package com.google.zxing.client.j2se;
+import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
-import com.google.zxing.BarcodeFormat;
import com.google.zxing.client.result.ParsedResult;
import com.google.zxing.client.result.ResultParser;
import com.google.zxing.common.BitArray;
import com.google.zxing.common.BitMatrix;
-import com.google.zxing.common.GlobalHistogramBinarizer;
+import com.google.zxing.common.HybridBinarizer;
import java.awt.image.BufferedImage;
import java.io.File;
printUsage();
return;
}
- Hashtable<DecodeHintType, Object> hints = buildHints();
+
+ boolean tryHarder = false;
+ boolean productsOnly = false;
boolean dumpResults = false;
boolean dumpBlackPoint = false;
for (String arg : args) {
if ("--try_harder".equals(arg)) {
- hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
+ tryHarder = true;
+ } else if ("--products_only".equals(arg)) {
+ productsOnly = true;
} else if ("--dump_results".equals(arg)) {
dumpResults = true;
} else if ("--dump_black_point".equals(arg)) {
dumpBlackPoint = true;
} else if (arg.startsWith("-")) {
- System.out.println("Unknown command line option " + arg);
+ System.err.println("Unknown command line option " + arg);
printUsage();
return;
}
}
+
+ Hashtable<DecodeHintType, Object> hints = buildHints(tryHarder, productsOnly);
for (String arg : args) {
if (!arg.startsWith("--")) {
decodeOneArgument(arg, hints, dumpResults, dumpBlackPoint);
}
// Manually turn on all formats, even those not yet considered production quality.
- private static Hashtable<DecodeHintType, Object> buildHints() {
+ private static Hashtable<DecodeHintType, Object> buildHints(boolean tryHarder,
+ boolean productsOnly) {
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(8);
vector.addElement(BarcodeFormat.UPC_A);
vector.addElement(BarcodeFormat.UPC_E);
vector.addElement(BarcodeFormat.EAN_13);
vector.addElement(BarcodeFormat.EAN_8);
- vector.addElement(BarcodeFormat.CODE_39);
- vector.addElement(BarcodeFormat.CODE_128);
- vector.addElement(BarcodeFormat.ITF);
- vector.addElement(BarcodeFormat.QR_CODE);
- vector.addElement(BarcodeFormat.DATAMATRIX);
- vector.addElement(BarcodeFormat.PDF417);
+ if (!productsOnly) {
+ vector.addElement(BarcodeFormat.CODE_39);
+ vector.addElement(BarcodeFormat.CODE_128);
+ vector.addElement(BarcodeFormat.ITF);
+ vector.addElement(BarcodeFormat.QR_CODE);
+ vector.addElement(BarcodeFormat.DATAMATRIX);
+ vector.addElement(BarcodeFormat.PDF417);
+ }
hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
+ if (tryHarder) {
+ hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
+ }
return hints;
}
private static void printUsage() {
- System.out.println("Decode barcode images using the ZXing library\n");
- System.out.println("usage: CommandLineRunner { file | dir | url } [ options ]");
- System.out.println(" --try_harder: Use the TRY_HARDER hint, default is normal (mobile) mode");
- System.out.println(" --dump_results: Write the decoded contents to input.txt");
- System.out.println(" --dump_black_point: Compare black point algorithms as input.mono.png");
+ System.err.println("Decode barcode images using the ZXing library\n");
+ System.err.println("usage: CommandLineRunner { file | dir | url } [ options ]");
+ System.err.println(" --try_harder: Use the TRY_HARDER hint, default is normal (mobile) mode");
+ System.err.println(" --products_only: Only decode the UPC and EAN families of barcodes");
+ System.err.println(" --dump_results: Write the decoded contents to input.txt");
+ System.err.println(" --dump_black_point: Compare black point algorithms as input.mono.png");
}
private static void decodeOneArgument(String argument, Hashtable<DecodeHintType, Object> hints,
}
try {
LuminanceSource source = new BufferedImageLuminanceSource(image);
- BinaryBitmap bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(source));
+ BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
if (dumpBlackPoint) {
dumpBlackPoint(uri, image, bitmap);
}
} catch (ReaderException e) {
System.out.println(uri.toString() + ": No barcode found");
return null;
+ } finally {
+ // Uncomment these lines when turning on exception tracking in ReaderException.
+ //System.out.println("Threw " + ReaderException.getExceptionCountAndReset() + " exceptions");
+ //System.out.println("Throwers:\n" + ReaderException.getThrowersAndReset());
}
}
resultName = resultName.substring(0, pos);
}
resultName += ".mono.png";
+ OutputStream outStream = null;
try {
- OutputStream outStream = new FileOutputStream(resultName);
+ outStream = new FileOutputStream(resultName);
ImageIO.write(result, "png", outStream);
} catch (FileNotFoundException e) {
- System.out.println("Could not create " + resultName);
+ System.err.println("Could not create " + resultName);
} catch (IOException e) {
- System.out.println("Could not write to " + resultName);
+ System.err.println("Could not write to " + resultName);
+ } finally {
+ try {
+ if (outStream != null) {
+ outStream.close();
+ }
+ } catch (IOException ioe) {
+ // continue
+ }
}
}