C# 可视化矩阵 Winform

类似于matlab的imagesc python的plt.imshow
最基础的功能

using System;
using System.Drawing;
using System.Windows.Forms;

public class MatrixVisualizationForm : Form
{
    private int[,] matrix; // 用于存储矩阵数据的二维数组  

    public MatrixVisualizationForm()
    {
        this.ClientSize = new Size(72 * 20 + 20, 42 * 20 + 20); // 设置窗体大小以适应矩阵  
        InitializeMatrix();
        this.Paint += new PaintEventHandler(Form_Paint);
    }

    private void InitializeMatrix()
    {
        // 初始化一个70x40的矩阵  
        matrix = new int[40, 70];
        for (int i = 0; i < 40; i++)
        {
            for (int j = 0; j < 70; j++)
            {
                matrix[i, j] = (i + j) % 10; // 填充一些示例数据  
            }
        }
    }

    private void Form_Paint(object sender, PaintEventArgs e)
    {
        Graphics g = e.Graphics;
        int cellSize = 20; // 每个矩阵单元的大小  
        int padding = 0; // 矩阵边缘的填充  

        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            for (int j = 0; j < matrix.GetLength(1); j++)
            {
                // 根据矩阵中的值设置颜色，这里简单使用值的大小决定颜色的深浅  
                Brush brush = new SolidBrush(Color.FromArgb(matrix[i, j] * 25, matrix[i, j] * 25, matrix[i, j] * 25));
                g.FillRectangle(brush, padding + j * (cellSize + padding), padding + i * (cellSize + padding), cellSize, cellSize);
            }
        }
    }

    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new MatrixVisualizationForm());
    }
}

接下来使其适应窗口尺寸变化

using System;
using System.Drawing;
using System.Windows.Forms;

public class MatrixVisualizationForm : Form
{
    private int[,] matrix; // 用于存储矩阵数据的二维数组  

    public MatrixVisualizationForm()
    {
        InitializeMatrix();
        this.Paint += new PaintEventHandler(Form_Paint);
        this.Resize += new EventHandler(Form_Resize); // 添加窗体大小改变事件处理  
    }

    private void InitializeMatrix()
    {
        // 初始化一个70x40的矩阵  
        matrix = new int[40, 70];
        for (int i = 0; i < 40; i++)
        {
            for (int j = 0; j < 70; j++)
            {
                matrix[i, j] = (i + j) % 10; // 填充一些示例数据  
            }
        }
    }

    private void Form_Paint(object sender, PaintEventArgs e)
    {
        Graphics g = e.Graphics;
        DrawMatrix(g);
    }

    private void Form_Resize(object sender, EventArgs e)
    {
        this.Invalidate(); // 触发重绘  
    }

    private void DrawMatrix(Graphics g)
    {
        int cellSize = Math.Min(this.ClientSize.Width / 70, this.ClientSize.Height / 40); // 根据窗体大小动态计算单元格大小  
        int padding = 0; // 矩阵边缘的填充  

        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            for (int j = 0; j < matrix.GetLength(1); j++)
            {
                // 根据矩阵中的值设置颜色，这里简单使用值的大小决定颜色的深浅  
                Brush brush = new SolidBrush(Color.FromArgb(matrix[i, j] * 25, matrix[i, j] * 25, matrix[i, j] * 25));
                g.FillRectangle(brush, padding + j * (cellSize + padding), padding + i * (cellSize + padding), cellSize, cellSize);
            }
        }
    }

    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new MatrixVisualizationForm());
    }
}