WSJT-X/plotter.cpp
Joe Taylor e028d06257 Approx code for AutoZero control.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2618 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-09-29 19:04:35 +00:00

527 lines
13 KiB
C++

#include "plotter.h"
#include <math.h>
#include <QDebug>
#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);
m_StartFreq = 1000;
m_nSpan=1000; //Units: Hz
m_fSpan=(float)m_nSpan;
m_hdivs = HORZ_DIVS;
m_FreqUnits = 1;
m_Running = false;
m_paintEventBusy=false;
m_WaterfallPixmap = QPixmap(0,0);
m_2DPixmap = QPixmap(0,0);
m_ScalePixmap = QPixmap(0,0);
m_LowerScalePixmap = QPixmap(0,0);
m_Size = QSize(0,0);
m_fQSO = 125;
m_line = 0;
m_fSample = 12000;
m_nsps=6912;
}
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_2DPixmap = QPixmap(w,h);
m_WaterfallPixmap.fill(Qt::black);
m_2DPixmap.fill(Qt::black);
m_ScalePixmap = QPixmap(w,30);
m_LowerScalePixmap = QPixmap(w,30); //(no change on resize...)
m_ScalePixmap.fill(Qt::white);
m_LowerScalePixmap.fill(Qt::yellow);
}
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);
painter.drawPixmap(0,h+30,m_ScalePixmap);
painter.drawPixmap(0,h+60,m_2DPixmap);
m_paintEventBusy=false;
}
void CPlotter::draw(float swide[], 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);
QPainter painter1(&m_WaterfallPixmap);
QPainter painter2D(&m_2DPixmap);
for(i=0; i<256; i++) { //Zero the histograms
m_hist1[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(swide[i]<0) {
strong=true;
swide[i]=-swide[i];
}
y = 10.0*log10(swide[i]);
int y1 = 5.0*gain*(y + 37 - m_plotZero);
if (y1<0) y1=0;
if (y1>254) y1=254;
if (swide[i]>1.e29) y1=255;
m_hist1[y1]++;
painter1.setPen(m_ColorTbl[y1]);
painter1.drawPoint(i,0);
int y2 = 0.7*gain*(y + 54 - m_plotZero);
if (y2<0) y2=0;
if (y2>254) y2=254;
if (swide[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++;
}
if(swide[0]>1.0e29) m_line=0;
m_line++;
if(m_line == 13) {
UTCstr();
painter1.setPen(Qt::white);
painter1.drawText(5,10,m_sutc);
}
update(); //trigger a new paintEvent
}
void CPlotter::UTCstr()
{
int ihr,imin,isec;
if(jt8com_.ndiskdat != 0) {
ihr=jt8com_.nutc/10000;
imin=(jt8com_.nutc/100) % 100;
} else {
qint64 ms = QDateTime::currentMSecsSinceEpoch() % 86400000;
imin=ms/60000;
ihr=imin/60;
imin=imin % 60;
}
if(isec<30) isec=0;
if(isec>=30) isec=30;
sprintf(m_sutc,"%2.2d:%2.2d",ihr,imin);
}
void CPlotter::DrawOverlay() //DrawOverlay()
{
if(m_WaterfallPixmap.isNull()) return;
int w = m_WaterfallPixmap.width();
int x,y;
int nHzDiv[11]={0,50,100,200,200,200,500,500,500,500,500};
float pixperdiv;
QRect rect0;
QPainter painter0(&m_ScalePixmap);
painter0.initFrom(this);
//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_fftBinWidth=12000.0/m_nsps;
if(m_binsPerPixel < 1) m_binsPerPixel=1;
double df = m_binsPerPixel*m_fftBinWidth;
m_fSpan = w*df;
// m_freqPerDiv=50*m_binsPerPixel;
// m_freqPerDiv=nHzDiv[m_binsPerPixel];
int n=m_fSpan/10;
m_freqPerDiv=10;
if(n>25) m_freqPerDiv=50;
if(n>70) m_freqPerDiv=100;
if(n>250) m_freqPerDiv=500;
m_hdivs = w*df/m_freqPerDiv + 0.9999;
m_ScalePixmap.fill(Qt::white);
painter0.drawRect(0, 0, w, 30);
//draw tick marks on wideband (upper) scale
// pixperdiv = m_binsPerPixel*m_freqPerDiv/df;
pixperdiv = m_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]);
}
}
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);
// Now make the lower scale, using m_LowerScalePixmap and painter3
QRect rect1;
QPainter painter3(&m_LowerScalePixmap);
painter3.initFrom(this);
painter3.setFont(Font);
painter3.setPen(Qt::black);
df = 12000.0/m_nsps;
int nlabs=df*w/m_freqPerDiv + 1.0;
m_LowerScalePixmap.fill(Qt::white);
painter3.drawRect(0, 0, w, 30);
pixperdiv = m_freqPerDiv/df;
for( int i=0; i<10*nlabs; i++) {
x = i*pixperdiv/10;
y=24;
if ((i%10) == 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]);
}
}
void CPlotter::MakeFrequencyStrs() //MakeFrequencyStrs
{
float freq;
int i,j;
for(int i=0; i<=m_hdivs; i++) {
freq = m_StartFreq + i*m_freqPerDiv;
m_HDivText[i].setNum((int)freq);
// StartFreq += m_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()
{
return float(1000.0 + m_fftBinWidth*x);
}
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::SetStartFreq(quint64 f) //SetStartFreq()
{
m_StartFreq=f;
// resizeEvent(NULL);
DrawOverlay();
}
qint64 CPlotter::startFreq() //startFreq()
{
return m_StartFreq;
}
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) // set nbpp
{
m_binsPerPixel = n;
DrawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent}
}
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;
}
DrawOverlay();
update();
}
void CPlotter::setFcal(int n) //setFcal()
{
m_fCal=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();
setFQSO(x,false); // Wideband waterfall
}
void CPlotter::mouseDoubleClickEvent(QMouseEvent *event) //mouse2click
{
int h = (m_Size.height()-60)/2;
int x=event->x();
int y=event->y();
m_DF=0;
setFQSO(x,false);
emit freezeDecode1(2); //### ???
}
int CPlotter::autoZero() //autoZero()
{
int w = m_Size.width();
m_z1=0;
int sum1=0;
for(int i=0; i<256; i++) {
sum1 += m_hist1[i];
if(sum1 > int(0.7*w)) {
m_z1=i;
break;
}
}
double gain = pow(10.0,0.05*(m_plotGain+7));
if(m_z1 < 255) {
double dz1 = m_z1/(5.0*gain);
m_plotZero = int(m_plotZero + dz1 + 0.5);
if(m_z1==0) m_plotZero = m_plotZero - 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);
}
if(palette=="Blue") {
FILE* fp=fopen("blue.dat","r");
int n,r,g,b;
float xr,xg,xb;
for(int i=0; i<256; i++) {
fscanf(fp,"%d%f%f%f",&n,&xr,&xg,&xb);
r=255.0*xr + 0.5;
g=255.0*xg + 0.5;
b=255.0*xb + 0.5;
m_ColorTbl[i].setRgb(r,g,b);
}
}
if(palette=="AFMHot") {
FILE* fp=fopen("afmhot.dat","r");
int n,r,g,b;
float xr,xg,xb;
for(int i=0; i<256; i++) {
fscanf(fp,"%d%f%f%f",&n,&xr,&xg,&xb);
r=255.0*xr + 0.5;
g=255.0*xg + 0.5;
b=255.0*xb + 0.5;
m_ColorTbl[i].setRgb(r,g,b);
}
}
}
double CPlotter::fGreen()
{
return m_fGreen;
}
void CPlotter::setNsps(int n) //setNSpan()
{
m_nsps=n;
DrawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent}
}