柠檬铺

  using System.Web;
using System.Text;    public static class PSD2swfHelper
{
    /// <summary>
    /// 转换所有的页，图片质量80%
    /// </summary>
    /// <param name="pdfPath">PDF文件地址</param>
    /// <param name="swfPath">生成后的SWF文件地址</param>
    public static bool PDF2SWF(string pdfPath, string swfPath)
    {
        return PDF2SWF(pdfPath, swfPath, 1, GetPageCount(HttpContext.Current.Server.MapPath(pdfPath)), 80);
    }
        /// <summary>
    /// 转换前N页，图片质量80%
    /// </summary>
    /// <param name="pdfPath">PDF文件地址</param>
    /// <param name="swfPath">生成后的SWF文件地址</param>
    /// <param name="page">页数</param>
    public static bool PDF2SWF(string pdfPath, string swfPath, int page)
    {
        return PDF2SWF(pdfPath, swfPath, 1, page, 80);
    }
        /// <summary>
    /// PDF格式转为SWF
    /// </summary>
    /// <param name="pdfPath">PDF文件地址</param>
    /// <param name="swfPath">生成后的SWF文件地址</param>
    /// <param name="beginpage">转换开始页</param>
    /// <param name="endpage">转换结束页</param>
    private static bool PDF2SWF(string pdfPath, string swfPath, int beginpage, int endpage, int photoQuality)
    {
        string exe = HttpContext.Current.Server.MapPath("~/Bin/tools/pdf2swf-0.9.1.exe");
        pdfPath = HttpContext.Current.Server.MapPath(pdfPath);
        swfPath = HttpContext.Current.Server.MapPath(swfPath);
        if (!System.IO.File.Exists(exe) || !System.IO.File.Exists(pdfPath) || System.IO.File.Exists(swfPath))
        {
            return false;
        }
        StringBuilder ** = new StringBuilder();
        **.Append(" \"" + pdfPath + "\"");
        **.Append(" -o \"" + swfPath + "\"");
        **.Append(" -s flashversion=9");
        if (endpage > GetPageCount(pdfPath)) endpage = GetPageCount(pdfPath);
        **.Append(" -p " + "\"" + beginpage + "" + "-" + endpage + "\"");
        **.Append(" -j " + photoQuality);
        string Command = **.ToString();
        System.Diagnostics.Process p = new System.Diagnostics.Process();
        p.StartInfo.FileName = exe;
        p.StartInfo.Arguments = Command;
        p.StartInfo.WorkingDirectory = HttpContext.Current.Server.MapPath("~/Bin/");
        p.StartInfo.UseShellExecute = false;
        p.StartInfo.RedirectStandardError = true;
        p.StartInfo.CreateNoWindow = false;
        p.Start();
        p.BeginErrorReadLine();
        p.WaitForExit();
        p.Close();
        p.Dispose();
        return true;
    }
        /// <summary>
    /// 返回页数 
    /// </summary>
    /// <param name="pdfPath">PDF文件地址</param>
    private static int GetPageCount(string pdfPath)
    {
        byte[] buffer = System.IO.File.ReadAllBytes(pdfPath);
        int length = buffer.Length;
        if (buffer == null)
            return -1;
        if (buffer.Length <= 0)
            return -1;
        string pdfText = Encoding.Default.GetString(buffer);
        System.Text.RegularExpressions.Regex rx1 = new System.Text.RegularExpressions.Regex(@"/Type\s*/Page[^s]");
        System.Text.RegularExpressions.MatchCollection matches = rx1.Matches(pdfText);
        return matches.Count;
    }
}