Function writeMatrix

openbr/core/bee.cpp:179–213

}

void writeMatrix(const Mat &m, const QString &fileName, const QString &targetSigset, const QString &querySigset)
{
    bool isMask = false;
    if (m.type() == OpenCVType<BEE::MaskValue,1>::make())
        isMask = true;
    else if (m.type() != OpenCVType<BEE::SimmatValue,1>::make())
        qFatal("Invalid matrix type, .mtx files can only contain single channel float or uchar matrices.");

    const int elemSize = isMask ? sizeof(BEE::MaskValue) : sizeof(BEE::SimmatValue);
    const QString matrixType = isMask ? "B" : "F";

    char buff[4];
    QFile file(fileName);
    QtUtils::touchDir(file);
    if (!file.open(QFile::WriteOnly))
        qFatal("Unable to open %s for writing.", qPrintable(fileName));
    file.write("S2\n");
    file.write(qPrintable(targetSigset));
    file.write("\n");
    file.write(qPrintable(querySigset));
    file.write("\n");
    file.write("M");
    file.write(qPrintable(matrixType));
    file.write(" ");
    file.write(qPrintable(QString::number(m.rows)));
    file.write(" ");
    file.write(qPrintable(QString::number(m.cols)));
    file.write(" ");
    const int endian = 0x12345678;
    memcpy(&buff, &endian, 4);
    file.write(buff, 4);
    file.write("\n");
    file.write((const char*)m.data, m.rows*m.cols*elemSize);
    file.close();
}

void readMatrixHeader(const QString &matrix, QString *targetSigset, QString *querySigset)
{