public bool EnableGroupMode { get; set; }
@property (nonatomic, assign) BOOL enableGroupMode;
public boolean getEnableGroupMode()
public void setEnableGroupMode(boolean value)
EnableGroupMode # get and set (PDF417BarcodeWriteOptions)
true to enable group mode when writing PDF417 barcodes. Otherwise, false.. The default value is false.
To enable group mode, set the value of EnableGroupMode to true and set the group code required in PDF417BarcodeData.Group before writing the barcode.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Barcode;
using Leadtools.ImageProcessing;
public void PDF417Barcode_Example()
{
string imageFileName = Path.Combine(LEAD_VARS.ImagesDir, "MyPDF417Barcodes.tif");
BarcodeEngine engine = new BarcodeEngine();
// Create the image to write the barcodes to
int resolution = 300;
using (RasterImage image = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White)))
{
// Write two PDF417 barcodes
WriteBarcode(engine.Writer, image, "DATA1", 10, 10, true);
WriteBarcode(engine.Writer, image, "DATA2", 20, 20, false);
// Save the image
using (RasterCodecs codecs = new RasterCodecs())
{
codecs.Save(image, imageFileName, RasterImageFormat.CcittGroup4, 1);
}
}
// Now read the barcodes again
using (RasterCodecs codecs = new RasterCodecs())
{
using (RasterImage image = codecs.Load(imageFileName))
{
ReadBarcodes(engine.Reader, image);
}
}
}
private void WriteBarcode(BarcodeWriter writer, RasterImage image, string value, int rows, int columns, bool topLeft)
{
// Create the barcode data
PDF417BarcodeData barcode = new PDF417BarcodeData();
barcode.Value = value;
barcode.Group = 0;
barcode.Symbology = BarcodeSymbology.PDF417;
// We will use the alignment to position the barcodes, so use all of the image
barcode.Bounds = new LeadRect(0, 0, image.ImageWidth, image.ImageHeight);
// Set the write options
PDF417BarcodeWriteOptions options = new PDF417BarcodeWriteOptions();
if (topLeft)
{
options.HorizontalAlignment = BarcodeAlignment.Near;
options.VerticalAlignment = BarcodeAlignment.Near;
}
else
{
options.HorizontalAlignment = BarcodeAlignment.Far;
options.VerticalAlignment = BarcodeAlignment.Far;
}
options.Truncated = false;
options.EnableGroupMode = false;
options.SymbolWidthAspectRatio = 2;
options.SymbolHeightAspectRatio = 1;
options.LimitByRowsAndColumns = true;
options.Rows = rows;
options.Columns = columns;
options.XModule = 30;
options.XModuleAspectRatio = 3;
options.ECCLevel = PDF417BarcodeECCLevel.Level0;
options.ECCPercentage = 0;
// Write it
Console.WriteLine("Writing barcode with symbol rows/columns: {0}/{1} and Data: {2}", rows, columns, value);
writer.WriteBarcode(image, barcode, options);
}
private void ReadBarcodes(BarcodeReader reader, RasterImage image)
{
// Setup read options
PDF417BarcodeReadOptions options = new PDF417BarcodeReadOptions();
options.SearchDirection = BarcodeSearchDirection.Horizontal;
options.EnableDoublePass = false;
options.EnableFastMode = false;
options.ReadMode = PDF417BarcodeReadMode.Mode0;
options.ReturnCorruptedSymbolArea = false;
options.ReadOptionalMacroFileNameField = false;
options.ReadOptionalMacroSegmentCountField = false;
options.ReadOptionalMacroTimestampField = false;
options.ReadOptionalMacroSenderField = false;
options.ReadOptionalMacroAddresseeField = false;
options.ReadOptionalMacroFileSizeField = false;
options.ReadOptionalMacroChecksumField = false;
options.ReadOptionalMacro79AndAZField = false;
options.EnableDoublePassIfSuccess = true;
options.EnableNoIndicatorTrail = true;
options.EnablePreprocessing = true;
Console.WriteLine("Reading Barcodes");
BarcodeData[] barcodes = reader.ReadBarcodes(image, LeadRect.Empty, 0, new BarcodeSymbology[] { BarcodeSymbology.PDF417 }, new BarcodeReadOptions[] { options });
Console.WriteLine("{0} barcodes found:", barcodes.Length);
foreach (PDF417BarcodeData barcode in barcodes)
{
Console.WriteLine(" At {0} data: {1} and symbology: {2}", barcode.Bounds, barcode.Value, barcode.Symbology);
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import org.junit.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import leadtools.*;
import leadtools.barcode.*;
import leadtools.codecs.*;
public void pdf417Barcode_Example() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
String imageFileName = combine(LEAD_VARS_IMAGES_DIR, "MyPDF417Barcodes.tif");
BarcodeEngine engine = new BarcodeEngine();
// Create the image to write the barcodes to
int resolution = 300;
RasterImage image = RasterImage.create((int) (8.5 * resolution), (int) (11.0 * resolution), 1, resolution,
RasterColor.fromKnownColor(RasterKnownColor.WHITE));
// Write two PDF417 barcodes
writeBarcode(engine.getWriter(), image, "DATA1", 10, 10, true);
writeBarcode(engine.getWriter(), image, "DATA2", 20, 20, false);
// Save the image
RasterCodecs codecs = new RasterCodecs();
codecs.save(image, imageFileName, RasterImageFormat.CCITT_GROUP4, 1);
assertTrue("image unsuccessfully saved", new File(imageFileName).exists());
System.out.println("Command run and image saved to " + imageFileName);
// Now read the barcodes again
image = codecs.load(imageFileName);
readBarcodes(engine.getReader(), image);
image.dispose();
codecs.dispose();
}
// Create the barcode data
private void writeBarcode(BarcodeWriter writer, RasterImage image, String value, int rows, int columns, boolean topLeft) {
PDF417BarcodeData barcode = new PDF417BarcodeData();
barcode.setValue(value);
barcode.setGroup(0);
barcode.setSymbology(BarcodeSymbology.PDF417);
// We will use the alignment to position the barcodes, so use all of the image
barcode.setBounds(new LeadRect(0, 0, image.getImageWidth(), image.getImageHeight()));
// Set the write options
PDF417BarcodeWriteOptions options = new PDF417BarcodeWriteOptions();
if (topLeft) {
options.setHorizontalAlignment(BarcodeAlignment.NEAR);
options.setVerticalAlignment(BarcodeAlignment.NEAR);
} else {
options.setHorizontalAlignment(BarcodeAlignment.FAR);
options.setVerticalAlignment(BarcodeAlignment.FAR);
}
options.setTruncated(false);
options.setEnableGroupMode(false);
options.setSymbolWidthAspectRatio(2);
options.setSymbolHeightAspectRatio(1);
options.setLimitByRowsAndColumns(true);
options.setRows(rows);
options.setColumns(columns);
options.setXModule(30);
options.setXModuleAspectRatio(3);
options.setECCLevel(PDF417BarcodeECCLevel.LEVEL0);
options.setECCPercentage(0);
// Write it
System.out.printf("Writing barcode with symbol rows/columns: %1s/%2s and Data: %3s%n", rows, columns, value);
writer.writeBarcode(image, barcode, options);
}
// Setup read options
private void readBarcodes(BarcodeReader reader, RasterImage image) {
PDF417BarcodeReadOptions options = new PDF417BarcodeReadOptions();
options.setSearchDirection(BarcodeSearchDirection.HORIZONTAL);
options.setEnableDoublePass(false);
options.setEnableFastMode(false);
options.setReadMode(PDF417BarcodeReadMode.MODE0);
options.setReturnCorruptedSymbolArea(false);
options.setReadOptionalMacroFileNameField(false);
options.setReadOptionalMacroSegmentCountField(false);
options.setReadOptionalMacroTimestampField(false);
options.setReadOptionalMacroSenderField(false);
options.setReadOptionalMacroAddresseeField(false);
options.setReadOptionalMacroFileSizeField(false);
options.setReadOptionalMacroChecksumField(false);
options.setReadOptionalMacro79AndAZField(false);
options.setEnableDoublePassIfSuccess(true);
options.setEnablePreprocessing(true);
System.out.println("Reading Barcodes");
BarcodeData[] barcodes = reader.readBarcodes(image, LeadRect.getEmpty(), 0,
new BarcodeSymbology[] { BarcodeSymbology.PDF417 }, new BarcodeReadOptions[] { options });
System.out.printf("%s barcodes found:%n", barcodes.length);
for (BarcodeData barcode : barcodes) {
System.out.printf(" At %1s data: %2s and symbology: %3s", barcode.getBounds(), barcode.getValue(),
barcode.getSymbology());
}
}
public static String combine(String path1, String path2) {
File file = new File(path1, path2);
return file.getPath();
}
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