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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
// 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 2010 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/oned/BC_OnedCode128Writer.h"
#include <cctype>
#include <memory>
#include "fxbarcode/BC_Writer.h"
#include "fxbarcode/oned/BC_OneDimWriter.h"
namespace {
constexpr size_t kPatternSize = 7;
const int8_t CODE_PATTERNS[107][kPatternSize] = {
{2, 1, 2, 2, 2, 2, 0}, {2, 2, 2, 1, 2, 2, 0}, {2, 2, 2, 2, 2, 1, 0},
{1, 2, 1, 2, 2, 3, 0}, {1, 2, 1, 3, 2, 2, 0}, {1, 3, 1, 2, 2, 2, 0},
{1, 2, 2, 2, 1, 3, 0}, {1, 2, 2, 3, 1, 2, 0}, {1, 3, 2, 2, 1, 2, 0},
{2, 2, 1, 2, 1, 3, 0}, {2, 2, 1, 3, 1, 2, 0}, {2, 3, 1, 2, 1, 2, 0},
{1, 1, 2, 2, 3, 2, 0}, {1, 2, 2, 1, 3, 2, 0}, {1, 2, 2, 2, 3, 1, 0},
{1, 1, 3, 2, 2, 2, 0}, {1, 2, 3, 1, 2, 2, 0}, {1, 2, 3, 2, 2, 1, 0},
{2, 2, 3, 2, 1, 1, 0}, {2, 2, 1, 1, 3, 2, 0}, {2, 2, 1, 2, 3, 1, 0},
{2, 1, 3, 2, 1, 2, 0}, {2, 2, 3, 1, 1, 2, 0}, {3, 1, 2, 1, 3, 1, 0},
{3, 1, 1, 2, 2, 2, 0}, {3, 2, 1, 1, 2, 2, 0}, {3, 2, 1, 2, 2, 1, 0},
{3, 1, 2, 2, 1, 2, 0}, {3, 2, 2, 1, 1, 2, 0}, {3, 2, 2, 2, 1, 1, 0},
{2, 1, 2, 1, 2, 3, 0}, {2, 1, 2, 3, 2, 1, 0}, {2, 3, 2, 1, 2, 1, 0},
{1, 1, 1, 3, 2, 3, 0}, {1, 3, 1, 1, 2, 3, 0}, {1, 3, 1, 3, 2, 1, 0},
{1, 1, 2, 3, 1, 3, 0}, {1, 3, 2, 1, 1, 3, 0}, {1, 3, 2, 3, 1, 1, 0},
{2, 1, 1, 3, 1, 3, 0}, {2, 3, 1, 1, 1, 3, 0}, {2, 3, 1, 3, 1, 1, 0},
{1, 1, 2, 1, 3, 3, 0}, {1, 1, 2, 3, 3, 1, 0}, {1, 3, 2, 1, 3, 1, 0},
{1, 1, 3, 1, 2, 3, 0}, {1, 1, 3, 3, 2, 1, 0}, {1, 3, 3, 1, 2, 1, 0},
{3, 1, 3, 1, 2, 1, 0}, {2, 1, 1, 3, 3, 1, 0}, {2, 3, 1, 1, 3, 1, 0},
{2, 1, 3, 1, 1, 3, 0}, {2, 1, 3, 3, 1, 1, 0}, {2, 1, 3, 1, 3, 1, 0},
{3, 1, 1, 1, 2, 3, 0}, {3, 1, 1, 3, 2, 1, 0}, {3, 3, 1, 1, 2, 1, 0},
{3, 1, 2, 1, 1, 3, 0}, {3, 1, 2, 3, 1, 1, 0}, {3, 3, 2, 1, 1, 1, 0},
{3, 1, 4, 1, 1, 1, 0}, {2, 2, 1, 4, 1, 1, 0}, {4, 3, 1, 1, 1, 1, 0},
{1, 1, 1, 2, 2, 4, 0}, {1, 1, 1, 4, 2, 2, 0}, {1, 2, 1, 1, 2, 4, 0},
{1, 2, 1, 4, 2, 1, 0}, {1, 4, 1, 1, 2, 2, 0}, {1, 4, 1, 2, 2, 1, 0},
{1, 1, 2, 2, 1, 4, 0}, {1, 1, 2, 4, 1, 2, 0}, {1, 2, 2, 1, 1, 4, 0},
{1, 2, 2, 4, 1, 1, 0}, {1, 4, 2, 1, 1, 2, 0}, {1, 4, 2, 2, 1, 1, 0},
{2, 4, 1, 2, 1, 1, 0}, {2, 2, 1, 1, 1, 4, 0}, {4, 1, 3, 1, 1, 1, 0},
{2, 4, 1, 1, 1, 2, 0}, {1, 3, 4, 1, 1, 1, 0}, {1, 1, 1, 2, 4, 2, 0},
{1, 2, 1, 1, 4, 2, 0}, {1, 2, 1, 2, 4, 1, 0}, {1, 1, 4, 2, 1, 2, 0},
{1, 2, 4, 1, 1, 2, 0}, {1, 2, 4, 2, 1, 1, 0}, {4, 1, 1, 2, 1, 2, 0},
{4, 2, 1, 1, 1, 2, 0}, {4, 2, 1, 2, 1, 1, 0}, {2, 1, 2, 1, 4, 1, 0},
{2, 1, 4, 1, 2, 1, 0}, {4, 1, 2, 1, 2, 1, 0}, {1, 1, 1, 1, 4, 3, 0},
{1, 1, 1, 3, 4, 1, 0}, {1, 3, 1, 1, 4, 1, 0}, {1, 1, 4, 1, 1, 3, 0},
{1, 1, 4, 3, 1, 1, 0}, {4, 1, 1, 1, 1, 3, 0}, {4, 1, 1, 3, 1, 1, 0},
{1, 1, 3, 1, 4, 1, 0}, {1, 1, 4, 1, 3, 1, 0}, {3, 1, 1, 1, 4, 1, 0},
{4, 1, 1, 1, 3, 1, 0}, {2, 1, 1, 4, 1, 2, 0}, {2, 1, 1, 2, 1, 4, 0},
{2, 1, 1, 2, 3, 2, 0}, {2, 3, 3, 1, 1, 1, 2}};
const int32_t CODE_START_B = 104;
const int32_t CODE_START_C = 105;
const int32_t CODE_STOP = 106;
} // namespace
CBC_OnedCode128Writer::CBC_OnedCode128Writer(BC_TYPE type)
: m_codeFormat(type) {
ASSERT(m_codeFormat == BC_CODE128_B || m_codeFormat == BC_CODE128_C);
}
CBC_OnedCode128Writer::~CBC_OnedCode128Writer() = default;
bool CBC_OnedCode128Writer::CheckContentValidity(
const WideStringView& contents) {
for (const auto& ch : contents) {
int32_t patternIndex = static_cast<int32_t>(ch);
if (patternIndex < 32 || patternIndex > 126 || patternIndex == 34)
return false;
}
return true;
}
WideString CBC_OnedCode128Writer::FilterContents(
const WideStringView& contents) {
const wchar_t limit = m_codeFormat == BC_CODE128_B ? 126 : 106;
WideString filtered;
filtered.Reserve(contents.GetLength());
for (size_t i = 0; i < contents.GetLength(); i++) {
wchar_t ch = contents[i];
if (ch > 175) {
i++;
continue;
}
if (ch >= 32 && ch <= limit)
filtered += ch;
}
return filtered;
}
bool CBC_OnedCode128Writer::SetTextLocation(BC_TEXT_LOC location) {
if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
return false;
}
m_locTextLoc = location;
return true;
}
uint8_t* CBC_OnedCode128Writer::EncodeWithHint(const ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t hints) {
if (format != BCFORMAT_CODE_128)
return nullptr;
return CBC_OneDimWriter::EncodeWithHint(contents, format, outWidth, outHeight,
hints);
}
uint8_t* CBC_OnedCode128Writer::EncodeImpl(const ByteString& contents,
int32_t& outLength) {
if (contents.GetLength() < 1 || contents.GetLength() > 80)
return nullptr;
std::vector<int32_t> patterns;
int32_t checkSum = 0;
if (m_codeFormat == BC_CODE128_B)
checkSum = Encode128B(contents, &patterns);
else
checkSum = Encode128C(contents, &patterns);
checkSum %= 103;
patterns.push_back(checkSum);
patterns.push_back(CODE_STOP);
m_iContentLen = contents.GetLength() + 3;
int32_t codeWidth = 0;
for (const auto& patternIndex : patterns) {
const int8_t* pattern = CODE_PATTERNS[patternIndex];
for (size_t i = 0; i < kPatternSize; ++i)
codeWidth += pattern[i];
}
outLength = codeWidth;
std::unique_ptr<uint8_t, FxFreeDeleter> result(FX_Alloc(uint8_t, outLength));
int32_t pos = 0;
for (size_t i = 0; i < patterns.size(); ++i) {
const int8_t* pattern = CODE_PATTERNS[patterns[i]];
int32_t e = BCExceptionNO;
pos += AppendPattern(result.get(), pos, pattern, kPatternSize, 1, e);
if (e != BCExceptionNO)
return nullptr;
}
return result.release();
}
// static
int32_t CBC_OnedCode128Writer::Encode128B(const ByteString& contents,
std::vector<int32_t>* patterns) {
int32_t checkWeight = 1;
patterns->push_back(CODE_START_B);
int32_t checkSum = CODE_START_B * checkWeight;
for (size_t position = 0; position < contents.GetLength(); position++) {
int32_t patternIndex = contents[position] - ' ';
patterns->push_back(patternIndex);
checkSum += patternIndex * checkWeight++;
}
return checkSum;
}
// static
int32_t CBC_OnedCode128Writer::Encode128C(const ByteString& contents,
std::vector<int32_t>* patterns) {
int32_t checkWeight = 1;
patterns->push_back(CODE_START_C);
int32_t checkSum = CODE_START_C * checkWeight;
size_t position = 0;
while (position < contents.GetLength()) {
int32_t patternIndex;
char ch = contents[position];
if (std::isdigit(ch)) {
patternIndex = FXSYS_atoi(
contents.Mid(position, contents.IsValidIndex(position + 1) ? 2 : 1)
.c_str());
++position;
if (position < contents.GetLength() && std::isdigit(contents[position]))
++position;
} else {
patternIndex = static_cast<int32_t>(ch);
++position;
}
patterns->push_back(patternIndex);
checkSum += patternIndex * checkWeight++;
}
return checkSum;
}
|
