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Added a --dump_results flag to the J2SE client, which will create a text file of the contents of each file scanned. This is very useful for adding golden results for new blackbox images tests.

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git-svn-id: https://zxing.googlecode.com/svn/trunk@657 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
dswitkin 2008-10-31 17:57:31 +00:00
parent 8671371c59
commit 952dc0ea77
1 changed files with 27 additions and 9 deletions
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36
javase/src/com/google/zxing/client/j2se/CommandLineRunner.java
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@ -25,8 +25,9 @@ import com.google.zxing.Result;
import javax.imageio.ImageIO; import javax.imageio.ImageIO;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
import java.io.File; import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI; import java.net.URI;
import java.util.Hashtable; import java.util.Hashtable;
@ -45,10 +46,13 @@ public final class CommandLineRunner {
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
Hashtable<DecodeHintType, Object> hints = null; Hashtable<DecodeHintType, Object> hints = null;
boolean dumpResults = false;
for (String arg : args) { for (String arg : args) {
if ("--try_harder".equals(arg)) { if ("--try_harder".equals(arg)) {
hints = new Hashtable<DecodeHintType, Object>(3); hints = new Hashtable<DecodeHintType, Object>(3);
hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE); hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
} else if ("--dump_results".equals(arg)) {
dumpResults = true;
} else if (arg.startsWith("--")) { } else if (arg.startsWith("--")) {
System.out.println("Unknown command line option " + arg); System.out.println("Unknown command line option " + arg);
return; return;
@ -56,13 +60,14 @@ public final class CommandLineRunner {
} }
for (String arg : args) { for (String arg : args) {
if (!arg.startsWith("--")) { if (!arg.startsWith("--")) {
decodeOneArgument(arg, hints); decodeOneArgument(arg, hints, dumpResults);
} }
} }
} }
private static void decodeOneArgument(String argument, Hashtable<DecodeHintType, Object> hints) private static void decodeOneArgument(String argument, Hashtable<DecodeHintType, Object> hints,
throws Exception { boolean dumpResults) throws Exception {
File inputFile = new File(argument); File inputFile = new File(argument);
if (inputFile.exists()) { if (inputFile.exists()) {
if (inputFile.isDirectory()) { if (inputFile.isDirectory()) {
@ -74,8 +79,21 @@ public final class CommandLineRunner {
if (filename.startsWith(".") || filename.endsWith(".txt")) { if (filename.startsWith(".") || filename.endsWith(".txt")) {
continue; continue;
} }
if (decode(input.toURI(), hints)) { Result result = decode(input.toURI(), hints);
if (result != null) {
successful++; successful++;
if (dumpResults) {
String name = input.getAbsolutePath();
int pos = name.lastIndexOf('.');
if (pos > 0) {
name = name.substring(0, pos);
}
File dump = new File(name + ".txt");
dump.createNewFile();
FileOutputStream stream = new FileOutputStream(dump);
stream.write(result.getText().getBytes());
stream.close();
}
} }
total++; total++;
} }
@ -89,7 +107,7 @@ public final class CommandLineRunner {
} }
} }
private static boolean decode(URI uri, Hashtable<DecodeHintType, Object> hints) throws IOException { private static Result decode(URI uri, Hashtable<DecodeHintType, Object> hints) throws IOException {
BufferedImage image; BufferedImage image;
try { try {
image = ImageIO.read(uri.toURL()); image = ImageIO.read(uri.toURL());
@ -98,17 +116,17 @@ public final class CommandLineRunner {
} }
if (image == null) { if (image == null) {
System.err.println(uri.toString() + ": Could not load image"); System.err.println(uri.toString() + ": Could not load image");
return false; return null;
} }
try { try {
MonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image); MonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image);
Result result = new MultiFormatReader().decode(source, hints); Result result = new MultiFormatReader().decode(source, hints);
System.out.println(uri.toString() + " (format: " + result.getBarcodeFormat() + "):\n" + System.out.println(uri.toString() + " (format: " + result.getBarcodeFormat() + "):\n" +
result.getText()); result.getText());
return true; return result;
} catch (ReaderException e) { } catch (ReaderException e) {
System.out.println(uri.toString() + ": No barcode found"); System.out.println(uri.toString() + ": No barcode found");
return false; return null;
} }
} }