summaryrefslogtreecommitdiff
path: root/fxbarcode/datamatrix/BC_DataMatrixWriter.cpp
blob: 075449377f57b0c4507b3e0cae14df9671387331 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
// 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
// Original code is licensed as follows:
/*
 * Copyright 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "fxbarcode/datamatrix/BC_DataMatrixWriter.h"

#include <memory>

#include "fxbarcode/BC_TwoDimWriter.h"
#include "fxbarcode/BC_UtilCodingConvert.h"
#include "fxbarcode/BC_Writer.h"
#include "fxbarcode/common/BC_CommonBitMatrix.h"
#include "fxbarcode/common/BC_CommonByteMatrix.h"
#include "fxbarcode/datamatrix/BC_ASCIIEncoder.h"
#include "fxbarcode/datamatrix/BC_Base256Encoder.h"
#include "fxbarcode/datamatrix/BC_C40Encoder.h"
#include "fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h"
#include "fxbarcode/datamatrix/BC_DefaultPlacement.h"
#include "fxbarcode/datamatrix/BC_EdifactEncoder.h"
#include "fxbarcode/datamatrix/BC_Encoder.h"
#include "fxbarcode/datamatrix/BC_EncoderContext.h"
#include "fxbarcode/datamatrix/BC_ErrorCorrection.h"
#include "fxbarcode/datamatrix/BC_HighLevelEncoder.h"
#include "fxbarcode/datamatrix/BC_SymbolInfo.h"
#include "fxbarcode/datamatrix/BC_SymbolShapeHint.h"
#include "fxbarcode/datamatrix/BC_TextEncoder.h"
#include "fxbarcode/datamatrix/BC_X12Encoder.h"
#include "third_party/base/ptr_util.h"

namespace {

std::unique_ptr<CBC_CommonByteMatrix> encodeLowLevel(
    CBC_DefaultPlacement* placement,
    CBC_SymbolInfo* symbolInfo) {
  int32_t symbolWidth = symbolInfo->getSymbolDataWidth();
  ASSERT(symbolWidth);
  int32_t symbolHeight = symbolInfo->getSymbolDataHeight();
  ASSERT(symbolHeight);
  int32_t width = symbolInfo->getSymbolWidth();
  ASSERT(width);
  int32_t height = symbolInfo->getSymbolHeight();
  ASSERT(height);

  auto matrix = pdfium::MakeUnique<CBC_CommonByteMatrix>(width, height);
  matrix->Init();
  int32_t matrixY = 0;
  for (int32_t y = 0; y < symbolHeight; y++) {
    int32_t matrixX;
    if ((y % symbolInfo->matrixHeight()) == 0) {
      matrixX = 0;
      for (int32_t x = 0; x < width; x++) {
        matrix->Set(matrixX, matrixY, x % 2 == 0);
        matrixX++;
      }
      matrixY++;
    }
    matrixX = 0;
    for (int32_t x = 0; x < symbolWidth; x++) {
      if (x % symbolInfo->matrixWidth() == 0) {
        matrix->Set(matrixX, matrixY, true);
        matrixX++;
      }
      matrix->Set(matrixX, matrixY, placement->getBit(x, y));
      matrixX++;
      if (x % symbolInfo->matrixWidth() == symbolInfo->matrixWidth() - 1) {
        matrix->Set(matrixX, matrixY, y % 2 == 0);
        matrixX++;
      }
    }
    matrixY++;
    if (y % symbolInfo->matrixHeight() == symbolInfo->matrixHeight() - 1) {
      matrixX = 0;
      for (int32_t x = 0; x < width; x++) {
        matrix->Set(matrixX, matrixY, true);
        matrixX++;
      }
      matrixY++;
    }
  }
  return matrix;
}

}  // namespace

CBC_DataMatrixWriter::CBC_DataMatrixWriter() {}

CBC_DataMatrixWriter::~CBC_DataMatrixWriter() {}

bool CBC_DataMatrixWriter::SetErrorCorrectionLevel(int32_t level) {
  m_iCorrectLevel = level;
  return true;
}

uint8_t* CBC_DataMatrixWriter::Encode(const CFX_WideString& contents,
                                      int32_t& outWidth,
                                      int32_t& outHeight) {
  if (outWidth < 0 || outHeight < 0)
    return nullptr;

  CBC_SymbolShapeHint::SymbolShapeHint shape =
      CBC_SymbolShapeHint::FORCE_SQUARE;
  CFX_WideString ecLevel;
  int32_t e = BCExceptionNO;
  CFX_WideString encoded =
      CBC_HighLevelEncoder::encodeHighLevel(contents, ecLevel, shape, e);
  if (e != BCExceptionNO)
    return nullptr;
  CBC_SymbolInfo* symbolInfo =
      CBC_SymbolInfo::lookup(encoded.GetLength(), shape, true, e);
  if (e != BCExceptionNO)
    return nullptr;
  CFX_WideString codewords =
      CBC_ErrorCorrection::encodeECC200(encoded, symbolInfo, e);
  if (e != BCExceptionNO)
    return nullptr;

  int32_t width = symbolInfo->getSymbolDataWidth();
  ASSERT(width);
  int32_t height = symbolInfo->getSymbolDataHeight();
  ASSERT(height);

  auto placement =
      pdfium::MakeUnique<CBC_DefaultPlacement>(codewords, width, height);
  placement->place();
  auto bytematrix = encodeLowLevel(placement.get(), symbolInfo);
  if (!bytematrix)
    return nullptr;

  outWidth = bytematrix->GetWidth();
  outHeight = bytematrix->GetHeight();
  uint8_t* result = FX_Alloc2D(uint8_t, outWidth, outHeight);
  memcpy(result, bytematrix->GetArray(), outWidth * outHeight);
  return result;
}