1 files changed, 66 insertions, 0 deletions
diff --git a/xfa/fxbarcode/oned/BC_OneDimReader.h b/xfa/fxbarcode/oned/BC_OneDimReader.h
new file mode 100644
index 0000000000..cc84ffd39a
--- /dev/null
+++ b/xfa/fxbarcode/oned/BC_OneDimReader.h
@@ -0,0 +1,66 @@
+// 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_ONED_BC_ONEDIMREADER_H_
+#define XFA_FXBARCODE_ONED_BC_ONEDIMREADER_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+#include "xfa/fxbarcode/oned/BC_OneDReader.h"
+
+class CBC_CommonBitArray;
+
+class CBC_OneDimReader : public CBC_OneDReader {
+ private:
+  static const int32_t MAX_AVG_VARIANCE = (int32_t)(256 * 0.48f);
+  static const int32_t MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f);
+
+  FX_BOOL CheckStandardUPCEANChecksum(CFX_ByteString& s, int32_t& e);
+
+ public:
+  static const int32_t START_END_PATTERN[3];
+  static const int32_t MIDDLE_PATTERN[5];
+  static const int32_t L_PATTERNS[10][4];
+  static const 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  // XFA_FXBARCODE_ONED_BC_ONEDIMREADER_H_