void ChannelViewer::initUi(Ui::MainWindow *ui)
{
if (_ui == NULL) {
_ui = ui;
connect(ui->tangentInType, SIGNAL(currentIndexChanged(QString)), SLOT(onTangentTypeChanged(QString)));
connect(ui->tangentInValue, SIGNAL(valueChanged(double)), SLOT(onTangentValueChanged(double)));
connect(ui->tangentOutType, SIGNAL(currentIndexChanged(QString)), SLOT(onTangentTypeChanged(QString)));
connect(ui->tangentOutValue, SIGNAL(valueChanged(double)), SLOT(onTangentValueChanged(double)));
connect(ui->extrapolationInType, SIGNAL(currentIndexChanged(QString)), SLOT(onChannelChanged(QString)));
connect(ui->extrapolationOutType, SIGNAL(currentIndexChanged(QString)), SLOT(onChannelChanged(QString)));
connect(ui->keyTime, SIGNAL(valueChanged(double)), SLOT(onKeyChanged(double)));
connect(ui->keyValue, SIGNAL(valueChanged(double)), SLOT(onKeyChanged(double)));
}
/******************************************************************************
* Add new channels
*
* @param pNbChannels the number of new channels
******************************************************************************/
void Qtfe::addChannels( int pNbChannels )
{
// Iterate through number of channels
for ( int i = 0; i < pNbChannels; ++i )
{
// Create a channel and store it
QtfeChannel* channel = new QtfeChannel( this );
_channels.push_back( channel );
// Add it to main widget
_transferFunctionGroupBox->layout()->addWidget( channel );
// Do connection(s)
QObject::connect( channel, SIGNAL( channelChanged() ), this, SLOT( onChannelChanged() ) );
}
}
void ccColorLevelsDlg::onApply()
{
//save parameters
s_inputLevels[0] = minInputSpinBox->value();
s_inputLevels[1] = maxInputSpinBox->value();
s_outputLevels[0] = minOutputSpinBox->value();
s_outputLevels[1] = maxOutputSpinBox->value();
s_outputLevelsEnabled = outputLevelsCheckBox->isChecked();
if ( m_cloud
&& ( minInputSpinBox->value() != 0
|| maxInputSpinBox->value() != 255
|| minOutputSpinBox->value() != 0
|| maxOutputSpinBox->value() != 255
) )
{
bool applyRGB[3] = {channelComboBox->currentIndex() == RGB || channelComboBox->currentIndex() == RED,
channelComboBox->currentIndex() == RGB || channelComboBox->currentIndex() == GREEN,
channelComboBox->currentIndex() == RGB || channelComboBox->currentIndex() == BLUE };
//update display
ccPointCloud* pc = ccHObjectCaster::ToPointCloud(m_cloud);
unsigned pointCount = m_cloud->size();
int qIn = s_inputLevels[1] - s_inputLevels[0];
int pOut = s_outputLevels[1] - s_outputLevels[0];
for (unsigned i=0; i<pointCount; ++i)
{
const ColorCompType* rgb = m_cloud->getPointColor(i);
ColorCompType newRgb[3];
for (unsigned c=0; c<3; ++c)
{
if (applyRGB[c])
{
double newC = s_outputLevels[0];
if (qIn)
{
double u = (static_cast<double>(rgb[c]) - s_inputLevels[0]) / qIn;
newC = s_outputLevels[0] + u * pOut;
}
newRgb[c] = static_cast<ColorCompType>(std::max<double>(std::min<double>(newC,ccColor::MAX),0.0));
}
else
{
newRgb[c] = rgb[c];
}
}
//set the new color
if (pc)
{
pc->setPointColor(i,newRgb);
}
else
{
//DGM FIXME: dirty!
memcpy(const_cast<ColorCompType*>(rgb),newRgb,sizeof(ColorCompType)*3);
}
}
//update display
m_cloud->getDisplay()->redraw();
//update histogram
onChannelChanged(channelComboBox->currentIndex());
}
//after applying the filter we reset the boundaries to (0,255)
//in case the user clicks multiple times on the "Apply" button!
minInputSpinBox->setValue(0);
maxInputSpinBox->setValue(255);
minOutputSpinBox->setValue(0);
maxOutputSpinBox->setValue(255);
}
