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
|
// 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 2009 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_OnedEAN8Writer.h"
#include <algorithm>
#include <cwctype>
#include <memory>
#include <vector>
#include "core/fxcrt/fx_extension.h"
#include "core/fxge/cfx_defaultrenderdevice.h"
#include "fxbarcode/BC_Writer.h"
#include "fxbarcode/common/BC_CommonBitMatrix.h"
#include "fxbarcode/oned/BC_OneDimWriter.h"
#include "fxbarcode/oned/BC_OnedEANChecksum.h"
namespace {
const int8_t kOnedEAN8StartPattern[3] = {1, 1, 1};
const int8_t kOnedEAN8MiddlePattern[5] = {1, 1, 1, 1, 1};
const int8_t kOnedEAN8LPattern[10][4] = {
{3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
{1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
} // namespace
CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() {
m_iDataLenth = 8;
}
CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() = default;
void CBC_OnedEAN8Writer::SetDataLength(int32_t length) {
m_iDataLenth = 8;
}
bool CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) {
if (location == BC_TEXT_LOC_BELOWEMBED) {
m_locTextLoc = location;
return true;
}
return false;
}
bool CBC_OnedEAN8Writer::CheckContentValidity(const WideStringView& contents) {
return std::all_of(contents.begin(), contents.end(), std::iswdigit);
}
WideString CBC_OnedEAN8Writer::FilterContents(const WideStringView& contents) {
WideString filtercontents;
filtercontents.Reserve(contents.GetLength());
wchar_t ch;
for (size_t i = 0; i < contents.GetLength(); i++) {
ch = contents[i];
if (ch > 175) {
i++;
continue;
}
if (ch >= '0' && ch <= '9') {
filtercontents += ch;
}
}
return filtercontents;
}
int32_t CBC_OnedEAN8Writer::CalcChecksum(const ByteString& contents) {
return EANCalcChecksum(contents);
}
uint8_t* CBC_OnedEAN8Writer::EncodeWithHint(const ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t hints) {
if (format != BCFORMAT_EAN_8)
return nullptr;
return CBC_OneDimWriter::EncodeWithHint(contents, format, outWidth, outHeight,
hints);
}
uint8_t* CBC_OnedEAN8Writer::EncodeImpl(const ByteString& contents,
int32_t& outLength) {
if (contents.GetLength() != 8)
return nullptr;
outLength = m_codeWidth;
std::unique_ptr<uint8_t, FxFreeDeleter> result(
FX_Alloc(uint8_t, m_codeWidth));
int32_t pos = 0;
int32_t e = BCExceptionNO;
pos += AppendPattern(result.get(), pos, kOnedEAN8StartPattern, 3, 1, e);
if (e != BCExceptionNO)
return nullptr;
int32_t i = 0;
for (i = 0; i <= 3; i++) {
int32_t digit = FXSYS_DecimalCharToInt(contents[i]);
pos += AppendPattern(result.get(), pos, kOnedEAN8LPattern[digit], 4, 0, e);
if (e != BCExceptionNO)
return nullptr;
}
pos += AppendPattern(result.get(), pos, kOnedEAN8MiddlePattern, 5, 0, e);
if (e != BCExceptionNO)
return nullptr;
for (i = 4; i <= 7; i++) {
int32_t digit = FXSYS_DecimalCharToInt(contents[i]);
pos += AppendPattern(result.get(), pos, kOnedEAN8LPattern[digit], 4, 1, e);
if (e != BCExceptionNO)
return nullptr;
}
pos += AppendPattern(result.get(), pos, kOnedEAN8StartPattern, 3, 1, e);
if (e != BCExceptionNO)
return nullptr;
return result.release();
}
bool CBC_OnedEAN8Writer::ShowChars(const WideStringView& contents,
CFX_RenderDevice* device,
const CFX_Matrix* matrix,
int32_t barWidth,
int32_t multiple) {
if (!device)
return false;
int32_t leftPosition = 3 * multiple;
ByteString str = FX_UTF8Encode(contents);
size_t iLength = str.GetLength();
std::vector<FXTEXT_CHARPOS> charpos(iLength);
ByteString tempStr = str.Left(4);
size_t iLen = tempStr.GetLength();
int32_t strWidth = 7 * multiple * 4;
float blank = 0.0;
int32_t iFontSize = (int32_t)fabs(m_fFontSize);
int32_t iTextHeight = iFontSize + 1;
CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
CFX_FloatRect rect((float)leftPosition, (float)(m_Height - iTextHeight),
(float)(leftPosition + strWidth - 0.5), (float)m_Height);
matr.Concat(*matrix);
FX_RECT re = matr.TransformRect(rect).GetOuterRect();
device->FillRect(re, m_backgroundColor);
CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
CFX_FloatRect rect1(
(float)(leftPosition + 33 * multiple), (float)(m_Height - iTextHeight),
(float)(leftPosition + 33 * multiple + strWidth - 0.5), (float)m_Height);
matr1.Concat(*matrix);
re = matr1.TransformRect(rect1).GetOuterRect();
device->FillRect(re, m_backgroundColor);
strWidth = (int32_t)(strWidth * m_outputHScale);
CalcTextInfo(tempStr, charpos.data(), m_pFont.Get(), (float)strWidth,
iFontSize, blank);
{
CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
(float)leftPosition * m_outputHScale,
(float)(m_Height - iTextHeight + iFontSize));
affine_matrix1.Concat(*matrix);
device->DrawNormalText(iLen, charpos.data(), m_pFont.Get(),
static_cast<float>(iFontSize), &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
tempStr = str.Mid(4, 4);
iLen = tempStr.GetLength();
CalcTextInfo(tempStr, &charpos[4], m_pFont.Get(), (float)strWidth, iFontSize,
blank);
{
CFX_Matrix affine_matrix1(
1.0, 0.0, 0.0, -1.0,
(float)(leftPosition + 33 * multiple) * m_outputHScale,
(float)(m_Height - iTextHeight + iFontSize));
if (matrix)
affine_matrix1.Concat(*matrix);
device->DrawNormalText(iLen, &charpos[4], m_pFont.Get(),
static_cast<float>(iFontSize), &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
return true;
}
|
