TIF图像转PDF文件的工具

[c#]代码库

using System;
using System.Collections.Generic;
using System.IO;
 
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.codec;
 
namespace TIFtoPDF
{
    class Program
    {
        //将多个tif文件合并成一个pdf文件
        private static void tifToPdf(IEnumerable<string> arr, string sFilePdf)
        {
            FileInfo _toFile = new FileInfo(sFilePdf);
            // 创建一个文档对象
            Document doc = new Document(PageSize.A3, 0, 0, 0, 0);
            int pages = 0;
            FileStream fs=new FileStream(sFilePdf,FileMode.OpenOrCreate);
            // 定义输出位置并把文档对象装入输出对象中
            PdfWriter writer = PdfWriter.GetInstance(doc, fs);
            // 打开文档对象
            doc.Open();
            foreach(string sFileTif in arr)
            {
                PdfContentByte cb = writer.DirectContent;
                RandomAccessFileOrArray ra = new RandomAccessFileOrArray(sFileTif);
                int comps = TiffImage.GetNumberOfPages(ra);
                for (int c = 0; c < comps; ++c)
                {
                    Image img = TiffImage.GetTiffImage(ra, c + 1);
                    if (img != null)
                    {
                        img.ScalePercent(7200f / img.DpiX, 7200f / img.DpiY);
                        doc.SetPageSize(new Rectangle(img.ScaledWidth, img
                            .ScaledHeight));
                        img.SetAbsolutePosition(0,0);
                        cb.AddImage(img);
                        doc.NewPage();
                        ++pages;
                    }
                }
                ra.Close();// 关闭
            }
            // 关闭文档对象，释放资源
            doc.Close();
        }
         
        public static void Main(string[] args)
        {
            tifToPdf(new string[]{@"C:\test.tif"},@"C:\test.pdf");
        }
    }
}

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