在C#绘制中国象棋棋盘是C#程序设计中GDI+的一个重要组成部分。这也是非常考验编程技巧的操作。在绘制之前首先要对棋盘有一个完整的认识。下面是完成后的输出图案。
1.在制作过程中用到了背景图片如下：
2.棋盘的横竖交叉线的坐标如下图（棋盘横向、竖向都以50象素间距绘制）
3.更细的坐标分布如下图
完整的代码如下图
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using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace Chinese_chessboard{ public partial class FrmMain : Form { public FrmMain() { InitializeComponent(); } private void FrmMain_Paint(object sender, PaintEventArgs e) { if (!File.Exists(Application.StartupPath + @"\" + "bg.jpg")) { MessageBox.Show("请把素材中的bg.jpg图片文件放到可执行程序相同文件夹中,并重新启动程序！", "提示"); Application.Exit(); } Console.WriteLine("C#编程交流群:485532597"); Graphics g = e.Graphics; // 获取一个Graphics对象 g.Clear(Color.Coral); //用珊瑚色清除窗体 Font font1 = new Font("黑体", 25, FontStyle.Regular); int s = (int)(font1.Size / 0.6); int s2 = (int)font1.Height; Image img = Image.FromFile("bg.jpg"); g.DrawImage(Image.FromFile(Application.StartupPath + @"\" + "bg.jpg"), 10, 10, 430, 480); //绘制背景图 g.DrawRectangle(new Pen(Color.Black, 3), new Rectangle(new Point(20, 20), new Size(410, 460))); //绘制框图 Pen pen = new Pen(Color.Black, 1); //绘制水平线 for (int i = 0; i < 10; i++) { g.DrawLine(pen, new Point(25, 25 + (i * 50)), new Point(425, 25 + (i * 50))); } //绘制垂直线 for (int i = 0; i < 9; i++) { g.DrawLine(pen, new Point(25 + (i * 50), 25), new Point(25 + (i * 50), 225)); g.DrawLine(pen, new Point(25 + (i * 50), 275), new Point(25 + (i * 50), 475)); } //return; //绘制将士位置斜线 g.DrawLine(pen, new Point(175, 25), new Point(275, 125)); g.DrawLine(pen, new Point(275, 25), new Point(175, 125)); g.DrawLine(pen, new Point(175, 375), new Point(275, 475)); g.DrawLine(pen, new Point(175, 475), new Point(275, 375)); //兵位（炮位）线,只画一个 g.DrawLine(pen, new Point(30, 160), new Point(30, 170)); g.DrawLine(pen, new Point(30, 170), new Point(40, 170)); g.DrawLine(pen, new Point(30, 180), new Point(30, 190)); g.DrawLine(pen, new Point(30, 180), new Point(40, 180)); g.DrawString("楚 河", new Font("黑体", 25), Brushes.Black, new Point(50, 235)); g.TranslateTransform(300, 235); //平移坐标轴 g.RotateTransform(180); //进行180度旋转 g.DrawString("漢 界", new Font("黑体", 25), Brushes.Black, new Point(-100, -35)); g.ResetTransform(); //坐标轴复位 this.DrawAngle(g, pen, new Point(125, 175), "all"); this.DrawAngle(g, pen, new Point(425, 175), "left"); this.DrawAngle(g, pen, new Point(225, 175), "all"); this.DrawAngle(g, pen, new Point(425, 175), "left"); this.DrawAngle(g, pen, new Point(325, 175), "all"); this.DrawAngle(g, pen, new Point(425, 175), "left"); this.DrawAngle(g, pen, new Point(75, 125), "all"); this.DrawAngle(g, pen, new Point(375, 125), "all"); this.DrawAngle(g, pen, new Point(25, 325), "right"); this.DrawAngle(g, pen, new Point(125, 325), "all"); this.DrawAngle(g, pen, new Point(225, 325), "all"); this.DrawAngle(g, pen, new Point(325, 325), "all"); this.DrawAngle(g, pen, new Point(425, 325), "left"); this.DrawAngle(g, pen, new Point(75, 375), "all"); this.DrawAngle(g, pen, new Point(375, 375), "all"); g.Dispose(); //释放对象 } private void DrawAngle(Graphics g,Pen pen, Point point,string str) { Point p1 = new Point(point.X + 5, point.Y + 5); Point p2= new Point(point.X - 5, point.Y + 5); Point p3= new Point(point.X -5, point.Y - 5); Point p4 = new Point(point.X +5, point.Y -5); if(str=="right"||str=="all") { //p1 p4 g.DrawLine(pen, p1, new Point(p1.X + 10, p1.Y)); g.DrawLine(pen, p1, new Point(p1.X, p1.Y+10)); g.DrawLine(pen, p4, new Point(p4.X + 10, p4.Y)); g.DrawLine(pen, p4, new Point(p4.X, p4.Y-10)); } if(str=="left" || str == "all") { //p2 p3 g.DrawLine(pen, p2, new Point(p2.X - 10, p2.Y)); g.DrawLine(pen, p2, new Point(p2.X, p2.Y+10)); g.DrawLine(pen, p3, new Point(p3.X - 10, p3.Y)); g.DrawLine(pen, p3, new Point(p3.X, p3.Y - 10)); } } }} |
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原文链接：https://blog.csdn.net/stwzx/article/details/112757048
