// Change the colormap to match new exponent value
void ColorBarWidget::changedExponent(double nth_power)
{
m_colorMap.setNthPower(nth_power);
updateColorMap();
emit changedColorRange(m_min,m_max,m_log);
}
void ColorMapEditor::insertLevel()
{
int row = table->currentRow();
QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
double val = 0.5*(table->item(row, 0)->text().toDouble() + table->item(row - 1, 0)->text().toDouble());
double mapped_val = (val - min_val)/range.width();
QColor c = QColor(color_map.rgb(QwtDoubleInterval(0, 1), mapped_val));
table->blockSignals(true);
table->insertRow(row);
QTableWidgetItem *it = new QTableWidgetItem(QString::number(val));
table->setItem(row, 0, it);
it = new QTableWidgetItem(c.name());
it->setFlags(Qt::ItemFlags(!Qt::ItemIsEditable));
it->setBackground(QBrush(c));
it->setForeground(QBrush(c));
table->setItem(row, 1, it);
table->blockSignals(false);
enableButtons(table->currentRow(), 0);
updateColorMap();
}
/** Set the color bar to use log scale
*
* @param log :: true to use log scale
*/
void ColorBarWidget::setLog(bool log)
{
m_log = log;
m_colorMap.changeScaleType( m_log ? GraphOptions::Log10 : GraphOptions::Linear );
ui.checkLog->setChecked( m_log );
ui.valMin->setLogSteps( m_log );
ui.valMax->setLogSteps( m_log );
setSpinBoxesSteps();
updateColorMap();
}
/** SLOT called when maxValue changes */
void ColorBarWidget::changedMaximum()
{
m_max = ui.valMax->value();
if (m_max < m_min)
{
m_min = m_max-0.001;
ui.valMin->setValue( m_min );
}
updateColorMap();
emit changedColorRange(m_min,m_max,m_log);
}
/*
* Update display if different scale type is selected
*/
void ColorBarWidget::changedScaleType(int type)
{
// If power scale option is selected, enable "n =" widget
ui.dspnN->setEnabled(type == 2);
// Record if log scale option is selected
m_log = (type == 1);
m_colorMap.changeScaleType( GraphOptions::ScaleType(type) );
ui.valMin->setLogSteps( m_log );
ui.valMax->setLogSteps( m_log );
setSpinBoxesSteps();
updateColorMap();
emit changedColorRange(m_min,m_max,m_log);
}
void ColorMapEditor::showColorDialog(int row, int col)
{
if (col != 1)
return;
QColor c = QColor(table->item(row, 1)->text());
QColor color = QColorDialog::getColor(c, this);
if (!color.isValid() || color == c)
return;
table->item(row, 1)->setText(color.name());
table->item(row, 1)->setForeground(QBrush(color));
table->item(row, 1)->setBackground(QBrush(color));
updateColorMap();
}
void ColorMapEditor::insertLevel()
{
int row = table->currentRow();
DoubleSpinBox *sb = (DoubleSpinBox*)table->cellWidget(row, 0);
if (!sb)
return;
double current_value = sb->value();
double previous_value = min_val;
sb = (DoubleSpinBox*)table->cellWidget(row - 1, 0);
if (sb)
previous_value = sb->value();
double val = 0.5*(current_value + previous_value);
QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
double mapped_val = (val - min_val)/range.width();
QColor c = QColor(color_map.rgb(QwtDoubleInterval(0, 1), mapped_val));
table->blockSignals(true);
table->insertRow(row);
sb = new DoubleSpinBox();
sb->setLocale(d_locale);
sb->setDecimals(d_precision);
sb->setValue(val);
sb->setRange(min_val, max_val);
connect(sb, SIGNAL(valueChanged(double)), this, SLOT(updateColorMap()));
connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
table->setCellWidget(row, 0, sb);
QTableWidgetItem *it = new QTableWidgetItem(c.name());
// Avoid compiler warning
//#ifdef Q_CC_MSVC
it->setFlags(it->flags() & (~Qt::ItemIsEditable));
//#else
// it->setFlags(!Qt::ItemIsEditable);
//#endif
it->setBackground(QBrush(c));
it->setForeground(QBrush(c));
table->setItem(row, 1, it);
table->blockSignals(false);
enableButtons(table->currentRow());
updateColorMap();
}
void ColorMapEditor::deleteLevel()
{
table->removeRow (table->currentRow());
enableButtons(table->currentRow());
updateColorMap();
}
//-------------------------------------------------------------------------------------------------
/// Event called after resizing
void ColorBarWidget::resizeEvent(QResizeEvent * event)
{
updateColorMap();
QWidget::resizeEvent(event);
}
/**
* Sets the state of the "Autoscale" checkbox
* @param autoscale :: [input] Autoscale on/off
*/
void ColorBarWidget::setAutoScale(bool autoscale) {
ui.autoScale->setChecked(autoscale);
updateColorMap();
}
