如何为printdocument类呈现一个带有图像的html文档，以便打印它？

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

public class PrintExample
{
    private PrintDocument printDocument;

    public PrintExample()
    {
        printDocument = new PrintDocument();
        printDocument.PrintPage += PrintDocument_PrintPage;
    }

    public void PrintHtmlDocumentWithImage(string htmlFilePath)
    {
        // 解析HTML文档，获取可绘制的对象
        var htmlParser = new HtmlParser();
        var document = htmlParser.ParseDocument(htmlFilePath);
        var drawableContent = document.GetDrawableContent();

        // 设置打印参数
        var printDialog = new PrintDialog();
        printDocument.PrinterSettings = printDialog.PrinterSettings;

        // 打印文档
        printDocument.Print();
    }

    private void PrintDocument_PrintPage(object sender, PrintPageEventArgs e)
    {
        // 获取当前页的可绘制内容
        var currentPageContent = GetContentForCurrentPage();

        // 绘制内容
        var graphics = e.Graphics;
        var pageBounds = e.PageBounds;
        var yOffset = 0;

        foreach (var content in currentPageContent)
        {
            if (content.Type == ContentType.Text)
            {
                // 绘制文本
                var textContent = (TextContent)content;
                graphics.DrawString(textContent.Text, textContent.Font, Brushes.Black, textContent.Position);
            }
            else if (content.Type == ContentType.Image)
            {
                // 绘制图像
                var imageContent = (ImageContent)content;
                graphics.DrawImage(imageContent.Image, imageContent.Position);
            }

            yOffset += content.Height;
        }

        // 检查是否还有下一页
        e.HasMorePages = HasMorePages();
    }

    private List<Content> GetContentForCurrentPage()
    {
        // 根据页面大小和内容长度，计算当前页的内容
        // 返回一个包含文本和图像的可绘制内容列表
    }

    private bool HasMorePages()
    {
        // 检查是否还有下一页需要打印
    }
}

public class HtmlParser
{
    public HtmlDocument ParseDocument(string htmlFilePath)
    {
        // 解析HTML文档，返回一个HtmlDocument对象
    }
}

public class HtmlDocument
{
    public List<Content> GetDrawableContent()
    {
        // 解析HTML文档，返回一个包含文本和图像的可绘制内容列表
    }
}

public abstract class Content
{
    public ContentType Type { get; set; }
    public int Height { get; set; }
}

public class TextContent : Content
{
    public string Text { get; set; }
    public Font Font { get; set; }
    public Point Position { get; set; }
}

public class ImageContent : Content
{
    public Image Image { get; set; }
    public Point Position { get; set; }
}

public enum ContentType
{
    Text,
    Image
}

public class Program
{
    public static void Main(string[] args)
    {
        var printExample = new PrintExample();
        printExample.PrintHtmlDocumentWithImage("path/to/html/file.html");
    }
}