private void HistRed_Click(object sender, EventArgs e)
{
int temp = 0, baris = 0, data = 0, data2 = 0, temp2 = 0, baris2 = 0;
Histogram Hg = new Histogram();
Bitmap citra = new Bitmap(original.Image);
//int[] histo;
//mendapat nilai tiap RGB
int[] histogramRed = Hg.HistogramAngkaRed(citra);
int[] histogramGreen = Hg.HistogramAngkaGreen(citra);
int[] histogramBlue = Hg.HistogramAngkaBlue(citra);
listBox1.Items.Clear();
while (baris < histogramRed.Length)
{
temp = histogramRed[baris];
if (data < temp)
{
data = temp;
}
baris++;
}
int y = data / 250;
for (int i = 0; i <= 255; i++)
{
listBox1.Items.Add(i + "=" + histogramRed[i]);
Label lb = new Label();
int x = Convert.ToInt32(histogramRed[i]);
lb.Height = x / y;
lb.Width = 1;
lb.BackColor = Color.Red;
//bkin label sbg grapik hist nya. edit posisinya nilainya saja
//lb.Location = new Point(675 + i, 400 - lb.Height);
lb.Location = new Point(876 + i, 331 - lb.Height);
this.Controls.Add(lb);
//panelHist.Controls.Add(lb);
lb.ResetText();
}
int banyakPixel = citra.Width * citra.Height;
byte[] hasilR = Hg.HasilHistEqArr(histogramRed, banyakPixel);
byte[] hasilG = Hg.HasilHistEqArr(histogramGreen, banyakPixel);
byte[] hasilB = Hg.HasilHistEqArr(histogramBlue, banyakPixel);
listBox2.Items.Clear();
//searching nilai tertinggi terlebih dahulu (sequential search)
while (baris2 < hasilR.Length)
{
temp2 = hasilR[baris2];
if (data2 < temp2)
{
data2 = temp2;
}
baris2++;
}
//Execute2.Text = data2.ToString();
int z = data2 / 250;
for (int i = 0; i <= 255; i++)
{
listBox2.Items.Add(i + "=" + hasilR[i]);
Label lb = new Label();
int x = Convert.ToInt32(hasilR[i]);
lb.Height = x / y;
lb.Width = 1;
lb.BackColor = Color.Red;
//lb.Location = new Point(675 + i, 500 - lb.Height);
lb.Location = new Point(877 + i, 430 - lb.Height);
this.Controls.Add(lb);
//panelHist.Controls.Add(lb);
}
Hg.HistogramBar(citra, hasilR, hasilG, hasilB);
//Hg.HistogramBar(citra, HasilRGB(), HasilRGB(), HasilRGB());
result.Image = citra;
}