// 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 { | |
public: | |
CBC_Detector(); | |
virtual ~CBC_Detector(); | |
static CBC_PDF417DetectorResult* detect(CBC_BinaryBitmap* image, | |
int32_t hints, | |
FX_BOOL multiple, | |
int32_t& e); | |
static void rotate180(CBC_CommonBitMatrix* bitMatrix); | |
static CBC_CommonBitArray* mirror(CBC_CommonBitArray* input, | |
CBC_CommonBitArray* result); | |
private: | |
static int32_t INDEXES_START_PATTERN[]; | |
static int32_t INDEXES_STOP_PATTERN[]; | |
static int32_t INTEGER_MATH_SHIFT; | |
static int32_t PATTERN_MATCH_RESULT_SCALE_FACTOR; | |
static int32_t MAX_AVG_VARIANCE; | |
static int32_t MAX_INDIVIDUAL_VARIANCE; | |
static int32_t START_PATTERN[]; | |
static int32_t STOP_PATTERN[]; | |
static int32_t MAX_PIXEL_DRIFT; | |
static int32_t MAX_PATTERN_DRIFT; | |
static int32_t SKIPPED_ROW_COUNT_MAX; | |
static int32_t ROW_STEP; | |
static int32_t BARCODE_MIN_HEIGHT; | |
static CFX_PtrArray* detect(FX_BOOL multiple, CBC_CommonBitMatrix* bitMatrix); | |
static CFX_PtrArray* findVertices(CBC_CommonBitMatrix* matrix, | |
int32_t startRow, | |
int32_t startColumn); | |
static void copyToResult(CFX_PtrArray* result, | |
CFX_PtrArray* tmpResult, | |
int32_t* destinationIndexes, | |
int32_t destinationLength); | |
static CFX_PtrArray* findRowsWithPattern(CBC_CommonBitMatrix* matrix, | |
int32_t height, | |
int32_t width, | |
int32_t startRow, | |
int32_t startColumn, | |
int32_t* pattern, | |
int32_t patternLength); | |
static CFX_Int32Array* findGuardPattern(CBC_CommonBitMatrix* matrix, | |
int32_t column, | |
int32_t row, | |
int32_t width, | |
FX_BOOL whiteFirst, | |
int32_t* pattern, | |
int32_t patternLength, | |
CFX_Int32Array& counters); | |
static int32_t patternMatchVariance(CFX_Int32Array& counters, | |
int32_t* pattern, | |
int32_t maxIndividualVariance); | |
}; | |
#endif |