// Mouse cursor's position has changed within histogram control
private void histogramControl_PositionChanged(object sender, Accord.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;
}
}
}
// Selection has changed within histogram control
private void histogramControl_SelectionChanged(object sender, Accord.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));
}
}
