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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 // Original code is licensed as follows:
      7 /*
      8  * Copyright 2008 ZXing authors
      9  *
     10  * Licensed under the Apache License, Version 2.0 (the "License");
     11  * you may not use this file except in compliance with the License.
     12  * You may obtain a copy of the License at
     13  *
     14  *      http://www.apache.org/licenses/LICENSE-2.0
     15  *
     16  * Unless required by applicable law or agreed to in writing, software
     17  * distributed under the License is distributed on an "AS IS" BASIS,
     18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     19  * See the License for the specific language governing permissions and
     20  * limitations under the License.
     21  */
     22 
     23 #include <utility>
     24 
     25 #include "xfa/fxbarcode/common/BC_CommonByteMatrix.h"
     26 #include "xfa/fxbarcode/qrcode/BC_QRCoder.h"
     27 #include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
     28 #include "xfa/fxbarcode/qrcode/BC_QRCoderMode.h"
     29 #include "xfa/fxbarcode/utils.h"
     30 
     31 CBC_QRCoder::CBC_QRCoder()
     32     : m_mode(nullptr),
     33       m_ecLevel(nullptr),
     34       m_version(-1),
     35       m_matrixWidth(-1),
     36       m_maskPattern(-1),
     37       m_numTotalBytes(-1),
     38       m_numDataBytes(-1),
     39       m_numECBytes(-1),
     40       m_numRSBlocks(-1) {}
     41 
     42 CBC_QRCoder::~CBC_QRCoder() {}
     43 
     44 CBC_QRCoderMode* CBC_QRCoder::GetMode() const {
     45   return m_mode;
     46 }
     47 
     48 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoder::GetECLevel() const {
     49   return m_ecLevel;
     50 }
     51 
     52 int32_t CBC_QRCoder::GetVersion() const {
     53   return m_version;
     54 }
     55 
     56 int32_t CBC_QRCoder::GetMatrixWidth() const {
     57   return m_matrixWidth;
     58 }
     59 
     60 int32_t CBC_QRCoder::GetMaskPattern() const {
     61   return m_maskPattern;
     62 }
     63 
     64 int32_t CBC_QRCoder::GetNumTotalBytes() const {
     65   return m_numTotalBytes;
     66 }
     67 
     68 int32_t CBC_QRCoder::GetNumDataBytes() const {
     69   return m_numDataBytes;
     70 }
     71 
     72 int32_t CBC_QRCoder::GetNumECBytes() const {
     73   return m_numECBytes;
     74 }
     75 
     76 int32_t CBC_QRCoder::GetNumRSBlocks() const {
     77   return m_numRSBlocks;
     78 }
     79 
     80 CBC_CommonByteMatrix* CBC_QRCoder::GetMatrix() const {
     81   return m_matrix.get();
     82 }
     83 
     84 int32_t CBC_QRCoder::At(int32_t x, int32_t y, int32_t& e) {
     85   int32_t value = m_matrix->Get(x, y);
     86   if (!(value == 0 || value == 1)) {
     87     e = BCExceptionValueMustBeEither0or1;
     88     return 0;
     89   }
     90   return value;
     91 }
     92 
     93 bool CBC_QRCoder::IsValid() {
     94   return m_mode && m_ecLevel && m_version != -1 && m_matrixWidth != -1 &&
     95          m_maskPattern != -1 && m_numTotalBytes != -1 && m_numDataBytes != -1 &&
     96          m_numECBytes != -1 && m_numRSBlocks != -1 &&
     97          IsValidMaskPattern(m_maskPattern) &&
     98          m_numTotalBytes == m_numDataBytes + m_numECBytes && m_matrix &&
     99          m_matrixWidth == m_matrix->GetWidth() &&
    100          m_matrix->GetWidth() == m_matrix->GetHeight();
    101 }
    102 
    103 void CBC_QRCoder::SetMode(CBC_QRCoderMode* value) {
    104   m_mode = value;
    105 }
    106 
    107 void CBC_QRCoder::SetECLevel(CBC_QRCoderErrorCorrectionLevel* ecLevel) {
    108   m_ecLevel = ecLevel;
    109 }
    110 
    111 void CBC_QRCoder::SetVersion(int32_t version) {
    112   m_version = version;
    113 }
    114 
    115 void CBC_QRCoder::SetMatrixWidth(int32_t width) {
    116   m_matrixWidth = width;
    117 }
    118 
    119 void CBC_QRCoder::SetMaskPattern(int32_t pattern) {
    120   m_maskPattern = pattern;
    121 }
    122 
    123 void CBC_QRCoder::SetNumDataBytes(int32_t bytes) {
    124   m_numDataBytes = bytes;
    125 }
    126 
    127 void CBC_QRCoder::SetNumTotalBytes(int32_t value) {
    128   m_numTotalBytes = value;
    129 }
    130 
    131 void CBC_QRCoder::SetNumRSBlocks(int32_t block) {
    132   m_numRSBlocks = block;
    133 }
    134 
    135 void CBC_QRCoder::SetNumECBytes(int32_t value) {
    136   m_numECBytes = value;
    137 }
    138 
    139 bool CBC_QRCoder::IsValidMaskPattern(int32_t maskPattern) {
    140   return maskPattern >= 0 && maskPattern < kNumMaskPatterns;
    141 }
    142 
    143 void CBC_QRCoder::SetMatrix(std::unique_ptr<CBC_CommonByteMatrix> pMatrix) {
    144   m_matrix = std::move(pMatrix);
    145 }
    146