Pinta.LevelsDialog.UpdateInputHistogram C# (CSharp) 메소드

        private void UpdateInputHistogram()
        {
            ImageSurface surface = PintaCore.Layers.CurrentLayer.Surface;
            Gdk.Rectangle rect =  PintaCore.Layers.SelectionPath.GetBounds ();
            histogramInput.Histogram.UpdateHistogram (surface, rect);
            UpdateOutputHistogram ();
        }