利用摄像头拍照的ActiveX控件Cnet源代码

功能：使用电脑摄像头在线拍照控件（ActiveX控件）源代码，并能将生成的照片转换成Base64字符串以上传到服务器。调试环境：MicrosoftVisualStudio2005设计者：渝快数码日期：2016年1月21日网页中的调用方式：objectclassid=clsid:52A0BE1A-1ABA-4876-B5FC-CF402EBB50A1codebase=SetupCapture.msiwidth=320height=240id=takephoto//以下是拍照代码scriptvarobj=document.getElementById(takephoto);otxt=obj.make2();/script首先新建一个类库，名为：MakePhoto然后修改以下文件：//-------------------------------------------------------//文件名：Properties/AssemblyInfo.cs//--------------------------------------------------------usingSystem.Reflection;usingSystem.Runtime.CompilerServices;usingSystem.Runtime.InteropServices;usingSystem.Security;//有关程序集的常规信息通过下列属性集//控制。更改这些属性值可修改//与程序集关联的信息。[assembly:AssemblyTitle(MakePhoto)][assembly:AssemblyDescription()][assembly:AssemblyConfiguration()][assembly:AssemblyCompany()][assembly:AssemblyProduct(MakePhoto)][assembly:AssemblyCopyright(版权所有(C)2015)][assembly:AssemblyTrademark()][assembly:AssemblyCulture()]//将ComVisible设置为false使此程序集中的类型//对COM组件不可见。如果需要从COM访问此程序集中的类型，//则将该类型上的ComVisible属性设置为true。[assembly:ComVisible(true)]//如果此项目向COM公开，则下列GUID用于类型库的ID[assembly:Guid(86d26cf4-ae4e-4599-bbf7-e0ec72ab1b76)]//程序集的版本信息由下面四个值组成:////主版本//次版本//内部版本号//修订号////可以指定所有这些值，也可以使用“修订号”和“内部版本号”的默认值，//方法是按如下所示使用“*”:[assembly:AssemblyVersion(1.0.*)][assembly:AssemblyFileVersion(1.0.0.0)][assembly:AllowPartiallyTrustedCallers()]//---------------------//文件：InterfaceCapture.cs//------------------------usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingSystem.Runtime.InteropServices;namespaceMakePhoto{[ComImport,GuidAttribute(CB5BDC81-93C1-11CF-8F20-00805F2CD064)][InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]interfaceInterfaceCapture{[PreserveSig]intGetInterfaceSafetyOptions(refGuidriid,[MarshalAs(UnmanagedType.U4)]refintpdwSupportedOptions,[MarshalAs(UnmanagedType.U4)]refintpdwEnabledOptions);[PreserveSig()]intSetInterfaceSafetyOptions(refGuidriid,[MarshalAs(UnmanagedType.U4)]intdwOptionSetMask,[MarshalAs(UnmanagedType.U4)]intdwEnabledOptions);}}//---------------------------//控件设计：ykCapture.Designer.cs//---------------------------namespaceMakePhoto{partialclassykCapture{///summary///必需的设计器变量。////summaryprivateSystem.ComponentModel.IContainercomponents=null;///summary///清理所有正在使用的资源。////summary///paramname=disposing如果应释放托管资源，为true；否则为false。/paramprotectedoverridevoidDispose(booldisposing){if(disposing&&(components!=null)){components.Dispose();}base.Dispose(disposing);}#region组件设计器生成的代码///summary///设计器支持所需的方法-不要///使用代码编辑器修改此方法的内容。////summaryprivatevoidInitializeComponent(){this.SuspendLayout();////ykCapture//this.AutoScaleDimensions=newSystem.Drawing.SizeF(6F,12F);this.AutoScaleMode=System.Windows.Forms.AutoScaleMode.Font;this.Name=ykCapture;this.Size=newSystem.Drawing.Size(320,240);this.Load+=newSystem.EventHandler(this.ykCapture_Load);this.ResumeLayout(false);}#endregion}}//------------------------------//控件主程序：ykCapture.cs//--------------------------------usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Drawing;usingSystem.Data;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Runtime.InteropServices;usingSystem.Drawing.Imaging;namespaceMakePhoto{[Guid(52A0BE1A-1ABA-4876-B5FC-CF402EBB50A1)]publicpartialclassykCapture:UserControl,InterfaceCapture{Pickpick;publicykCapture(){InitializeComponent();}privatevoidykCapture_Load(objectsender,EventArgse){}publicvoidstart()//启动摄像头{pick=newPick(this.Handle,0,0,this.Width,this.Height);pick.Start();}publicvoidstop()//停止摄像头{pick.Stop();}publicstringmake2(){returnpick.Cap();}publicstringmake3(){Bitmapbmp=newBitmap(this.Width,this.Height);Graphicsg=Graphics.FromImage(bmp);g.CopyFromScreen(PointToScreen(newPoint(this.Left,this.Top)),newPoint(0,0),this.Size);System.IO.MemoryStreamms=newSystem.IO.MemoryStream();bmp.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);byte[]arr=newbyte[ms.Length];ms.Position=0;ms.Read(arr,0,(int)ms.Length);ms.Close();stringstrbase64=Convert.ToBase64String(arr);returnstrbase64;}publicstringGetBase64String(System.Drawing.Imageimage){System.IO.MemoryStreamms=newSystem.IO.MemoryStream();image.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);byte[]buffer=ms.ToArray();returnConvert.ToBase64String(buffer);}publicImageGetImageFromBase64String(stringImageText){if(ImageText.Length0){Byte[]bitmapData=newByte[ImageText.Length];//bitmapData=Convert.FromBase64String(FixBase64ForImage(ImageText));bitmapData=Convert.FromBase64String(ImageText);System.IO.MemoryStreamstreamBitmap=newSystem.IO.MemoryStream(bitmapData);//BitmapbitImage=newBitmap((Bitmap)Image.FromStream(streamBitmap));returnImage.FromStream(streamBitmap);}else{returnnull;}}publicstringmake(stringpath)//拍照{pick.GrabImage(path);returnpath;}#regionIObjectSafety成员privateconststring_IID_IDispatch={00020400-0000-0000-C000-000000000046};privateconststring_IID_IDispatchEx={a6ef9860-c720-11d0-9337-00a0c90dcaa9};privateconststring_IID_IPersistStorage={0000010A-0000-0000-C000-000000000046};privateconststring_IID_IPer