C# 实现中国象棋【棋盘，棋子】

概述本文是利用C# 实现中国象棋的棋盘，棋子绘制，以及初始化布局，并不实现中国象棋的对弈逻辑

本文是利用C# 实现中国象棋的棋盘绘制，以及初始化布局，并不实现中国象棋的对弈逻辑。仅供学习参考使用。

思路：

绘制中国象棋棋盘，竖线九条，横线十条。再中间绘制‘楚河’，‘汉界’ 。绘制棋子，然后将棋子布局在棋盘上即可。

涉及知识点：

用户控件：用于实现棋盘的绘制，重写 OnPaint(PaintEventArgs e) 方法。Matrix：封装表示几何变换的 3x3 仿射矩阵。本例中主要用于旋转绘制反方的‘汉界’。GraphicsPath：表示一系列相互连接的直线和曲线。本例中主要用于绘制圆形棋子。

效果图如下：

（一）

（二）

核心代码

棋盘核心代码如下：

  1 protected overrIDe voID OnPaint(PaintEventArgs e)  2         {  3             base.OnPaint(e);  4   5             //初始化数组  6             InitArrPIEceInfo();  7   8             Graphics g = e.Graphics;  9             int wIDth = this.WIDth; 10             int height = .Height; 11             int padding = this.padding.All * 20; 12             int center = height / 2;垂直中心位置 13             int s_wIDth = (wIDth - 2 * padding) / 8;每一条横线的间距 14             int s_heigth = (height - 9;每一条竖线的间距 15             int start_x = padding;起始位置 16             int start_y = padding; 17             Pen pen = new Pen(Brushes.Black,1.5f); 18             Dictionary<string,string[]> dicNums = new Dictionary<string[]>(); 19             dicNums.Add("up",1)">new string[9] { 123456789" }); 20             dicNums.Add(down九八七六五四三二一 21             Font Font = new Font(宋体12,FontStyle.Regular); 22             for (int i = 0; i < 9; i++) 23             { 24                 竖线九条 25                 Point p0 = new Point(start_x + i * s_wIDth,start_y); 26                 Point p1 = new Point(start_x + i * s_wIDth,start_y + (s_heigth * 4)); 27                 Point p2 = 5 28                 Point p3 = 9 29                 g.Drawline(pen,p0,p1); 30  31                 上下的文字 32                 Point p_up = new Point(start_x + i * s_wIDth - 5,padding / 2 33                 Point p_down = 9) + padding / 3 34                 g.DrawString(dicNums[][i],Font,Brushes.Black,p_up); 35                 g.DrawString(dicNums[ 36                 数组赋值 37                 int j = 0; j < 10; j++ 38                 { 39                     Point absLocation = ArrPIEce[i,j].absoluteLocation; 40                     absLocation.X = start_x + i * s_wIDth; 41                     ArrPIEce[i,j].absoluteLocation = absLocation; 42                 } 43             } 44             10; i++ 45  46                 横线十条 47                 Point p0 = new Point(start_x,start_y + i * s_heigth); 48                 Point p1 = new Point(start_x + s_wIDth * 8,1)"> 49  50                  51                 9; j++ 52  53                     Point absLocation = ArrPIEce[j,i].absoluteLocation; 54                     absLocation.Y = start_y + i * s_heigth; 55                     ArrPIEce[j,i].absoluteLocation = 56  57  58             绘制九宫格 59             2; i++ 60  61                 Point p0 = new Point(start_x + (3 + i * 2) * 62                 Point p1 = 5 - i * 2) * s_wIDth,1)"> 63                 Point p2 = 7 64                 Point p3 =  65  66  67  68  69             兵和卒处有拐角，从左往右 70             5; i++ 71  72                 int p_x = start_x + 2 * i * 73                 int p_y = start_y + 3 * 74                 DrawCorner(g,pen,p_x,p_y);兵 75                 p_y = start_y + 6 * 76                 DrawCorner(g,1)">卒 77  78             炮处的拐角，从左往右 79              80  81                 int p_x = start_x + (1 + 6 * i) * 82                 2 * 83                 DrawCorner(g,1)">炮 84                 p_y = start_y + 7 * 85                 DrawCorner(g,1)"> 86  87             绘制楚河汉界 88             Point p_0 = new Point(2 * s_wIDth,center - 25 89             Point p_1 = 7 * s_wIDth,center +  90             Font = 方正隶二繁体30 91             g.DrawString(楚河 92             Matrix mtxSave = g.transform; 93             Matrix mtxRotate = 94             mtxRotate.RotateAt(180 95             g.transform = mtxRotate; 96             g.DrawString(汉界 97             g.transform = mtxSave; 98             绘制外边框 99             g.DrawRectangle(pen,1)">3,wIDth - 6,height - 6100             g.DrawRectangle(pen,1)">10,1)">10101             g.DrawRectangle(pen,1)">7,1)">14,1)">14102         }

VIEw Code

棋子核心代码如下：

 1          2  3              4             Graphics g = 5             GraphicsPath gPath = new GraphicsPath(); 6              Set a new rectangle to the same size as the button's ClIEntRectangle property. 7             Rectangle rectangle = .ClIEntRectangle; 8             g.DrawEllipse(new Pen(.FlatAppearance.bordercolor),rectangle); 9             gPath.AddEllipse(rectangle);10 11              Set the button's Region property to the newly created  circle region.12             this.Region =  Region(gPath);13             Rectangle inRect = new Rectangle(2,1)">this.WIDth - 4,1)">this.Height - 14             g.FillEllipse(new SolIDBrush(.Backcolor),1)">15             g.DrawEllipse(new Pen(color.Black,1)">),inRect);16 17             Font Font = 楷体18             g.DrawString(this.Text,1)">this.Forecolor),1)">0,1)">19         }

VIEw Code

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