PDF转图片(C#版本)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using O2S.Components.PDFRender4NET;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

---

namespace pdf2image.O2S.Components.PDFRender4NET
{
    public static class Program
    {
        public enum Definition
        {
            One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9, Ten = 10
        }

        
        public static void ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
            string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum = startPageNum;
            }

            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }

            pdfFile.Dispose();
        }

        public static void Main(string[] args)
        {
            ConvertPDF2Image("C:\FileServer\test.pdf", "C:\FileServer\", "test", 1, 5, ImageFormat.Jpeg, Definition.One);
        }

    }
}

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参考资料：

CSDN

https://blog.csdn.net/lqw_6/article/details/77990477

https://download.csdn.net/download/shi0090/4066107