add-添加照片压缩

SlnMesnac.Business/LogoBusiness.cs

@@ -179,7 +179,9 @@ namespace SlnMesnac.Business
                     ImageData = FileHelper.FindPhoto(config.CameraFilePath);
                     if (ImageData != null)
                     {
-                        FileHelper.SaveImage(ImageData, materialCodeStr + ".jpg", PicturePath);
+                        // 图片压缩
+                        byte[] compressedImageData = FileHelper.CompressImageData(ImageData, 20);
+                        FileHelper.SaveImage(compressedImageData, materialCodeStr + ".jpg", PicturePath);
                         RefreshPictureEvent?.Invoke(ImageData);
                     }
                     else

SlnMesnac.Common/FileHelper.cs

@@ -1,13 +1,66 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
 using System.IO;
 using System.Text;
+using Encoder = System.Drawing.Imaging.Encoder;
 
 namespace SlnMesnac.Common
 {
     public static class FileHelper
     {
+        #region
+        /// <summary>
+        ///quality: 0-100 ,越小压缩程度也越高，但是图片质量越低
+        /// </summary>
+        /// <param name="imageData"></param>
+        /// <param name="quality"></param>
+        /// <returns></returns>
+        public static byte[] CompressImageData(byte[] imageData, long quality)
+        {
+            try
+            {
+                using (MemoryStream memoryStream = new MemoryStream(imageData))
+                {
+                    using (Image image = Image.FromStream(memoryStream))
+                    {
+                        using (MemoryStream compressedStream = new MemoryStream())
+                        {
+                            ImageCodecInfo jpgEncoder = GetEncoder(ImageFormat.Jpeg);
+
+                            Encoder myEncoder = Encoder.Quality;
+                            EncoderParameters myEncoderParameters = new EncoderParameters(1);
+                            EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, quality);
+                            myEncoderParameters.Param[0] = myEncoderParameter;
+
+                            image.Save(compressedStream, jpgEncoder, myEncoderParameters);
+                            return compressedStream.ToArray();
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"压缩图片出错：{ex.Message}");
+                return null;
+            }
+        }
+
+        private static ImageCodecInfo GetEncoder(ImageFormat format)
+        {
+            ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();
 
+            foreach (ImageCodecInfo codec in codecs)
+            {
+                if (codec.FormatID == format.Guid)
+                {
+                    return codec;
+                }
+            }
+            return null;
+        }
+        #endregion
 
         /// <summary>
         /// 查找指定目录下的文件

SlnMesnac.Common/GunHelper.cs

@@ -15,6 +15,14 @@ namespace SlnMesnac.Common
 
         #region 单例实现
         private static readonly GunHelper lazy = new GunHelper();
+        public static GunHelper Instance
+        {
+            get
+            {
+                return lazy;
+            }
+        }
+        #endregion
 
         #region 变量定义
         private static SerialPort serialPort = new SerialPort();
@@ -29,14 +37,7 @@ namespace SlnMesnac.Common
         public delegate void RefreshMaterialCodeStr(string code);
         public static event RefreshMaterialCodeStr RefreshMaterialCodeStrEvent;
 
-        public static GunHelper Instance
+    
-        {
-            get
-            {
-                return lazy;
-            }
-        }
-        #endregion
 
         private DebugConfig config = DebugConfig.Instance;
 

SlnMesnac.Common/ImageHelper.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Text;
+
+namespace SlnMesnac.Common
+{
+    public  class ImageHelper
+    {
+        #region 单例实现
+        private static readonly ImageHelper lazy = new ImageHelper();
+        public static ImageHelper Instance
+        {
+            get
+            {
+                return lazy;
+            }
+        }
+        #endregion
+
+        public void CompressImage(string sourceImagePath, string destinationPath, long quality)
+        {
+            using (Image image = Image.FromFile(sourceImagePath))
+            {
+                ImageCodecInfo jpgEncoder = GetEncoder(ImageFormat.Jpeg);
+
+                System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
+                EncoderParameters myEncoderParameters = new EncoderParameters(1);
+                EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, quality);
+                myEncoderParameters.Param[0] = myEncoderParameter;
+
+                image.Save(destinationPath, jpgEncoder, myEncoderParameters);
+            }
+        }
+
+        private ImageCodecInfo GetEncoder(ImageFormat format)
+        {
+            ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();
+
+            foreach (ImageCodecInfo codec in codecs)
+            {
+                if (codec.FormatID == format.Guid)
+                {
+                    return codec;
+                }
+            }
+            return null;
+        }
+
+
+    }
+
+}

SlnMesnac.WPF/ViewModel/IndexViewModel.cs

@@ -75,9 +75,7 @@ namespace SlnMesnac.WPF.ViewModel
         /// <exception cref="NotImplementedException"></exception>
         private void Reset()
         {
-           
+            logoBusiness.Pass();
-          
-           logoBusiness.Pass();
         }
 
         /// <summary>