1 files changed, 63 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRDetector.h b/xfa/fxbarcode/qrcode/BC_QRDetector.h
new file mode 100644
index 0000000000..4c171847cb
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+++ b/xfa/fxbarcode/qrcode/BC_QRDetector.h
@@ -0,0 +1,63 @@
+// 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_QRDETECTOR_H_
+#define XFA_FXBARCODE_QRCODE_BC_QRDETECTOR_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_ResultPoint;
+class CBC_CommonBitMatrix;
+class CBC_QRDetectorResult;
+class CBC_QRFinderPatternInfo;
+class CBC_QRAlignmentPattern;
+
+class CBC_QRDetector {
+ private:
+  CBC_CommonBitMatrix* m_image;
+
+ public:
+  CBC_QRDetector(CBC_CommonBitMatrix* image);
+  virtual ~CBC_QRDetector();
+
+  CBC_CommonBitMatrix* GetImage();
+  CBC_QRDetectorResult* Detect(int32_t hints, int32_t& e);
+  CBC_QRDetectorResult* ProcessFinderPatternInfo(CBC_QRFinderPatternInfo* info,
+                                                 int32_t& e);
+  FX_FLOAT CalculateModuleSize(CBC_ResultPoint* topLeft,
+                               CBC_ResultPoint* topRight,
+                               CBC_ResultPoint* bottomLeft);
+  FX_FLOAT CalculateModuleSizeOneWay(CBC_ResultPoint* pattern,
+                                     CBC_ResultPoint* otherPattern);
+  FX_FLOAT SizeOfBlackWhiteBlackRunBothWays(int32_t fromX,
+                                            int32_t fromY,
+                                            int32_t toX,
+                                            int32_t toY);
+  FX_FLOAT SizeOfBlackWhiteBlackRun(int32_t fromX,
+                                    int32_t fromY,
+                                    int32_t toX,
+                                    int32_t toY);
+  CBC_QRAlignmentPattern* FindAlignmentInRegion(FX_FLOAT overallEstModuleSize,
+                                                int32_t estAlignmentX,
+                                                int32_t estAlignmentY,
+                                                FX_FLOAT allowanceFactor,
+                                                int32_t& e);
+  static int32_t Round(FX_FLOAT d);
+  static int32_t ComputeDimension(CBC_ResultPoint* topLeft,
+                                  CBC_ResultPoint* topRight,
+                                  CBC_ResultPoint* bottomLeft,
+                                  FX_FLOAT moduleSize,
+                                  int32_t& e);
+  static CBC_CommonBitMatrix* SampleGrid(CBC_CommonBitMatrix* image,
+                                         CBC_ResultPoint* topLeft,
+                                         CBC_ResultPoint* topRight,
+                                         CBC_ResultPoint* bottomLeft,
+                                         CBC_ResultPoint* alignmentPattern,
+                                         int32_t dimension,
+                                         int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_QRCODE_BC_QRDETECTOR_H_