private void Histogram_PositionChanged(object sender, AForge.Controls.HistogramEventArgs e)
{
if (e.Position >= 0 && e.Position < histogram.Values.Length)
{
label3.Text = $"Level: {e.Position}";
label4.Text = $"Count: {histogram.Values[e.Position]}";
}
else
{
label3.Text = "Level:";
label4.Text = "Count";
}
}
// Selection changed in the hostogram
private void histogram_SelectionChanged(object sender, AForge.Controls.HistogramEventArgs e)
{
int min = e.Min;
int max = e.Max;
int count = 0;
levelLabel.Text = min.ToString( ) + "..." + max.ToString( );
// count pixels
for (int i = min; i <= max; i++)
{
count += activeHistogram.Values[i];
}
countLabel.Text = count.ToString( );
percentileLabel.Text = ((float)count * 100 / stat.PixelsCount).ToString("F2");
}
// Mouse cursor's position has changed within histogram control
private void histogramControl_PositionChanged(object sender, AForge.Controls.HistogramEventArgs e)
{
if (histogram != null)
{
int pos = e.Position;
if (pos != -1)
{
textBox.Text = string.Format("Value: {0} Count: {1} Percent: {2:F2}",
pos, histogram.Values[pos], ((float)histogram.Values[pos] * 100 / histogram.TotalCount));
}
else
{
textBox.Text = string.Empty;
}
}
}
// Mouse cursor's position has changed within histogram control
private void histogram_PositionChanged(object sender, AForge.Controls.HistogramEventArgs e)
{
int pos = e.Position;
if (pos != -1)
{
levelLabel.Text = pos.ToString( );
countLabel.Text = activeHistogram.Values[pos].ToString( );
percentileLabel.Text = ((float)activeHistogram.Values[pos] * 100 / stats.PixelsCount).ToString("F2");
}
else
{
levelLabel.Text = "";
countLabel.Text = "";
percentileLabel.Text = "";
}
}
// Selection has changed within histogram control
private void histogramControl_SelectionChanged(object sender, AForge.Controls.HistogramEventArgs e)
{
if (histogram != null)
{
int min = e.Min;
int max = e.Max;
int count = 0;
// count pixels
for (int i = min; i <= max; i++)
{
count += histogram.Values[i];
}
textBox.Text = string.Format("Values: {0}...{1} Count: {2} Percent: {3:F2}",
min, max, count, ((float)count * 100 / histogram.TotalCount));
}
}
