NDBGJK5.0/Kingo.Plugins/内业变更/Kingo.Plugin.RasterToKOTilesApp/KoDataBase/PNGCompress.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kingo.Plugin.RasterToKOTilesApp.KoDataBase
{
    class PngQuant
    {
        public static void Run(Bitmap bitmap, MemoryStream ms, string path)
        {
            //string path = AppDomain.CurrentDomain.BaseDirectory + @"pngquant\pngquant.exe";
            Process process = new Process();
            process.StartInfo.FileName = path;
            process.StartInfo.Arguments = "256 --quality=20-30 -";
            process.StartInfo.CreateNoWindow = true;
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardInput = true;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;

            //process.OutputDataReceived += Process_OutputDataReceived;
            //process.ErrorDataReceived += Process_ErrorDataReceived;

            process.Start();
            //process.BeginErrorReadLine();
            //process.BeginOutputReadLine();

            using (MemoryStream stream = new MemoryStream())
            {
                bitmap.Save(stream, ImageFormat.Png);
                //stream.CopyTo(process.StandardInput.BaseStream);
                process.StandardInput.BaseStream.Write(stream.ToArray(), 0, Convert.ToInt32(stream.Length));
                process.StandardInput.Close();
            }

            process.StandardOutput.BaseStream.CopyTo(ms);
            string o = process.StandardOutput.ReadToEnd();
            string e = process.StandardError.ReadToEnd();

            process.WaitForExit();

            if (process != null)
            {
                process.Close();
            }

        }
    }
}