// 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_QRCODERMATRIXUTIL_H_
#define _BC_QRCODERMATRIXUTIL_H_
class CBC_CommonByteMatrix;
class CBC_QRCoderErrorCorrectionLevel;
class CBC_QRCoderBitVector;
class CBC_QRCoderMatrixUtil
{
private:
    const static int32_t POSITION_DETECTION_PATTERN[7][7];
    const static int32_t VERTICAL_SEPARATION_PATTERN[7][1];
    const static int32_t HORIZONTAL_SEPARATION_PATTERN[1][8];
    const static int32_t POSITION_ADJUSTMENT_PATTERN[5][5];
    const static int32_t POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7];
    const static int32_t TYPE_INFO_COORDINATES[15][2];
    const static int32_t VERSION_INFO_POLY;
    const static int32_t TYPE_INFO_POLY;
    const static int32_t TYPE_INFO_MASK_PATTERN;
public:
    CBC_QRCoderMatrixUtil();
    virtual ~CBC_QRCoderMatrixUtil();
    static void ClearMatrix(CBC_CommonByteMatrix* matrix, int32_t &e);
    static void BuildMatrix(CBC_QRCoderBitVector* dataBits, 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(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(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 FX_BOOL IsEmpty(int32_t value);
    static FX_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);
};
#endif