1 files changed, 41 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRDetector.h b/xfa/src/fxbarcode/qrcode/BC_QRDetector.h
new file mode 100644
index 0000000000..60c301cb7b
--- /dev/null
+++ b/xfa/src/fxbarcode/qrcode/BC_QRDetector.h
@@ -0,0 +1,41 @@
+// 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_QRDETECTOR_H_
+#define _BC_QRDETECTOR_H_
+class CBC_ResultPoint;
+class CBC_CommonBitMatrix;
+class CBC_QRDetectorResult;
+class CBC_QRFinderPatternInfo;
+class CBC_QRAlignmentPattern;
+class CBC_QRFinderPatternFinder;
+class CBC_QRCoderVersion;
+class CBC_QRGridSampler;
+class CBC_QRAlignmentPatternFinder;
+class CBC_QRAlignmentPattern;
+class CBC_QRDetector;
+class CBC_QRDetector
+{
+private:
+    CBC_CommonBitMatrix *m_image;
+public:
+    CBC_QRDetector(CBC_CommonBitMatrix *image);
+    virtual ~CBC_QRDetector();
+
+    CBC_CommonBitMatrix* GetImage();
+    CBC_QRDetectorResult* Detect(FX_INT32 hints, FX_INT32 &e);
+    CBC_QRDetectorResult* ProcessFinderPatternInfo(CBC_QRFinderPatternInfo *info, FX_INT32 &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(FX_INT32 fromX, FX_INT32 fromY, FX_INT32 toX, FX_INT32 toY);
+    FX_FLOAT SizeOfBlackWhiteBlackRun(FX_INT32 fromX, FX_INT32 fromY, FX_INT32 toX, FX_INT32 toY);
+    CBC_QRAlignmentPattern* FindAlignmentInRegion(FX_FLOAT overallEstModuleSize, FX_INT32 estAlignmentX, FX_INT32 estAlignmentY, FX_FLOAT allowanceFactor, FX_INT32 &e);
+    static FX_INT32 Round(FX_FLOAT d);
+    static FX_INT32 ComputeDimension(CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight, CBC_ResultPoint *bottomLeft, FX_FLOAT moduleSize, FX_INT32 &e);
+    static CBC_CommonBitMatrix* SampleGrid(CBC_CommonBitMatrix *image, CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight,
+                                           CBC_ResultPoint *bottomLeft, CBC_ResultPoint* alignmentPattern, FX_INT32 dimension, FX_INT32 &e);
+};
+#endif