com.google.zxing.client.android.decode.DecodeUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2015 [[email protected] | [email protected]]
*
* Licensed under the Apache License, Version 2.0 (the "License”);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.zxing.client.android.decode;
import android.graphics.Bitmap;
import android.graphics.Rect;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.PlanarYUVLuminanceSource;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import net.sourceforge.zbar.Config;
import net.sourceforge.zbar.Image;
import net.sourceforge.zbar.ImageScanner;
import net.sourceforge.zbar.Symbol;
import net.sourceforge.zbar.SymbolSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumMap;
import java.util.Map;
/**
* Author: Tau.Chen
* Email: [email protected] | [email protected]
* Date: 15/7/23
* Description:
*/
public class DecodeUtils {
public static final int DECODE_MODE_ZBAR = 10001;
public static final int DECODE_MODE_ZXING = 10002;
public static final int DECODE_DATA_MODE_ALL = 10003;
public static final int DECODE_DATA_MODE_QRCODE = 10004;
public static final int DECODE_DATA_MODE_BARCODE = 10005;
private int mDataMode;
private ImageScanner mImageScanner;
static {
System.loadLibrary("iconv");
}
public DecodeUtils(int dataMode) {
mImageScanner = new ImageScanner();
mImageScanner.setConfig(0, Config.X_DENSITY, 3);
mImageScanner.setConfig(0, Config.Y_DENSITY, 3);
mDataMode = (dataMode != 0) ? dataMode : DECODE_DATA_MODE_ALL;
}
public String decodeWithZbar(byte[] data, int width, int height, Rect crop) {
changeZBarDecodeDataMode();
Image barcode = new Image(width, height, "Y800");
barcode.setData(data);
if (null != crop) {
barcode.setCrop(crop.left, crop.top, crop.width(), crop.height());
}
int result = mImageScanner.scanImage(barcode);
String resultStr = null;
if (result != 0) {
SymbolSet syms = mImageScanner.getResults();
for (Symbol sym : syms) {
resultStr = sym.getData();
}
}
return resultStr;
}
public String decodeWithZxing(byte[] data, int width, int height, Rect crop) {
MultiFormatReader multiFormatReader = new MultiFormatReader();
multiFormatReader.setHints(changeZXingDecodeDataMode());
Result rawResult = null;
PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data, width, height,
crop.left, crop.top, crop.width(), crop.height(), false);
if (source != null) {
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
return rawResult != null ? rawResult.getText() : null;
}
public String decodeWithZbar(Bitmap bitmap) {
changeZBarDecodeDataMode();
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Image barcode = new Image(width, height, "Y800");
int size = width * height;
int[] pixels = new int[size];
bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
byte[] pixelsData = new byte[size];
for (int i = 0; i < size; i++) {
pixelsData[i] = (byte) pixels[i];
}
barcode.setData(pixelsData);
int result = mImageScanner.scanImage(barcode);
String resultStr = null;
if (result != 0) {
SymbolSet syms = mImageScanner.getResults();
for (Symbol sym : syms) {
resultStr = sym.getData();
}
}
return resultStr;
}
public String decodeWithZxing(Bitmap bitmap) {
MultiFormatReader multiFormatReader = new MultiFormatReader();
multiFormatReader.setHints(changeZXingDecodeDataMode());
int width = bitmap.getWidth();
int height = bitmap.getHeight();
int[] pixels = new int[width * height];
bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
Result rawResult = null;
RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
if (source != null) {
BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(binaryBitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
return rawResult != null ? rawResult.getText() : null;
}
private Map changeZXingDecodeDataMode() {
Map hints = new EnumMap(DecodeHintType.class);
Collection decodeFormats = new ArrayList();
switch (mDataMode) {
case DECODE_DATA_MODE_ALL:
decodeFormats.addAll(DecodeFormatManager.getBarCodeFormats());
decodeFormats.addAll(DecodeFormatManager.getQrCodeFormats());
break;
case DECODE_DATA_MODE_QRCODE:
decodeFormats.addAll(DecodeFormatManager.getQrCodeFormats());
break;
case DECODE_DATA_MODE_BARCODE:
decodeFormats.addAll(DecodeFormatManager.getBarCodeFormats());
break;
}
hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
return hints;
}
private void changeZBarDecodeDataMode() {
switch (mDataMode) {
case DECODE_DATA_MODE_ALL:
mImageScanner.setConfig(Symbol.NONE, Config.ENABLE, 1);
break;
case DECODE_DATA_MODE_QRCODE:
mImageScanner.setConfig(Symbol.NONE, Config.ENABLE, 0);
// bar code
mImageScanner.setConfig(Symbol.I25, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.CODABAR, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.CODE128, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.CODE39, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.CODE93, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.DATABAR, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.DATABAR_EXP, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.EAN13, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.EAN8, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.ISBN10, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.ISBN13, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.UPCA, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.UPCE, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.PARTIAL, Config.ENABLE, 0);
// qr code
mImageScanner.setConfig(Symbol.QRCODE, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.PDF417, Config.ENABLE, 1);
break;
case DECODE_DATA_MODE_BARCODE:
mImageScanner.setConfig(Symbol.NONE, Config.ENABLE, 0);
// bar code
mImageScanner.setConfig(Symbol.I25, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.CODABAR, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.CODE128, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.CODE39, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.CODE93, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.DATABAR, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.DATABAR_EXP, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.EAN13, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.EAN8, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.ISBN10, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.ISBN13, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.UPCA, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.UPCE, Config.ENABLE, 1);
mImageScanner.setConfig(Symbol.PARTIAL, Config.ENABLE, 1);
// qr code
mImageScanner.setConfig(Symbol.QRCODE, Config.ENABLE, 0);
mImageScanner.setConfig(Symbol.PDF417, Config.ENABLE, 0);
break;
}
}
public int getDataMode() {
return mDataMode;
}
public void setDataMode(int dataMode) {
this.mDataMode = dataMode;
}
}
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