Baumer工业相机堡盟工业相机如何通过BGAPI SDK和微软图像压缩算法进行图像压缩保存（C#）

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;

//回调函数中直接将buffer转为Bitmap
#region//Convert BGAPI2.Buffer to Bitmap(it will reduce the additional cost time of callback function)
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap((int)mBufferFilled.Width, (int)mBufferFilled.Height, (int)mBufferFilled.Width, System.Drawing.Imaging.PixelFormat.Format8bppIndexed, (IntPtr)((ulong)mBufferFilled.MemPtr + mBufferFilled.ImageOffset));
System.Drawing.Imaging.ColorPalette palette = bitmap.Palette;
int nColors = 256;
for (int ix = 0; ix < nColors; ix++)
{
    uint Alpha = 0xFF;
    uint Intensity = (uint)(ix * 0xFF / (nColors - 1));
    palette.Entries[ix] = System.Drawing.Color.FromArgb((int)Alpha, (int)Intensity, (int)Intensity, (int)Intensity);
}
bitmap.Palette = palette;
string filenameBMP = mBufferFilled.Parent.Parent.Model + "_ImageMono8_" + mBufferFilled.FrameID + "_time_" + mBufferFilled.Timestamp + ".bmp";
string filenameBMP2 = strPath;
//将Bitmap图像转为Image
#region//Copy the Bitmap to a new Bitmap instance and add it to the list of bitmaps(memory) 
Bitmap clone = (Bitmap)bitmap.Clone();
BitmapData data = clone.LockBits(new Rectangle(0, 0, clone.Width, clone.Height), ImageLockMode.ReadOnly, clone.PixelFormat);
clone.UnlockBits(data);
Image image = clone; // 隐式类型转换
SaveImageForSpecifiedQuality(image , savePath, 75);//设置75%质量的压缩
#endregion

/// <summary>
/// 按指定的压缩质量及格式保存图片（微软的Image.Save方法保存到图片压缩质量为75)
/// </summary>
/// <param name="sourceImage">要保存的图片的Image对象</param>
/// <param name="savePath">图片要保存的绝对路径</param>
/// <param name="imageQualityValue">图片要保存的压缩质量，该参数的值为1至100的整数，数值越大，保存质量越好</param>
/// <returns>保存成功，返回true；反之，返回false</returns>
public bool SaveImageForSpecifiedQuality(System.Drawing.Image sourceImage, string savePath, int imageQualityValue)
{
    //以下代码为保存图片时，设置压缩质量
    EncoderParameters encoderParameters = new EncoderParameters();
    EncoderParameter encoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, imageQualityValue);
    encoderParameters.Param[0] = encoderParameter;
    try
    {
        ImageCodecInfo[] ImageCodecInfoArray = ImageCodecInfo.GetImageEncoders();
        ImageCodecInfo jpegImageCodecInfo = null;
        for (int i = 0; i < ImageCodecInfoArray.Length; i++)
        {
            if (ImageCodecInfoArray[i].FormatDescription.Equals("JPEG"))
            {
                jpegImageCodecInfo = ImageCodecInfoArray[i];
                break;
            }
        }
        sourceImage.Save(savePath, jpegImageCodecInfo, encoderParameters);
        return true;
    }
    catch
    {
        return false;
    }
}