1 files changed, 34 insertions, 0 deletions
diff --git a/xfa/fxbarcode/BC_UtilRSS.h b/xfa/fxbarcode/BC_UtilRSS.h
new file mode 100644
index 0000000000..b81804e0c8
--- /dev/null
+++ b/xfa/fxbarcode/BC_UtilRSS.h
@@ -0,0 +1,34 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FXBARCODE_BC_UTILRSS_H_
+#define XFA_FXBARCODE_BC_UTILRSS_H_
+
+#include <cstdint>
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_UtilRSS {
+ public:
+  virtual ~CBC_UtilRSS();
+  static int32_t GetRSSvalue(CFX_Int32Array& widths,
+                             int32_t maxWidth,
+                             FX_BOOL noNarrow);
+
+ protected:
+  static CFX_Int32Array* GetRssWidths(int32_t val,
+                                      int32_t n,
+                                      int32_t elements,
+                                      int32_t maxWidth,
+                                      FX_BOOL noNarrow);
+  static int32_t Combins(int32_t n, int32_t r);
+  static CFX_Int32Array* Elements(CFX_Int32Array& eDist, int32_t N, int32_t K);
+
+ private:
+  CBC_UtilRSS();
+};
+
+#endif  // XFA_FXBARCODE_BC_UTILRSS_H_