using System;
using CPF.Drawing;
using CPF.ReoGrid.Graphics;
using CPF.ReoGrid.Rendering;

namespace CPF.ReoGrid.Chart
{
	public class ColumnChartPlotView : ChartPlotView
	{
		public ColumnChartPlotView(AxisChart chart) : base(chart)
		{
		}

		protected override void OnPaint(RDrawingContext dc)
		{
			base.OnPaint(dc);
			Rect clientBounds = this.ClientBounds;
			double num = (double)clientBounds.Width * 0.7;
			bool flag = num < 20.0;
			if (!flag)
			{
				AxisChart axisChart = base.Chart as AxisChart;
				bool flag2 = axisChart == null;
				if (!flag2)
				{
					WorksheetChartDataSource dataSource = base.Chart.DataSource;
					int serialCount = dataSource.SerialCount;
					int categoryCount = dataSource.CategoryCount;
					double num2 = num / (double)categoryCount;
					double num3 = ((double)clientBounds.Width - num) / (double)(categoryCount + 1);
					double num4 = num2 / (double)serialCount;
					AxisDataInfo primaryAxisInfo = axisChart.PrimaryAxisInfo;
					double num5 = num3;
					IGraphics graphics = dc.Graphics;
					for (int i = 0; i < categoryCount; i++)
					{
						for (int j = 0; j < dataSource.SerialCount; j++)
						{
							PlotPointColumn plotPointColumn = axisChart.PlotDataPoints[j][i];
							bool hasValue = plotPointColumn.hasValue;
							if (hasValue)
							{
								IDataSerialStyle dataSerialStyle = axisChart.DataSerialStyles[j];
								bool flag3 = plotPointColumn.value > 0f;
								if (flag3)
								{
									IGraphics graphics2 = graphics;
									float num6 = (float)num5;
									float num7 = axisChart.ZeroHeight - plotPointColumn.value;
									float num8 = (float)(num4 - 1.0);
									graphics2.DrawAndFillRectangle(new Rect(ref num6, ref num7, ref num8, ref plotPointColumn.value), dataSerialStyle.LineColor, dataSerialStyle.FillColor);
								}
								else
								{
									IGraphics graphics3 = graphics;
									float num6 = (float)num5;
									float num7 = axisChart.ZeroHeight;
									float num8 = (float)(num4 - 1.0);
									float num9 = -plotPointColumn.value;
									graphics3.DrawAndFillRectangle(new Rect(ref num6, ref num7, ref num8, ref num9), dataSerialStyle.LineColor, dataSerialStyle.FillColor);
								}
							}
							num5 += num4;
						}
						num5 += num3;
					}
				}
			}
		}
	}
}