source: ntrip/trunk/BNC/src/rinex/graphwin.cpp @ 8556

Last change on this file since 8556 was 8556, checked in by mervart, 19 months ago

Analyze more than two signals

File size: 6.1 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:      t_graphWin
30 *
31 * Purpose:    Window for plots
32 *
33 * Author:     L. Mervart
34 *
35 * Created:    23-Jun-2012
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <qwt_scale_widget.h>
42#include <qwt_scale_engine.h>
43
44#include <QDir>
45#include <QFileInfo>
46#include <QHBoxLayout>
47#include <QVBoxLayout>
48#include <QPushButton>
49
50#include "graphwin.h"
51#include "bncsettings.h"
52
53using namespace std;
54
55// Constructor
56////////////////////////////////////////////////////////////////////////////
57t_graphWin::t_graphWin(QWidget* parent, const QString& fileName,
58                       const QVector<QWidget*>& plots, const QByteArray* scaleTitle,
59                       const QwtInterval* scaleInterval, bool specialLayout) :  QDialog(parent) {
60
61  _fileName = fileName;
62
63  this->setAttribute(Qt::WA_DeleteOnClose);
64
65  setWindowTitle(_fileName);
66
67  int ww = QFontMetrics(font()).width('w');
68  setMinimumSize(plots.size()*40*ww, 40*ww);
69
70  // Buttons
71  // -------
72  _buttonClose = new QPushButton(tr("Close"), this);
73  _buttonClose->setMaximumWidth(10*ww);
74  connect(_buttonClose, SIGNAL(clicked()), this, SLOT(slotClose()));
75
76  _buttonPrint = new QPushButton(tr("Print"), this);
77  _buttonPrint->setMaximumWidth(10*ww);
78  connect(_buttonPrint, SIGNAL(clicked()), this, SLOT(slotPrint()));
79
80  // Color Scale
81  // -----------
82  if (scaleTitle && scaleInterval) {
83    _colorScale = new QwtScaleWidget( this );
84    _colorScale->setAlignment( QwtScaleDraw::RightScale );
85    _colorScale->setColorBarEnabled( true );
86
87     QwtText title(*scaleTitle);
88     QFont font = _colorScale->font();
89     font.setBold( true );
90     title.setFont( font );
91     _colorScale->setTitle( title );
92
93     _colorScale->setColorMap(*scaleInterval, new t_colorMap());
94
95     QwtLinearScaleEngine scaleEngine;
96     _colorScale->setTransformation(scaleEngine.transformation());
97     _colorScale->setScaleDiv(scaleEngine.divideScale(scaleInterval->minValue(),
98                                                      scaleInterval->maxValue(),
99                                                      8, 5));
100  }
101  else {
102    _colorScale = 0;
103  }
104
105  // Layout
106  // ------
107  _canvas = new QWidget(this);
108  if (specialLayout) {
109    QHBoxLayout* plotLayout = new QHBoxLayout(_canvas);
110    plotLayout->addWidget(plots[0]);
111    QVBoxLayout* hlpLayout = new QVBoxLayout;
112    hlpLayout->addWidget(plots[1]);
113    hlpLayout->addWidget(plots[2]);
114    plotLayout->addLayout(hlpLayout);
115  }
116  else {
117    QHBoxLayout* plotLayout = new QHBoxLayout(_canvas);
118    for (int ip = 0; ip < plots.size(); ip++) {
119      plotLayout->addWidget(plots[ip]);
120    }
121    if (_colorScale) {
122      plotLayout->addWidget(_colorScale);
123    }
124  }
125
126  QHBoxLayout* buttonLayout = new QHBoxLayout;
127  buttonLayout->addWidget(_buttonClose);
128  buttonLayout->addWidget(_buttonPrint);
129
130  QVBoxLayout* mainLayout = new QVBoxLayout(this);
131  mainLayout->addWidget(_canvas);
132  mainLayout->addLayout(buttonLayout);
133}
134
135// Destructor
136////////////////////////////////////////////////////////////////////////////
137t_graphWin::~t_graphWin() {
138}
139
140// Accept the Options
141////////////////////////////////////////////////////////////////////////////
142void t_graphWin::slotClose() {
143  done(0);
144}
145
146// Close Dialog gracefully
147////////////////////////////////////////////////////////////////////////////
148void t_graphWin::closeEvent(QCloseEvent* event) {
149  QDialog::closeEvent(event);
150}
151
152// Print the widget
153////////////////////////////////////////////////////////////////////////////
154void t_graphWin::slotPrint() {
155
156  QPrinter printer;
157  QPrintDialog* dialog = new QPrintDialog(&printer, this);
158  dialog->setWindowTitle(tr("Print Plot"));
159  if (dialog->exec() != QDialog::Accepted) {
160    return;
161  }
162  else {
163    QPainter painter;
164    painter.begin(&printer);
165    double xscale = printer.pageRect().width()/double(_canvas->width());
166    double yscale = printer.pageRect().height()/double(_canvas->height());
167    double scale  = qMin(xscale, yscale);
168    painter.translate(printer.paperRect().x() + printer.pageRect().width()/2,
169                      printer.paperRect().y() + printer.pageRect().height()/2);
170    painter.scale(scale, scale);
171    painter.translate(-width()/2, -height()/2);
172    _canvas->render(&painter);
173  }
174}
175
176// Save the Widget as PNG Files
177////////////////////////////////////////////////////////////////////////////
178void t_graphWin::savePNG(const QString& dirName, QByteArray ext) {
179
180  if (dirName.isEmpty()) {
181    return;
182  }
183
184  QDir dir(dirName);
185  QFileInfo fileInfo(_fileName);
186  if (ext.isEmpty()) {
187    ext = ".png";
188  }
189  QString fileName = dir.path() + QDir::separator()
190                   + fileInfo.completeBaseName() + ext;
191
192  QPalette palette = _canvas->palette();
193  QColor oldColor = palette.color(QPalette::Window);
194  palette.setColor(QPalette::Window, Qt::white);
195  _canvas->setPalette(palette);
196
197  QImage image(_canvas->size(), QImage::Format_RGB32);
198  QPainter painter(&image);
199  _canvas->render(&painter);
200  image.save(fileName,"PNG");
201
202  palette.setColor(QPalette::Window, oldColor);
203  _canvas->setPalette(palette);
204}
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