using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows.Media;

using System.Diagnostics;



namespace Microsoft.Research.DynamicDataDisplay.Maps.Charts.VectorFields

{

	[DebuggerDisplay("R={R}, G={G}, B={B}")]

	internal struct ConvolutionColor

	{

		public ConvolutionColor(double r, double g, double b)

		{

			this.R = r;

			this.G = g;

			this.B = b;

		}



		public double R;

		public double G;

		public double B;



		public static ConvolutionColor operator +(ConvolutionColor color1, ConvolutionColor color2)

		{

			return new ConvolutionColor(color1.R + color2.R, color1.G + color2.G, color1.B + color2.B);

		}



		public static ConvolutionColor operator *(ConvolutionColor color, double d)

		{

			return new ConvolutionColor(color.R * d, color.G * d, color.B * d);

		}



		public static ConvolutionColor operator /(ConvolutionColor color, double d)

		{

			return new ConvolutionColor((int)(color.R / d), (int)(color.G / d), (int)(color.B / d));

		}



		public static ConvolutionColor FromArgb(int argb)

		{

			ConvolutionColor result = new ConvolutionColor();

			argb &= 0x00FFFFFF;

			result.R = argb >> 16;

			result.G = argb >> 8 & 0xFF;

			result.B = argb & 0xFF;

			return result;

		}



		public int ToArgb()

		{

			return 0xFF << 24 | (((int)R) & 0xFF) << 16 | (((int)G) & 0xFF) << 8 | (((int)B) & 0xFF);

		}



		public int ToBgra()

		{

			return (((int)B) & 0xFF) << 24 | (((int)G) & 0xFF) << 16 | (((int)R) & 0xFF) << 8 | 0xFF;

		}



		public static implicit operator ConvolutionColor(Color color)

		{

			return new ConvolutionColor { R = color.R, G = color.G, B = color.B };

		}



		public void MakeGrayScale()

		{

			double gray = 0.3 * R + 0.59 * G + 0.11 * B;

			R = G = B = gray;

		}

	}

}