c#绘制中国象棋棋盘与棋子的方法-创新互联
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这篇文章将为大家详细讲解有关c#绘制中国象棋棋盘与棋子的方法，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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：
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
//初始化数组
InitArrPieceInfo();
Graphics g = e.Graphics;
int width = this.Width;
int height = this.Height;
int padding = this.Padding.All * 20;
int center = height / 2;//垂直中心位置
int s_width = (width - 2 * padding) / 8;//每一条横线的间距
int s_heigth = (height - 2 * padding) / 9;//每一条竖线的间距
int start_x = padding;//起始位置
int start_y = padding;//起始位置
Pen pen = new Pen(Brushes.Black, 1.5f);
Dictionary dicNums = new Dictionary();
dicNums.Add("up", new string[9] { "1", "2", "3", "4", "5", "6", "7", "8", "9" });
dicNums.Add("down", new string[9] { "九", "八", "七", "六", "五", "四", "三", "二", "一" });
Font font = new Font("宋体", 12, FontStyle.Regular);
for (int i = 0; i < 9; i++)
{
//竖线九条
Point p0 = new Point(start_x + i * s_width, start_y);
Point p1 = new Point(start_x + i * s_width, start_y + (s_heigth * 4));
Point p2 = new Point(start_x + i * s_width, start_y + (s_heigth * 5));
Point p3 = new Point(start_x + i * s_width, start_y + (s_heigth * 9));
g.DrawLine(pen, p0, p1);
g.DrawLine(pen, p2, p3);
//上下的文字
Point p_up = new Point(start_x + i * s_width - 5, padding / 2);
Point p_down = new Point(start_x + i * s_width - 5, start_y + (s_heigth * 9) + padding / 3);
g.DrawString(dicNums["up"][i], font, Brushes.Black, p_up);
g.DrawString(dicNums["down"][i], font, Brushes.Black, p_down);
//数组赋值
for (int j = 0; j < 10; j++)
{
Point absLocation = ArrPiece[i, j].AbsoluteLocation;
absLocation.X = start_x + i * s_width;
ArrPiece[i, j].AbsoluteLocation = absLocation;
}
}
for (int i = 0; i < 10; i++)
{
//横线十条
Point p0 = new Point(start_x, start_y + i * s_heigth);
Point p1 = new Point(start_x + s_width * 8, start_y + i * s_heigth);
g.DrawLine(pen, p0, p1);
//数组赋值
for (int j = 0; j < 9; j++)
{
Point absLocation = ArrPiece[j, i].AbsoluteLocation;
absLocation.Y = start_y + i * s_heigth;
ArrPiece[j, i].AbsoluteLocation = absLocation;
}
}
//绘制九宫格
for (int i = 0; i < 2; i++)
{
Point p0 = new Point(start_x + (3 + i * 2) * s_width, start_y);
Point p1 = new Point(start_x + (5 - i * 2) * s_width, start_y + (s_heigth * 2));
Point p2 = new Point(start_x + (3 + i * 2) * s_width, start_y + (s_heigth * 7));
Point p3 = new Point(start_x + (5 - i * 2) * s_width, start_y + (s_heigth * 9));
g.DrawLine(pen, p0, p1);
g.DrawLine(pen, p2, p3);
}
//兵和卒处有拐角，从左往右
for (int i = 0; i < 5; i++)
{
int p_x = start_x + 2 * i * s_width;
int p_y = start_y + 3 * s_heigth;
DrawCorner(g, pen, p_x, p_y);//兵
p_y = start_y + 6 * s_heigth;
DrawCorner(g, pen, p_x, p_y);//卒
}
//炮处的拐角，从左往右
for (int i = 0; i < 2; i++)
{
int p_x = start_x + (1 + 6 * i) * s_width;
int p_y = start_y + 2 * s_heigth;
DrawCorner(g, pen, p_x, p_y);//炮
p_y = start_y + 7 * s_heigth;
DrawCorner(g, pen, p_x, p_y);//炮
}
//绘制楚河汉界
Point p_0 = new Point(2 * s_width, center - 25);
Point p_1 = new Point(7 * s_width, center + 20);
font = new Font("方正隶二繁体", 30, FontStyle.Regular);
g.DrawString("楚河", font, Brushes.Black, p_0);
Matrix mtxSave = g.Transform;
Matrix mtxRotate = g.Transform;
mtxRotate.RotateAt(180, p_1);
g.Transform = mtxRotate;
g.DrawString("汉界", font, Brushes.Black, p_1);
g.Transform = mtxSave;
//绘制外边框
g.DrawRectangle(pen, 3, 3, width - 6, height - 6);
g.DrawRectangle(pen, 5, 5, width - 10, height - 10);
g.DrawRectangle(pen, 7, 7, width - 14, height - 14);
} 本文题目：c#绘制中国象棋棋盘与棋子的方法-创新互联
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