using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using Chart.Drawing.Interfaces;
namespace Chart.Drawing.Painters
{
public class StepSeriesPainter : SimpleSeriesPainter
{
#region Constructors
public StepSeriesPainter(Color color)
: base(color)
{
}
#endregion
#region ISeriesPainter Members
/// <summary>
/// Draws series
/// </summary>
/// <param name="series">Series to draw</param>
/// <param name="g">Graphics to draw</param>
public override void Draw(ISeries series, Graphics g)
{
IList<IPoint> points = series.Points;
if (points.Count < 2)
{
return;
}
IPoint xx = points[0];
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
dSize[i, j] = performer[i, j];
}
}
if ((dSize[0, 1] == dSize[1, 1]) | (dSize[0, 0] == dSize[1, 0]))
{
return;
}
int[] size = performer.CanvasSize;
performer.Transform(xx.X, xx.Y, pointStart);
for (int i = 1; i < points.Count; i++)
{
xx = points[i];
performer.Transform(xx.X, xx.Y, pointFinish);
int dx = Math.Abs(pointStart[0] - pointFinish[0]);
int dy = Math.Abs(pointStart[1] - pointFinish[1]);
if ((dx < performer.StepX) | (dy < performer.StepY))
{
continue;
}
g.DrawLine(pen, pointStart[0], pointStart[1], pointFinish[0], pointStart[1]);
g.DrawLine(pen, pointFinish[0], pointStart[1], pointFinish[0], pointFinish[1]);
pointStart[0] = pointFinish[0];
pointStart[1] = pointFinish[1];
}
}
#endregion
#region ICloneable Members
/// <summary>
/// Clones itself
/// </summary>
/// <returns>The clone</returns>
public override object Clone()
{
return new StepSeriesPainter(color);
}
#endregion
}
}
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