public void Initialiser(OpenFileDialog openFileDialog)
{
HSLconvertor = new HSLconvertor();
this.img = new Bitmap(openFileDialog.FileName);
pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
pictureBox1.Image = img;
this.width = img.Width;
this.height = img.Height;
RGBcolor = new RGBcolor();
RGBcolor.A = new int[width, height];
RGBcolor.R = new int[width, height];
RGBcolor.G = new int[width, height];
RGBcolor.B = new int[width, height];
}
private void button1_Click(object sender, EventArgs e) // соляризація
{
imgSolar = new Bitmap(img);
HSLconvertor.toHSL(RGBcolor, height, width);
RGBcolor rgbNew = new RGBcolor();
rgbNew = HSLconvertor.toRGB_solorized(RGBcolor.A); // new rgb color
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
imgSolar.SetPixel(x, y, Color.FromArgb(rgbNew.A[x, y], rgbNew.R[x, y], rgbNew.G[x, y], rgbNew.B[x, y]));
}
}
pictureBox2.SizeMode = PictureBoxSizeMode.Zoom;
pictureBox2.Image = imgSolar;
}
private void button4_Click(object sender, EventArgs e) // лінеаризація
{
double min = double.Parse(textBox1.Text);
double max = double.Parse(textBox2.Text);
float L_new = float.Parse(textBox3.Text);
imgLinerized = new Bitmap(img);
HSLconvertor hsl = new HSLconvertor();
hsl.toHSL(RGBcolor, img.Height, img.Width);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
if (hsl.L[i, j] > min && hsl.L[i, j] < max)
{
hsl.L[i, j] = L_new;
}
}
}
RGBcolor rgb = new RGBcolor();
rgb = hsl.toRGB(RGBcolor.A);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
imgLinerized.SetPixel(x, y, Color.FromArgb(rgb.A[x, y], rgb.R[x, y], rgb.G[x, y], rgb.B[x, y]));
}
}
pictureBox4.SizeMode = PictureBoxSizeMode.Zoom;
pictureBox4.Image = imgLinerized;
}
public HSLconvertor toHSL(RGBcolor color, int height, int width)
{
this.height = height;
this.width = width;
float[,] R = new float[width, height];
float[,] G = new float[width, height];
float[,] B = new float[width, height];
this.Cmax = new float[width, height];
this.Cmin = new float[width, height];
this.delta = new float[width, height];
this.H = new float[width, height];
this.S = new float[width, height];
this.L = new float[width, height];
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
R[x, y] = (float)color.R[x, y] / 255; // R'
G[x, y] = (float)color.G[x, y] / 255; // G'
B[x, y] = (float)color.B[x, y] / 255; // B'
this.Cmax[x, y] = (float)Math.Max(R[x, y], Math.Max(G[x, y], B[x, y]));
this.Cmin[x, y] = (float)Math.Min(R[x, y], Math.Min(G[x, y], B[x, y]));
this.delta[x, y] = (float)this.Cmax[x, y] - this.Cmin[x, y];
// hue calculation
if (this.delta[x, y] == 0)
{
this.H[x, y] = 0;
}
else
{
if (this.Cmax[x, y] == R[x, y])
{
this.H[x, y] = (G[x, y] - B[x, y] / this.delta[x, y]) % 6;
}
else if (this.Cmax[x, y] == G[x, y])
{
this.H[x, y] = ((B[x, y] - R[x, y]) / this.delta[x, y]) + 2f;
}
else if (this.Cmax[x, y] == B[x, y])
{
this.H[x, y] = ((R[x, y] - G[x, y]) / this.delta[x, y]) + 4f;
}
// convert to degrees
this.H[x, y] *= 60f;
if (this.H[x, y] < 0)
{
this.H[x, y] += 360;
}
}
// lightness calculation
this.L[x, y] = ((this.Cmax[x, y] + this.Cmin[x, y]) / 2);
//saturation calculation
if (this.delta[x, y] == 0)
{
this.S[x, y] = 0;
}
else
{
this.S[x, y] = this.delta[x, y] / (1 - Math.Abs(2 * this.L[x, y] - 1));
}
}
}
return(new HSLconvertor(this.H, this.S, this.L));
}
public RGBcolor toRGB(int[,] A)
{
double R = 0;
double G = 0;
double B = 0;
double C;
double X;
double m;
RGBcolor color = new RGBcolor();
color.R = new int[width, height];
color.G = new int[width, height];
color.B = new int[width, height];
color.A = new int[width, height];
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
C = (1 - Math.Abs(2 * this.L[x, y] - 1)) * this.S[x, y];
X = C * (1 - Math.Abs((this.H[x, y] / 60) % 2 - 1));
m = this.L[x, y] - C / 2;
if (this.H[x, y] >= 0 && this.H[x, y] < 60)
{
R = C;
G = X;
B = 0;
}
else if (this.H[x, y] >= 60 && this.H[x, y] < 120)
{
R = X;
G = C;
B = 0;
}
else if (this.H[x, y] >= 120 && this.H[x, y] < 180)
{
R = 0;
G = C;
B = X;
}
else if (this.H[x, y] >= 180 && this.H[x, y] < 240)
{
R = 0;
G = X;
B = C;
}
else if (this.H[x, y] >= 240 && this.H[x, y] < 300)
{
R = X;
G = 0;
B = C;
}
else if (this.H[x, y] >= 300 && this.H[x, y] < 360)
{
R = C;
G = 0;
B = X;
}
color.A[x, y] = A[x, y];
color.R[x, y] = (int)((R + m) * 255);
color.G[x, y] = (int)((G + m) * 255);
color.B[x, y] = (int)((B + m) * 255);
}
}
return(color);
}
public RGBcolor toRGB_solorized(int[,] A)
{
double R = 0;
double G = 0;
double B = 0;
double C;
double X;
double m;
double lnew;
RGBcolor color = new RGBcolor();
color.R = new int[width, height];
color.G = new int[width, height];
color.B = new int[width, height];
color.A = new int[width, height];
double Lmax = this.L.Cast <float>().Max();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
lnew = 4 / Lmax * this.L[x, y] * (Lmax - this.L[x, y]);
C = (1 - Math.Abs(2 * lnew - 1)) * this.S[x, y];
X = C * (1 - Math.Abs((this.H[x, y] / 60) % 2 - 1));
m = lnew - C / 2;
if (this.H[x, y] >= 0 && this.H[x, y] < 60)
{
R = C;
G = X;
B = 0;
}
else if (this.H[x, y] >= 60 && this.H[x, y] < 120)
{
R = X;
G = C;
B = 0;
}
else if (this.H[x, y] >= 120 && this.H[x, y] < 180)
{
R = 0;
G = C;
B = X;
}
else if (this.H[x, y] >= 180 && this.H[x, y] < 240)
{
R = 0;
G = X;
B = C;
}
else if (this.H[x, y] >= 240 && this.H[x, y] < 300)
{
R = X;
G = 0;
B = C;
}
else if (this.H[x, y] >= 300 && this.H[x, y] < 360)
{
R = C;
G = 0;
B = X;
}
color.A[x, y] = A[x, y];
color.R[x, y] = (int)((R + m) * 255);
color.G[x, y] = (int)((G + m) * 255);
color.B[x, y] = (int)((B + m) * 255);
}
}
return(color);
}
