// Selection changed in the hostogram private void histogram_SelectionChanged( object sender, IPLab.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" ); }
// Value changed in grid private void grid_ValueChanged( object sender, IPLab.GridEventArgs e ) { UpdateFilter( ); }
// Cursor position changed over the hostogram private void histogram_PositionChanged( object sender, IPLab.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 / stat.PixelsCount ).ToString( "F2" ); } else { levelLabel.Text = ""; countLabel.Text = ""; percentileLabel.Text = ""; } }