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1 // Copyright 2014 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #ifndef _BC_QRFINDERPATTERNFINDER_H_ | |
8 #define _BC_QRFINDERPATTERNFINDER_H_ | |
9 class CBC_CommonBitMatrix; | |
10 class CBC_QRFinderPattern; | |
11 class CBC_ResultPoint; | |
12 class CBC_QRFinderPatternInfo; | |
13 class CBC_QRFinderPatternFinder; | |
14 class CBC_QRFinderPatternFinder : public CFX_Object | |
15 { | |
16 private: | |
17 const static FX_INT32 CENTER_QUORUM; | |
18 const static FX_INT32 MIN_SKIP; | |
19 const static FX_INT32 MAX_MODULES; | |
20 const static FX_INT32 INTEGER_MATH_SHIFT; | |
21 FX_BOOL m_hasSkipped; | |
22 CBC_CommonBitMatrix* m_image; | |
23 CFX_Int32Array m_crossCheckStateCount; | |
24 CFX_PtrArray m_possibleCenters; | |
25 public: | |
26 CBC_QRFinderPatternFinder(CBC_CommonBitMatrix *image); | |
27 virtual ~CBC_QRFinderPatternFinder(); | |
28 FX_INT32 FindRowSkip(); | |
29 CBC_CommonBitMatrix* GetImage(); | |
30 CBC_QRFinderPatternInfo* Find(FX_INT32 hint, FX_INT32 &e); | |
31 | |
32 CFX_Int32Array &GetCrossCheckStateCount(); | |
33 CFX_PtrArray *GetPossibleCenters(); | |
34 CFX_PtrArray *SelectBestpatterns(FX_INT32 &e); | |
35 | |
36 FX_BOOL HandlePossibleCenter(const CFX_Int32Array &stateCount, FX_INT32 i, F
X_INT32 j); | |
37 FX_BOOL HaveMultiplyConfirmedCenters(); | |
38 FX_FLOAT CenterFromEnd(const CFX_Int32Array &stateCount, FX_INT32 end); | |
39 FX_FLOAT CrossCheckVertical(FX_INT32 startI, FX_INT32 centerJ, FX_INT32 maxC
ount, FX_INT32 originalStateCountTotal); | |
40 FX_FLOAT CrossCheckHorizontal(FX_INT32 startJ, FX_INT32 CenterI, FX_INT32 ma
xCOunt, FX_INT32 originalStateCountTotal); | |
41 static void OrderBestPatterns(CFX_PtrArray *patterns); | |
42 static FX_BOOL FoundPatternCross(const CFX_Int32Array &stateCount); | |
43 static FX_FLOAT Distance(CBC_ResultPoint* point1, CBC_ResultPoint* point2); | |
44 }; | |
45 #endif | |
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