1 files changed, 57 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h
new file mode 100644
index 0000000000..058f65df31
--- /dev/null
+++ b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h
@@ -0,0 +1,57 @@
+// 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_QRCODE_BC_QRFINDERPATTERNFINDER_H_
+#define XFA_FXBARCODE_QRCODE_BC_QRFINDERPATTERNFINDER_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_CommonBitMatrix;
+class CBC_QRFinderPattern;
+class CBC_ResultPoint;
+class CBC_QRFinderPatternInfo;
+
+class CBC_QRFinderPatternFinder {
+ private:
+  static const int32_t CENTER_QUORUM;
+  static const int32_t MIN_SKIP;
+  static const int32_t MAX_MODULES;
+  static const int32_t INTEGER_MATH_SHIFT;
+  FX_BOOL m_hasSkipped;
+  CBC_CommonBitMatrix* m_image;
+  CFX_Int32Array m_crossCheckStateCount;
+  CFX_PtrArray m_possibleCenters;
+
+ public:
+  CBC_QRFinderPatternFinder(CBC_CommonBitMatrix* image);
+  virtual ~CBC_QRFinderPatternFinder();
+  int32_t FindRowSkip();
+  CBC_CommonBitMatrix* GetImage();
+  CBC_QRFinderPatternInfo* Find(int32_t hint, int32_t& e);
+
+  CFX_Int32Array& GetCrossCheckStateCount();
+  CFX_PtrArray* GetPossibleCenters();
+  CFX_PtrArray* SelectBestpatterns(int32_t& e);
+
+  FX_BOOL HandlePossibleCenter(const CFX_Int32Array& stateCount,
+                               int32_t i,
+                               int32_t j);
+  FX_BOOL HaveMultiplyConfirmedCenters();
+  FX_FLOAT CenterFromEnd(const CFX_Int32Array& stateCount, int32_t end);
+  FX_FLOAT CrossCheckVertical(int32_t startI,
+                              int32_t centerJ,
+                              int32_t maxCount,
+                              int32_t originalStateCountTotal);
+  FX_FLOAT CrossCheckHorizontal(int32_t startJ,
+                                int32_t CenterI,
+                                int32_t maxCOunt,
+                                int32_t originalStateCountTotal);
+  static void OrderBestPatterns(CFX_PtrArray* patterns);
+  static FX_BOOL FoundPatternCross(const CFX_Int32Array& stateCount);
+  static FX_FLOAT Distance(CBC_ResultPoint* point1, CBC_ResultPoint* point2);
+};
+
+#endif  // XFA_FXBARCODE_QRCODE_BC_QRFINDERPATTERNFINDER_H_