基线 SVN r240

SVN-Revision: r240
2025-02-06 06:46:06 +00:00
commit ab56a9bcf7
5317 changed files with 902274 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Windows.Media.Imaging;
+
+namespace Lskj.Control.ZKFinger
+{
+    /// <summary>
+    /// 提供转换：包括：Bitmap和BitmapImage相互转换。
+    ///RenderTargetBitmap –> BitmapImage
+    ///ImageSource –> Bitmap
+    ///BitmapImage和byte[]相互转换。
+    ///byte[] –> Bitmap
+    /// </summary>
+    public class ImageTranslater
+    {
+        /// <summary>
+        ///   Bitmap --> BitmapImage
+        /// </summary>
+        /// <param name="bitmap"></param>
+        /// <returns></returns>
+        public static BitmapImage BitmapToBitmapImage(Bitmap bitmap)
+        {
+            MemoryStream ms = new MemoryStream();
+            bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
+            byte[] bytes;
+            bytes = ms.GetBuffer();
+            BitmapImage bi = null;
+            try
+            {
+                bi = new BitmapImage();
+                bi.BeginInit();
+                bi.StreamSource = new MemoryStream(bytes);
+                bi.EndInit();
+
+            }
+            catch
+            {
+                Console.WriteLine("转换错误");
+                bi = null;
+            }
+            return bi;
+
+        }
+
+
+        // BitmapImage --> Bitmap
+        //public static Bitmap BitmapImageToBitmap(BitmapImage bitmapImage)
+        //{
+        //    // BitmapImage bitmapImage = new BitmapImage(new Uri("../Images/test.png", UriKind.Relative));
+
+        //    using (MemoryStream outStream = new MemoryStream())
+        //    {
+        //        BitmapEncoder enc = new BmpBitmapEncoder();
+        //        enc.Frames.Add(BitmapFrame.Create(bitmapImage));
+        //        enc.Save(outStream);
+        //        Bitmap bitmap = new Bitmap(outStream);
+
+        //        return new Bitmap(bitmap);
+        //    }
+        //}
+
+        ///// <summary>
+        /////  byte数组转为bitmap
+        ///// </summary>
+        ///// <param name="byteArray"></param>
+        ///// <returns></returns>
+        //public static BitmapImage ByteArrayToBitmap(byte[] byteArray)
+        //{
+        //    BitmapImage bmp = null;
+        //    try
+        //    {
+        //        bmp = new BitmapImage();
+        //        bmp.BeginInit();
+        //        bmp.StreamSource = new MemoryStream(byteArray);
+        //        bmp.EndInit();
+        //    }
+        //    catch
+        //    {
+        //        bmp = null;
+        //    }
+        //    return bmp;
+        //}
+        ///// <summary>
+        ///// bitmap 转为byte数组
+        ///// </summary>
+        ///// <param name="bmp"></param>
+        ///// <returns></returns>
+        //public byte[] BitmapImageToByteArray(BitmapImage bmp)
+        //{
+        //    byte[] byteArray=null;
+        //    try
+        //    {
+        //        Stream st = bmp.StreamSource;
+        //        if (st != null && st.Length > 0)
+        //        {
+        //            st.Position = 0;
+        //            using(BinaryReader br=new BinaryReader(st))
+        //            {
+        //                byteArray = br.ReadBytes((int)st.Length);
+        //            }
+        //        }
+        //    }
+        //    catch
+        //    {
+        //        byteArray = null;
+        //        Console.WriteLine("转换失败");
+        //    }
+        //    return byteArray;
+        //}
+        /// <summary>
+        /// bitmapimage保存到指定路径的文件下
+        /// </summary>
+        /// <param name="bmp"></param>
+        /// <param name="filePath"></param>
+        public static void SaveBitmapImageIntoFile(BitmapImage bmp, string filePath)
+        {
+            BitmapEncoder encoder = new BmpBitmapEncoder();
+            encoder.Frames.Add(BitmapFrame.Create(bmp));
+            using (var fileStream = new System.IO.FileStream(filePath, System.IO.FileMode.Create))
+            {
+                encoder.Save(fileStream);
+            }
+
+        }
+    }
+}