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authorPřemysl Eric Janouch <p@janouch.name>2025-01-10 15:58:57 +0100
committerPřemysl Eric Janouch <p@janouch.name>2025-01-10 16:02:45 +0100
commit9319d14566e5d1bfec617c479b8543a9ee3ad4ea (patch)
treeb0130ae9e5ac2932c88ff99b83c83d23126d91bc /lpg/libqr/constants.h
parent147b8805247ca23fb96e51694f78439ab24f93a2 (diff)
parentab64314222aca47dd7e52eca2d54d2fad0a58f6c (diff)
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Merge remote-tracking branch 'libqr/master'
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+#ifndef QR_CONSTANTS_H
+#define QR_CONSTANTS_H
+
+#include <qr/types.h>
+
+/* XOR mask for format data: 101 0100 0001 0010 */
+static const unsigned int QR_FORMAT_MASK = 0x5412;
+
+/* Format info EC polynomial
+ * G(x) = x^10 + x^8 + x^5 + x^4 + x^2 + x + 1
+ */
+static const unsigned int QR_FORMAT_POLY = 0x537;
+
+/* Version info EC polynomial
+ * G(x) = x^12 + x^11 + x^10 + x^9 + x^8 + x^5 + x^2 + 1
+ */
+static const unsigned int QR_VERSION_POLY = 0x1F25;
+
+/* A QR-code word is always 8 bits, but CHAR_BIT might not be */
+static const int QR_WORD_BITS = 8;
+
+extern const int QR_ALIGNMENT_LOCATION[40][7];
+extern const int QR_DATA_WORD_COUNT[40][4];
+/* See qr_get_rs_block_sizes() */
+extern const int QR_RS_BLOCK_COUNT[40][4][2];
+extern const enum qr_data_type QR_TYPE_CODES[16];
+
+#endif
+