byte,bitmap,image互转
/// <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();
}
}
}
byte,bitmap,image互转的更多相关文章
- Bitmap byte[] InputStream Drawable 互转
import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStrea ...
- java中byte和blob互转
1. btye[]转blob byte[] bs = ... Blob blob = conn.createBlob(); blob.setBytes(1, bs); ps.setBlob(2, bl ...
- C# byte[]与char[]、string与char[]、byte[] 与 string 互转
1. byte array -> char array Byte[] b=new byte[5]{0x01,0x02,0x03,0x04,0x05}; Char[] c=Encoding.AS ...
- Bitmap Byte[] 互转
严正声明:作者:psklf出处: http://www.cnblogs.com/psklf/p/5889978.html欢迎转载,但未经作者同意,必须保留此段声明:必须在文章中给出原文连接:否则必究法 ...
- 【转】Drawable /Bitmap、String/InputStream、Bitmap/byte[]
原文:http://wuxiaolong.me/2015/08/10/Drawable-to-Bitmap/ Drawable互转Bitmap Drawable转Bitmap 1234 Resourc ...
- Android Drawable、Bitmap、byte[]之间的转换
转自http://blog.csdn.net/june5253/article/details/7826597 1.Bitmap-->Drawable Bitmap drawable2Bitma ...
- Android中Bitmap,byte[],Drawable相互转化
一.相关概念 1.Drawable就是一个可画的对象,其可能是一张位图(BitmapDrawable),也可能是一个图形(ShapeDrawable),还有可能是一个图层(LayerDrawable) ...
- 【Android】[转] Android中Bitmap,byte[],Drawable相互转化
一.相关概念 1.Drawable就是一个可画的对象,其可能是一张位图(BitmapDrawable),也可能是一个图形(ShapeDrawable),还有可能是一个图层(LayerDrawable) ...
- C# Bitmap类型与Byte[]类型相互转化
Bitmap => byte[] Bitmap b = new Bitmap( "test.bmp "); MemoryStream ms = new Memory ...
随机推荐
- csuoj 1396: Erase Securely
http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1396 1396: Erase Securely Time Limit: 1 Sec Memory ...
- 2.session与cookie的区别?
session:储存用户访问的全局唯一变量,存储在服务器上的php指定的目录中的(session_dir)的位置进行的存放 cookie:用来存储连续訪問一个頁面时所使用,是存储在客户端,对于Cook ...
- XStream xml转java对象
1:引入jar qn <dependency> <groupId>xstream</groupId> <artifactId>xstream</a ...
- 夺命雷公狗—angularjs—25—angular内置的方法(高级)
查看版本信息 angular.version console.log(angular.version); 判断是否相等 angular.equals() var str1 = ''; var str2 ...
- CDC spyglass
SoC中会有着几百的clock domains,millions的async data crossing. Glitch等cdc问题是netlist level simulation的主要目的. CD ...
- html里那些细节
target="_top",项目是frameset形式写的,用这个在跳转的时候从父框架跳转
- Azure Deploy
http://msdn.microsoft.com/en-us/library/dn408531.aspx https://www.windowsazure.com/en-us/documentati ...
- 作为一个web开发人员,哪些技术细节是在发布站点前你需要考虑到的
前日在cnblogs上看到一遍文章<每个程序员都必读的12篇文章>,其中大多数是E文的. 先译其中一篇web相关的”每个程序员必知之WEB开发”. 原文: http://programme ...
- android小功能:checkbox使用自己的背景点击切换背景
xiazai_checkbox.xml <?xml version="1.0" encoding="utf-8"?> <selector xm ...
- 获取url中的参数\+发送ajax请求根路径|+获取复选框的值
//获取url中的参数function getUrlParam(name) { var reg = new RegExp("(^|&)" + name + "=( ...