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本文由中国C#技术学习中心整理 如果你对本文有不明之处请到技术论坛讨论!
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;
using System.IO;
using System.Diagnostics;
using System.Windows.Forms.Design;
namespace Image
{
public class ImageConvert
{
public static void ShowThumbnail( string oldfile,
string newfile,
int h,
int w )
{
System.Drawing.Image img = System.Drawing.Image.FromFile( oldfile );
System.Drawing.Image.GetThumbnailImageAbort myCallback = new System.Drawing.Image.GetThumbnailImageAbort( ThumbnailCallback );
int oldh = img.Height;
int oldw = img.Width;
int newh,neww;
double h1 = oldh*1.0/h;
double w1 = oldw*1.0/w;
double f = ( h1>w1 )? h1:w1;
if( f < 1.0 )
{
newh = oldh;
neww = oldw;
}
else
{
newh = ( int )( oldh/f );
neww = ( int )( oldw/f );
}
System.Drawing.Image myThumbnail = img.GetThumbnailImage( neww, newh, myCallback, IntPtr.Zero );
myThumbnail.Save( newfile, System.Drawing.Imaging.ImageFormat.Jpeg );
img.Dispose( );
myThumbnail.Dispose( );
}
private static bool ThumbnailCallback( )
{
return false;
}
}
public class FolderDialog : FolderNameEditor
{
FolderNameEditor.FolderBrowser fDialog = new System.Windows.Forms.Design.FolderNameEditor.FolderBrowser( );
public FolderDialog( )
{
}
public DialogResult DisplayDialog( )
{
return DisplayDialog( "请选择一个文件夹" );
}
public DialogResult DisplayDialog( string description )
{
fDialog.Description = description;
return fDialog.ShowDialog( );
}
public
string Path
{
get
{
return fDialog.DirectoryPath;
}
}
~FolderDialog( )
{
fDialog.Dispose( );
}
}
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.LinkLabel linkLabel1;
private System.Windows.Forms.LinkLabel linkLabel2;
private System.Windows.Forms.TextBox path1;
private System.Windows.Forms.TextBox path2;
private System.Windows.Forms.TextBox width;
private System.Windows.Forms.TextBox height;
private System.Windows.Forms.ListView listView1;
private System.Windows.Forms.LinkLabel linkLabel3;
private System.Windows.Forms.LinkLabel linkLabel4;
private System.Windows.Forms.ColumnHeader columnHeader1;
private System.Windows.Forms.ColumnHeader columnHeader2;
private System.Windows.Forms.ColumnHeader columnHeader3;
private System.Windows.Forms.ColumnHeader columnHeader4;
private System.Windows.Forms.ColumnHeader columnHeader5;
private System.Windows.Forms.ColumnHeader columnHeader6;
private ArrayList threads = new ArrayList( );
private ArrayList images = new ArrayList( );
private System.ComponentModel.Container components = null;
public Form1( )
{
InitializeComponent( );
InitializeComponent 调用后添加任何构造函数代码
}
protected override void Dispose(bool disposing)
{
if(disposing)
{
if ( components != null )
{
components.Dispose( );
}
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
private void
InitializeComponent( )
{
this.linkLabel1 = new System.Windows.Forms.LinkLabel( );
this.linkLabel2 = new System.Windows.Forms.LinkLabel( );
this.path1 = new System.Windows.Forms.TextBox( );
this.path2 = new System.Windows.Forms.TextBox( );
this.width = new System.Windows.Forms.TextBox( );
this.height = new System.Windows.Forms.TextBox( );
this.listView1 = new System.Windows.Forms.ListView( );
this.linkLabel3 = new System.Windows.Forms.LinkLabel( );
this.linkLabel4 = new System.Windows.Forms.LinkLabel( );
this.columnHeader1 = new System.Windows.Forms.ColumnHeader( );
this.columnHeader2 = new System.Windows.Forms.ColumnHeader( );
this.columnHeader3 = new System.Windows.Forms.ColumnHeader( );
this.columnHeader4 = new System.Windows.Forms.ColumnHeader( );
this.columnHeader5 = new System.Windows.Forms.ColumnHeader( );
this.columnHeader6 = new System.Windows.Forms.ColumnHeader( );
this.SuspendLayout( );
this.linkLabel1.Location = new System.Drawing.Po
int( 456, 16 );
this.linkLabel1.Name = "linkLabel1";
this.linkLabel1.Size = new System.Drawing.Size( 32, 16 );
this.linkLabel1.TabIndex = 0;
this.linkLabel1.TabStop = true;
this.linkLabel1.Text = "浏览";
this.linkLabel1.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.linkLabel1_LinkClicked );
this.linkLabel2.Location = new System.Drawing.Po
int( 456, 48 );
this.linkLabel2.Name = "linkLabel2";
this.linkLabel2.Size = new System.Drawing.Size( 32, 16 );
this.linkLabel2.TabIndex = 1;
this.linkLabel2.TabStop = true;
this.linkLabel2.Text = "浏览";
this.linkLabel2.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.linkLabel2_LinkClicked );
this.path1.Location = new System.Drawing.Po
int( 16, 16 );
this.path1.Name = "path1";
this.path1.Size = new System.Drawing.Size( 432, 21 );
this.path1.TabIndex = 2;
this.path1.Text = "";
this.path2.Location = new System.Drawing.Po
int( 16, 48 );
this.path2.Name = "path2";
this.path2.Size = new System.Drawing.Size( 432, 21 );
this.path2.TabIndex = 3;
this.path2.Text = "";
this.width.Location = new System.Drawing.Po
int( 80, 80 );
this.width.Name = "width";
this.width.Size = new System.Drawing.Size( 72, 21 );
this.width.TabIndex = 4;
this.width.Text = "";
this.height.Location = new System.Drawing.Po
int( 216, 80 );
this.height.Name = "height";
this.height.Size = new System.Drawing.Size( 72, 21 );
this.height.TabIndex = 5;
this.height.Text = "";
this.listView1.Columns.AddRange( new System.Windows.Forms.ColumnHeader[]
{
this.columnHeader1,
this.columnHeader2,
this.columnHeader3,
this.columnHeader4,
this.columnHeader5,
this.columnHeader6
}
);
this.listView1.Location = new System.Drawing.Po
int( 16, 112 );
this.listView1.Name = "listView1";
this.listView1.Size = new System.Drawing.Size( 472, 152 );
this.listView1.TabIndex = 6;
this.listView1.View = System.Windows.Forms.View.Details;
this.linkLabel3.Location = new System.Drawing.Po
int( 304, 80 );
this.linkLabel3.Name = "linkLabel3";
this.linkLabel3.Size = new System.Drawing.Size( 32, 16 );
this.linkLabel3.TabIndex = 7;
this.linkLabel3.TabStop = true;
this.linkLabel3.Text = "添加";
this.linkLabel3.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.linkLabel3_LinkClicked );
this.linkLabel4.Location = new System.Drawing.Po
int( 376, 80 );
this.linkLabel4.Name = "linkLabel4";
this.linkLabel4.Size = new System.Drawing.Size( 32, 16 );
this.linkLabel4.TabIndex = 8;
this.linkLabel4.TabStop = true;
this.linkLabel4.Text = "开始";
this.linkLabel4.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.linkLabel4_LinkClicked );
this.columnHeader1.Text = "源";
this.columnHeader1.Width = 122;
this.columnHeader2.Text = "目的";
this.columnHeader2.Width = 121;
this.columnHeader3.Text = "宽";
this.columnHeader3.Width = 49;
this.columnHeader4.Text = "高";
this.columnHeader4.Width = 42;
this.columnHeader5.Text = "文件数";
this.columnHeader6.Text = "完成数";
this.AutoScaleBaseSize = new System.Drawing.Size( 6, 14 );
this.ClientSize = new System.Drawing.Size( 504, 294 );
this.Controls.Add( this.linkLabel4 );
this.Controls.Add( this.linkLabel3 );
this.Controls.Add( this.listView1 );
this.Controls.Add( this.height );
this.Controls.Add( this.width );
this.Controls.Add( this.path2 );
this.Controls.Add( this.path1 );
this.Controls.Add( this.linkLabel2 );
this.Controls.Add( this.linkLabel1 );
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout( false );
}
#endregion
{
Application.Run( new Form1( ) );
}
private void linkLabel1_LinkClicked( object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e )
{
FolderDialog dlg = new FolderDialog( );
if( dlg.DisplayDialog( )==DialogResult.OK )
path1.Text = dlg.Path;
}
private void linkLabel2_LinkClicked( object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e )
{
FolderDialog dlg = new FolderDialog( );
if( dlg.DisplayDialog( )==DialogResult.OK )
path2.Text = dlg.Path;
}
private void linkLabel3_LinkClicked( object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e )
{
string[] img = Directory.GetFiles( path1.Text, "*.jpg" );
listView1.Items.Add( new ListViewItem( new
string[]
{
path1.Text, path2.Text, width.Text, height.Text, img.Length.ToString( ), "0"
}
) );
}
private void linkLabel4_LinkClicked( object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e )
{
foreach( ListViewItem item in listView1.Items )
{
Thread t = new Thread( new ThreadStart( Process ) );
t.Start( );
threads.Add( t );
}
}
private void Process( )
{
int index = threads.IndexOf( Thread.CurrentThread );
ListViewItem item = listView1.Items[index];
string path1 = item.SubItems[0].Text;
string path2 = item.SubItems[1].Text;
int width =
int.Parse( item.SubItems[2].Text );
int height =
int.Parse( item.SubItems[3].Text );
int i = 0;
foreach( string file1 in Directory.GetFiles( path1, "*.jpg" ) )
{
i++;
string file2 = path2 + @"" + Path.GetFileName( file1 );
ImageConvert.ShowThumbnail( file1,file2, height, width );
lock( listView1 )
{
listView1.Items[index].SubItems[5].Text = i.ToString( );
}
}
}
}
}
Release版下载地址：http://asp2004.net/temp/Image.exe
本文由中国C#技术学习中心整理 如果你对本文有不明之处请到技术论坛讨论!
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