mirror of https://github.com/f4exb/sdrangel.git
279 lines
8.1 KiB
C++
279 lines
8.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QtCore>
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#include <QtGui>
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#include <QDebug>
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#include "doa2compass.h"
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DOA2Compass::DOA2Compass(QWidget *parent)
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: QWidget(parent)
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{
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connect(this, SIGNAL(canvasReplot(void)), this, SLOT(canvasReplot_slot(void)));
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m_sizeMin = 200;
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m_sizeMax = 600;
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m_offset = 2;
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m_size = m_sizeMin - 2*m_offset;
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m_drawLegend = false;
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setMinimumSize(m_sizeMin, m_sizeMin);
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setMaximumSize(m_sizeMax, m_sizeMax);
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resize(m_sizeMin, m_sizeMin);
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setFocusPolicy(Qt::NoFocus);
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m_azPos = 0.0;
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m_azNeg = 0.0;
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m_azAnt = 0.0;
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m_blindAngle = 0.0;
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m_blindColor = QColor(48, 48, 48);
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}
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DOA2Compass::~DOA2Compass()
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{
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}
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void DOA2Compass::canvasReplot_slot(void)
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{
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update();
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}
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void DOA2Compass::resizeEvent(QResizeEvent *event)
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{
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m_size = qMin(width(),height()) - 2*m_offset;
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QWidget::resizeEvent(event);
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}
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void DOA2Compass::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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QBrush bgGround(palette().button().color());
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QPen whitePen(Qt::white);
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QPen blackPen(Qt::black);
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QPen redPen(Qt::red);
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QPen bluePen(Qt::blue);
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QPen greenPen(Qt::green);
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whitePen.setWidth(1);
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blackPen.setWidth(2);
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redPen.setWidth(2);
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bluePen.setWidth(2);
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greenPen.setWidth(2);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.translate(width() / 2, height() / 2);
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// draw background
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{
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painter.setPen(whitePen);
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painter.setBrush(bgGround);
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painter.drawEllipse(-m_size/2, -m_size/2, m_size, m_size);
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}
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// draw blind angle
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if (m_blindAngle != 0)
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{
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painter.setBrush(m_blindColor);
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painter.setPen(Qt::NoPen);
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painter.rotate(m_azAnt - 90);
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painter.drawPie(-m_size/2, -m_size/2, m_size, m_size, -m_blindAngle*16, m_blindAngle*32);
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painter.rotate(180);
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painter.drawPie(-m_size/2, -m_size/2, m_size, m_size, -m_blindAngle*16, m_blindAngle*32);
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painter.rotate(-m_azAnt - 90);
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painter.setBrush(Qt::NoBrush);
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painter.setPen(whitePen);
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painter.drawEllipse(-m_size/2, -m_size/2, m_size, m_size);
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}
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// draw compass lines
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{
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int nyawLines = 36;
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float rotAng = 360.0 / nyawLines;
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int yawLineLeng = m_size/25;
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double fx1, fy1, fx2, fy2;
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int fontSize = 8;
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QString s;
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blackPen.setWidth(1);
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painter.setPen(whitePen);
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painter.setFont(font());
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for(int i=0; i<nyawLines; i++) {
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if( i == 0 ) {
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s = "N";
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} else if ( i == 9 ) {
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s = "E";
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} else if ( i == 18 ) {
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s = "S";
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} else if ( i == 27 ) {
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s = "W";
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} else {
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s = QString("%1").arg(i*rotAng);
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}
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fx1 = 0;
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fy1 = -m_size/2 + m_offset;
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fx2 = 0;
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if (i % 3 == 0)
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{
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fy2 = fy1 + yawLineLeng;
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painter.drawLine(QPointF(fx1, fy1), QPointF(fx2, fy2));
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fy2 = fy1 + yawLineLeng+4;
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painter.drawText(QRectF(-50, fy2, 100, fontSize+2), Qt::AlignCenter, s);
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}
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else
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{
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fy2 = fy1 + yawLineLeng/2;
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painter.drawLine(QPointF(fx1, fy1), QPointF(fx2, fy2));
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}
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painter.rotate(rotAng);
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}
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}
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// draw antennas arrow
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{
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int arrowWidth = m_size/20;
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double fx1, fy1, fx2, fy2, fx3, fy3;
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fx1 = 0;
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fy1 = -m_size/2 + m_offset + m_size/25 + 15;
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fx2 = -arrowWidth/2;
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fy2 = 0;
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fx3 = arrowWidth/2;
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fy3 = 0;
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painter.rotate(m_azAnt);
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painter.setPen(Qt::NoPen);
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painter.setBrush(QBrush(QColor(192, 192, 192)));
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QPointF pointsN[3] = {
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QPointF(fx1, fy1),
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QPointF(fx2, fy2),
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QPointF(fx3, fy3)
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};
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painter.drawPolygon(pointsN, 3);
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fx1 = 0;
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fy1 = m_size/2 - m_offset - m_size/25 - 15;
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fx2 = -arrowWidth/2;
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fy2 = 0;
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fx3 = arrowWidth/2;
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fy3 = 0;
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painter.setBrush(QBrush(palette().button().color().lighter(150)));
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QPointF pointsS[3] = {
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QPointF(fx1, fy1),
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QPointF(fx2, fy2),
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QPointF(fx3, fy3)
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};
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painter.drawPolygon(pointsS, 3);
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painter.rotate(-m_azAnt);
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}
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// draw azPos marker
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{
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int azMarkerSize = m_size/15;
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double fx1, fy1, fx2, fy2, fx3, fy3, fyl;
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fx1 = 0;
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fy1 = -m_size/2 + m_offset;
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fx2 = fx1 - azMarkerSize/2;
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fy2 = fy1 + azMarkerSize;
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fx3 = fx1 + azMarkerSize/2;
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fy3 = fy1 + azMarkerSize;
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fyl = -m_size/2; // -m_size/2 + m_offset + m_size/25 + 15;
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painter.rotate(m_azPos);
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painter.setPen(Qt::NoPen);
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painter.setBrush(QBrush(QColor(0xFF, 0x60, 0x60, 0xA0)));
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QPointF points[3] = {
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QPointF(fx1, fy1),
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QPointF(fx2, fy2),
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QPointF(fx3, fy3)
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};
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painter.drawPolygon(points, 3);
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painter.setPen(QColor(0xFF, 0x60, 0x60, 0xE0));
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painter.drawLine(0, 0, 0, fyl);
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painter.rotate(-m_azPos);
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}
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// draw azNeg marker
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{
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int yawMarkerSize = m_size/15;
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double fx1, fy1, fx2, fy2, fx3, fy3, fyl;
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fx1 = 0;
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fy1 = -m_size/2 + m_offset;
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fx2 = fx1 - yawMarkerSize/2;
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fy2 = fy1 + yawMarkerSize;
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fx3 = fx1 + yawMarkerSize/2;
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fy3 = fy1 + yawMarkerSize;
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fyl = -m_size/2;
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painter.rotate(m_azNeg);
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painter.setPen(Qt::NoPen);
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painter.setBrush(QBrush(QColor(0x80, 0xFF, 0x80, 0xA0)));
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QPointF points[3] = {
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QPointF(fx1, fy1),
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QPointF(fx2, fy2),
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QPointF(fx3, fy3)
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};
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painter.drawPolygon(points, 3);
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painter.setPen(QColor(0x80, 0xFF, 0x80, 0xE0));
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painter.drawLine(0, 0, 0, fyl);
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painter.rotate(-m_azNeg);
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}
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// draw legend
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if (m_drawLegend)
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{
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int altFontSize = 8;
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int fx, fy, w, h;
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w = 10*altFontSize;
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h = 3*(altFontSize + 8);
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fx = -w/2;
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fy = -h/2;
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painter.setPen(whitePen);
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painter.setBrush(QBrush(Qt::black));
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QFont f = font();
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f.setPointSize(altFontSize);
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painter.setFont(f);
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painter.drawRoundedRect(fx, fy, w, h, 6, 6);
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painter.drawText(QRectF(fx, fy+2, w, h/3), Qt::AlignCenter, QString("POS: %1%2").arg((int) m_azPos, 3, 10, QLatin1Char('0')).arg(QChar(0260)));
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painter.drawText(QRectF(fx, fy+h/3, w, h/3), Qt::AlignCenter, QString("ANT: %1%2").arg((int) m_azAnt, 3, 10, QLatin1Char('0')).arg(QChar(0260)));
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painter.drawText(QRectF(fx, fy+2*(h/3), w, h/3), Qt::AlignCenter, QString("NEG: %1%2").arg((int) m_azNeg, 3, 10, QLatin1Char('0')).arg(QChar(0260)));
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}
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}
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