WSJT-X/map65/plotter.cpp

793 lines
20 KiB
C++

#include "plotter.h"
#include <math.h>
#include <QDebug>
#include <fstream>
#include <iostream>
#define MAX_SCREENSIZE 2048
CPlotter::CPlotter(QWidget *parent) : //CPlotter Constructor
QFrame(parent)
{
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
setFocusPolicy(Qt::StrongFocus);
setAttribute(Qt::WA_PaintOnScreen,false);
setAutoFillBackground(false);
setAttribute(Qt::WA_OpaquePaintEvent, false);
setAttribute(Qt::WA_NoSystemBackground, true);
setMouseTracking(true);
m_StartFreq = 100;
m_nSpan=65; //Units: kHz
m_fSpan=(float)m_nSpan;
m_hdivs = HORZ_DIVS;
m_FreqUnits = 1;
m_Running = false;
m_paintEventBusy=false;
m_WaterfallPixmap = QPixmap(0,0);
m_ZoomWaterfallPixmap = QPixmap(0,0);
m_2DPixmap = QPixmap(0,0);
m_ScalePixmap = QPixmap(0,0);
m_ZoomScalePixmap = QPixmap(0,0);
m_Size = QSize(0,0);
m_fQSO = 125;
m_TXkHz = m_fQSO;
m_line = 0;
m_fSample = 96000;
m_paintAllZoom = false;
m_TxDF=0;
m_bDecodeFinished=false;
}
CPlotter::~CPlotter() { } // Destructor
QSize CPlotter::minimumSizeHint() const
{
return QSize(50, 50);
}
QSize CPlotter::sizeHint() const
{
return QSize(180, 180);
}
void CPlotter::resizeEvent(QResizeEvent* ) //resizeEvent()
{
if(!size().isValid()) return;
if( m_Size != size() ) {
//if changed, resize pixmaps to new screensize
m_Size = size();
int w = m_Size.width();
int h = (m_Size.height()-60)/2;
m_WaterfallPixmap = QPixmap(w,h);
m_ZoomWaterfallPixmap = QPixmap(w,h);
m_2DPixmap = QPixmap(w,h);
m_WaterfallPixmap.fill(Qt::black);
m_ZoomWaterfallPixmap.fill(Qt::black);
m_2DPixmap.fill(Qt::black);
memset(m_zwf,0,32768*h);
m_ScalePixmap = QPixmap(w,30);
m_ZoomScalePixmap = QPixmap(w,30); //(no change on resize...)
m_ScalePixmap.fill(Qt::white);
m_ZoomScalePixmap.fill(Qt::yellow);
}
SetCenterFreq(-1);
DrawOverlay();
}
void CPlotter::paintEvent(QPaintEvent *) // paintEvent()
{
static int x00=-99;
if(m_paintEventBusy) return;
m_paintEventBusy=true;
QPainter painter(this);
int w = m_Size.width();
int h = (m_Size.height()-60)/2;
painter.drawPixmap(0,0,m_ScalePixmap);
painter.drawPixmap(0,30,m_WaterfallPixmap);
if(m_2Dspec) {
painter.drawPixmap(0,h+30,m_ScalePixmap);
painter.drawPixmap(0,h+60,m_2DPixmap);
m_paintEventBusy=false;
return;
}
painter.drawPixmap(0,h+30,m_ZoomScalePixmap);
painter.drawPixmap(0,h+60,m_ZoomWaterfallPixmap);
QRect target(0,h+30,w,30); // (x,y,width,height)
QRect source(0,0,w,30);
painter.drawPixmap(target,m_ZoomScalePixmap,source);
float df=m_fSample/32768.0;
int x0=16384 + (0.001*(m_ZoomStartFreq+m_fCal)+m_fQSO-m_nkhz+1.27046) * \
1000.0/df + 0.5;
QPainter painter1(&m_WaterfallPixmap);
QPainter painter2(&m_ZoomWaterfallPixmap);
for(int i=0; i<w; i++) { //Paint the top row
painter2.setPen(m_ColorTbl[m_zwf[x0+i]]);
painter2.drawPoint(i,0);
}
if(m_paintAllZoom or (x0 != x00 and x00 != -99)) {
// If new fQSO, paint all rows
int k=x0;
for(int j=1; j<h; j++) {
k += 32768;
if(x0 != x00 and x00 != -99) {
for(int i=0; i<w; i++) {
painter2.setPen(m_ColorTbl[m_zwf[i+k]]);
painter2.drawPoint(i,j);
}
}
if(j == 13 and x0 == x00) {
painter2.setPen(m_ColorTbl[255]);
painter2.drawText(5,10,m_sutc);
}
}
} else if(m_line == 13) {
painter2.setPen(m_ColorTbl[255]);
UTCstr();
painter2.drawText(5,10,m_sutc);
}
// if(m_line==63) {
if(m_bDecodeFinished) {
/*
std::ifstream f;
f.open("./red.dat");
if(f) {
int x,y;
float freq,sync;
float slimit=6.0;
QPen pen0(Qt::red,1);
painter2.setPen(pen0);
for(int i=0; i<99999; i++) {
f >> freq >> sync;
if(f.eof()) break;
x=(freq - m_ZoomStartFreq)/df;
y=(sync-slimit)*3.0;
if(y>0) {
if(y>15.0) y=15.0;
if(x>=0 and x<=w) painter2.drawLine(x,0,x,y);
x=XfromFreq(float(fQSO()+0.001*freq));
painter1.setPen(pen0);
painter1.drawLine(x,0,x,y);
}
}
f.close();
}
*/
m_bDecodeFinished=false;
}
m_paintAllZoom=false;
x00=x0;
QRect target2(0,h+60,w,h); // (x,y,width,height)
QRect source2(0,0,w,h);
painter.drawPixmap(target2,m_ZoomWaterfallPixmap,source2);
m_paintEventBusy=false;
}
void CPlotter::DecodeFinished()
{
m_bDecodeFinished=true;
update(); //trigger a new paintEvent
}
void CPlotter::draw(float s[], int i0, float splot[]) //draw()
{
int i,j,w,h;
float y;
m_i0=i0;
w = m_WaterfallPixmap.width();
h = m_WaterfallPixmap.height();
double gain = pow(10.0,0.05*(m_plotGain+7));
//move current data down one line
//(must do this before attaching a QPainter object)
m_WaterfallPixmap.scroll(0,1,0,0,w,h);
m_ZoomWaterfallPixmap.scroll(0,1,0,0, w, h);
memmove(&m_zwf[32768],m_zwf,32768*(h-1));
QPainter painter1(&m_WaterfallPixmap);
QPainter painter2D(&m_2DPixmap);
for(i=0; i<256; i++) { //Zero the histograms
m_hist1[i]=0;
m_hist2[i]=0;
}
painter2D.setPen(Qt::green);
QRect tmp(0,0,w,h);
painter2D.fillRect(tmp,Qt::black);
QPoint LineBuf[MAX_SCREENSIZE];
j=0;
bool strong0=false;
bool strong=false;
for(i=0; i<w; i++) {
strong=false;
if(s[i]<0) {
strong=true;
s[i]=-s[i];
}
y = 10.0*log10(s[i]);
int y1 = 5.0*gain*(y + 29 -m_plotZero);
if (y1<0) y1=0;
if (y1>254) y1=254;
if (s[i]>1.e29) y1=255;
m_hist1[y1]++;
painter1.setPen(m_ColorTbl[y1]);
painter1.drawPoint(i,0);
if(m_2Dspec) {
int y2 = gain*(y + 34 -m_plotZero);
if (y2<0) y2=0;
if (y2>254) y2=254;
if (s[i]>1.e29) y2=255;
if(strong != strong0 or i==w-1) {
painter2D.drawPolyline(LineBuf,j);
j=0;
strong0=strong;
if(strong0) painter2D.setPen(Qt::red);
if(!strong0) painter2D.setPen(Qt::green);
}
LineBuf[j].setX(i);
LineBuf[j].setY(h-y2);
j++;
}
}
for(i=0; i<32768; i++) {
y = 10.0*log10(splot[i]);
int y1 = 5.0*gain*(y + 30 - m_plotZero);
if (y1<0) y1=0;
if (y1>254) y1=254;
if (splot[i]>1.e29) y1=255;
m_hist2[y1]++;
m_zwf[i]=y1;
}
if(s[0]>1.0e29) m_line=0;
m_line++;
if(m_line == 13) {
UTCstr();
painter1.setPen(m_ColorTbl[255]);
painter1.drawText(5,10,m_sutc);
m_paintAllZoom=true;
}
update(); //trigger a new paintEvent
}
void CPlotter::UTCstr()
{
int ihr,imin;
if(datcom_.ndiskdat != 0) {
ihr=datcom_.nutc/100;
imin=(datcom_.nutc) % 100;
} else {
qint64 ms = QDateTime::currentMSecsSinceEpoch() % 86400000;
imin=ms/60000;
ihr=imin/60;
imin=imin % 60;
}
m_sutc = QString {"%1:%2"}.arg (ihr, 2).arg (imin, 2);
}
void CPlotter::DrawOverlay() //DrawOverlay()
{
if(m_WaterfallPixmap.isNull()) return;
int w = m_WaterfallPixmap.width();
int x,y;
float pixperdiv;
QRect rect0;
QPainter painter0(&m_ScalePixmap);
//create Font to use for scales
QFont Font("Arial");
Font.setPointSize(12);
QFontMetrics metrics(Font);
Font.setWeight(QFont::Normal);
painter0.setFont(Font);
painter0.setPen(Qt::black);
m_binsPerPixel = m_nSpan * 32768.0/(w*0.001*m_fSample) + 0.5;
double FreqPerDiv=5.0;
double df = m_binsPerPixel*0.001*m_fSample/32768.0;
m_hdivs = w*df/FreqPerDiv + 0.9999;
m_fSpan = w*df;
m_ScalePixmap.fill(Qt::white);
painter0.drawRect(0, 0, w, 30);
//draw tick marks on wideband (upper) scale
pixperdiv = FreqPerDiv/df;
for( int i=1; i<m_hdivs; i++) { //major ticks
x = (int)( (float)i*pixperdiv );
painter0.drawLine(x,18,x,30);
}
for( int i=1; i<5*m_hdivs; i++) { //minor ticks
x = i*pixperdiv/5.0;
painter0.drawLine(x,24,x,30);
}
//draw frequency values
MakeFrequencyStrs();
for( int i=0; i<=m_hdivs; i++) {
if(0==i) {
//left justify the leftmost text
x = (int)( (float)i*pixperdiv);
rect0.setRect(x,0, (int)pixperdiv, 20);
painter0.drawText(rect0, Qt::AlignLeft|Qt::AlignVCenter,
m_HDivText[i]);
}
else if(m_hdivs == i) {
//right justify the rightmost text
x = (int)( (float)i*pixperdiv - pixperdiv);
rect0.setRect(x,0, (int)pixperdiv, 20);
painter0.drawText(rect0, Qt::AlignRight|Qt::AlignVCenter,
m_HDivText[i]);
} else {
//center justify the rest of the text
x = (int)( (float)i*pixperdiv - pixperdiv/2);
rect0.setRect(x,0, (int)pixperdiv, 20);
painter0.drawText(rect0, Qt::AlignHCenter|Qt::AlignVCenter,
m_HDivText[i]);
}
}
if(m_2Dspec) {
QPen pen0(Qt::green, 3); //Mark Cal Freq with green tick
painter0.setPen(pen0);
x = m_xClick;
painter0.drawLine(x,15,x,30);
int x0=(16384-m_i0)/m_binsPerPixel;
m_fGreen=(x-x0)*df;
x0 += (x0-x);
QPen pen3(Qt::red, 3);
painter0.setPen(pen3);
if(x0>0 and x0<w) painter0.drawLine(x0,15,x0,30);
} else {
QPen pen0(Qt::green, 3); //Mark fQSO with green tick
painter0.setPen(pen0);
x = XfromFreq(float(fQSO()));
painter0.drawLine(x,15,x,30);
QPen pen3(Qt::red, 3); //Mark Tx freq (kHz) with red tick
painter0.setPen(pen3);
x = XfromFreq(float(m_TXkHz));
painter0.drawLine(x,0,x,15);
}
// Now make the zoomed scale, using m_ZoomScalePixmap and painter3
QRect rect1;
QPainter painter3(&m_ZoomScalePixmap);
painter3.setFont(Font);
painter3.setPen(Qt::black);
FreqPerDiv=0.2;
df = 0.001*m_fSample/32768.0;
m_hdivs = 32768*df/FreqPerDiv + 0.9999;
int nlabs=df*w/0.2 + 1.0;
m_ZoomScalePixmap.fill(Qt::white);
painter3.drawRect(0, 0, w, 30);
pixperdiv = FreqPerDiv/df;
for( int i=0; i<10*nlabs; i++) {
x = i*pixperdiv/10;
y=24;
if ((i%5) == 0) y=18;
painter3.drawLine(x,y,x,30);
}
//draw frequency values
MakeFrequencyStrs();
for( int i=0; i<=nlabs; i++) {
x = (int)( (float)i*pixperdiv - pixperdiv/2);
rect1.setRect(x,0, (int)pixperdiv, 20);
painter3.drawText(rect1, Qt::AlignHCenter|Qt::AlignVCenter,
m_HDivText[i]);
}
df=m_fSample/32768.0;
if(m_bLockTxRx) m_TxDF=m_DF;
x = (m_DF + m_mode65*66*11025.0/4096.0 - m_ZoomStartFreq)/df;
QPen pen2(Qt::darkGreen, 3); //Mark top JT65B tone with dark Green tick
painter3.setPen(pen2);
painter3.drawLine(x,15,x,30);
x = (m_DF - m_ZoomStartFreq)/df;
QPen pen1(Qt::green, 3); //Mark DF with a green tick
painter3.setPen(pen1);
painter3.drawLine(x,15,x,30);
for(int i=2; i<5; i++) { //Mark the shorthand freqs
x = (m_DF + m_mode65*10*i*11025.0/4096.0 - m_ZoomStartFreq)/df;
painter3.drawLine(x,20,x,30);
}
int x1=(m_DF - m_tol - m_ZoomStartFreq)/df;
int x2=(m_DF + m_tol - m_ZoomStartFreq)/df;
pen1.setWidth(4);
painter3.setPen(pen1);
painter3.drawLine(x1,28,x2,28);
pen1.setWidth(3);
pen1.setColor(Qt::red); //Mark Tx DF with red tick
painter3.setPen(pen1);
x = (m_TxDF - m_ZoomStartFreq)/df;
painter3.drawLine(x,0,x,15);
}
void CPlotter::MakeFrequencyStrs() //MakeFrequencyStrs
{
float StartFreq = m_StartFreq;
float freq;
int i,j;
int FreqPerDiv=5;
if(m_hdivs > 100) {
m_FreqUnits = 1;
FreqPerDiv = 200;
int w = m_WaterfallPixmap.width();
float df=m_fSample/32768.0;
StartFreq = -w*df/2;
int n=StartFreq/FreqPerDiv;
StartFreq=n*200;
m_ZoomStartFreq = (int)StartFreq;
}
int numfractdigits = (int)log10((double)m_FreqUnits);
if(1 == m_FreqUnits) {
//if units is Hz then just output integer freq
for(int i=0; i<=m_hdivs; i++) {
freq = StartFreq/(float)m_FreqUnits;
m_HDivText[i].setNum((int)freq);
StartFreq += FreqPerDiv;
}
return;
}
//here if is fractional frequency values
//so create max sized text based on frequency units
for(int i=0; i<=m_hdivs; i++) {
freq = StartFreq/(float)m_FreqUnits;
m_HDivText[i].setNum(freq,'f', numfractdigits);
StartFreq += FreqPerDiv;
}
//now find the division text with the longest non-zero digit
//to the right of the decimal point.
int max = 0;
for(i=0; i<=m_hdivs; i++) {
int dp = m_HDivText[i].indexOf('.');
int l = m_HDivText[i].length()-1;
for(j=l; j>dp; j--) {
if(m_HDivText[i][j] != '0')
break;
}
if( (j-dp) > max)
max = j-dp;
}
//truncate all strings to maximum fractional length
StartFreq = m_CenterFreq - 0.5*m_fSpan;
for( i=0; i<=m_hdivs; i++) {
freq = (float)StartFreq/(float)m_FreqUnits;
m_HDivText[i].setNum(freq,'f', max);
StartFreq += FreqPerDiv;
}
}
int CPlotter::XfromFreq(float f) //XfromFreq()
{
float w = m_WaterfallPixmap.width();
int x = (int) w * (f - m_StartFreq)/m_fSpan;
if(x<0 ) return 0;
if(x>(int)w) return m_WaterfallPixmap.width();
return x;
}
float CPlotter::FreqfromX(int x) //FreqfromX()
{
float w = m_WaterfallPixmap.width();
float f =m_CenterFreq - 0.5*m_fSpan + m_fSpan * x/w;
return f;
}
void CPlotter::SetRunningState(bool running) //SetRunningState()
{
m_Running = running;
}
void CPlotter::setPlotZero(int plotZero) //setPlotZero()
{
m_plotZero=plotZero;
}
int CPlotter::getPlotZero() //getPlotZero()
{
return m_plotZero;
}
void CPlotter::setPlotGain(int plotGain) //setPlotGain()
{
m_plotGain=plotGain;
}
int CPlotter::getPlotGain() //getPlotGain()
{
return m_plotGain;
}
void CPlotter::SetCenterFreq(int f) //setCenterFreq()
{
// f is the integer kHz portion of cfreq, from Linrad packets
if(f<0) f=m_nkhz;
int ns = (f+m_FreqOffset-0.5*m_fSpan)/5.0 + 0.5;
double fs = 5*ns;
m_CenterFreq = fs + 0.5*m_fSpan;
}
qint64 CPlotter::centerFreq() //centerFreq()
{
return m_CenterFreq;
}
void CPlotter::SetStartFreq(quint64 f) //SetStartFreq()
{
m_StartFreq=f;
// resizeEvent(NULL);
DrawOverlay();
}
qint64 CPlotter::startFreq() //startFreq()
{
return m_StartFreq;
}
void CPlotter::SetFreqOffset(quint64 f) //SetFreqOffset()
{
m_FreqOffset=f;
DrawOverlay();
}
qint64 CPlotter::freqOffset() {return m_FreqOffset;} //freqOffset()
int CPlotter::plotWidth(){return m_WaterfallPixmap.width();}
void CPlotter::UpdateOverlay() {DrawOverlay();}
void CPlotter::setDataFromDisk(bool b) {m_dataFromDisk=b;}
void CPlotter::setTol(int n) //setTol()
{
m_tol=n;
DrawOverlay();
}
void CPlotter::setBinsPerPixel(int n) {m_binsPerPixel = n;} //set nbpp
int CPlotter::binsPerPixel(){return m_binsPerPixel;} //get nbpp
void CPlotter::setFQSO(int x, bool bf) //setFQSO()
{
if(bf) {
m_fQSO=x; // x is freq in kHz
} else {
if(x<0) x=0; // x is pixel number
if(x>m_Size.width()) x=m_Size.width();
m_fQSO = int(FreqfromX(x)+0.5);
m_xClick=x;
}
if(m_bLockTxRx) m_TXkHz=m_fQSO;
m_TXfreq = floor(datcom_.fcenter) + 0.001*m_TXkHz;
DrawOverlay();
update();
}
void CPlotter::setFcal(int n) //setFcal()
{
m_fCal=n;
}
void CPlotter::setNkhz(int n) //setNkhz()
{
m_nkhz=n;
}
int CPlotter::fQSO() {return m_fQSO;} //get fQSO
int CPlotter::DF() {return m_DF;} // get DF
void CPlotter::mousePressEvent(QMouseEvent *event) //mousePressEvent
{
int h = (m_Size.height()-60)/2;
int x=event->x();
int y=event->y();
int button=event->button();
if(y < h+30) { // Wideband waterfall
if(button==1) {
setFQSO(x,false);
}
if(button==2 and !m_bLockTxRx) {
if(x<0) x=0; // x is pixel number
if(x>m_Size.width()) x=m_Size.width();
m_TXkHz = int(FreqfromX(x)+0.5);
m_TXfreq = floor(datcom_.fcenter) + 0.001*m_TXkHz;
}
} else { // Zoomed waterfall
if(button==1) m_DF=int(m_ZoomStartFreq + x*m_fSample/32768.0);
if(button==2 and !m_bLockTxRx) m_TxDF=int(m_ZoomStartFreq + x*m_fSample/32768.0);
if(m_bLockTxRx) m_TxDF=m_DF;
}
DrawOverlay();
update();
}
void CPlotter::mouseDoubleClickEvent(QMouseEvent *event) //mouse2click
{
if(event->button()!=1) return; //Act only on left double-click
int h = (m_Size.height()-60)/2;
int x=event->x();
int y=event->y();
if(y < h+30) {
m_DF=0;
setFQSO(x,false);
emit freezeDecode1(2); //### ???
} else {
float f = m_ZoomStartFreq + x*m_fSample/32768.0;
m_DF=int(f);
emit freezeDecode1(1);
DrawOverlay();
}
}
int CPlotter::autoZero() //autoZero()
{
m_z1=0;
m_z2=0;
int sum1=0;
for(int i=0; i<256; i++) {
sum1 += m_hist1[i];
if(sum1 > m_Size.width()/2) {
m_z1=i;
break;
}
}
int sum2=0;
for(int i=0; i<256; i++) {
sum2 += m_hist2[i];
if(sum2 > 16384) {
m_z2=i;
break;
}
}
double gain = pow(10.0,0.05*(m_plotGain+7));
// double dz1 = (m_z1-38)/(5.0*gain);
double dz2 = (m_z2-28)/(5.0*gain);
if(m_z2 < 255) m_plotZero = int(m_plotZero + dz2 + 0.5);
return m_plotZero;
}
void CPlotter::setNSpan(int n) //setNSpan()
{
m_nSpan=n;
}
void CPlotter::setPalette(QString palette) //setPalette()
{
if(palette=="Linrad") {
float twopi=6.2831853;
float r,g,b,phi,x;
for(int i=0; i<256; i++) {
r=0.0;
if(i>105 and i<=198) {
phi=(twopi/4.0) * (i-105.0)/(198.0-105.0);
r=sin(phi);
} else if(i>=198) {
r=1.0;
}
g=0.0;
if(i>35 and i<198) {
phi=(twopi/4.0) * (i-35.0)/(122.5-35.0);
g=0.625*sin(phi);
} else if(i>=198) {
x=(i-186.0);
g=-0.014 + 0.0144*x -0.00007*x*x +0.000002*x*x*x;
if(g>1.0) g=1.0;
}
b=0.0;
if(i<=117) {
phi=(twopi/2.0) * i/117.0;
b=0.4531*sin(phi);
} else if(i>186) {
x=(i-186.0);
b=-0.014 + 0.0144*x -0.00007*x*x +0.000002*x*x*x;
if(b>1.0) b=1.0;
}
m_ColorTbl[i].setRgb(int(255.0*r),int(255.0*g),int(255.0*b));
}
m_ColorTbl[255].setRgb(255,255,100);
}
if(palette=="CuteSDR") {
for( int i=0; i<256; i++) {
if( (i<43) )
m_ColorTbl[i].setRgb( 0,0, 255*(i)/43);
if( (i>=43) && (i<87) )
m_ColorTbl[i].setRgb( 0, 255*(i-43)/43, 255 );
if( (i>=87) && (i<120) )
m_ColorTbl[i].setRgb( 0,255, 255-(255*(i-87)/32));
if( (i>=120) && (i<154) )
m_ColorTbl[i].setRgb( (255*(i-120)/33), 255, 0);
if( (i>=154) && (i<217) )
m_ColorTbl[i].setRgb( 255, 255 - (255*(i-154)/62), 0);
if( (i>=217) )
m_ColorTbl[i].setRgb( 255, 0, 128*(i-217)/38);
}
m_ColorTbl[255].setRgb(255,255,100);
}
}
void CPlotter::setFsample(int n)
{
m_fSample=n;
}
void CPlotter::setMode65(int n)
{
m_mode65=n;
DrawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent
}
void CPlotter::set2Dspec(bool b)
{
m_2Dspec=b;
m_paintAllZoom=!b;
DrawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent}
}
double CPlotter::fGreen()
{
return m_fGreen;
}
void CPlotter::setLockTxRx(bool b)
{
m_bLockTxRx=b;
if(m_bLockTxRx) {
m_TXkHz=m_fQSO;
m_TXfreq=floor(m_TXfreq) + 0.001*m_TXkHz;
m_TxDF=m_DF;
DrawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent}
}
}
void CPlotter::mouseMoveEvent (QMouseEvent * event)
{
int h = m_WaterfallPixmap.height();
int x=event->x();
int y=event->y();
bool lower=(y > 30+h);
float freq=FreqfromX(x);
float df=m_fSample/32768.0;
int ndf=x*df + m_ZoomStartFreq;
if(lower) {
QToolTip::showText(event->globalPos(),QString::number(ndf));
} else {
QToolTip::showText(event->globalPos(),QString::number(freq));
}
QWidget::mouseMoveEvent(event);
}
double CPlotter::rxFreq()
{
return floor(datcom_.fcenter) + 0.001*m_fQSO + 0.000001*m_DF;
}
double CPlotter::txFreq()
{
return m_TXfreq + 0.000001*m_TxDF;
}