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// 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 FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_
#define FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_
class CBC_CommonByteMatrix;
class CBC_QRCoderErrorCorrectionLevel;
class CBC_QRCoderBitVector;
class CBC_QRCoderMatrixUtil {
public:
CBC_QRCoderMatrixUtil();
virtual ~CBC_QRCoderMatrixUtil();
static void ClearMatrix(CBC_CommonByteMatrix* matrix, int32_t& e);
static void BuildMatrix(CBC_QRCoderBitVector* dataBits,
const CBC_QRCoderErrorCorrectionLevel* ecLevel,
int32_t version,
int32_t maskPattern,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedBasicPatterns(int32_t version,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedTypeInfo(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
int32_t maskPattern,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedDataBits(CBC_QRCoderBitVector* dataBits,
int32_t maskPattern,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void MaybeEmbedVersionInfo(int32_t version,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static int32_t FindMSBSet(int32_t value);
static int32_t CalculateBCHCode(int32_t code, int32_t poly);
static void MakeTypeInfoBits(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
int32_t maskPattern,
CBC_QRCoderBitVector* bits,
int32_t& e);
static void MakeVersionInfoBits(int32_t version,
CBC_QRCoderBitVector* bits,
int32_t& e);
static bool IsEmpty(int32_t value);
static bool IsValidValue(int32_t value);
static void EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, int32_t& e);
static void EmbedDarkDotAtLeftBottomCorner(CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedHorizontalSeparationPattern(int32_t xStart,
int32_t yStart,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedVerticalSeparationPattern(int32_t xStart,
int32_t yStart,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedPositionAdjustmentPattern(int32_t xStart,
int32_t yStart,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedPositionDetectionPattern(int32_t xStart,
int32_t yStart,
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void EmbedPositionDetectionPatternsAndSeparators(
CBC_CommonByteMatrix* matrix,
int32_t& e);
static void MaybeEmbedPositionAdjustmentPatterns(int32_t version,
CBC_CommonByteMatrix* matrix,
int32_t& e);
private:
static const int32_t POSITION_DETECTION_PATTERN[7][7];
static const int32_t VERTICAL_SEPARATION_PATTERN[7][1];
static const int32_t HORIZONTAL_SEPARATION_PATTERN[1][8];
static const int32_t POSITION_ADJUSTMENT_PATTERN[5][5];
static const int32_t POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7];
static const int32_t TYPE_INFO_COORDINATES[15][2];
static const int32_t VERSION_INFO_POLY;
static const int32_t TYPE_INFO_POLY;
static const int32_t TYPE_INFO_MASK_PATTERN;
};
#endif // FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_
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