public PDF417BarcodeECCLevel ECCLevel { get; set; }
@property (nonatomic, assign) LTPDF417BarcodeECCLevel eccLevel;
public PDF417BarcodeECCLevel getECCLevel()
public void setECCLevel(PDF417BarcodeECCLevel value)
public:
property PDF417BarcodeECCLevel ECCLevel {
PDF417BarcodeECCLevel get();
void set ( PDF417BarcodeECCLevel );
}
ECCLevel # get and set (PDF417BarcodeWriteOptions)
A PDF417BarcodeECCLevel enumeration member that determines the ECC (Error Correction) level to use when writing PDF417 barcodes. The default value is PDF417BarcodeECCLevel.Level0.
When the value of ECCLevel is PDF417BarcodeECCLevel.UsePercentage, then the ECC level is determined by the value set in ECCPercentage instead of using one of the predefined number of words.
For more information, refer to PDF417BarcodeECCLevel.
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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