source: ntrip/trunk/BNC/src/bncfigure.cpp @ 7640

Last change on this file since 7640 was 7640, checked in by stuerze, 5 years ago

some code cleanup

File size: 5.9 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class:      bncFigure
30 *
31 * Purpose:
32 *
33 * Author:     Perlt, Mervart
34 *
35 * Created:    11-Nov-2009
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iostream>
42
43#include "bncfigure.h"
44#include "bncsettings.h"
45
46using namespace std;
47
48// Constructor
49////////////////////////////////////////////////////////////////////////////
50bncFigure::bncFigure(QWidget *parent) : QWidget(parent) {
51  updateMountPoints();
52  slotNextAnimationFrame();
53  for (int ii = 0; ii <= 1000; ii++) {
54    _ran[0][ii] = qrand() % 255;
55    _ran[1][ii] = qrand() % 255;
56    _ran[2][ii] = qrand() % 255;
57  }
58}
59
60// Destructor
61////////////////////////////////////////////////////////////////////////////
62bncFigure::~bncFigure() {
63  QMapIterator<QByteArray, sumAndMean*> it(_bytes);
64  while (it.hasNext()) {
65    it.next();
66    delete it.value();
67  }
68}
69
70//
71////////////////////////////////////////////////////////////////////////////
72void bncFigure::updateMountPoints() {
73  QMutexLocker locker(&_mutex);
74
75  _counter = 0;
76  _maxRate = 0;
77
78  QMapIterator<QByteArray, sumAndMean*> it1(_bytes);
79  while (it1.hasNext()) {
80    it1.next();
81    delete it1.value();
82  }
83  _bytes.clear();
84
85  bncSettings settings;
86  QListIterator<QString> it(settings.value("mountPoints").toStringList());
87  while (it.hasNext()) {
88    QStringList hlp   = it.next().split(" ");
89    if (hlp.size() <= 1) continue;
90    QUrl        url(hlp[0]);
91    QByteArray  staID = url.path().mid(1).toAscii();
92    _bytes[staID] = new sumAndMean();
93  }
94}
95
96//
97////////////////////////////////////////////////////////////////////////////
98void bncFigure::slotNewData(const QByteArray staID, double nbyte) {
99  QMutexLocker locker(&_mutex);
100  QMap<QByteArray, sumAndMean*>::const_iterator it = _bytes.find(staID);
101  if (it != _bytes.end()) {
102    it.value()->_sum += nbyte*8.;
103  }
104}
105
106//
107////////////////////////////////////////////////////////////////////////////
108void bncFigure::slotNextAnimationFrame() {
109  QMutexLocker locker(&_mutex);
110
111  const static int MAXCOUNTER = 10;
112
113  ++_counter;
114
115  // If counter reaches its maximal value, compute the mean rate
116  // -----------------------------------------------------------
117  if (_counter == MAXCOUNTER) {
118    _maxRate = 0.0;
119    QMapIterator<QByteArray, sumAndMean*> it(_bytes);
120    while (it.hasNext()) {
121      it.next();
122      it.value()->_mean = it.value()->_sum / _counter;
123      it.value()->_sum  = 0.0;
124      if (it.value()->_mean > _maxRate) {
125        _maxRate = it.value()->_mean;
126      }
127    }
128    _counter = 0;
129  }
130
131  update();
132
133  QTimer::singleShot(1000, this, SLOT(slotNextAnimationFrame()));
134}
135
136//
137////////////////////////////////////////////////////////////////////////////
138void bncFigure::paintEvent(QPaintEvent *) {
139
140  int xMin =   0;
141  int xMax = 640;
142  int yMin =   0;
143  int yMax = 140;
144  float xLine = .60;
145
146  QPainter painter(this);
147
148  QFont font;
149  font.setPointSize(int(font.QFont::pointSize()*0.8));
150  painter.setFont(font);
151
152  // y-axis
153  // ------
154  int yLength = int((yMax-yMin)*xLine) - (yMin+10);
155  painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMin+60, yMin+10);
156
157  double maxRateRounded;
158  QString maxRateStr;
159  if (_maxRate < 1e3) {
160    maxRateRounded = int(_maxRate/200)*200 + 300;
161    maxRateStr = QString("%1 bps  ").arg(int(maxRateRounded/200)*200);
162    painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 bps  "));
163  }
164  else if (_maxRate < 1e6) {
165    maxRateRounded = int(_maxRate/1.e3)*1.e3 + 1500;
166    maxRateStr = QString("%1 kbps  ").arg(int(maxRateRounded/1.e3));
167    painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 kbps  "));
168  }
169  else {
170    maxRateRounded = int(_maxRate/1.e6)*1.e6 + 1500000;
171    maxRateStr = QString("%1 Mbps  ").arg(int(maxRateRounded/1.e6));
172    painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 Mbps  "));
173  }
174
175  if(_maxRate > 0.0) {
176    painter.drawText(0, yMin+20-5, xMin+60,15,Qt::AlignRight,maxRateStr);
177  }
178
179  // x-axis
180  // ------
181  painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMax*3, int((yMax-yMin)*xLine));
182
183  int anchor = 0;
184  QMapIterator<QByteArray, sumAndMean*> it(_bytes);
185  while (it.hasNext()) {
186    it.next();
187    QByteArray staID = it.key();
188
189    int xx = xMin+80+anchor*12;
190
191    if(_maxRate > 0.0) {
192      int yy = int(yLength * (it.value()->_mean / maxRateRounded));
193      QColor color = QColor::fromRgb(_ran[0][anchor],_ran[1][anchor],_ran[2][anchor],150);
194      painter.fillRect(xx-13, int((yMax-yMin)*xLine)-yy, 9, yy,
195                       QBrush(color,Qt::SolidPattern));
196      painter.setPen(Qt::black);
197      if(it.value()->_mean<=0) {
198        painter.setPen(Qt::red);
199      }
200    }
201
202    painter.save();
203    painter.translate(xx-13, int(yMax-yMin)*xLine+65);
204    painter.rotate(-90);
205    painter.drawText(0,0,65,50,Qt::AlignRight,staID.left(5) + "   ");
206    painter.restore();
207
208    anchor++;
209  }
210}
211
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