■ PiePlot 클래스의 DonutLabel 속성을 사용해 도넛 차트 중앙에 텍스트를 표시하는 방법을 보여준다.
▶ MainForm.cs
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using System.Drawing; using System.Linq; using System.Windows.Forms; using ScottPlot; using ScottPlot.Plottable; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Plot plot = new Plot(800, 600); double[] valueArray = { 779, 586 }; string centerText = $"{valueArray[0] / valueArray.Sum() * 100:00.0}%"; Color color1 = Color.FromArgb(255, 0, 150, 200); Color color2 = Color.FromArgb(100, 0, 150, 200); PiePlot piePlot = plot.AddPie(valueArray); piePlot.OutlineSize = 2; piePlot.DonutSize = 0.6; piePlot.DonutLabel = centerText; piePlot.CenterFont.Color = color1; piePlot.SliceFillColors = new Color[] { color1, color2 }; this.formsPlot.Reset(plot); this.formsPlot.Refresh(); } #endregion } } |
