QgsHillshadeRenderer *QgsHillshadeRenderer::clone() const
{
QgsHillshadeRenderer* r = new QgsHillshadeRenderer( nullptr, mBand, mLightAzimuth, mLightAngle );
r->copyCommonProperties( this );
r->setZFactor( mZFactor );
r->setMultiDirectional( mMultiDirectional );
return r;
}
QgsRasterRenderer *QgsHillshadeRenderer::create( const QDomElement &elem, QgsRasterInterface *input )
{
if ( elem.isNull() )
{
return nullptr;
}
int band = elem.attribute( "band", "0" ).toInt();
double azimuth = elem.attribute( "azimuth", "315" ).toDouble();
double angle = elem.attribute( "angle", "45" ).toDouble();
double zFactor = elem.attribute( "zfactor", "1" ).toDouble();
bool multiDirectional = elem.attribute( "multidirection", "0" ).toInt();
QgsHillshadeRenderer* r = new QgsHillshadeRenderer( input, band, azimuth , angle );
r->readXml( elem );
r->setZFactor( zFactor );
r->setMultiDirectional( multiDirectional );
return r;
}
QgsRasterRenderer *QgsHillshadeRendererWidget::renderer()
{
if ( !mRasterLayer )
{
return nullptr;
}
QgsRasterDataProvider* provider = mRasterLayer->dataProvider();
if ( !provider )
{
return nullptr;
}
int band = mBandsCombo->currentData().toInt();
QgsHillshadeRenderer* renderer = new QgsHillshadeRenderer( provider, band, mLightAzimuth->value(), mLightAngle->value() );
double value = mZFactor->value();
renderer->setZFactor( value );
renderer->setMultiDirectional( mMultiDirection->checkState() );
return renderer;
}
