mirror of https://github.com/saitohirga/WSJT-X.git
326 lines
8.4 KiB
C++
326 lines
8.4 KiB
C++
#include "echoplot.h"
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#include "commons.h"
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#include <math.h>
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#include <QPainter>
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#include <QPen>
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#include <QDebug>
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#include "moc_echoplot.cpp"
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#define MAX_SCREENSIZE 2048
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EPlotter::EPlotter(QWidget *parent) : //EPlotter Constructor
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QFrame(parent)
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{
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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setFocusPolicy(Qt::StrongFocus);
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setAttribute(Qt::WA_PaintOnScreen,false);
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setAutoFillBackground(false);
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setAttribute(Qt::WA_OpaquePaintEvent, false);
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setAttribute(Qt::WA_NoSystemBackground, true);
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m_StartFreq = -200;
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m_fftBinWidth=12000.0/32768.0;
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m_binsPerPixel=1;
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m_fSpan=1000.0;
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m_hdivs = HORZ_DIVS;
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m_Running = false;
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m_paintEventBusy=false;
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m_2DPixmap = QPixmap(0,0);
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m_ScalePixmap = QPixmap(0,0);
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m_OverlayPixmap = QPixmap(0,0);
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m_Size = QSize(0,0);
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m_TxFreq = 1500;
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m_line = 0;
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m_dBStepSize=10;
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}
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EPlotter::~EPlotter() { } // Destructor
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QSize EPlotter::minimumSizeHint() const
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{
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return QSize(50, 50);
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}
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QSize EPlotter::sizeHint() const
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{
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return QSize(180, 180);
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}
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void EPlotter::resizeEvent(QResizeEvent* ) //resizeEvent()
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{
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if(!size().isValid()) return;
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if( m_Size != size() ) { //if changed, resize pixmaps to new screensize
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m_Size = size();
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m_w = m_Size.width();
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m_h = m_Size.height();
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m_h1=30;
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m_h2=m_h-m_h1;
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m_2DPixmap = QPixmap(m_Size.width(), m_h2);
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m_2DPixmap.fill(Qt::black);
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m_OverlayPixmap = QPixmap(m_Size.width(), m_h2);
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m_ScalePixmap = QPixmap(m_w,30);
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m_ScalePixmap.fill(Qt::white);
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m_fSpan=m_w*m_fftBinWidth*m_binsPerPixel;
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m_StartFreq=50 * int((-0.5*m_fSpan)/50.0 - 0.5);
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}
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DrawOverlay();
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draw();
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}
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void EPlotter::paintEvent(QPaintEvent *) // paintEvent()
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{
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if(m_paintEventBusy) return;
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m_paintEventBusy=true;
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QPainter painter(this);
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painter.drawPixmap(0,0,m_ScalePixmap);
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painter.drawPixmap(0,m_h1,m_2DPixmap);
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m_paintEventBusy=false;
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}
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void EPlotter::draw() //draw()
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{
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int i,j,y;
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float blue[4096],red[4096];
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float gain = pow(10.0,(m_plotGain/20.0));
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QPen penBlue(QColor(0,255,255),1);
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QPen penRed(Qt::red,1);
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QPen penRed2(Qt::red,2);
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QPen penBlack(Qt::black,1);
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QPen penBlack2(Qt::black,2);
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if(m_2DPixmap.size().width()==0) return;
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QPainter painter2D(&m_2DPixmap);
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QRect tmp(0,0,m_w,m_h2);
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if(m_nColor < 2) {
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painter2D.fillRect(tmp,Qt::black);
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} else {
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painter2D.fillRect(tmp,Qt::white);
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painter2D.setPen(penBlack);
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painter2D.drawLine(0,0,m_w,0);
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}
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QPoint LineBuf[MAX_SCREENSIZE];
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if(m_binsPerPixel==0) m_binsPerPixel=1;
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j=0;
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for(i=0; i<4096/m_binsPerPixel; i++) {
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blue[i]=0.0;
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red[i]=0.0;
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for(int k=0; k<m_binsPerPixel; k++) {
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blue[i]+=echocom_.blue[j];
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red[i]+=echocom_.red[j];
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j++;
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}
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}
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if(m_smooth>0) {
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for(i=0; i<m_smooth; i++) {
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int n4096=4096;
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smo121_(blue,&n4096);
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smo121_(red,&n4096);
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}
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}
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// check i0 value! ...
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int i0=2048/m_binsPerPixel + int(m_StartFreq/(m_fftBinWidth*m_binsPerPixel));
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if(m_blue) {
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painter2D.setPen(penBlue);
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j=0;
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for(i=0; i<m_w; i++) {
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y = 0.9*m_h2 - gain*(m_h/10.0)*(blue[i0+i]-1.0) - 0.01*m_h2*m_plotZero;
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LineBuf[j].setX(i);
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LineBuf[j].setY(y);
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j++;
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}
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painter2D.drawPolyline(LineBuf,j);
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}
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switch (m_nColor) {
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case 0: painter2D.setPen(penRed); break;
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case 1: painter2D.setPen(penRed2); break;
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case 2: painter2D.setPen(penRed); break;
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case 3: painter2D.setPen(penRed2); break;
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case 4: painter2D.setPen(penBlack); break;
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case 5: painter2D.setPen(penBlack2); break;
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}
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j=0;
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for(int i=0; i<m_w; i++) {
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y = 0.9*m_h2 - gain*(m_h/10.0)*(red[i0+i]-1.0) - 0.01*m_h2*m_plotZero;
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LineBuf[j].setX(i);
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LineBuf[j].setY(y);
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j++;
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}
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painter2D.drawPolyline(LineBuf,j);
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update(); //trigger a new paintEvent
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}
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void EPlotter::DrawOverlay() //DrawOverlay()
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{
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if(m_OverlayPixmap.isNull() or m_2DPixmap.isNull()) return;
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// int w = m_WaterfallPixmap.width();
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int x,y;
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QPainter painter(&m_OverlayPixmap);
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painter.setBackground (palette ().brush (backgroundRole ()));
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QLinearGradient gradient(0, 0, 0 ,m_h2); //fill background with gradient
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gradient.setColorAt(1, Qt::black);
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gradient.setColorAt(0, Qt::darkBlue);
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painter.setBrush(gradient);
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painter.drawRect(0, 0, m_w, m_h2);
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painter.setBrush(Qt::SolidPattern);
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m_fSpan = m_w*m_fftBinWidth*m_binsPerPixel;
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m_freqPerDiv=20;
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if(m_fSpan>250) m_freqPerDiv=50;
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if(m_fSpan>500) m_freqPerDiv=100;
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if(m_fSpan>1000) m_freqPerDiv=200;
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if(m_fSpan>2000) m_freqPerDiv=500;
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// m_StartFreq=50 * int((-0.5*m_fSpan)/50.0 - 0.5);
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m_StartFreq=m_freqPerDiv * int((-0.5*m_fSpan)/m_freqPerDiv - 0.5);
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float pixPerHdiv = m_freqPerDiv/(m_fftBinWidth*m_binsPerPixel);
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float pixPerVdiv = float(m_h2)/float(VERT_DIVS);
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m_hdivs = m_w*m_fftBinWidth*m_binsPerPixel/m_freqPerDiv + 0.9999;
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painter.setPen(QPen(Qt::white, 1,Qt::DotLine));
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for( int i=1; i<m_hdivs; i++) //draw vertical grids
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{
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x=int(i*pixPerHdiv);
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painter.drawLine(x,0,x,m_h2);
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}
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for( int i=1; i<VERT_DIVS; i++) //draw horizontal grids
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{
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y = (int)( (float)i*pixPerVdiv );
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painter.drawLine(0,y,m_w,y);
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}
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QRect rect0;
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QPainter painter0(&m_ScalePixmap);
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painter0.setBackground (palette ().brush (backgroundRole ()));
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//create Font to use for scales
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QFont Font("Arial");
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Font.setPointSize(12);
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QFontMetrics metrics(Font);
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Font.setWeight(QFont::Normal);
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painter0.setFont(Font);
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painter0.setPen(Qt::black);
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m_ScalePixmap.fill(Qt::white);
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painter0.drawRect(0, 0, m_w, 30);
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//draw tick marks on upper scale
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for( int i=1; i<m_hdivs; i++) { //major ticks
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x = (int)( (float)i*pixPerHdiv );
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painter0.drawLine(x,18,x,30);
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}
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int minor=5;
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if(m_freqPerDiv==200) minor=4;
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for( int i=1; i<minor*m_hdivs; i++) { //minor ticks
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x = i*pixPerHdiv/minor;
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painter0.drawLine(x,24,x,30);
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}
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//draw frequency values
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MakeFrequencyStrs();
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for( int i=0; i<=m_hdivs; i++) {
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if(0==i) {
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//left justify the leftmost text
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x = (int)( (float)i*pixPerHdiv);
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rect0.setRect(x,0, (int)pixPerHdiv, 20);
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painter0.drawText(rect0, Qt::AlignLeft|Qt::AlignVCenter,
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m_HDivText[i]);
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}
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else if(m_hdivs == i) {
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//right justify the rightmost text
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x = (int)( (float)i*pixPerHdiv - pixPerHdiv);
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rect0.setRect(x,0, (int)pixPerHdiv, 20);
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painter0.drawText(rect0, Qt::AlignRight|Qt::AlignVCenter,
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m_HDivText[i]);
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} else {
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//center justify the rest of the text
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x = (int)( (float)i*pixPerHdiv - pixPerHdiv/2);
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rect0.setRect(x,0, (int)pixPerHdiv, 20);
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painter0.drawText(rect0, Qt::AlignHCenter|Qt::AlignVCenter,
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m_HDivText[i]);
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}
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}
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/*
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QPen pen1(Qt::red, 3); //Mark Tx Freq with red tick
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painter0.setPen(pen1);
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x = XfromFreq(m_TxFreq);
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painter0.drawLine(x,17,x,30);
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*/
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}
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void EPlotter::MakeFrequencyStrs() //MakeFrequencyStrs
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{
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float freq;
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for(int i=0; i<=m_hdivs; i++) {
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freq=m_StartFreq + i*m_freqPerDiv;
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m_HDivText[i].setNum((int)freq);
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}
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}
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int EPlotter::XfromFreq(float f) //XfromFreq()
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{
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int x = (int) m_w * (f - m_StartFreq)/m_fSpan;
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if(x<0 ) return 0;
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if(x>m_w) return m_w;
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return x;
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}
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float EPlotter::FreqfromX(int x) //FreqfromX()
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{
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return float(m_StartFreq + x*m_fftBinWidth*m_binsPerPixel);
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}
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void EPlotter::SetRunningState(bool running) //SetRunningState()
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{
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m_Running = running;
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}
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void EPlotter::setPlotZero(int plotZero) //setPlotZero()
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{
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m_plotZero=plotZero;
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}
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int EPlotter::getPlotZero() //getPlotZero()
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{
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return m_plotZero;
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}
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void EPlotter::setPlotGain(int plotGain) //setPlotGain()
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{
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m_plotGain=plotGain;
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}
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int EPlotter::getPlotGain() //getPlotGain()
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{
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return m_plotGain;
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}
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void EPlotter::setSmooth(int n) //setSmooth()
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{
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m_smooth=n;
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}
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int EPlotter::getSmooth() //getSmooth()
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{
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return m_smooth;
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}
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void EPlotter::setColors(qint32 n) //setSmooth()
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{
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m_nColor=n;
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draw();
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}
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int EPlotter::plotWidth(){return m_2DPixmap.width();}
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void EPlotter::UpdateOverlay() {DrawOverlay();}
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