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Fix for coloured QR code fails to scan #2366

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herodotos
2025-05-07 08:19:13 +02:00
parent 18a2c3d907
commit 35f88ca386
1 changed files with 8 additions and 3 deletions
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11
app/src/main/java/protect/card_locker/Utils.java
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@@ -53,10 +53,11 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.DecodeHintType;
import com.google.zxing.NotFoundException;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.common.GlobalHistogramBinarizer;
import com.google.zxing.multi.GenericMultipleBarcodeReader;
import com.google.zxing.multi.MultipleBarcodeReader;
@@ -82,6 +83,7 @@ import java.util.Calendar;
import java.util.Collections;
import java.util.Currency;
import java.util.Date;
import java.util.EnumMap;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
@@ -381,14 +383,17 @@ public class Utils {
// ...and then turned into a binary bitmap from its luminance
LuminanceSource source = new RGBLuminanceSource(bitmap.getWidth(), bitmap.getHeight(), intArray);
BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
BinaryBitmap binaryBitmap = new BinaryBitmap(new GlobalHistogramBinarizer(source));
List<ParseResult> parseResultList = new ArrayList<>();
try {
MultiFormatReader multiFormatReader = new MultiFormatReader();
MultipleBarcodeReader multipleBarcodeReader = new GenericMultipleBarcodeReader(multiFormatReader);
Result[] barcodeResults = multipleBarcodeReader.decodeMultiple(binaryBitmap);
Map<DecodeHintType, Object> hints = new EnumMap<>(DecodeHintType.class);
hints.put(DecodeHintType.ALSO_INVERTED, Boolean.TRUE);
Result[] barcodeResults = multipleBarcodeReader.decodeMultiple(binaryBitmap,hints);
for (Result barcodeResult : barcodeResults) {
Log.i(TAG, "Read barcode id: " + barcodeResult.getText());