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
|
/*
* Copyright 2016 Nu-book Inc.
* Copyright 2019 Axel Waggershauser
*/
// SPDX-License-Identifier: Apache-2.0
#include "BitMatrix.h"
#ifdef ZXING_EXPERIMENTAL_API
#include "WriteBarcode.h"
#else
#include "MultiFormatWriter.h"
#endif
#include <vector>
using namespace ZXing;
using namespace std::literals;
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <stb_image_write.h>
#ifdef ZXING_EXPERIMENTAL_API
void savePng(ImageView iv, BarcodeFormat format)
{
stbi_write_png((ToString(format) + ".png"s).c_str(), iv.width(), iv.height(), iv.pixStride(), iv.data(), iv.rowStride());
}
#else
void savePng(const BitMatrix& matrix, BarcodeFormat format)
{
auto bitmap = ToMatrix<uint8_t>(matrix);
stbi_write_png((ToString(format) + ".png"s).c_str(), bitmap.width(), bitmap.height(), 1, bitmap.data(), 0);
}
#endif
int main()
{
std::string text = "http://www.google.com/";
for (auto format : {
BarcodeFormat::Aztec,
BarcodeFormat::DataMatrix,
BarcodeFormat::PDF417,
BarcodeFormat::QRCode })
{
#ifdef ZXING_EXPERIMENTAL_API
savePng(CreateBarcodeFromText(text, format).symbol(), format);
#else
savePng(MultiFormatWriter(format).encode(text, 200, 200), format);
#endif
}
text = "012345678901234567890123456789";
using FormatSpecs = std::vector<std::pair<BarcodeFormat, size_t>>;
for (const auto& [format, length] : FormatSpecs({
// {BarcodeFormat::Codabar, 0},
{BarcodeFormat::Code39, 0},
{BarcodeFormat::Code93, 0},
{BarcodeFormat::Code128, 0},
{BarcodeFormat::EAN8, 7},
{BarcodeFormat::EAN13, 12},
{BarcodeFormat::ITF, 0},
{BarcodeFormat::UPCA, 11},
{BarcodeFormat::UPCE, 7} }))
{
auto input = length > 0 ? text.substr(0, length) : text;
#ifdef ZXING_EXPERIMENTAL_API
savePng(CreateBarcodeFromText(input, format).symbol(), format);
#else
savePng(MultiFormatWriter(format).encode(input, 100, 100), format);
#endif
}
}
|
