1 files changed, 60 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OneDimReader.h b/xfa/src/fxbarcode/oned/BC_OneDimReader.h
new file mode 100644
index 0000000000..0fb2c8690c
--- /dev/null
+++ b/xfa/src/fxbarcode/oned/BC_OneDimReader.h
@@ -0,0 +1,60 @@
+// 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_ONEDUPCEANREADER_H_
+#define _BC_ONEDUPCEANREADER_H_
+class CBC_OneDReader;
+class CBC_CommonBitArray;
+class CBC_OneDimReader;
+class CBC_OneDimReader : public CBC_OneDReader {
+ private:
+  const static int32_t MAX_AVG_VARIANCE;
+  const static int32_t MAX_INDIVIDUAL_VARIANCE;
+
+  FX_BOOL CheckStandardUPCEANChecksum(CFX_ByteString& s, int32_t& e);
+
+ public:
+  const static int32_t START_END_PATTERN[3];
+  const static int32_t MIDDLE_PATTERN[5];
+  const static int32_t L_PATTERNS[10][4];
+  const static int32_t L_AND_G_PATTERNS[20][4];
+  CBC_OneDimReader();
+  virtual ~CBC_OneDimReader();
+  CFX_ByteString DecodeRow(int32_t rowNumber,
+                           CBC_CommonBitArray* row,
+                           int32_t hints,
+                           int32_t& e);
+  CFX_ByteString DecodeRow(int32_t rowNumber,
+                           CBC_CommonBitArray* row,
+                           CFX_Int32Array* startGuardRange,
+                           int32_t hints,
+                           int32_t& e);
+
+ protected:
+  CFX_Int32Array* FindStartGuardPattern(CBC_CommonBitArray* row, int32_t& e);
+  virtual FX_BOOL CheckChecksum(CFX_ByteString& s, int32_t& e);
+  CFX_Int32Array* FindGuardPattern(CBC_CommonBitArray* row,
+                                   int32_t rowOffset,
+                                   FX_BOOL whiteFirst,
+                                   CFX_Int32Array* pattern,
+                                   int32_t& e);
+  int32_t DecodeDigit(CBC_CommonBitArray* row,
+                      CFX_Int32Array* counters,
+                      int32_t rowOffset,
+                      const int32_t* patterns,
+                      int32_t patternLength,
+                      int32_t& e);
+  virtual int32_t DecodeMiddle(CBC_CommonBitArray* row,
+                               CFX_Int32Array* startRange,
+                               CFX_ByteString& resultResult,
+                               int32_t& e) {
+    return 0;
+  }
+  virtual CFX_Int32Array* DecodeEnd(CBC_CommonBitArray* row,
+                                    int32_t endStart,
+                                    int32_t& e);
+};
+#endif