone > 30))
{
return(false);
}
int w = bmp.Width;
int h = bmp.Height;
int ir, count, sumr, sumg, sumb;
byte[,] rr = new byte[w / zone + 1, h / zone + 1];
byte[,] gg = new byte[w / zone + 1, h / zone + 1];
byte[,] bb = new byte[w / zone + 1, h / zone + 1];
int countX, countY;
byte rrr, ggg, bbb;
countY = 0;
for (int y = 0; y < h - 1; y += zone)
{
countX = 0;
for (int x = 0; x < w - 1; x += zone)
{
count = sumr = sumg = sumb = 0;
for (int iy = y; iy < y + zone; iy++)
{
for (int ix = x; ix < x + zone; ix++)
{
if ((iy > h - 1) | (ix > w - 1))
{
continue;
}
count++;
ir = src.IndexR(ix, iy);
sumr += src[ir];
sumg += src[ir - 1];
sumb += src[ir - 2];
}
}
sumr = sumr / count;
sumg = sumg / count;
sumb = sumb / count;
rr[countX, countY] = (byte)sumr;
gg[countX, countY] = (byte)sumg;
bb[countX, countY] = (byte)sumb;
rrr = (byte)sumr;
ggg = (byte)sumg;
bbb = (byte)sumb;
if ((sumr < 230) & (sumr > 15))
{
rrr = (byte)(sumr - 15);
}
if ((sumg < 230) & (sumg > 15))
{
ggg = (byte)(sumg - 15);
}
if ((sumb < 230) & (sumb > 15))
{
bbb = (byte)(sumb - 15);
}
for (int iy = y; iy < y + zone; iy++)
{
for (int ix = x; ix < x + zone; ix++)
{
if ((iy > h - 1) | (ix > w - 1))
{
continue;
}
ir = src.IndexR(ix, iy);
src[ir] = rrr;
src[ir - 1] = ggg;
src[ir - 2] = bbb;
}
}
countX++;
}
countY++;
}
src.Dispose();
countY = 0;
SolidBrush br = new SolidBrush(Color.Black);
Point[] pt = new Point[3];
Graphics g = Graphics.FromImage(bmp);
g.SmoothingMode = SmoothingMode.AntiAlias;
for (int y = 0; y < h - 1; y += zone)
{
countX = 0;
for (int x = 0; x < w - 1; x += zone)
{
rrr = rr[countX, countY]; ggg = gg[countX, countY];
bbb = bb[countX, countY];
if ((rrr < 230) & (rrr > 15))
{
rrr = (byte)(rrr + 15);
}
if ((ggg < 230) & (ggg > 15))
{
ggg = (byte)(ggg + 15);
}
if ((bbb < 230) & (bbb > 15))
{
bbb = (byte)(bbb + 15);
}
br.Color = Color.FromArgb(rrr, ggg, bbb);
pt[0].X = x; pt[0].Y = y;
pt[1].X = x + zone; pt[1].Y = y;
pt[2].X = x; pt[2].Y = y + zone;
g.FillPolygon(br, pt);
countX++;
}
countY++;
}
g.Dispose();
br.Dispose();
return(true);
}
public static bool Pixelate1(ref Bitmap bmp, int zone)
{
BmpProc32 src = new BmpProc32(bmp);
if ((zone < 2) | (zone > 30))
{
return(false);
}
int w = bmp.Width;
int h = bmp.Height;
int ir, count, sumr, sumg, sumb;
for (int y = 0; y < h; y += zone)
{
for (int x = 0; x < w; x += zone)
{
count = sumr = sumg = sumb = 0;
for (int iy = y; iy < y + zone; iy++)
{
for (int ix = x; ix < x + zone; ix++)
{
if ((iy > h - 1) | (ix > w - 1))
{
continue;
}
count++;
ir = src.IndexR(ix, iy);
sumr += src[ir];
sumg += src[ir - 1];
sumb += src[ir - 2];
}
}
sumr = sumr / count;
sumg = sumg / count;
sumb = sumb / count;
for (int iy = y; iy < y + zone; iy++)
{
for (int ix = x; ix < x + zone; ix++)
{
if ((iy > h - 1) | (ix > w - 1))
{
continue;
}
ir = src.IndexR(ix, iy);
src[ir] = (byte)sumr;
src[ir - 1] = (byte)sumg;
src[ir - 2] = (byte)sumb;
}
}
}
}
src.Dispose();
return(true);
}
