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/*
* Copyright 2016 Nu-book Inc.
*/
// SPDX-License-Identifier: Apache-2.0
#ifdef ZXING_EXPERIMENTAL_API
#include "WriteBarcode.h"
#else
#include "BitMatrix.h"
#include "BitMatrixIO.h"
#include "CharacterSet.h"
#include "MultiFormatWriter.h"
#endif
#include "Version.h"
#include <algorithm>
#include <cctype>
#include <cstring>
#include <fstream>
#include <iostream>
#include <string>
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <stb_image_write.h>
using namespace ZXing;
static void PrintUsage(const char* exePath)
{
std::cout << "Usage: " << exePath
<< " [-size <width/height>] [-eclevel <level>] [-noqz] [-hrt] <format> <text> <output>\n"
<< " -size Size of generated image\n"
// << " -margin Margin around barcode\n"
// << " -encoding Encoding used to encode input text\n"
<< " -eclevel Error correction level, [0-8]\n"
<< " -binary Interpret <text> as a file name containing binary data\n"
<< " -noqz Print barcode witout quiet zone\n"
<< " -hrt Print human readable text below the barcode (if supported)\n"
<< " -help Print usage information\n"
<< " -version Print version information\n"
<< "\n"
<< "Supported formats are:\n";
#ifdef ZXING_EXPERIMENTAL_API
for (auto f : BarcodeFormats::all())
#else
for (auto f : BarcodeFormatsFromString("Aztec Codabar Code39 Code93 Code128 DataMatrix EAN8 EAN13 ITF PDF417 QRCode UPCA UPCE"))
#endif
std::cout << " " << ToString(f) << "\n";
std::cout << "Format can be lowercase letters, with or without '-'.\n"
<< "Output format is determined by file name, supported are png, jpg and svg.\n";
}
static bool ParseSize(std::string str, int* width, int* height)
{
std::transform(str.begin(), str.end(), str.begin(), [](char c) { return (char)std::tolower(c); });
auto xPos = str.find('x');
if (xPos != std::string::npos) {
*width = std::stoi(str.substr(0, xPos));
*height = std::stoi(str.substr(xPos + 1));
return true;
}
return false;
}
struct CLI
{
BarcodeFormat format;
int sizeHint = 0;
std::string input;
std::string outPath;
std::string ecLevel;
bool inputIsFile = false;
bool withHRT = false;
bool withQZ = true;
bool verbose = false;
// CharacterSet encoding = CharacterSet::Unknown;
};
static bool ParseOptions(int argc, char* argv[], CLI& cli)
{
int nonOptArgCount = 0;
for (int i = 1; i < argc; ++i) {
auto is = [&](const char* str) { return strncmp(argv[i], str, strlen(argv[i])) == 0; };
if (is("-size")) {
if (++i == argc)
return false;
cli.sizeHint = std::stoi(argv[i]);
} else if (is("-eclevel")) {
if (++i == argc)
return false;
cli.ecLevel = argv[i];
// } else if (is("-margin")) {
// if (++i == argc)
// return false;
// cli.margin = std::stoi(argv[i]);
// } else if (is("-encoding")) {
// if (++i == argc)
// return false;
// cli.encoding = CharacterSetFromString(argv[i]);
} else if (is("-binary")) {
cli.inputIsFile = true;
} else if (is("-hrt")) {
cli.withHRT = true;
} else if (is("-noqz")) {
cli.withQZ = false;
} else if (is("-verbose")) {
cli.verbose = true;
} else if (is("-help") || is("--help")) {
PrintUsage(argv[0]);
exit(0);
} else if (is("-version") || is("--version")) {
std::cout << "ZXingWriter " << ZXING_VERSION_STR << "\n";
exit(0);
} else if (nonOptArgCount == 0) {
cli.format = BarcodeFormatFromString(argv[i]);
if (cli.format == BarcodeFormat::None) {
std::cerr << "Unrecognized format: " << argv[i] << std::endl;
return false;
}
++nonOptArgCount;
} else if (nonOptArgCount == 1) {
cli.input = argv[i];
++nonOptArgCount;
} else if (nonOptArgCount == 2) {
cli.outPath = argv[i];
++nonOptArgCount;
} else {
return false;
}
}
return nonOptArgCount == 3;
}
static std::string GetExtension(const std::string& path)
{
auto fileNameStart = path.find_last_of("/\\");
auto fileName = fileNameStart == std::string::npos ? path : path.substr(fileNameStart + 1);
auto extStart = fileName.find_last_of('.');
auto ext = extStart == std::string::npos ? "" : fileName.substr(extStart + 1);
std::transform(ext.begin(), ext.end(), ext.begin(), [](char c) { return std::tolower(c); });
return ext;
}
template <typename T = char>
std::vector<T> ReadFile(const std::string& fn)
{
std::basic_ifstream<T> ifs(fn, std::ios::binary);
if (!ifs.good())
throw std::runtime_error("failed to open/read file " + fn);
return ifs ? std::vector(std::istreambuf_iterator<T>(ifs), std::istreambuf_iterator<T>()) : std::vector<T>();
};
int main(int argc, char* argv[])
{
CLI cli;
if (!ParseOptions(argc, argv, cli)) {
PrintUsage(argv[0]);
return -1;
}
try {
#ifdef ZXING_EXPERIMENTAL_API
auto cOpts = CreatorOptions(cli.format).ecLevel(cli.ecLevel);
auto barcode = cli.inputIsFile ? CreateBarcodeFromBytes(ReadFile(cli.input), cOpts) : CreateBarcodeFromText(cli.input, cOpts);
auto wOpts = WriterOptions().sizeHint(cli.sizeHint).withQuietZones(cli.withQZ).withHRT(cli.withHRT).rotate(0);
auto bitmap = WriteBarcodeToImage(barcode, wOpts);
if (cli.verbose) {
std::cout << "Text: \"" << barcode.text() << "\"\n"
<< "Bytes: " << ToHex(barcode.bytes()) << "\n"
<< "Format: " << ToString(barcode.format()) << "\n"
<< "Identifier: " << barcode.symbologyIdentifier() << "\n"
<< "Content: " << ToString(barcode.contentType()) << "\n"
<< "HasECI: " << barcode.hasECI() << "\n"
<< "Position: " << ToString(barcode.position()) << "\n"
<< "Rotation: " << barcode.orientation() << " deg\n"
<< "IsMirrored: " << barcode.isMirrored() << "\n"
<< "IsInverted: " << barcode.isInverted() << "\n"
<< "ecLevel: " << barcode.ecLevel() << "\n";
std::cout << WriteBarcodeToUtf8(barcode);
}
#else
auto writer = MultiFormatWriter(cli.format).setMargin(cli.withQZ ? 10 : 0);
if (!cli.ecLevel.empty())
writer.setEccLevel(std::stoi(cli.ecLevel));
BitMatrix matrix;
if (cli.inputIsFile) {
auto file = ReadFile(cli.input);
std::wstring bytes;
for (uint8_t c : file)
bytes.push_back(c);
writer.setEncoding(CharacterSet::BINARY);
matrix = writer.encode(bytes, cli.sizeHint, std::clamp(cli.sizeHint / 2, 50, 300));
} else {
writer.setEncoding(CharacterSet::UTF8);
matrix = writer.encode(cli.input, cli.sizeHint, std::clamp(cli.sizeHint / 2, 50, 300));
}
auto bitmap = ToMatrix<uint8_t>(matrix);
#endif
auto ext = GetExtension(cli.outPath);
int success = 0;
if (ext == "" || ext == "png") {
success = stbi_write_png(cli.outPath.c_str(), bitmap.width(), bitmap.height(), 1, bitmap.data(), 0);
} else if (ext == "jpg" || ext == "jpeg") {
success = stbi_write_jpg(cli.outPath.c_str(), bitmap.width(), bitmap.height(), 1, bitmap.data(), 0);
} else if (ext == "svg") {
#ifdef ZXING_EXPERIMENTAL_API
success = (std::ofstream(cli.outPath) << WriteBarcodeToSVG(barcode, wOpts)).good();
#else
success = (std::ofstream(cli.outPath) << ToSVG(matrix)).good();
#endif
}
if (!success) {
std::cerr << "Failed to write image: " << cli.outPath << std::endl;
return -1;
}
} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
return -1;
}
return 0;
}
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