package com.google.zxing.client.android.encode;
import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.Result;
import com.google.zxing.WriterException;
import com.google.zxing.client.result.AddressBookParsedResult;
import com.google.zxing.client.result.ParsedResult;
import com.google.zxing.client.result.ResultParser;
-import com.google.zxing.common.ByteMatrix;
+import com.google.zxing.common.BitMatrix;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
-import android.os.Message;
import android.provider.Contacts;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
+import java.util.Hashtable;
/**
* This class does the work of decoding the user's request and extracting all the data
*/
final class QRCodeEncoder {
- private static final String TAG = "QRCodeEncoder";
+ private static final String TAG = QRCodeEncoder.class.getSimpleName();
+
+ private static final int WHITE = 0xFFFFFFFF;
+ private static final int BLACK = 0xFF000000;
private final Activity activity;
private String contents;
// but we use platform specific code like PhoneNumberUtils, so it can't.
private boolean encodeContentsFromZXingIntent(Intent intent) {
// Default to QR_CODE if no format given.
- String format = intent.getStringExtra(Intents.Encode.FORMAT);
- if (format == null || format.length() == 0 ||
- format.equals(Contents.Format.QR_CODE)) {
+ String formatString = intent.getStringExtra(Intents.Encode.FORMAT);
+ try {
+ format = BarcodeFormat.valueOf(formatString);
+ } catch (IllegalArgumentException iae) {
+ // Ignore it then
+ format = null;
+ formatString = null;
+ }
+ if (format == null || BarcodeFormat.QR_CODE.equals(format)) {
String type = intent.getStringExtra(Intents.Encode.TYPE);
if (type == null || type.length() == 0) {
return false;
contents = data;
displayContents = data;
title = activity.getString(R.string.contents_text);
- if (format.equals(Contents.Format.CODE_128)) {
- this.format = BarcodeFormat.CODE_128;
- } else if (format.equals(Contents.Format.CODE_39)) {
- this.format = BarcodeFormat.CODE_39;
- } else if (format.equals(Contents.Format.EAN_8)) {
- this.format = BarcodeFormat.EAN_8;
- } else if (format.equals(Contents.Format.EAN_13)) {
- this.format = BarcodeFormat.EAN_13;
- } else if (format.equals(Contents.Format.UPC_A)) {
- this.format = BarcodeFormat.UPC_A;
- } else if (format.equals(Contents.Format.UPC_E)) {
- this.format = BarcodeFormat.UPC_E;
- }
}
}
return contents != null && contents.length() > 0;
}
}
- private static final class EncodeThread extends Thread {
- private static final String TAG = "EncodeThread";
-
- private final String contents;
- private final Handler handler;
- private final int pixelResolution;
- private final BarcodeFormat format;
-
- EncodeThread(String contents, Handler handler, int pixelResolution,
- BarcodeFormat format) {
- this.contents = contents;
- this.handler = handler;
- this.pixelResolution = pixelResolution;
- this.format = format;
+ static Bitmap encodeAsBitmap(String contents,
+ BarcodeFormat format,
+ int desiredWidth,
+ int desiredHeight) throws WriterException {
+ Hashtable hints = null;
+ String encoding = guessAppropriateEncoding(contents);
+ if (encoding != null) {
+ hints = new Hashtable(2);
+ hints.put(EncodeHintType.CHARACTER_SET, encoding);
+ }
+ MultiFormatWriter writer = new MultiFormatWriter();
+ BitMatrix result = writer.encode(contents, format, desiredWidth, desiredHeight, hints);
+ int width = result.getWidth();
+ int height = result.getHeight();
+ int[] pixels = new int[width * height];
+ // All are 0, or black, by default
+ for (int y = 0; y < height; y++) {
+ int offset = y * width;
+ for (int x = 0; x < width; x++) {
+ pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
+ }
}
- @Override
- public void run() {
- try {
- ByteMatrix result = new MultiFormatWriter().encode(contents, format,
- pixelResolution, pixelResolution);
- int width = result.getWidth();
- int height = result.getHeight();
- byte[][] array = result.getArray();
- int[] pixels = new int[width * height];
- for (int y = 0; y < height; y++) {
- for (int x = 0; x < width; x++) {
- int grey = array[y][x] & 0xff;
- // pixels[y * width + x] = (0xff << 24) | (grey << 16) | (grey << 8) | grey;
- pixels[y * width + x] = 0xff000000 | (0x00010101 * grey);
- }
- }
+ Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+ bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
+ return bitmap;
+ }
- Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
- bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
- Message message = Message.obtain(handler, R.id.encode_succeeded);
- message.obj = bitmap;
- message.sendToTarget();
- } catch (WriterException e) {
- Log.e(TAG, e.toString());
- Message message = Message.obtain(handler, R.id.encode_failed);
- message.sendToTarget();
- } catch (IllegalArgumentException e) {
- Log.e(TAG, e.toString());
- Message message = Message.obtain(handler, R.id.encode_failed);
- message.sendToTarget();
+ private static String guessAppropriateEncoding(CharSequence contents) {
+ // Very crude at the moment
+ for (int i = 0; i < contents.length(); i++) {
+ if (contents.charAt(i) > 0xFF) {
+ return "UTF-8";
}
}
+ return null;
}
}
projects / zxing.git / blobdiff