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#include <QCoreApplication>
#include <prison/DataMatrixBarcode>
#include <qstringlist.h>
#include <QImageWriter>
#include <QDebug>
#include <iostream>
#include <qtextstream.h>
void error(const QString& error, const QString& errormessage) {
QTextStream str(stdout);
str << error << ": " << errormessage << endl;
exit(0);
}
int main(int argc, char* argv[]) {
QCoreApplication app(argc,argv);
QString size;
QString outputfile;
QString outputformat;
QStringList arguments = app.arguments();
QString appname = arguments.takeFirst();
while(!arguments.isEmpty()) {
QString argument = arguments.takeFirst();
if(argument==QLatin1String("--")) {
break; //rest is data
} else if(argument==QLatin1String("--size")||argument==QLatin1String("-s")) {
size=arguments.takeFirst();
} else if(argument==QLatin1String("--outputfile") || argument==QLatin1String("--output-file") || argument==QLatin1String("-o")) {
outputfile = arguments.takeFirst();
} else if(argument==QLatin1String("--output-format") || argument==QLatin1String("--output-format") || argument==QLatin1String("-f")) {
outputformat = arguments.takeFirst();
} else if(argument.startsWith(QLatin1String("-"))) {
error("unknown argument",argument);
} else {
break;
}
}
if(outputformat.isEmpty()) {
outputformat=QLatin1String("png");
}
if(!QImageWriter::supportedImageFormats().contains(outputformat.toLocal8Bit())) {
error("unsupported output format", outputformat);
}
if(outputfile.isEmpty()) {
error("outputfile is missing",QString());
}
bool ok=false;
int intsize = size.toInt(&ok);
if(!ok) {
error("size not a int",size);
}
if(intsize < 10) {
error("needs a larger output size",size);
}
QString data = arguments.join(QLatin1String(" "));
if(data.size()==0) {
QTextStream in(stdin);
data = in.readAll();
if(data.size()==0) {
error("No data, neither on commandline nor on stdin",QString());
}
}
prison::DataMatrixBarcode barcode;
barcode.setData(data);
QImage result = barcode.toImage(QSizeF(intsize,intsize));
QImageWriter w(outputfile,outputformat.toLocal8Bit());
if(!w.write(result)) {
error("writing failed",w.errorString());
}
}
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