source: ntrip/trunk/BNC/bncfigure.cpp@ 1992

Last change on this file since 1992 was 1990, checked in by weber, 15 years ago

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File size: 5.6 KB
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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 _rgb[0][ii] = qrand() % 255;
55 _rgb[2][ii] = qrand() % 255;
56 _rgb[1][ii] = qrand() % 255;
57 }
58}
59
60// Destructor
61////////////////////////////////////////////////////////////////////////////
62bncFigure::~bncFigure() {
63}
64
65//
66////////////////////////////////////////////////////////////////////////////
67void bncFigure::updateMountPoints() {
68 QMutexLocker locker(&_mutex);
69
70 _counter = 0;
71 _maxRate = 0;
72
73 QMapIterator<QByteArray, sumAndMean*> it1(_bytes);
74 while (it1.hasNext()) {
75 it1.next();
76 delete it1.value();
77 }
78 _bytes.clear();
79
80 bncSettings settings;
81 QListIterator<QString> it(settings.value("mountPoints").toStringList());
82 while (it.hasNext()) {
83 QStringList hlp = it.next().split(" ");
84 QUrl url(hlp[0]);
85 QByteArray staID = url.path().mid(1).toAscii();
86 _bytes[staID] = new sumAndMean();
87 }
88}
89
90//
91////////////////////////////////////////////////////////////////////////////
92void bncFigure::slotNewData(const QByteArray staID, double nbyte) {
93 QMutexLocker locker(&_mutex);
94 QMap<QByteArray, sumAndMean*>::const_iterator it = _bytes.find(staID);
95 if (it != _bytes.end()) {
96 it.value()->_sum += nbyte;
97 }
98}
99
100//
101////////////////////////////////////////////////////////////////////////////
102void bncFigure::slotNextAnimationFrame() {
103 QMutexLocker locker(&_mutex);
104
105 const static int MAXCOUNTER = 10;
106
107 ++_counter;
108
109 // If counter reaches its maximal value, compute the mean rate
110 // -----------------------------------------------------------
111 if (_counter == MAXCOUNTER) {
112 _maxRate = 0.0;
113 QMapIterator<QByteArray, sumAndMean*> it(_bytes);
114 while (it.hasNext()) {
115 it.next();
116 it.value()->_mean = it.value()->_sum / _counter;
117 it.value()->_sum = 0.0;
118 if (it.value()->_mean > _maxRate) {
119 _maxRate = it.value()->_mean;
120 }
121 }
122 _counter = 0;
123 }
124
125 update();
126
127 QTimer::singleShot(1000, this, SLOT(slotNextAnimationFrame()));
128}
129
130//
131////////////////////////////////////////////////////////////////////////////
132void bncFigure::paintEvent(QPaintEvent *) {
133
134 int xMin = 0;
135 int xMax = 640;
136 int yMin = 0;
137 int yMax = 140;
138 float xLine = .60;
139
140 QPainter painter(this);
141
142 QFont font;
143 font.setPointSize(int(font.QFont::pointSize()*0.8));
144 painter.setFont(font);
145
146 // y-axis
147 // ------
148 int yLength = int((yMax-yMin)*xLine) - (yMin+10);
149 painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMin+60, yMin+10);
150
151 QString maxRateStr;
152 if (8.0 * _maxRate < 1e3) {
153 maxRateStr = QString("%1 bps ").arg(int(8.0 * _maxRate));
154 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 bps "));
155 }
156 else if (8.0 * _maxRate < 1e6) {
157 maxRateStr = QString("%1 kbps ").arg(int(8.0 * _maxRate / 1.e3));
158 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 kbps "));
159 }
160 else {
161 maxRateStr = QString("%1 Mbps ").arg(int(8.0 * _maxRate / 1.e6));
162 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 Mbps "));
163 }
164
165 if(_maxRate > 0.0) {
166 painter.drawText(0, yMin+25-5, xMin+60,15,Qt::AlignRight,maxRateStr);
167 }
168
169 // x-axis
170 // ------
171 painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMax*3, int((yMax-yMin)*xLine));
172
173 int anchor = 0;
174 QMapIterator<QByteArray, sumAndMean*> it(_bytes);
175 while (it.hasNext()) {
176 it.next();
177 QByteArray staID = it.key();
178
179 int xx = xMin+80+anchor*12;
180
181 if(_maxRate > 0.0) {
182 int yy = int(yLength * (it.value()->_mean / _maxRate));
183 QColor color = QColor::fromRgb(_rgb[0][anchor],_rgb[1][anchor],_rgb[2][anchor]);
184 painter.fillRect(xx-13, int((yMax-yMin)*xLine)-yy, 9, yy,
185 QBrush(color,Qt::SolidPattern));
186 painter.setPen(Qt::black);
187 if(it.value()->_mean<=0) {
188 painter.setPen(Qt::red);
189 }
190 }
191
192 painter.save();
193 painter.translate(xx-13, int(yMax-yMin)*xLine+65);
194 painter.rotate(-90);
195 painter.drawText(0,0,65,50,Qt::AlignRight,staID.left(5) + " ");
196 painter.restore();
197
198 anchor++;
199 }
200}
201
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