1 files changed, 37 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417ECModulusGF.h b/xfa/src/fxbarcode/pdf417/BC_PDF417ECModulusGF.h
new file mode 100644
index 0000000000..7ebe33ecfd
--- /dev/null
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417ECModulusGF.h
@@ -0,0 +1,37 @@
+// 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 _BC_PDF417ECMODULUSGF_H_
+#define _BC_PDF417ECMODULUSGF_H_
+class CBC_PDF417ECModulusPoly;
+class CBC_PDF417Common;
+class CBC_PDF417ECModulusGF;
+class CBC_PDF417ECModulusGF : public CFX_Object
+{
+public:
+    CBC_PDF417ECModulusGF(FX_INT32 modulus, FX_INT32 generator, FX_INT32 &e);
+    virtual ~CBC_PDF417ECModulusGF();
+    static void Initialize(FX_INT32 &e);
+    static void Finalize();
+    CBC_PDF417ECModulusPoly* getZero();
+    CBC_PDF417ECModulusPoly* getOne();
+    CBC_PDF417ECModulusPoly* buildMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e);
+    FX_INT32 add(FX_INT32 a, FX_INT32 b);
+    FX_INT32 subtract(FX_INT32 a, FX_INT32 b);
+    FX_INT32 exp(FX_INT32 a);
+    FX_INT32 log(FX_INT32 a, FX_INT32 &e);
+    FX_INT32 inverse(FX_INT32 a, FX_INT32 &e);
+    FX_INT32 multiply(FX_INT32 a, FX_INT32 b);
+    FX_INT32 getSize();
+    static CBC_PDF417ECModulusGF* PDF417_GF;
+private:
+    CFX_Int32Array m_expTable;
+    CFX_Int32Array m_logTable;
+    CBC_PDF417ECModulusPoly* m_zero;
+    CBC_PDF417ECModulusPoly* m_one;
+    FX_INT32 m_modulus;
+};
+#endif