using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace EightDiagramDemo
{/// <summary>/// 绘制八卦图操作类/// </summary>public class DrawDiagramUtil{/// <summary>/// 绘制某一个八卦图片/// 八卦的每一个符号都由9个小矩形组成，/// 实线由三个连续的宽度为40，高度为20的小矩形组成。虚线由两个宽度为40，高度为20的小矩形 与 中间的宽度和高度都为0的小矩形组成/// </summary>/// <param name="panel">显示的面板控件：面板宽度为200，高度为200</param>/// <param name="diagramChar">八卦中文描述</param>/// <param name="diagramIndex">坤为0，震为1，坎为2，兑为3，艮为4，离为5，巽为6，乾为7</param>/// <param name="color">颜色，【乾坎艮】为绿色，【巽离】为黄色，【坤震兑】为红色</param>public static void GenerateEightDiagramSymbol(Panel panel, string diagramChar, int diagramIndex, Color color){panel.BackgroundImage = null;//清除背景//面板宽度为200，高度为200Bitmap bitmap = new Bitmap(panel.Width, panel.Height);Graphics graphics = Graphics.FromImage(bitmap);//爻是按照从下往上的顺序：坤为0，震为1，坎为2，兑为3，艮为4，离为5，巽为6，乾为7.//阳爻：实线，由三个连续的宽度为40，高度为20的小矩形组成//阴爻：虚线，由两个宽度为40，高度为20的小矩形 与 中间的宽度和高度都为0的小矩形组成//因此 八卦的每一个符号都由9个小矩形组成int lineWidth1 = 0;int lineHeight1 = 0;int lineWidth2 = 0;int lineHeight2 = 0;int lineWidth3 = 0;int lineHeight3 = 0;if (diagramIndex == 1){lineWidth1 = 40;lineHeight1 = 20;}else if (diagramIndex == 2){lineWidth2 = 40;lineHeight2 = 20;}else if (diagramIndex == 3){lineWidth1 = 40;lineHeight1 = 20;lineWidth2 = 40;lineHeight2 = 20;}else if (diagramIndex == 4){lineWidth3 = 40;lineHeight3 = 20;}else if (diagramIndex == 5){lineWidth1 = 40;lineHeight1 = 20;lineWidth3 = 40;lineHeight3 = 20;}else if (diagramIndex == 6){lineWidth2 = 40;lineHeight2 = 20;lineWidth3 = 40;lineHeight3 = 20;}else if (diagramIndex == 7){lineWidth1 = 40;lineHeight1 = 20;lineWidth2 = 40;lineHeight2 = 20;lineWidth3 = 40;lineHeight3 = 20;}Rectangle[] rects = new Rectangle[9]{new Rectangle(40, 40, 40, 20), new Rectangle(80, 40, lineWidth3, lineHeight3), new Rectangle(120, 40, 40, 20),new Rectangle(40, 80, 40, 20), new Rectangle(80, 80, lineWidth2, lineHeight2), new Rectangle(120, 80, 40, 20),new Rectangle(40, 120, 40, 20), new Rectangle(80, 120, lineWidth1, lineHeight1), new Rectangle(120, 120, 40, 20),};//奇门遁甲八门中：//开门，休门，生门是吉祥的；绿色标识//杜门和景门可以说是中性的，又是吉祥，有时应凶；黄色标识//死门，惊门，伤门是三个容易应凶、出凶的门；红色标识//开门在乾金宫，休门在坎水宫，生门在艮土宫，伤门在震木宫，//杜门在巽木宫，景门在离火宫，死门在坤土宫，惊门在兑金宫。graphics.FillRectangles(new SolidBrush(color), rects);graphics.DrawRectangles(new Pen(color), rects);SizeF sizeF = graphics.MeasureString(diagramChar, new Font("华文楷体", 25));graphics.DrawString(diagramChar, new Font("华文楷体", 25), new SolidBrush(Color.Black), 100 - sizeF.Width / 2, 170 - sizeF.Height / 2);graphics.Dispose();panel.BackgroundImage = bitmap;}/// <summary>/// 生成文字：中宫五/// </summary>/// <param name="panel"></param>/// <param name="diagramChar"></param>public static void GenerateFiveCenter(Panel panel, string diagramChar){panel.BackgroundImage = null;//清除背景//面板宽度为200，高度为200Bitmap bitmap = new Bitmap(panel.Width, panel.Height);Graphics graphics = Graphics.FromImage(bitmap);SizeF sizeF = graphics.MeasureString(diagramChar, new Font("华文楷体", 40));graphics.DrawString(diagramChar, new Font("华文楷体", 40, FontStyle.Bold), new SolidBrush(Color.Black), 100 - sizeF.Width / 2, 100 - sizeF.Height / 2);graphics.Dispose();panel.BackgroundImage = bitmap;}}
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace EightDiagramDemo
{public partial class FormNineGrid : Form{public FormNineGrid(){InitializeComponent();}private void FormNineGrid_Load(object sender, EventArgs e){DrawDiagramUtil.GenerateEightDiagramSymbol(panel8, "坎一", 2, Color.Green);DrawDiagramUtil.GenerateEightDiagramSymbol(panel3, "坤二", 0, Color.Red);DrawDiagramUtil.GenerateEightDiagramSymbol(panel4, "震三", 1, Color.Red);DrawDiagramUtil.GenerateEightDiagramSymbol(panel1, "巽四", 6, Color.Yellow);DrawDiagramUtil.GenerateFiveCenter(panel5, "中宫五");DrawDiagramUtil.GenerateEightDiagramSymbol(panel9, "乾六", 7, Color.Green);DrawDiagramUtil.GenerateEightDiagramSymbol(panel6, "兑七", 3, Color.Red);DrawDiagramUtil.GenerateEightDiagramSymbol(panel7, "艮八", 4, Color.Green);DrawDiagramUtil.GenerateEightDiagramSymbol(panel2, "离九", 5, Color.Yellow);}}
}