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");
    }
Exemplo n.º 3
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        // 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;
                }
            }
        }
Exemplo n.º 4
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        // 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 = "";
            }
        }
Exemplo n.º 5
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        // 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));
            }
        }