// 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_DETECTOR_H_ | |
#define _BC_DETECTOR_H_ | |
class CBC_PDF417DetectorResult; | |
class CBC_BinaryBitmap; | |
class CBC_CommonBitMatrix; | |
class CBC_CommonBitArray; | |
class CBC_Detector; | |
class CBC_Detector : public CFX_Object | |
{ | |
public: | |
CBC_Detector(); | |
virtual ~CBC_Detector(); | |
static CBC_PDF417DetectorResult* detect(CBC_BinaryBitmap* image, FX_INT32 hints, FX_BOOL multiple, FX_INT32 &e); | |
static void rotate180(CBC_CommonBitMatrix* bitMatrix); | |
static CBC_CommonBitArray* mirror(CBC_CommonBitArray* input, CBC_CommonBitArray* result); | |
private: | |
static FX_INT32 INDEXES_START_PATTERN[]; | |
static FX_INT32 INDEXES_STOP_PATTERN[]; | |
static FX_INT32 INTEGER_MATH_SHIFT; | |
static FX_INT32 PATTERN_MATCH_RESULT_SCALE_FACTOR; | |
static FX_INT32 MAX_AVG_VARIANCE; | |
static FX_INT32 MAX_INDIVIDUAL_VARIANCE; | |
static FX_INT32 START_PATTERN[]; | |
static FX_INT32 STOP_PATTERN[]; | |
static FX_INT32 MAX_PIXEL_DRIFT; | |
static FX_INT32 MAX_PATTERN_DRIFT; | |
static FX_INT32 SKIPPED_ROW_COUNT_MAX; | |
static FX_INT32 ROW_STEP; | |
static FX_INT32 BARCODE_MIN_HEIGHT; | |
static CFX_PtrArray* detect(FX_BOOL multiple, CBC_CommonBitMatrix* bitMatrix); | |
static CFX_PtrArray* findVertices(CBC_CommonBitMatrix* matrix, FX_INT32 startRow, FX_INT32 startColumn); | |
static void copyToResult(CFX_PtrArray* result, CFX_PtrArray* tmpResult, FX_INT32* destinationIndexes, FX_INT32 destinationLength); | |
static CFX_PtrArray* findRowsWithPattern(CBC_CommonBitMatrix* matrix, FX_INT32 height, FX_INT32 width, FX_INT32 startRow, FX_INT32 startColumn, FX_INT32* pattern, FX_INT32 patternLength); | |
static CFX_Int32Array* findGuardPattern(CBC_CommonBitMatrix* matrix, FX_INT32 column, FX_INT32 row, FX_INT32 width, FX_BOOL whiteFirst, FX_INT32* pattern, FX_INT32 patternLength, CFX_Int32Array &counters); | |
static FX_INT32 patternMatchVariance(CFX_Int32Array &counters, FX_INT32* pattern, FX_INT32 maxIndividualVariance); | |
}; | |
#endif |