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using Leadtools;
using Leadtools.Codecs;
using Leadtools.Forms;
using Leadtools.Barcode;
using Leadtools.ImageProcessing;
public void BarcodeData_GetDataExample()
{
string imageFileName = Path.Combine(LEAD_VARS.ImagesDir, "Barcode2.tif");
// Create a Barcode engine
BarcodeEngine engine = new BarcodeEngine();
// Load the image
using (RasterCodecs codecs = new RasterCodecs())
{
using (RasterImage image = codecs.Load(imageFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1))
{
// Read the first QR barcode from the image
BarcodeData data = engine.Reader.ReadBarcode(image, LogicalRectangle.Empty, BarcodeSymbology.QR);
// Show the barcode data found (if any)
if (data != null)
{
Console.WriteLine("Raw data is:");
byte[] bytes = data.GetData();
if (bytes != null)
{
string text = System.Text.Encoding.UTF8.GetString(bc);
Console.WriteLine(text);
}
else
{
Console.WriteLine("Empty");
}
}
else
{
Console.WriteLine("No barcode found");
}
}
}
}

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | <title data-filtered="filtered">Hello World</title><script type="text/javascript" src="Resources/dynamsoft.webtwain.initiate.js" data-filtered="filtered"> </script><script type="text/javascript" src="Resources/dynamsoft.webtwain.config.js" data-filtered="filtered"> </script><input type="button" value="Scan" onclick="AcquireImage();"><div id="dwtcontrolContainer"> </div><script type="text/javascript" data-filtered="filtered"> var DWObject; function Dynamsoft_OnReady(){ DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer'); } function AcquireImage(){ if(DWObject) { DWObject.IfDisableSourceAfterAcquire = true; DWObject.SelectSource(); DWObject.OpenSource(); DWObject.AcquireImage(); } } </script> |
1 | Dynamsoft.WebTwainEnv.Containers = [{ContainerId:'dwtcontrolContainer',Width:270,Height:350}]; |
1 | Dynamsoft.WebTwainEnv.Containers = [{ContainerId:'dwtcontrolContainer',Width: '50%',Height:350}]; |

1 2 3 4 5 6 | .DYNLogo { background:url(logo.gif) left top no-repeat; width:159px; height:39px; } |

1 2 3 4 5 6 7 8 9 10 11 12 | function OnWebTwainNotFoundOnWindowsCallback(ProductName, InstallerUrl, bHTML5, bIE, bSafari, bSSL,strIEVersion) { } /* This callback is triggered when Dynamic Web TWAIN is not installed on a PC running Windows */ function OnWebTwainNotFoundOnMacCallback(ProductName, InstallerUrl, bHTML5, bIE, bSafari, bSSL,strIEVersion) { } /* This callback is triggered when Dynamic Web TWAIN is not installed on a MAC */ function OnWebTwainOldPluginNotAllowedCallback(ProductName) { } /* This callback is triggered when Dynamic Web TWAIN is disabled by a non-IE browser */ function OnWebTwainNeedUpgradeCallback(ProductName, InstallerUrl, bHTML5, bMac, bIE, bSafari, bSSL,strIEVersion) { } /* This callback is triggered when Dynamic Web TWAIN installed on the machine is older than the //one onthe server and upgrade is needed */ |
本次教程到此结束,希望能对Dynamic Web TWAIN的用户带来帮助,接下来还会有更多的相关教程,敬请期待!
