/// <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; } }
//Image转换Bitmap
1. Bitmap img = new Bitmap(imgSelect.Image);
2. Bitmap bmp = (Bitmap)pictureBox1.Image;
//Bitmap转换成Image
using System.IO;
private static System.Windows.Controls.Image Bitmap2Image(System.Drawing.Bitmap Bi) { MemoryStream ms = new MemoryStream(); Bi.Save(ms, System.Drawing.Imaging.ImageFormat.Png); BitmapImage bImage = new BitmapImage(); bImage.BeginInit(); bImage.StreamSource = new MemoryStream(ms.ToArray()); bImage.EndInit(); ms.Dispose(); Bi.Dispose(); System.Windows.Controls.Image i = new System.Windows.Controls.Image(); i.Source = bImage; return i ; }
//byte[] 转换 Bitmap 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(); } } //Bitmap转byte[] 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(); } } }