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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_QRALIGNMENTPATTERNFINDER_H_ | |
8 #define _BC_QRALIGNMENTPATTERNFINDER_H_ | |
9 class CBC_CommonBitMatrix; | |
10 class CBC_QRAlignmentPattern; | |
11 class CBC_QRAlignmentPatternFinder; | |
12 class CBC_QRAlignmentPatternFinder : public CFX_Object | |
13 { | |
14 private: | |
15 CBC_CommonBitMatrix *m_image; | |
16 CFX_PtrArray m_possibleCenters; | |
17 FX_INT32 m_startX; | |
18 FX_INT32 m_startY; | |
19 FX_INT32 m_width; | |
20 FX_INT32 m_height; | |
21 FX_FLOAT m_moduleSize; | |
22 CFX_Int32Array m_crossCheckStateCount; | |
23 public: | |
24 CBC_QRAlignmentPatternFinder(CBC_CommonBitMatrix *image, FX_INT32 startX, FX
_INT32 startY, FX_INT32 width, FX_INT32 height, FX_FLOAT moduleSize); | |
25 virtual ~CBC_QRAlignmentPatternFinder(); | |
26 FX_BOOL FoundPatternCross(const CFX_Int32Array &stateCount); | |
27 FX_FLOAT CrossCheckVertical(FX_INT32 startI, FX_INT32 startJ, FX_INT32 maxCo
unt, FX_INT32 originalStateCountTotal); | |
28 CBC_QRAlignmentPattern* Find(FX_INT32 &e); | |
29 CBC_QRAlignmentPattern *HandlePossibleCenter(const CFX_Int32Array &stateCoun
t, FX_INT32 i, FX_INT32 j); | |
30 static FX_FLOAT CenterFromEnd(const CFX_Int32Array &stateCount, FX_INT32 end
); | |
31 }; | |
32 #endif | |
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