void LED::setDiameter(double diameter)
{
diameter_ = diameter;
pixX_ = round(double(height())/heightMM());
pixY_ = round(double(width())/widthMM());
diamX_ = diameter_*pixX_;
diamY_ = diameter_*pixY_;
update();
}
void ScreenRuler::UpdateDisplayPixelsPerCM()
{
qreal horDotsPerCM = 44;
qreal verDotsPerCM = 44;
#ifdef Q_OS_WIN
EDIDReader reader;
QString strManufacture = reader.GetManufactureName();
horDotsPerCM = 10.0 * reader.GetScreenWidth() / reader.GetScreenWidthMM();
verDotsPerCM = 10.0 * reader.GetScreenHeight() / reader.GetScreenHeightMM();
if (reader.GetScreenWidthMM() == 0 || reader.GetScreenHeightMM() == 0)
{
QMessageBox msgBox(QMessageBox::Warning,
"Display Information",
"Read display information failed",
QMessageBox::Ok,
this);
msgBox.exec();
}
else
{
m_horDotsPerCM = horDotsPerCM;
m_verDotsPerCM = verDotsPerCM;
m_rulerDescription = QString("Manufacture: %1, Size: %2mm * %3mm, Resolution: %4 * %5.")
.arg(reader.GetManufactureName())
.arg(reader.GetScreenWidthMM())
.arg(reader.GetScreenHeightMM())
.arg(reader.GetScreenWidth())
.arg(reader.GetScreenHeight());
QString msgBoxTitle = tr("Display Information");
QString msgBoxText;
if (reader.HasMultiScreen())
{
msgBoxText = QString("This computer has multi-screen. For 1mV ECG wave draw 1cm.\n Please use this display:\n\n\tManufacture: %1\n\tSceen size: %2mm * %3mm\n\tResolution: %4 * %5")
.arg(strManufacture)
.arg(reader.GetScreenWidthMM())
.arg(reader.GetScreenHeightMM())
.arg(reader.GetScreenWidth())
.arg(reader.GetScreenHeight());
}
else
{
msgBoxText = QString("This PC has only one screen. Display information:\n\n\tManufacture: %1\n\tSceen size: %2mm * %3mm\n\tResolution: %4 * %5")
.arg(strManufacture)
.arg(reader.GetScreenWidthMM())
.arg(reader.GetScreenHeightMM())
.arg(reader.GetScreenWidth())
.arg(reader.GetScreenHeight());
}
QMessageBox msgBox(QMessageBox::Information, msgBoxTitle, msgBoxText, QMessageBox::Ok, this);
//msgBox.exec();
}
#else
horDotsPerCM = width();
horDotsPerCM = 10.0 * horDotsPerCM / widthMM();
verDotsPerCM = height();
verDotsPerCM = 10.0 * verDotsPerCM / heightMM();
#endif
}
