using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Microsoft.Research.DynamicDataDisplay.Converters;

using System.Windows.Controls;

using System.Globalization;



namespace Microsoft.Research.DynamicDataDisplay.Charts

{

	internal sealed class LegendBottomButtonIsEnabledConverter : ThreeValuesMultiConverter<double, double, double>

	{

		protected override object ConvertCore(double value1, double value2, double value3, Type targetType, object parameter, CultureInfo culture)

		{

			double extentHeight = value1;

			double viewportHeight = value2;

			double offset = value3;



			return viewportHeight < (extentHeight - offset);

		}

	}

}