static quint32 toUint(const QByteArray &data, bool bigEndian)
{
if (data.size() != 4)
return 0;
quint32 word = 0;
if (bigEndian) {
word = quint32((quint8(data.at(0)) << 24) |
(quint8(data.at(1)) << 16) |
(quint8(data.at(2)) << 8) |
(quint8(data.at(3)) << 0));
} else {
word = quint32((quint8(data.at(0)) << 0) |
(quint8(data.at(1)) << 8) |
(quint8(data.at(2)) << 16) |
(quint8(data.at(3)) << 24));
}
return word;
}
static float toFloat(const QString &data, bool bigEndian)
{
const QByteArray ba = QByteArray::fromHex(data.toLatin1());
quint32 word = toUint(ba, bigEndian);
const float *f = reinterpret_cast<const float *>(&word);
return *f;
}
static QString toHex(quint32 value, bool bigEndian)
{
QByteArray ba;
if (bigEndian) {
ba.append(char(value >> 24));
ba.append(char(value >> 16));
ba.append(char(value >> 8));
ba.append(char(value >> 0));
} else {
ba.append(char(value >> 0));
ba.append(char(value >> 8));
ba.append(char(value >> 16));
ba.append(char(value >> 24));
}
return ba.toHex().toUpper();
}
static QString toHex(float value, bool bigEndian)
{
const quint32 *i = reinterpret_cast<const quint32 *>(&value);
return toHex(*i, bigEndian);
}
void on_hexEdited()
{
const bool bigEndian = ui->bigEndian->isChecked();
float f = toFloat(ui->hexLineEdit->text(), bigEndian);
ui->floatLineEdit->setText(QString::number(double(f)));
}
void on_floatEdited()
{
const bool bigEndian = ui->bigEndian->isChecked();
const float f = ui->floatLineEdit->text().toFloat();
ui->hexLineEdit->setText(toHex(f, bigEndian));
}
void on_bigEndiantoggled()
{
on_floatLineEdit_textEdited();
}
