1 /***************************************************************************
2 * This file is part of Tecorrec. *
3 * Copyright 2008 James Hogan <james@albanarts.com> *
5 * Tecorrec is free software: you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation, either version 2 of the License, or *
8 * (at your option) any later version. *
10 * Tecorrec is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with Tecorrec. If not, write to the Free Software Foundation, *
17 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ***************************************************************************/
21 * @file tcColourMapWidget.cpp
22 * @brief Colour mapping widget.
25 #include "tcColourMapWidget.h"
27 #include <QGridLayout>
28 #include <QButtonGroup>
29 #include <QSignalMapper>
31 #include <QPushButton>
32 #include <QRadioButton>
35 * Constructors + destructor
38 /// Construct with colour information.
39 tcColourMapWidget::tcColourMapWidget(const QStringList
& outputBands
, QWidget
* parent
)
42 , m_inputSignalMapper(new QSignalMapper(this))
43 , m_inputGroupSignalMapper(new QSignalMapper(this))
44 , m_groupSignalMapper(new QSignalMapper(this))
45 , m_outputBandButtonGroups()
47 , m_numInputBandsPerGroup()
49 QWidget
* widget
= new QWidget(this);
50 m_layout
= new QGridLayout(widget
);
52 setWidgetResizable(true);
54 foreach (QString band
, outputBands
)
56 QButtonGroup
* buttonGroup
= new QButtonGroup(this);
57 connect(buttonGroup
, SIGNAL(buttonClicked(int)), m_groupSignalMapper
, SLOT(map()));
58 m_groupSignalMapper
->setMapping(buttonGroup
, m_outputBandButtonGroups
.size());
59 m_outputBandButtonGroups
<< buttonGroup
;
61 m_layout
->addWidget(new QLabel(band
, this), 0, m_outputBandButtonGroups
.size(), Qt::AlignHCenter
);
63 connect(m_groupSignalMapper
, SIGNAL(mapped(int)), this, SLOT(inputBandChangedSlot(int)));
64 connect(m_inputSignalMapper
, SIGNAL(mapped(int)), this, SLOT(inputBandClickedSlot(int)));
65 connect(m_inputGroupSignalMapper
, SIGNAL(mapped(int)), this, SIGNAL(inputGroupClicked(int)));
69 tcColourMapWidget::~tcColourMapWidget()
78 void tcColourMapWidget::clearInputBands()
82 /// Add an input band.
83 void tcColourMapWidget::addInputBand(const QString
& name
, const QString
& description
)
86 ++m_numInputBandsPerGroup
.last();
87 QPushButton
* mainLabel
= new QPushButton(name
, this);
88 mainLabel
->setToolTip(description
);
89 m_layout
->addWidget(mainLabel
, m_numInputBands
+m_numInputBandsPerGroup
.size(), 0);
90 connect(mainLabel
, SIGNAL(clicked()), m_inputSignalMapper
, SLOT(map()));
91 m_inputSignalMapper
->setMapping(mainLabel
, m_numInputBands
-1);
92 for (int i
= 0; i
< m_outputBandButtonGroups
.size(); ++i
)
94 QRadioButton
* radio
= new QRadioButton(this);
95 m_outputBandButtonGroups
[i
]->addButton(radio
, m_numInputBands
-1);
96 m_layout
->addWidget(radio
, m_numInputBands
+m_numInputBandsPerGroup
.size(), 1 + i
, Qt::AlignHCenter
);
100 /// Add an input band group separator.
101 void tcColourMapWidget::addInputGroupSeparator(const QString
& name
)
103 m_numInputBandsPerGroup
.push_back(0);
104 QPushButton
* mainLabel
= new QPushButton(QObject::tr("*** %1 ***").arg(name
), this);
105 connect(mainLabel
, SIGNAL(clicked()), m_inputGroupSignalMapper
, SLOT(map()));
106 m_inputGroupSignalMapper
->setMapping(mainLabel
, m_numInputBandsPerGroup
.size()-1);
107 m_layout
->addWidget(mainLabel
, m_numInputBands
+m_numInputBandsPerGroup
.size(), 0);
114 /// Get the index of the input band assigned to an output band.
115 int tcColourMapWidget::inputBand(int outputBand
) const
117 return m_outputBandButtonGroups
[outputBand
]->checkedId();
124 /// Set the input band assigned to an output.
125 void tcColourMapWidget::setInputBand(int output
, int input
)
127 m_outputBandButtonGroups
[output
]->button(input
)->setChecked(true);
134 /// Indicates that an input band has been clicked.
135 void tcColourMapWidget::inputBandClickedSlot(int input
)
137 int group
= inputGroup(&input
);
138 emit
inputBandClicked(input
, group
);
141 /// Indicates that the input band assigned to an output has changed.
142 void tcColourMapWidget::inputBandChangedSlot(int output
)
144 int band
= m_outputBandButtonGroups
[output
]->checkedId();
145 int group
= inputGroup(&band
);
146 emit
inputBandChanged(output
, band
, group
);
153 /// Get the input group and adjust the band number to be relative to the input group.
154 int tcColourMapWidget::inputGroup(int* band
)
157 foreach (int bands
, m_numInputBandsPerGroup
)