1 files changed, 32 insertions, 0 deletions
diff --git a/lpg/libqr/qr/common.h b/lpg/libqr/qr/common.h
new file mode 100644
index 0000000..b7052ad
--- /dev/null
+++ b/lpg/libqr/qr/common.h
@@ -0,0 +1,32 @@
+#ifndef QR_COMMON_H
+#define QR_COMMON_H
+
+#include <qr/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void qr_mask_apply(struct qr_bitmap * bmp, int mask);
+
+size_t qr_code_total_capacity(int version);
+
+int qr_code_width(const struct qr_code *);
+
+/* See table 19 of the spec for the layout of EC data. There are at
+ * most two different block lengths, so the total number of data+ec
+ * blocks is the sum of block_count[]. The total number of 8-bit
+ * words in each kind of block is data_length + ec_length.
+ */
+void qr_get_rs_block_sizes(int version,
+                           enum qr_ec_level ec,
+                           int block_count[2],
+                           int data_length[2],
+                           int ec_length[2]);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+