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Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OneDimReader.h')
-rw-r--r--xfa/src/fxbarcode/oned/BC_OneDimReader.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OneDimReader.h b/xfa/src/fxbarcode/oned/BC_OneDimReader.h
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+// 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 FX_INT32 MAX_AVG_VARIANCE;
+ const static FX_INT32 MAX_INDIVIDUAL_VARIANCE;
+
+ FX_BOOL CheckStandardUPCEANChecksum(CFX_ByteString &s, FX_INT32 &e);
+public:
+ const static FX_INT32 START_END_PATTERN[3];
+ const static FX_INT32 MIDDLE_PATTERN[5];
+ const static FX_INT32 L_PATTERNS[10][4];
+ const static FX_INT32 L_AND_G_PATTERNS[20][4];
+ CBC_OneDimReader();
+ virtual ~CBC_OneDimReader();
+ CFX_ByteString DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, FX_INT32 hints, FX_INT32 &e);
+ CFX_ByteString DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, CFX_Int32Array *startGuardRange, FX_INT32 hints, FX_INT32 &e);
+protected:
+ CFX_Int32Array *FindStartGuardPattern(CBC_CommonBitArray *row, FX_INT32 &e);
+ virtual FX_BOOL CheckChecksum(CFX_ByteString &s, FX_INT32 &e);
+ CFX_Int32Array *FindGuardPattern(CBC_CommonBitArray *row, FX_INT32 rowOffset, FX_BOOL whiteFirst, CFX_Int32Array *pattern, FX_INT32 &e);
+ FX_INT32 DecodeDigit(CBC_CommonBitArray *row, CFX_Int32Array *counters, FX_INT32 rowOffset, const FX_INT32* patterns, FX_INT32 patternLength, FX_INT32 &e);
+ virtual FX_INT32 DecodeMiddle(CBC_CommonBitArray *row, CFX_Int32Array *startRange, CFX_ByteString &resultResult, FX_INT32 &e)
+ {
+ return 0;
+ }
+ virtual CFX_Int32Array *DecodeEnd(CBC_CommonBitArray *row, FX_INT32 endStart, FX_INT32 &e);
+};
+#endif