package com.google.zxing.client.bug.app;
-import com.buglabs.bug.module.camera.pub.ICameraDevice;
-import com.buglabs.bug.module.camera.pub.ICameraModuleControl;
-import com.buglabs.device.ButtonEvent;
-import com.buglabs.device.IButtonEventListener;
-import com.buglabs.device.IButtonEventProvider;
-import com.google.zxing.MonochromeBitmapSource;
+import com.google.zxing.BinaryBitmap;
+import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.Reader;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
-import com.google.zxing.client.bug.AWTImageMonochromeBitmapSource;
+import com.google.zxing.client.bug.AWTImageLuminanceSource;
import com.google.zxing.client.bug.ImageCanvas;
+import com.google.zxing.common.GlobalHistogramBinarizer;
+
+import com.buglabs.bug.module.camera.pub.ICameraDevice;
+import com.buglabs.bug.module.camera.pub.ICameraModuleControl;
+import com.buglabs.device.ButtonEvent;
+import com.buglabs.device.IButtonEventListener;
+import com.buglabs.device.IButtonEventProvider;
-import java.awt.BorderLayout;
-import java.awt.Color;
-import java.awt.Frame;
-import java.awt.Image;
-import java.awt.Label;
-import java.awt.Toolkit;
+import java.awt.*;
import java.awt.image.ImageObserver;
import java.io.IOException;
*/
public final class BugBarcodeApp implements IButtonEventListener, ImageObserver {
- private final ICameraDevice camera;
+ private final ICameraDevice camera;
private final ICameraModuleControl cameraControl;
- private final Frame frame;
- private Image image;
- private ImageCanvas imageCanvas;
- private Label barcodeLabel;
- private boolean pictureTaken;
- private final Reader reader;
+ private final Frame frame;
+ private Image image;
+ private ImageCanvas imageCanvas;
+ private Label barcodeLabel;
+ private boolean pictureTaken;
+ private final Reader reader;
public BugBarcodeApp(Frame frame,
- ICameraDevice camera,
- ICameraModuleControl cameraControl,
- IButtonEventProvider buttonProvider) {
- this.frame = frame;
- this.camera = camera;
- this.reader = new MultiFormatReader();
- this.cameraControl = cameraControl;
- pictureTaken = false;
- buttonProvider.addListener(this);
- createUI();
- }
-
- private void createUI() {
- frame.setTitle("BugBarcode");
- frame.setBackground(Color.WHITE);
- frame.setLayout(new BorderLayout());
- barcodeLabel = new Label("Take a picture of a barcode!", Label.CENTER);
- frame.add(barcodeLabel, BorderLayout.SOUTH);
- imageCanvas = new ImageCanvas(null);
- frame.setVisible(true);
- }
-
- private void shoot() throws IOException {
- // get image from camera for use with physical bug
- cameraControl.setLEDFlash(true);
- image = Toolkit.getDefaultToolkit().createImage(camera.getImage()).getScaledInstance(400, 300, Image.SCALE_FAST);
- cameraControl.setLEDFlash(false);
- if (Toolkit.getDefaultToolkit().prepareImage(image, -1, -1, this)) {
- drawAndScan();
- }
- }
-
- private void drawAndScan() {
- imageCanvas.setImage(image.getScaledInstance(216, 150, Image.SCALE_FAST));
- if (!pictureTaken) {
- frame.add(imageCanvas, BorderLayout.CENTER);
- pictureTaken = true;
- frame.setVisible(true);
- }
- imageCanvas.repaint();
- try {
- MonochromeBitmapSource source = new AWTImageMonochromeBitmapSource(image);
- Result result = reader.decode(source);
- barcodeLabel.setText(result.getText());
- } catch (ReaderException re) {
- barcodeLabel.setText("I can't find a barcode here");
- }
- }
-
- public void buttonEvent(ButtonEvent event) {
- if (event.getButton() == ButtonEvent.BUTTON_HOTKEY_1 && event.getAction() == 0) {
+ ICameraDevice camera,
+ ICameraModuleControl cameraControl,
+ IButtonEventProvider buttonProvider) {
+ this.frame = frame;
+ this.camera = camera;
+ this.reader = new MultiFormatReader();
+ this.cameraControl = cameraControl;
+ pictureTaken = false;
+ buttonProvider.addListener(this);
+ createUI();
+ }
+
+ private void createUI() {
+ frame.setTitle("BugBarcode");
+ frame.setBackground(Color.WHITE);
+ frame.setLayout(new BorderLayout());
+ barcodeLabel = new Label("Take a picture of a barcode!", Label.CENTER);
+ frame.add(barcodeLabel, BorderLayout.SOUTH);
+ imageCanvas = new ImageCanvas(null);
+ frame.setVisible(true);
+ }
+
+ private void shoot() throws IOException {
+ // get image from camera for use with physical bug
+ cameraControl.setLEDFlash(true);
+ image = Toolkit.getDefaultToolkit().createImage(camera.getImage()).getScaledInstance(400, 300,
+ Image.SCALE_FAST);
+ cameraControl.setLEDFlash(false);
+ if (Toolkit.getDefaultToolkit().prepareImage(image, -1, -1, this)) {
+ drawAndScan();
+ }
+ }
+
+ private void drawAndScan() {
+ imageCanvas.setImage(image.getScaledInstance(216, 150, Image.SCALE_FAST));
+ if (!pictureTaken) {
+ frame.add(imageCanvas, BorderLayout.CENTER);
+ pictureTaken = true;
+ frame.setVisible(true);
+ }
+ imageCanvas.repaint();
+ try {
+ LuminanceSource source = new AWTImageLuminanceSource(image);
+ BinaryBitmap bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(source));
+ Result result = reader.decode(bitmap);
+ barcodeLabel.setText(result.getText());
+ } catch (ReaderException re) {
+ barcodeLabel.setText("I can't find a barcode here");
+ }
+ }
+
+ public void buttonEvent(ButtonEvent event) {
+ if (event.getButton() == ButtonEvent.BUTTON_HOTKEY_1 && event.getAction() == 0) {
try {
shoot();
} catch (IOException ioe) {
// continue
}
}
- }
+ }
- public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
- if ((infoflags & ALLBITS) != 0) {
+ public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
+ if ((infoflags & ALLBITS) != 0) {
drawAndScan();
return false;
- }
- return true;
- }
+ }
+ return true;
+ }
}
projects / zxing.git / blobdiff