C#绘制中国象棋棋盘

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互联网集市收集整理的这篇技术教程文章主要介绍了C#绘制中国象棋棋盘，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含4015字，纯文字阅读大概需要6分钟。

内容图文

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

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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