void Meter::stepNonLogic()
{
if (b_firstRun)
{
p_displayText->setText(displayText());
updateAttachedPositioning();
setChanged();
property("0-minValue")->setUnit(m_unit);
property("1-maxValue")->setUnit(m_unit);
b_firstRun = false;
}
const double v = meterValue();
if ( !b_timerStarted && std::abs(((v-m_old_value)/m_old_value)) > 1e-6 ) {
b_timerStarted = true;
}
if (b_timerStarted) {
m_timeSinceUpdate += LINEAR_UPDATE_PERIOD;
m_avgValue += v * LINEAR_UPDATE_PERIOD;
// setChanged();
if ( m_timeSinceUpdate > 0.05 )
{
if ( p_displayText->setText(displayText()) )
updateAttachedPositioning();
}
}
}
void Spectrum::paintEvent(QPaintEvent*) {
QPainter painter(this);
int filterLeft;
int filterRight;
QString text;
float step=(float)sampleRate/(float)width();
int offset=(int)((float)LO_offset/step);
QLinearGradient gradient(0, 0, 0,height());
gradient.setColorAt(0, Qt::black);
gradient.setColorAt(1, Qt::gray);
painter.setBrush(gradient);
painter.drawRect(0, 0, width(), height());
if(sampleRate==0) {
qDebug() << "sampleRate is 0";
return;
}
float zoom_factor = 1.0f + zoom/25.0f;
// draw cursor
painter.setPen(QPen(Qt::red, 1));
painter.drawLine((width()/2)+offset*zoom_factor,0,(width()/2)+offset*zoom_factor,height());
// draw filter
filterLeft = width()/2 + (float)(filterLow+LO_offset)* (float)width()*zoom_factor/(float)sampleRate;
filterRight = width()/2 + (float)(filterHigh+LO_offset)*(float)width()*zoom_factor/(float)sampleRate;
painter.setBrush(Qt::SolidPattern);
painter.setOpacity(0.5);
painter.fillRect(filterLeft,0,filterRight-filterLeft,height(),Qt::gray);
// draw sub rx filter and cursor
if(subRx) {
//int cursor=((subRxFrequency-(frequency-(sampleRate/2))) * width() / sampleRate)+offset;
int cursor = width()/2 + (float)(subRxFrequency-frequency+LO_offset)
* (float)width()*zoom_factor/(float)sampleRate;
filterLeft = width()/2 + (float)(filterLow+LO_offset+subRxFrequency-frequency)
* (float)width()*zoom_factor/(float)sampleRate;
filterRight = width()/2 + (float)(filterHigh+LO_offset+subRxFrequency-frequency)
* (float)width()*zoom_factor/(float)sampleRate;
painter.setBrush(Qt::SolidPattern);
painter.setOpacity(0.5);
painter.fillRect(filterLeft, 0, filterRight - filterLeft, height(), Qt::lightGray);
painter.setPen(QPen(Qt::red, 1));
painter.drawLine(cursor,0,cursor,height());
}
// plot horizontal dBm lines
int V = spectrumHigh - spectrumLow;
int numSteps = V / 20;
for (int i = 1; i < numSteps; i++) {
int num = spectrumHigh - i * 20;
int y = (int) floor((spectrumHigh - num) * height() / V);
painter.setOpacity(0.5);
painter.setPen(QPen(Qt::white, 1,Qt::DotLine));
painter.drawLine(0, y, width(), y);
painter.setOpacity(1.0);
painter.setPen(QPen(Qt::green, 1));
painter.setFont(QFont("Arial", 10));
painter.drawText(3,y,QString::number(num)+" dBm");
}
// plot the vertical frequency lines
float hzPerPixel=(float)sampleRate/(float)width()/zoom_factor;
long long lineStep = 10000;
if (sampleRate > 1000000) lineStep = 100000;
else if (sampleRate > 500000) lineStep = 50000;
else if (sampleRate > 200000) lineStep = 20000;
for(int i=0;i<width();i++) {
long long f=frequency-((float)sampleRate/zoom_factor/2.0)-(float)LO_offset+(long long)(hzPerPixel*(float)i);
if(f>0) {
if((f % lineStep)<(long long)hzPerPixel) {
painter.setOpacity(0.5);
painter.setPen(QPen(Qt::white, 1,Qt::DotLine));
painter.drawLine(i, 0, i, height());
painter.setOpacity(1.0);
painter.setPen(QPen(Qt::black, 1));
painter.setFont(QFont("Arial", 10));
text.sprintf("%lld.%02lld",f/1000000,f%1000000/10000);
painter.drawText(i,height(),text);
}
}
}
// draw the band limits
long long min_display=frequency-((float)sampleRate/zoom_factor/2.0);
long long max_display=frequency+((float)sampleRate/zoom_factor/2.0);
if(band_min!=0LL && band_max!=0LL) {
int i;
painter.setPen(QPen(Qt::red, 2));
if((min_display<band_min)&&(max_display>band_min)) {
i=(band_min-min_display)/(long long)hzPerPixel;
painter.drawLine(i,0,i,height());
}
if((min_display<band_max)&&(max_display>band_max)) {
i=(band_max-min_display)/(long long)hzPerPixel;
painter.drawLine(i+1,0,i+1,height());
}
}
// draw the squelch
if(settingSquelch || showSquelchControl) {
squelchY=(int) floor(((float) spectrumHigh - squelchVal)*(float) height() / (float) (spectrumHigh - spectrumLow));
painter.setPen(QPen(Qt::red, 1,Qt::DashLine));
painter.drawLine(0,squelchY,width(),squelchY);
painter.setFont(QFont("Arial", 10));
text.sprintf("%s","Squelch");
painter.drawText(width()-48,squelchY,text);
} else if(squelch) {
squelchY=(int) floor(((float) spectrumHigh - squelchVal)*(float) height() / (float) (spectrumHigh - spectrumLow));
painter.setPen(QPen(Qt::red, 1));
painter.drawLine(0,squelchY,width(),squelchY);
painter.setFont(QFont("Arial", 10));
text.sprintf("%s","Squelch");
painter.drawText(width()-48,squelchY,text);
}
emit meterValue(meter, subrx_meter);
// plot Spectrum
painter.setOpacity(0.9);
painter.setPen(QPen(Qt::yellow, 1));
if(plot.count()==width()) {
painter.drawPolyline(plot.constData(),plot.count());
}
// show the subrx frequency
if(subRx) {
// show the frequency
painter.setPen(QPen(Qt::green,1));
painter.setFont(QFont("Verdana", 30));
}
}
void Spectrum::paintEvent(QPaintEvent*) {
QPainter painter(this);
int filterLeft;
int filterRight;
QString text;
QLinearGradient gradient(0, 0, 0,height());
gradient.setColorAt(0, Qt::black);
gradient.setColorAt(1, Qt::gray);
painter.setBrush(gradient);
painter.drawRect(0, 0, width(), height());
if(sampleRate==0) {
qDebug() << "sampleRate is 0";
return;
}
// draw filter
filterLeft = (filterLow - (-sampleRate / 2)) * width() / sampleRate;
filterRight = (filterHigh - (-sampleRate / 2)) * width() / sampleRate;
painter.setBrush(Qt::SolidPattern);
painter.setOpacity(0.5);
painter.fillRect(filterLeft,0,filterRight-filterLeft,height(),Qt::gray);
// draw sub rx filter and cursor
if(subRx) {
int cursor=(subRxFrequency-(frequency-(sampleRate/2))) * width() / sampleRate;
filterLeft = (filterLow - (-sampleRate / 2) + (subRxFrequency-frequency)) * width() / sampleRate;
filterRight = (filterHigh - (-sampleRate / 2) + (subRxFrequency-frequency)) * width() / sampleRate;
painter.setBrush(Qt::SolidPattern);
painter.setOpacity(0.5);
painter.fillRect(filterLeft, 0, filterRight - filterLeft, height(), Qt::lightGray);
painter.setPen(QPen(Qt::red, 1));
painter.drawLine(cursor,0,cursor,height());
}
// plot horizontal dBm lines
int V = spectrumHigh - spectrumLow;
int numSteps = V / 20;
for (int i = 1; i < numSteps; i++) {
int num = spectrumHigh - i * 20;
int y = (int) floor((spectrumHigh - num) * height() / V);
painter.setOpacity(0.5);
painter.setPen(QPen(Qt::white, 1,Qt::DotLine));
painter.drawLine(0, y, width(), y);
painter.setOpacity(1.0);
painter.setPen(QPen(Qt::green, 1));
painter.setFont(QFont("Arial", 10));
painter.drawText(3,y,QString::number(num)+" dBm");
}
// plot the vertical frequency lines
float hzPerPixel=(float)sampleRate/(float)width();
long long f=frequency-(sampleRate/2);
for(int i=0;i<width();i++) {
f=frequency-(sampleRate/2)+(long long)(hzPerPixel*(float)i);
if(f>0) {
if((f%10000)<(long long)hzPerPixel) {
painter.setOpacity(0.5);
painter.setPen(QPen(Qt::white, 1,Qt::DotLine));
painter.drawLine(i, 0, i, height());
painter.setOpacity(1.0);
painter.setPen(QPen(Qt::black, 1));
painter.setFont(QFont("Arial", 10));
text.sprintf("%lld.%02lld",f/1000000,f%1000000/10000);
painter.drawText(i,height(),text);
}
}
}
// draw the band limits
long long min_display=frequency-(sampleRate/2);
long long max_display=frequency+(sampleRate/2);
if(band_min!=0LL && band_max!=0LL) {
int i;
painter.setPen(QPen(Qt::red, 2));
if((min_display<band_min)&&(max_display>band_min)) {
i=(band_min-min_display)/(long long)hzPerPixel;
painter.drawLine(i,0,i,height());
}
if((min_display<band_max)&&(max_display>band_max)) {
i=(band_max-min_display)/(long long)hzPerPixel;
painter.drawLine(i+1,0,i+1,height());
}
}
// draw cursor
painter.setPen(QPen(Qt::red, 1));
painter.drawLine(width()/2,0,width()/2,height());
// show the frequency
painter.setPen(QPen(Qt::green,1));
painter.setFont(QFont("Verdana", 30));
painter.drawText(width()/2,30,strFrequency);
// show the band and mode and filter
painter.setFont(QFont("Arial", 12));
text=band+" "+mode+" "+filter+"Hz";
painter.drawText((width()/2),50,text);
// show the server and receiver
text="Server:"+host+" Rx:"+QString::number(receiver);
painter.drawText(5,15,text);
// draw the analog meters
// painter.setOpacity(0.8);
// QImage image=sMeterMain->getImage(meter);
// painter.drawImage(width()-image.width()-5,0,image);
emit meterValue(meter, subrx_meter);
// qDebug() << "Spectrum meter value = " << meter;
if(subRx) {
// image=sMeterSub->getImage(subrx_meter);
// painter.drawImage(width()-image.width()-5,image.height()+5,image);
// emit meterValue(subrx_meter);
}
// plot Spectrum
painter.setOpacity(0.9);
painter.setPen(QPen(Qt::yellow, 1));
if(plot.count()==width()) {
painter.drawPolyline(plot.constData(),plot.count());
}
// show the subrx frequency
if(subRx) {
/*
filterRight = (filterHigh - (-sampleRate / 2) + (subRxFrequency-frequency)) * width() / sampleRate;
painter.setPen(QPen(Qt::black,1));
painter.setFont(QFont("Arial", 12));
painter.drawText(filterRight,height()-20,strSubRxFrequency);
*/
// show the frequency
painter.setPen(QPen(Qt::green,1));
painter.setFont(QFont("Verdana", 30));
// painter.drawText(width()/2,image.height()+5+30,strSubRxFrequency);
}
}
