1 | // Part of BNC, a utility for retrieving decoding and
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2 | // converting GNSS data streams from NTRIP broadcasters.
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3 | //
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4 | // Copyright (C) 2007
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5 | // German Federal Agency for Cartography and Geodesy (BKG)
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6 | // http://www.bkg.bund.de
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7 | // Czech Technical University Prague, Department of Geodesy
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8 | // http://www.fsv.cvut.cz
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9 | //
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10 | // Email: euref-ip@bkg.bund.de
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11 | //
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12 | // This program is free software; you can redistribute it and/or
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13 | // modify it under the terms of the GNU General Public License
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14 | // as published by the Free Software Foundation, version 2.
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15 | //
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16 | // This program is distributed in the hope that it will be useful,
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17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | // GNU General Public License for more details.
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20 | //
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21 | // You should have received a copy of the GNU General Public License
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22 | // along with this program; if not, write to the Free Software
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23 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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24 |
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25 | /* -------------------------------------------------------------------------
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26 | * BKG NTRIP Client
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27 | * -------------------------------------------------------------------------
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28 | *
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29 | * Class: t_graphWin
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30 | *
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31 | * Purpose: Window for plots
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32 | *
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33 | * Author: L. Mervart
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34 | *
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35 | * Created: 23-Jun-2012
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36 | *
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37 | * Changes:
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38 | *
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39 | * -----------------------------------------------------------------------*/
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40 |
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41 | #include <qwt_scale_widget.h>
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42 | #include <qwt_scale_engine.h>
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43 |
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44 | #include "graphwin.h"
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45 | #include "bncsettings.h"
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46 |
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47 | using namespace std;
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48 |
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49 | // Constructor
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50 | ////////////////////////////////////////////////////////////////////////////
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51 | t_graphWin::t_graphWin(QWidget* parent, const QString& fileName,
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52 | const QVector<QWidget*>& plots,
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53 | const QByteArray* scaleTitle,
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54 | const QwtInterval* scaleInterval) : QDialog(parent) {
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55 |
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56 | _fileName = fileName;
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57 |
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58 | this->setAttribute(Qt::WA_DeleteOnClose);
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59 |
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60 | setWindowTitle(_fileName);
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61 |
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62 | int ww = QFontMetrics(font()).width('w');
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63 | setMinimumSize(plots.size()*40*ww, 40*ww);
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64 |
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65 | // Buttons
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66 | // -------
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67 | _buttonClose = new QPushButton(tr("Close"), this);
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68 | _buttonClose->setMaximumWidth(10*ww);
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69 | connect(_buttonClose, SIGNAL(clicked()), this, SLOT(slotClose()));
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70 |
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71 | _buttonPrint = new QPushButton(tr("Print"), this);
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72 | _buttonPrint->setMaximumWidth(10*ww);
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73 | connect(_buttonPrint, SIGNAL(clicked()), this, SLOT(slotPrint()));
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74 |
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75 | // Color Scale
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76 | // -----------
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77 | if (scaleTitle && scaleInterval) {
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78 | _colorScale = new QwtScaleWidget( this );
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79 | _colorScale->setAlignment( QwtScaleDraw::RightScale );
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80 | _colorScale->setColorBarEnabled( true );
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81 |
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82 | QwtText title(*scaleTitle);
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83 | QFont font = _colorScale->font();
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84 | font.setBold( true );
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85 | title.setFont( font );
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86 | _colorScale->setTitle( title );
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87 |
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88 | _colorScale->setColorMap(*scaleInterval, new t_colorMap());
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89 |
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90 | QwtLinearScaleEngine scaleEngine;
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91 | _colorScale->setScaleDiv(scaleEngine.transformation(),
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92 | scaleEngine.divideScale(scaleInterval->minValue(),
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93 | scaleInterval->maxValue(),
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94 | 8, 5));
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95 | }
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96 | else {
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97 | _colorScale = 0;
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98 | }
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99 |
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100 | // Layout
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101 | // ------
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102 | _canvas = new QWidget(this);
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103 | if (plots.size() != 3) {
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104 | QHBoxLayout* plotLayout = new QHBoxLayout(_canvas);
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105 | for (int ip = 0; ip < plots.size(); ip++) {
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106 | plotLayout->addWidget(plots[ip]);
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107 | }
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108 | if (_colorScale) {
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109 | plotLayout->addWidget(_colorScale);
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110 | }
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111 | }
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112 | else {
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113 | QHBoxLayout* plotLayout = new QHBoxLayout(_canvas);
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114 | plotLayout->addWidget(plots[0]);
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115 | QVBoxLayout* hlpLayout = new QVBoxLayout;
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116 | hlpLayout->addWidget(plots[1]);
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117 | hlpLayout->addWidget(plots[2]);
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118 | plotLayout->addLayout(hlpLayout);
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119 | }
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120 |
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121 | QHBoxLayout* buttonLayout = new QHBoxLayout;
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122 | buttonLayout->addWidget(_buttonClose);
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123 | buttonLayout->addWidget(_buttonPrint);
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124 |
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125 | QVBoxLayout* mainLayout = new QVBoxLayout(this);
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126 | mainLayout->addWidget(_canvas);
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127 | mainLayout->addLayout(buttonLayout);
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128 | }
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129 |
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130 | // Destructor
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131 | ////////////////////////////////////////////////////////////////////////////
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132 | t_graphWin::~t_graphWin() {
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133 | }
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134 |
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135 | // Accept the Options
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136 | ////////////////////////////////////////////////////////////////////////////
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137 | void t_graphWin::slotClose() {
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138 | done(0);
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139 | }
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140 |
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141 | // Close Dialog gracefully
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142 | ////////////////////////////////////////////////////////////////////////////
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143 | void t_graphWin::closeEvent(QCloseEvent* event) {
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144 | QDialog::closeEvent(event);
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145 | }
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146 |
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147 | // Print the widget
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148 | ////////////////////////////////////////////////////////////////////////////
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149 | void t_graphWin::slotPrint() {
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150 |
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151 | QPrinter printer;
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152 | QPrintDialog* dialog = new QPrintDialog(&printer, this);
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153 | dialog->setWindowTitle(tr("Print Plot"));
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154 | if (dialog->exec() != QDialog::Accepted) {
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155 | return;
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156 | }
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157 | else {
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158 | QPainter painter;
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159 | painter.begin(&printer);
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160 | double xscale = printer.pageRect().width()/double(_canvas->width());
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161 | double yscale = printer.pageRect().height()/double(_canvas->height());
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162 | double scale = qMin(xscale, yscale);
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163 | painter.translate(printer.paperRect().x() + printer.pageRect().width()/2,
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164 | printer.paperRect().y() + printer.pageRect().height()/2);
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165 | painter.scale(scale, scale);
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166 | painter.translate(-width()/2, -height()/2);
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167 | _canvas->render(&painter);
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168 | }
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169 | }
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170 |
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171 | // Save the Widget as PNG Files
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172 | ////////////////////////////////////////////////////////////////////////////
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173 | void t_graphWin::savePNG(const QString& dirName, QByteArray ext) {
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174 |
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175 | if (dirName.isEmpty()) {
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176 | return;
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177 | }
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178 |
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179 | QDir dir(dirName);
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180 | QFileInfo fileInfo(_fileName);
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181 | if (ext.isEmpty()) {
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182 | ext = ".png";
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183 | }
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184 | QString fileName = dir.path() + QDir::separator()
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185 | + fileInfo.completeBaseName() + ext;
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186 |
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187 | QPalette palette = _canvas->palette();
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188 | QColor oldColor = palette.color(QPalette::Window);
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189 | palette.setColor(QPalette::Window, Qt::white);
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190 | _canvas->setPalette(palette);
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191 |
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192 | QImage image(_canvas->size(), QImage::Format_RGB32);
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193 | QPainter painter(&image);
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194 | _canvas->render(&painter);
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195 | image.save(fileName,"PNG");
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196 |
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197 | palette.setColor(QPalette::Window, oldColor);
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198 | _canvas->setPalette(palette);
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199 | }
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