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 2011 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_OnedCodaBarWriter.h"
#include "fxbarcode/BC_Writer.h"
#include "fxbarcode/common/BC_CommonBitArray.h"
#include "fxbarcode/common/BC_CommonBitMatrix.h"
#include "fxbarcode/oned/BC_OneDimWriter.h"
#include "third_party/base/stl_util.h"
namespace {
const char kOnedCodaAlphabet[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '-', '$', ':', '/', '.', '+',
'A', 'B', 'C', 'D', 'T', 'N'};
const int8_t kOnedCodaCharacterEncoding[] = {
0x03, 0x06, 0x09, 0x60, 0x12, 0x42, 0x21, 0x24, 0x30, 0x48, 0x0c,
0x18, 0x45, 0x51, 0x54, 0x15, 0x1A, 0x29, 0x0B, 0x0E, 0x1A, 0x29};
static_assert(FX_ArraySize(kOnedCodaCharacterEncoding) == 22, "Wrong size");
static_assert(FX_ArraySize(kOnedCodaCharacterEncoding) ==
FX_ArraySize(kOnedCodaAlphabet),
"Wrong size");
const char kStartEndChars[] = {'A', 'B', 'C', 'D', 'T', 'N', '*', 'E',
'a', 'b', 'c', 'd', 't', 'n', 'e'};
const char kCOntentChars[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '-', '$', '/', ':', '+', '.'};
} // namespace
CBC_OnedCodaBarWriter::CBC_OnedCodaBarWriter() = default;
CBC_OnedCodaBarWriter::~CBC_OnedCodaBarWriter() = default;
bool CBC_OnedCodaBarWriter::SetStartChar(char start) {
if (!pdfium::ContainsValue(kStartEndChars, start))
return false;
m_chStart = start;
return true;
}
bool CBC_OnedCodaBarWriter::SetEndChar(char end) {
if (!pdfium::ContainsValue(kStartEndChars, end))
return false;
m_chEnd = end;
return true;
}
void CBC_OnedCodaBarWriter::SetDataLength(int32_t length) {
m_iDataLenth = length + 2;
}
bool CBC_OnedCodaBarWriter::SetTextLocation(BC_TEXT_LOC location) {
if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
return false;
}
m_locTextLoc = location;
return true;
}
bool CBC_OnedCodaBarWriter::SetWideNarrowRatio(int8_t ratio) {
if (ratio < 2 || ratio > 3)
return false;
m_iWideNarrRatio = ratio;
return true;
}
bool CBC_OnedCodaBarWriter::FindChar(wchar_t ch, bool isContent) {
if (ch > 0x7F)
return false;
char narrow_ch = static_cast<char>(ch);
return pdfium::ContainsValue(kCOntentChars, narrow_ch) ||
(isContent && pdfium::ContainsValue(kStartEndChars, narrow_ch));
}
bool CBC_OnedCodaBarWriter::CheckContentValidity(
const WideStringView& contents) {
return std::all_of(
contents.begin(), contents.end(),
[this](const wchar_t& ch) { return this->FindChar(ch, false); });
}
WideString CBC_OnedCodaBarWriter::FilterContents(
const WideStringView& contents) {
WideString filtercontents;
filtercontents.Reserve(contents.GetLength());
wchar_t ch;
for (size_t index = 0; index < contents.GetLength(); index++) {
ch = contents[index];
if (ch > 175) {
index++;
continue;
}
if (!FindChar(ch, true))
continue;
filtercontents += ch;
}
return filtercontents;
}
uint8_t* CBC_OnedCodaBarWriter::EncodeWithHint(const ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t hints) {
if (format != BCFORMAT_CODABAR)
return nullptr;
return CBC_OneDimWriter::EncodeWithHint(contents, format, outWidth, outHeight,
hints);
}
uint8_t* CBC_OnedCodaBarWriter::EncodeImpl(const ByteString& contents,
int32_t& outLength) {
ByteString data = m_chStart + contents + m_chEnd;
m_iContentLen = data.GetLength();
uint8_t* result = FX_Alloc2D(uint8_t, m_iWideNarrRatio * 7, data.GetLength());
char ch;
int32_t position = 0;
for (size_t index = 0; index < data.GetLength(); index++) {
ch = data[index];
if (((ch >= 'a') && (ch <= 'z'))) {
ch = ch - 32;
}
switch (ch) {
case 'T':
ch = 'A';
break;
case 'N':
ch = 'B';
break;
case '*':
ch = 'C';
break;
case 'E':
ch = 'D';
break;
default:
break;
}
int8_t code = 0;
for (size_t i = 0; i < FX_ArraySize(kOnedCodaAlphabet); i++) {
if (ch == kOnedCodaAlphabet[i]) {
code = kOnedCodaCharacterEncoding[i];
break;
}
}
uint8_t color = 1;
int32_t counter = 0;
int32_t bit = 0;
while (bit < 7) {
result[position] = color;
position++;
if (((code >> (6 - bit)) & 1) == 0 || counter == m_iWideNarrRatio - 1) {
color = !color;
bit++;
counter = 0;
} else {
counter++;
}
}
if (index < data.GetLength() - 1) {
result[position] = 0;
position++;
}
}
outLength = position;
return result;
}
WideString CBC_OnedCodaBarWriter::encodedContents(
const WideStringView& contents) {
WideString strStart(static_cast<wchar_t>(m_chStart));
WideString strEnd(static_cast<wchar_t>(m_chEnd));
return strStart + contents + strEnd;
}
bool CBC_OnedCodaBarWriter::RenderResult(const WideStringView& contents,
uint8_t* code,
int32_t codeLength) {
return CBC_OneDimWriter::RenderResult(
encodedContents(contents).AsStringView(), code, codeLength);
}
|
