CurveWidget::CurveWidget( QWidget* parent ) : QWidget( parent )
{
CurveWidgetLayout = new QHBoxLayout(this);
CurveWidgetLayout->setMargin(5);
CurveWidgetLayout->setSpacing(5);
layout1 = new QVBoxLayout;
layout1->setMargin(0);
layout1->setSpacing(5);
invertButton = new QPushButton( this );
invertButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
invertButton->setIcon( IconManager::instance()->loadIcon("invert.png") );
invertButton->setIconSize(QSize(22, 22));
layout1->addWidget( invertButton );
resetButton = new QPushButton( this );
resetButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
resetButton->setIcon( IconManager::instance()->loadIcon("reload.png") );
resetButton->setIconSize(QSize(22, 22));
layout1->addWidget( resetButton );
linearButton = new QPushButton( this );
QIcon ic;
ic.addPixmap(IconManager::instance()->loadPixmap("curvebezier.png"), QIcon::Normal, QIcon::Off);
ic.addPixmap(IconManager::instance()->loadPixmap("curvelinear.png"), QIcon::Normal, QIcon::On);
linearButton->setIcon(ic);
linearButton->setCheckable( true );
linearButton->setChecked(false);
linearButton->setIconSize(QSize(22, 22));
linearButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
layout1->addWidget( linearButton );
spacer1 = new QSpacerItem( 2, 3, QSizePolicy::Minimum, QSizePolicy::Expanding );
layout1->addItem( spacer1 );
loadButton = new QPushButton( this );
loadButton->setIcon( IconManager::instance()->loadIcon("22/document-open.png") );
loadButton->setIconSize(QSize(22, 22));
loadButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
layout1->addWidget( loadButton );
saveButton = new QPushButton( this );
saveButton->setIcon( IconManager::instance()->loadIcon("22/document-save-as.png") );
saveButton->setIconSize(QSize(22, 22));
saveButton->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
layout1->addWidget( saveButton );
CurveWidgetLayout->addLayout( layout1 );
cDisplay = new KCurve(this);
cDisplay->setMinimumSize( QSize( 150, 150 ) );
CurveWidgetLayout->addWidget( cDisplay );
languageChange();
connect(invertButton, SIGNAL(clicked()), this, SLOT(doInvert()));
connect(resetButton, SIGNAL(clicked()), this, SLOT(doReset()));
connect(linearButton, SIGNAL(clicked()), this, SLOT(doLinear()));
connect(loadButton, SIGNAL(clicked()), this, SLOT(doLoad()));
connect(saveButton, SIGNAL(clicked()), this, SLOT(doSave()));
}
//---------------------------------------
bool Matrix3::invert( Matrix3& _m )
{
Real det = _m.determinate();
if( realCompare( det, 0.0 ) )
{
return false;
}
doInvert( _m, _m, det );
return true;
}
//---------------------------------------
Matrix3 Matrix3::inverse() const
{
Real det = determinate();
if( realCompare( det, 0.0 ) )
{
return cIdentity;
}
Matrix3 ret;
doInvert( *this, ret, det );
return ret;
}