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Diffstat (limited to 'xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h')
-rw-r--r--xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h61
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diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h b/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h
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+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h
@@ -0,0 +1,61 @@
+// 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_PDF417SCANNINGDECODER_H_
+#define _BC_PDF417SCANNINGDECODER_H_
+class CBC_CommonDecoderResult;
+class CBC_CommonBitMatrix;
+class CBC_ErrorCorrection;
+class CBC_Codeword;
+class CBC_BoundingBox;
+class CBC_ResultPoint;
+class CBC_BarcodeMetadata;
+class CBC_BarcodeValue;
+class CBC_DetectionResult;
+class CBC_DetectionResultRowIndicatorColumn;
+class CBC_PDF417ScanningDecoder;
+class CBC_PDF417ScanningDecoder : public CFX_Object
+{
+public:
+ CBC_PDF417ScanningDecoder();
+ virtual ~CBC_PDF417ScanningDecoder();
+ static void Initialize();
+ static void Finalize();
+ static CBC_CommonDecoderResult* decode(CBC_CommonBitMatrix* image, CBC_ResultPoint* imageTopLeft, CBC_ResultPoint* imageBottomLeft, CBC_ResultPoint* imageTopRight,
+ CBC_ResultPoint* imageBottomRight, FX_INT32 minCodewordWidth, FX_INT32 maxCodewordWidth, FX_INT32 &e);
+ static CFX_ByteString toString(CFX_PtrArray* barcodeMatrix);
+private:
+ static FX_INT32 CODEWORD_SKEW_SIZE;
+ static FX_INT32 MAX_ERRORS;
+ static FX_INT32 MAX_EC_CODEWORDS;
+ static CBC_PDF417ECErrorCorrection* errorCorrection;
+ static CBC_DetectionResult* merge(CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn, FX_INT32 &e);
+ static CBC_BoundingBox* adjustBoundingBox(CBC_DetectionResultRowIndicatorColumn* rowIndicatorColumn, FX_INT32 &e);
+ static FX_INT32 getMax(CFX_Int32Array& values);
+ static CBC_BarcodeMetadata* getBarcodeMetadata(CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn);
+ static CBC_DetectionResultRowIndicatorColumn* getRowIndicatorColumn(CBC_CommonBitMatrix* image, CBC_BoundingBox* boundingBox, CBC_ResultPoint startPoint,
+ FX_BOOL leftToRight, FX_INT32 minCodewordWidth, FX_INT32 maxCodewordWidth);
+ static void adjustCodewordCount(CBC_DetectionResult* detectionResult, CFX_PtrArray* barcodeMatrix, FX_INT32 &e);
+ static CBC_CommonDecoderResult* createDecoderResult(CBC_DetectionResult* detectionResult, FX_INT32 &e);
+ static CBC_CommonDecoderResult* createDecoderResultFromAmbiguousValues(FX_INT32 ecLevel, CFX_Int32Array &codewords, CFX_Int32Array &erasureArray, CFX_Int32Array &ambiguousIndexes,
+ CFX_PtrArray& ambiguousIndexValues, FX_INT32 &e);
+ static CFX_PtrArray* createBarcodeMatrix(CBC_DetectionResult* detectionResult);
+ static FX_BOOL isValidBarcodeColumn(CBC_DetectionResult* detectionResult, FX_INT32 barcodeColumn);
+ static FX_INT32 getStartColumn(CBC_DetectionResult* detectionResult, FX_INT32 barcodeColumn, FX_INT32 imageRow, FX_BOOL leftToRight);
+ static CBC_Codeword* detectCodeword(CBC_CommonBitMatrix* image, FX_INT32 minColumn, FX_INT32 maxColumn, FX_BOOL leftToRight, FX_INT32 startColumn,
+ FX_INT32 imageRow, FX_INT32 minCodewordWidth, FX_INT32 maxCodewordWidth);
+ static CFX_Int32Array* getModuleBitCount(CBC_CommonBitMatrix* image, FX_INT32 minColumn, FX_INT32 maxColumn, FX_BOOL leftToRight, FX_INT32 startColumn, FX_INT32 imageRow);
+ static FX_INT32 getNumberOfECCodeWords(FX_INT32 barcodeECLevel);
+ static FX_INT32 adjustCodewordStartColumn(CBC_CommonBitMatrix* image, FX_INT32 minColumn, FX_INT32 maxColumn, FX_BOOL leftToRight, FX_INT32 codewordStartColumn, FX_INT32 imageRow);
+ static FX_BOOL checkCodewordSkew(FX_INT32 codewordSize, FX_INT32 minCodewordWidth, FX_INT32 maxCodewordWidth);
+ static CBC_CommonDecoderResult* decodeCodewords(CFX_Int32Array &codewords, FX_INT32 ecLevel, CFX_Int32Array &erasures, FX_INT32 &e);
+ static FX_INT32 correctErrors(CFX_Int32Array &codewords, CFX_Int32Array &erasures, FX_INT32 numECCodewords, FX_INT32 &e);
+ static void verifyCodewordCount(CFX_Int32Array &codewords, FX_INT32 numECCodewords, FX_INT32 &e);
+ static CFX_Int32Array* getBitCountForCodeword(FX_INT32 codeword);
+ static FX_INT32 getCodewordBucketNumber(FX_INT32 codeword);
+ static FX_INT32 getCodewordBucketNumber(CFX_Int32Array& moduleBitCount);
+};
+#endif