/*
* Histogramm in die PictureBox des Fensters zeichnen auf Grundlage der Histogramm daten
*/
public void draw_histogram(System.Windows.Forms.PictureBox statistik_pic, Config.histogram_canal canal)
{
const int width = 256;
const int height = 100;
Bitmap bb = new Bitmap(width, height);
Graphics objGraphic = Graphics.FromImage(bb);
Pen pen = new Pen(Color.Black);
pen.Width = 5;
objGraphic.DrawLine(pen, 0, height, width - 1, height);
int peak = 0;
int c = (int)canal;
int value = 0;
for (int x = 1; x < width; x++)
{
value = histo[c, x];
// Höchstwert des Kanal Wertes berechnen <- normalisiert
peak = (value == 0) ? 0 : (value * height) / this.peak[(int)canal];
objGraphic.DrawLine(pen, x, height, x, height - peak);
System.Drawing.Drawing2D.GraphicsState graph = objGraphic.Save();
objGraphic.Restore(graph);
}
statistik_pic.Image = bb;
statistik_pic.Refresh();
}
private void green_channel_radio_CheckedChanged(object sender, EventArgs e)
{
if (green_channel_radio.Checked)
{
radio_button = Config.histogram_canal.GREEN;
con.draw_histogram(statistikPictureBox, this, radio_button);
}
}
private void blue_channel_radio_CheckedChanged(object sender, EventArgs e)
{
if (blue_channel_radio.Checked)
{
radio_button = Config.histogram_canal.BLUE;
con.draw_histogram(statistikPictureBox, this, radio_button);
}
}
public void draw_histogram(System.Windows.Forms.PictureBox statistikPictureBox, Statistik form, Config.histogram_canal canal)
{
model.draw_histogram(statistikPictureBox, canal);
mainForm.Focus();
}
