DWObject.OpenSource(); DWObject.IfShowUI = false; DWObject.IfDisableSourceAfterAcquire = true; DWObject.PixelType = EnumDWT_PixelType.TWPT_BW; //Black - White image : EnumDWT_PixelType.TWPT_BW, GRAY image: EnumDWT_PixelType.TWPT_GRAY, RGB image: EnumDWT_PixelType.TWPT_RGB DWObject.AcquireImage();
function BeginScan(){
DWObject.OpenSource();
DWObject.IfShowUI = false; //set without user interface
DWObject.IfDisableSourceAfterAcquire = true;
DWObject.AcquireImage();
}
function DWObject_OnPostTransfer(){
DWObject.SaveAsBMP("C:\\temp.bmp",0);
}DWObject.SelectSource(); DWObject.OpenSource(); DWObject.IfShowUI = false; //Set Image Layout DWObject.Unit = EnumDWT_UnitType.TWUN_INCHES; DWObject.SetImageLayout(0, 0, 5, 5); DWObject.AcquireImage();
DWObject.OpenSourceManager();
for(i = 0, i<=DWObject.SourceCount - 1,i++){
if (DWObject.GetSourceNameItems(i) == "Specified device name")
DWObject.SelectSourceByIndex (i);
}
//if can't find the specified source, it'll select default source
DWObject.AcquireImage(); DWObject.IfShowUI = false; DWObject.IfDisableSourceAfterAcquire = true; DWObject.OpenSource(); DWObject.IfShowIndicator = false; DWObject.AcquireImage();
DWObject.SelectSource();
DWObject.OpenSource();
//Set XRESOLUTION current value.
DWObject.Capability = 0x1118; //ICAP_XRESOLUTION
DWObject.CapType = 5; //TWON_ONEVALUE
DWObject.CapValue = 300;
if (DWObject.CapSet == false){
alert( "Failed to set the x-resolution. " + DWObject.ErrorString);
}
//Set YRESOLUTION current value.
DWObject.Capability = 0x1119; //ICAP_YRESOLUTION
DWObject.CapType = 5; //TWON_ONEVALUE
DWObject.CapValue = 200;
if (DWObject.CapSet == false){
alert( "Failed to set the y-resolution." + DWObject.ErrorString);
}
DWObject.AcquireImage();DWObject = document.getElementById("dwtcontrolContainer");
//dwtcontrolContainer is the id of the Dynamic Web TWAIN on the page (An object or an embed).
function btnScan_onclick()
{
DWObject.SelectSource();
DWObject.OpenSource();
DWObject.AcquireImage();
}
function btnUpload_onclick()
{
var strActionPage;
var strHostIP;
var CurrentPathName = unescape(location.pathname); // get current PathName in
plain ASCII
var CurrentPath = CurrentPathName.substring(0, CurrentPathName.lastIndexOf("/")
+ 1);
strActionPage = CurrentPath + "SaveToFile.aspx"; //the ActionPage's file path
strHostIP = "localhost"; //The host's IP or name
DWObject.HTTPPort = 80;
DWObject.HTTPUploadThroughPost(strHostIP,0,strActionPage,"imageData.tif");
if (DWObject.ErrorCode != 0)
alert(DWObject.ErrorString);
else //succeed
alert("Image Uploaded successfully");
}var iDocumentCounter =0;
function BeginScan(){
DWObject.OpenSource();
DWObject.IfShowUI = false;
DWObject.IfDisableSourceAfterAcquire = true;
if(DWObject.Duplex != TWDX_NONE)
DWObject.IfDuplexEnabled = true; //enable duplex
DWObject.IfFeederEnabled = true;
if (DWObject.IfFeederEnabled == true){
DWObject.XferCount = -1;
if(DWObject.IfFeederLoaded == True)
DWObject.AcquireImage();
}
}
function DWObject_OnPosttransfer(){
iDocumentCounter = iDocumentCounter + 1;
if(DWObject.SaveAsBMP("C:\\Image\\" + iDocumentCounter + ".bmp", 0) == false)
alert( DWObject.ErrorString);
}function btnUpload_onclick()
{
DWObject.HTTPPort = 80;
DWObject.IfSSL = false; // if 80 is the port number of
non-secure port
/*
DWObject.HTTPPort = 443;
DWObject.IfSSL = true; // if 443 is the port number of secure
port
*/
DWObject.HTTPUploadThroughPost("127.0.0.1", 0,
"/SaveToFile.php", "imageData.jpg");
if (DWObject.ErrorCode != 0)
alert(DWObject.ErrorString);
else //succeed
alert("Successful");
}function Scan_Click(){
DWObject.AcquireImage();
}
function DWObject_OnPostTransfer(){
DWObject.CloseSource();
DWObject.IfTiffMultiPage = true;
DWObject.SaveAsTIFF("SaveAsTIFF.tif", 0);
if (DWObject.ErrorCode != 0)
alert (DWObject.ErrorString);
else //succeed
alert ("Successful");
}function NextImage_Click(){
if (DWObject.HowManyImagesInBuffer == 0)
alert ("There is no image in buffer");
DWObject.CurrentImageIndexInBuffer += 1;
}
13.如何进行双面扫描？
function DuplexScan_Click(){
DWObject.SelectSource();
DWObject.OpenSource();
DWObject.IfShowUI = false;
DWObject.IfDuplexEnabled = true; //enable duplex
DWObject.AcquireImage();
} 
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using (RasterCodecs codecs = new RasterCodecs())
{
codecs.Options.RasterizeDocument.Load.XResolution = 300;
codecs.Options.RasterizeDocument.Load.YResolution = 300;
RasterImage image = codecs.Load(inputFile);
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Professional, false))
{
ocrEngine.Startup(null, null, null, @"C:\LEADTOOLS 19\Bin\Common\OcrProfessionalRuntime64");
using (IOcrDocument document = ocrEngine.DocumentManager.CreateDocument())
{
document.Pages.AddPage(image, null);
document.Pages[0].Recognize(null);
IOcrPageCharacters pageCharacters = document.Pages[0].GetRecognizedCharacters();
for (int i = 0; i < document.Pages[0].Zones.Count; i++)
{
IOcrZoneCharacters zoneCharacters = pageCharacters.FindZoneCharacters(i);
if (zoneCharacters != null)
{
foreach (var ocrCharacter in zoneCharacters)
{
OcrCharacterPosition position;
position = ocrCharacter.Position;
if ((position & OcrCharacterPosition.EndOfLine) == OcrCharacterPosition.EndOfLine)
{
Console.Write(ocrCharacter.Code + "\n");
}
else
{
Console.Write(ocrCharacter.Code);
}
}
}
}
}
}
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| 功能 | 要求 |
| 主要功能 | Windows 98或更高 最低1.2GHzPentium或兼容CPU 256MB内存 50MB可用硬盘 SVGA显卡，256色 |
| 对电影或视图截图 | Windows 2000或更高（文件格式为NTFS） 最低2GHz Pentium或兼容CPU 1GB内存 30GB可用硬盘 专业版SVGA显卡，最低显存256MB （非集成显卡） |
沪公网安备31011202009668号 | 沪ICP备13020027号-2