private void ChangeToDoughnut()
{
if (ChartType != PieChartType.Doughnut)
{
ChartType = PieChartType.Doughnut;
}
}
private void ChangeToPie()
{
if (ChartType != PieChartType.Pie)
{
ChartType = PieChartType.Pie;
}
}
/// <summary>
/// Create a pie chart of specified type
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
/// <param name="pieChartType"></param>
public PieChart(int width, int height, PieChartType pieChartType)
: base(width, height)
{
this.pieChartType = pieChartType;
}
/// <summary>
/// Initializes a new instance of the Pie Chart generator.
/// </summary>
/// <param name="type">Pie chart type.</param>
/// <param name="size">Size of the chart.</param>
/// <param name="data">Chart data.</param>
/// <param name="labels">Labels for pies</param>
public PieChart(PieChartType type, ChartSize size, ChartData data, PieChartLabels labels)
: this(type, size, data)
{
_labels = labels;
}
/// <summary>
/// Initializes a new instance of the Pie Chart generator.
/// </summary>
/// <param name="type">Pie chart type.</param>
/// <param name="size">Size of the chart.</param>
/// <param name="data">Chart data.</param>
public PieChart(PieChartType type, ChartSize size, ChartData data)
: base(GetPieType(type), size, data)
{
}
private static ChartType GetPieType(PieChartType type)
{
switch(type)
{
case PieChartType.Pie2D:
return PieChart2D;
case PieChartType.Pie3D:
return PieChart3D;
default:
throw new ArgumentOutOfRangeException("type");
}
}
public PieChartBuilder Type(PieChartType value)
{
base.Options["type"] = value;
return(this);
}
/// <summary>
/// 创建一个指定类型的饼图
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
/// <param name="pieChartType"></param>
public PieChart(int width, int heigth, PieChartType pieChartType)
: base(width, heigth)
{
this.pieChartType = pieChartType;
}