public unsafe static void miniaturaHSI(Bitmap src, Bitmap h, Bitmap s, Bitmap i)
{
int W = src.Width;
int H = src.Height;
BitmapData bmpDataSrc = src.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
BitmapData bmpDataH = h.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData bmpDataS = s.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData bmpDataI = i.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int padding = bmpDataSrc.Stride - (W * 3);
int r, g, b;
byte * psrc = (byte *)bmpDataSrc.Scan0.ToPointer();
byte * ph = (byte *)bmpDataH.Scan0.ToPointer();
byte * ps = (byte *)bmpDataS.Scan0.ToPointer();
byte * pi = (byte *)bmpDataI.Scan0.ToPointer();
double v;
for (int y = 0; y < H; y++)
{
for (int x = 0; x < W; x++)
{
b = *(psrc++);
g = *(psrc++);
r = *(psrc++);
v = RgbToHsi.matiz(r, g, b);
*(ph++) = (byte)v;
*(ph++) = (byte)v;
*(ph++) = (byte)v;
v = RgbToHsi.saturacao(r, g, b);
*(ps++) = (byte)v;
*(ps++) = (byte)v;
*(ps++) = (byte)v;
v = RgbToHsi.intensidade(r, g, b);
*(pi++) = (byte)v;
*(pi++) = (byte)v;
*(pi++) = (byte)v;
}
psrc += padding;
ph += padding;
ps += padding;
pi += padding;
}
src.UnlockBits(bmpDataSrc);
h.UnlockBits(bmpDataH);
s.UnlockBits(bmpDataS);
i.UnlockBits(bmpDataI);
}
public unsafe static string getInfo(Bitmap img, int X, int Y)
{
int W = img.Width;
int H = img.Height;
BitmapData bmpDataImg = img.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
int padding = bmpDataImg.Stride - (W * 3);
byte * pos = (byte *)bmpDataImg.Scan0.ToPointer();
pos = getPos(pos, X, Y, W, padding);
int b = *(pos++);
int g = *(pos++);
int r = *(pos++);
img.UnlockBits(bmpDataImg);
//RGB
string info = "RGB[";
info += r.ToString("D" + 3) + " , ";
info += g.ToString("D" + 3) + " , ";
info += b.ToString("D" + 3) + "] ";
//CMY
info += "CMY[";
info += (255 - r).ToString("D" + 3) + " , ";
info += (255 - g).ToString("D" + 3) + " , ";
info += (255 - b).ToString("D" + 3) + "] ";
//HSI
info += "HSI[";
info += (int)RgbToHsi.matiz(r, g, b) + " , ";
info += (int)RgbToHsi.saturacao(r, g, b) + " , ";
info += (int)RgbToHsi.intensidade(r, g, b) + "] ";
return(info);
}