C#中 byte[] Image Bitmap之间的相互转化
/// <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 = http://www.cnblogs.com/peasana/archive/2012/02/13/null;
using
(MemoryStream ms= new MemoryStream())
{
using
(Bitmap Bitmap = new Bitmap(Image))
{
Bitmap.Save(ms, imageFormat);
ms.Position = 0;
data = http://www.cnblogs.com/peasana/archive/2012/02/13/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();
}
}
}