Tweak ZXing config to avoid QR Code fuzz failures

Author: gredler

src/test/java/uk/org/okapibarcode/backend/SymbolTest.java

@@ -17,6 +17,7 @@
 package uk.org.okapibarcode.backend;
 
 import static java.lang.Integer.toHexString;
+import static java.nio.charset.StandardCharsets.ISO_8859_1;
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
@@ -657,9 +658,10 @@ public static BufferedImage draw(Symbol symbol) {
     public static Result decode(BufferedImage image, Reader reader) throws ReaderException {
         LuminanceSource source = new BufferedImageLuminanceSource(image);
         BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
-        Map< DecodeHintType, Boolean > hints = new HashMap<>();
+        Map< DecodeHintType, Object > hints = new HashMap<>();
         hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
         hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
+        hints.put(DecodeHintType.CHARACTER_SET, ISO_8859_1.name()); // help QR Code reader
         return reader.decode(bitmap, hints);
     }
 

src/test/resources/uk/org/okapibarcode/backend/qrcode/bytes-and-numbers.png

@@ -0,0 +1,46 @@
+PROPERTIES
+
+content=[rcdeg\u00b2b241\u0001]0
+
+LOG
+
+ECI Mode: 3
+ECI Charset: ISO-8859-1
+Encoding: BYTE 91 114 99 100 101 103 178 98 NUMB 241 BYTE 1 93 48
+Codewords: 64 133 183 38 54 70 86 123 38 33 0 207 20 3 1 93 48 0 236
+Version: 1
+ECC Level: L
+Mask 000 Penalties: 103 241 801 801
+Mask 001 Penalties: 137 377 897 EXIT
+Mask 010 Penalties: 132 312 832 EXIT
+Mask 011 Penalties: 124 307 787 797
+Mask 100 Penalties: 134 371 851 EXIT
+Mask 101 Penalties: 130 361 841 EXIT
+Mask 110 Penalties: 130 358 878 EXIT
+Mask 111 Penalties: 145 346 826 EXIT
+Mask Pattern: 011
+Blocks Merged: 118 -> 82
+
+CODEWORDS
+
+7122117
+151412151
+113111113111311
+113111221111311
+1131113311311
+151421151
+711111117
+092:
+4211112112311
+0111131322213
+02213223114
+0112211513121
+5111111121141
+081311412
+73121322
+1512121332
+11311211122122
+1131111113121111
+113111113512
+15111411141
+71153112