kopia lustrzana https://gitlab.com/eliggett/wfview
125 wiersze
2.8 KiB
C++
125 wiersze
2.8 KiB
C++
#include "meter.h"
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#include <QDebug>
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meter::meter(QWidget *parent) : QWidget(parent)
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{
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//QPainter painter(this);
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// Colors from qdarkstylesheet:
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// $COLOR_BACKGROUND_LIGHT: #505F69;
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// $COLOR_BACKGROUND_NORMAL: #32414B;
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// $COLOR_BACKGROUND_DARK: #19232D;
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// $COLOR_FOREGROUND_LIGHT: #F0F0F0; // grey
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// $COLOR_FOREGROUND_NORMAL: #AAAAAA; // grey
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// $COLOR_FOREGROUND_DARK: #787878; // grey
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// $COLOR_SELECTION_LIGHT: #148CD2;
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// $COLOR_SELECTION_NORMAL: #1464A0;
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// $COLOR_SELECTION_DARK: #14506E;
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// Colors I found that I liked from VFD images:
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// 3FB7CD
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// 3CA0DB
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//
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// Text in qdarkstylesheet seems to be #EFF0F1
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currentColor.setNamedColor("#148CD2");
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currentColor = currentColor.darker();
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peakColor.setNamedColor("#3CA0DB");
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peakColor = peakColor.lighter();
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averageColor.setNamedColor("#3FB7CD");
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lowTextColor.setNamedColor("#eff0f1");
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lowLineColor = lowTextColor;
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}
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void meter::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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// This next line sets up a canvis within the
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// space of the widget, and gives it corrdinates.
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// The end effect, is that the drawing functions will all
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// scale to the window size.
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painter.setWindow(QRect(0, 0, 255+mstart, 50));
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drawScale(&painter);
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// Current:
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painter.setPen(currentColor);
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painter.setBrush(currentColor);
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painter.drawRect(mstart,mheight,current,mstart);
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// Average:
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painter.setPen(averageColor);
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painter.setBrush(averageColor);
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painter.drawRect(mstart+average-1,mheight,1,mstart);
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// Peak:
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painter.setPen(peakColor);
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painter.setBrush(peakColor);
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if(peak > 120)
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{
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// 120 = +S9
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painter.setBrush(Qt::red);
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painter.setPen(Qt::red);
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}
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painter.drawRect(mstart+peak-1,mheight,2,mstart);
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}
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void meter::setLevels(int current, int peak, int average)
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{
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this->current = current;
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this->peak = peak;
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this->average = average;
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this->update();
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}
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void meter::updateDrawing(int num)
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{
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fontSize = num;
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length = num;
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}
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void meter::drawScale(QPainter *qp)
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{
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qp->setPen(lowTextColor);
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qp->setFont(QFont("Arial", fontSize));
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int i=mstart;
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// 13.3 DN per s-unit:
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int s=0;
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for(; i<mstart+120; i+=13)
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{
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qp->drawText(i,mstart, QString("%1").arg(s++) );
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}
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// 2 DN per 1 dB now:
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// 20 DN per 10 dB
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// 40 DN per 20 dB
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// Modify current scale position:
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s = 20;
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i+=20;
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qp->setPen(Qt::red);
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for(; i<mstart+255; i+=40)
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{
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qp->drawText(i,mstart, QString("+%1").arg(s) );
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s = s + 20;
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}
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qp->setPen(lowLineColor);
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qp->drawLine(mstart,12,130,12);
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qp->setPen(Qt::red);
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qp->drawLine(130,12,255,12);
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}
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