52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#include "PlotTurns.h"
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#include <QPainter>
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PlotTurns::PlotTurns(QWidget *parent) : QWidget(parent) {
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setMinimumWidth(96);
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setMinimumHeight(96);
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//setSizeIncrement(QSize(1,1));
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//setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding));
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// resize(96, 96);
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// setMaximumWidth(64);
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// setMaximumHeight(64);
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}
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void PlotTurns::add(const Timestamp ts, const TurnData& data) {
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(void) ts;
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this->data = data;
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static int i = 0;
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if (++i % 4 == 0) {
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QMetaObject::invokeMethod(this, "update", Qt::QueuedConnection);
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}
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}
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void PlotTurns::paintEvent(QPaintEvent* evt) {
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(void) evt;
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QPainter p(this);
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const float s = std::min(width(), height());
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const float s1 = s / 1.9;
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const float cx = width() / 2;
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const float cy = height() / 2;
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const float x1 = cx + std::cos(data.radSinceStart-M_PI_2) * s1;
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const float y1 = cy + std::sin(data.radSinceStart-M_PI_2) * s1;
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p.fillRect(0,0,width(),height(),QColor(255,255,255,192));
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p.setPen(Qt::black);
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p.drawRect(0,0,width()-1,height()-1);
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const QPen pen(Qt::black, 2);
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p.setPen(pen);
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p.drawLine(cx, cy, x1, y1);
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p.end();
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}
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