标签:MemoryStream C# Image Bitmap ms new byte
https://my.oschina.net/smartsmile/blog/814810
//Image转换Bitmap //1. Bitmap img = new Bitmap(imgSelect.Image); //2. Bitmap bmp = (Bitmap)pictureBox1.Image; /// <summary> /// 将图片Image转换成Byte[] /// </summary> /// <param name="Image">image对象</param> /// <param name="imageFormat">后缀名</param> /// <returns></returns> public static byte[] ImageToBytes(Image Image, System.Drawing.Imaging.ImageFormat imageFormat) { if (Image == null) { return null; } byte[] data = null; using (MemoryStream ms = new MemoryStream()) { using (Bitmap Bitmap = new Bitmap(Image)) { Bitmap.Save(ms, imageFormat); ms.Position = 0; data = new byte[ms.Length]; ms.Read(data, 0, Convert.ToInt32(ms.Length)); ms.Flush(); } } return data; } /// <summary> /// byte[]转换成Image /// </summary> /// <param name="byteArrayIn">二进制图片流</param> /// <returns>Image</returns> public static System.Drawing.Image byteArrayToImage(byte[] byteArrayIn) { if (byteArrayIn == null) return null; using (System.IO.MemoryStream ms = new System.IO.MemoryStream(byteArrayIn)) { System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms); ms.Flush(); return returnImage; } } /// <summary> /// byte[] 转换 Bitmap /// </summary> /// <param name="Bytes">byte[]</param> /// <returns></returns> public static Bitmap BytesToBitmap(byte[] Bytes) { MemoryStream stream = null; try { stream = new MemoryStream(Bytes); return new Bitmap((Image)new Bitmap(stream)); } catch (ArgumentNullException ex) { throw ex; } catch (ArgumentException ex) { throw ex; } finally { stream.Close(); } } /// <summary> /// Bitmap转byte[] /// </summary> /// <param name="Bitmap">Bitmap</param> /// <returns></returns> public static byte[] BitmapToBytes(Bitmap Bitmap) { MemoryStream ms = null; try { ms = new MemoryStream(); Bitmap.Save(ms, Bitmap.RawFormat); byte[] byteImage = new Byte[ms.Length]; byteImage = ms.ToArray(); return byteImage; } catch (ArgumentNullException ex) { throw ex; } finally { ms.Close(); } }
标签:MemoryStream,C#,Image,Bitmap,ms,new,byte 来源: https://www.cnblogs.com/LuoCore/p/15261652.html
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