public static bool ToYCbCr(ref GlobalObjects GObjects)
{
if (GObjects.MainPicture == null)
{
return(false);
}
GObjects.Chanel1 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel2 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel3 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
for (int i = 0; i < GObjects.MainPicture.Height; i++)
{
for (int j = 0; j < GObjects.MainPicture.Width; j++)
{
int R = GObjects.MainPicture.GetPixel(j, i).R;
int G = GObjects.MainPicture.GetPixel(j, i).G;
int B = GObjects.MainPicture.GetPixel(j, i).B;
int YColor = Math.Min(255, Math.Max(0, Convert.ToInt32(0.299 * R + 0.587 * G + 0.114 * B)));
int CbColor = Math.Min(255, Math.Max(0, Convert.ToInt32(128 - 0.169 * R - 0.331 * G + 0.5 * B)));
int CrColor = Math.Min(255, Math.Max(0, Convert.ToInt32(128 + 0.5 * R - 0.419 * G - 0.081 * B)));
GObjects.Chanel1.SetPixel(j, i, Color.FromArgb(YColor, YColor, YColor));
GObjects.Chanel2.SetPixel(j, i, Color.FromArgb(127, 255 - CbColor, CbColor));
GObjects.Chanel3.SetPixel(j, i, Color.FromArgb(CrColor, 255 - CrColor, 127));
}
}
return(true);
}
public static bool AddImage(ref GlobalObjects GObjects, int width, int height, int BigWidth, int BigHeight)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Image Files(*.BMP; *.JPG; *.PNG; *.GIF)| *.BMP; *.JPG; *.PNG; *.GIF";
openFileDialog.Title = "Open an Image File";
openFileDialog.Multiselect = false;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
GObjects.MainPicture = new DirectBitmap(width, height);
Bitmap temp = new Bitmap(Image.FromFile(openFileDialog.FileName), width, height);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
GObjects.MainPicture.SetPixel(j, i, temp.GetPixel(j, i));
}
}
temp = new Bitmap(Image.FromFile(openFileDialog.FileName), BigWidth, BigHeight);
GObjects.MainPictureOnView = new DirectBitmap(BigWidth, BigHeight);
for (int i = 0; i < BigHeight; i++)
{
for (int j = 0; j < BigWidth; j++)
{
GObjects.MainPictureOnView.SetPixel(j, i, temp.GetPixel(j, i));
}
}
temp.Dispose();
return(true);
}
return(false);
}
public Form1()
{
GObjects = new GlobalObjects();
InitializeComponent();
GObjects.finished = true;
SeparationOption_Combo.SelectedIndex = 0;
Illuminant_Combo.Items.AddRange(GObjects.IlluminnatsNames);
ColorSpace_Combo.Items.AddRange(GObjects.ColorSpaceNames);
ColorSpace_Combo.SelectedIndex = 0;
GObjects.sRGB2XYZs = ImageControl.TransformationMatrix(GObjects.ColorSpaceValues[0], GObjects.IlluminantsValues[5]);
GObjects.XYZ2sRGB = MatrixCalculations.MatrixInverse(GObjects.sRGB2XYZs);
//spytac o LAB
}
public static bool ToHSV(ref GlobalObjects GObjects)
{
if (GObjects.MainPicture == null)
{
return(false);
}
GObjects.Chanel1 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel2 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel3 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
for (int i = 0; i < GObjects.MainPicture.Height; i++)
{
for (int j = 0; j < GObjects.MainPicture.Width; j++)
{
double R = GObjects.MainPicture.GetPixel(j, i).R / 255.0;
double G = GObjects.MainPicture.GetPixel(j, i).G / 255.0;
double B = GObjects.MainPicture.GetPixel(j, i).B / 255.0;
double MinRGB = Math.Min(R, Math.Min(G, B));
double MaxRGB = Math.Max(R, Math.Max(G, B));
double H = CalculateH(R, G, B, MaxRGB, MinRGB);
double S = 0;
if (MaxRGB != 0)
{
S = (MaxRGB - MinRGB) / MaxRGB;
}
double V = MaxRGB;
int iH = Convert.ToInt32(255 * H / 360);
int iS = Convert.ToInt32(255 * S);
int iV = Convert.ToInt32(255 * V);
GObjects.Chanel1.SetPixel(j, i, Color.FromArgb(iH, iH, iH));
GObjects.Chanel2.SetPixel(j, i, Color.FromArgb(iS, iS, iS));
GObjects.Chanel3.SetPixel(j, i, Color.FromArgb(iV, iV, iV));
}
}
return(true);
}
public static bool ToLAB(ref GlobalObjects GObjects, ColorSpace colorSpace, doublePoint whitePoint)
{
if (GObjects.MainPicture == null)
{
return(false);
}
GObjects.Chanel1 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel2 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
GObjects.Chanel3 = new DirectBitmap(GObjects.MainPicture.Width, GObjects.MainPicture.Height);
double[][] matrix = TransformationMatrix(colorSpace, whitePoint);
double[][] WPvector = new double[][] { new double[] { whitePoint.X / whitePoint.Y }, new double[] { 1 }, new double[] { (1 - whitePoint.X - whitePoint.Y) / whitePoint.Y } };
for (int i = 0; i < GObjects.MainPicture.Height; i++)
{
for (int j = 0; j < GObjects.MainPicture.Width; j++)
{
double R = Math.Pow(GObjects.MainPicture.GetPixel(j, i).R / 255.0, colorSpace.Gamma);
double G = Math.Pow(GObjects.MainPicture.GetPixel(j, i).G / 255.0, colorSpace.Gamma);
double B = Math.Pow(GObjects.MainPicture.GetPixel(j, i).B / 255.0, colorSpace.Gamma);
double[][] RGBvector = new double[][] { new double[] { R }, new double[] { G }, new double[] { B } };
double[][] XYZvector = MatrixCalculations.MatrixProduct(matrix, RGBvector);
var Values = VectorFunction(XYZvector[0][0] / WPvector[0][0], XYZvector[1][0] / WPvector[1][0], XYZvector[2][0] / WPvector[2][0]);
int Lvalue = Convert.ToInt32(116 * Values.fy - 16);
int Avalue = Convert.ToInt32(500 * (Values.fx - Values.fy));
int Bvalue = Convert.ToInt32(200 * (Values.fy - Values.fz));
GObjects.Chanel1.SetPixel(j, i, Color.FromArgb(Math.Max(Math.Min(255, Lvalue), 0), Math.Max(Math.Min(255, Lvalue), 0), Math.Max(Math.Min(255, Lvalue), 0)));
GObjects.Chanel2.SetPixel(j, i, Color.FromArgb(Math.Max(0, Math.Min(255, 127 + Avalue)), Math.Max(0, Math.Min(255, 127 - Avalue)), 127));
GObjects.Chanel3.SetPixel(j, i, Color.FromArgb(Math.Max(0, Math.Min(255, 127 + Bvalue)), 127, Math.Max(0, Math.Min(255, 127 - Bvalue))));
}
}
return(true);
}
public static void CreateBase(ref GlobalObjects GObjects, int width, int height, int BigWidth, int BigHeight)
{
GObjects.MainPicture = Createtemp(width, height);
GObjects.MainPictureOnView = Createtemp(BigWidth, BigHeight);
}
