void TestQgsCoordinateTransform::assignment()
{
QgsCoordinateTransform uninitialized;
QgsCoordinateTransform uninitializedCopy;
uninitializedCopy = uninitialized;
QVERIFY( !uninitializedCopy.isValid() );
QgsCoordinateReferenceSystem source;
source.createFromId( 3111, QgsCoordinateReferenceSystem::EpsgCrsId );
QgsCoordinateReferenceSystem destination;
destination.createFromId( 4326, QgsCoordinateReferenceSystem::EpsgCrsId );
QgsCoordinateTransform original( source, destination );
QVERIFY( original.isValid() );
QgsCoordinateTransform copy;
copy = original;
QVERIFY( copy.isValid() );
QCOMPARE( copy.sourceCrs().authid(), original.sourceCrs().authid() );
QCOMPARE( copy.destinationCrs().authid(), original.destinationCrs().authid() );
// force detachement of copy
QgsCoordinateReferenceSystem newDest;
newDest.createFromId( 3857, QgsCoordinateReferenceSystem::EpsgCrsId );
copy.setDestinationCrs( newDest );
QVERIFY( copy.isValid() );
QCOMPARE( copy.destinationCrs().authid(), QString( "EPSG:3857" ) );
QCOMPARE( original.destinationCrs().authid(), QString( "EPSG:4326" ) );
// test assigning back to invalid
copy = uninitialized;
QVERIFY( !copy.isValid() );
QVERIFY( original.isValid() );
}
void QgsVectorLayerSaveAsDialog::on_mCRSSelection_currentIndexChanged( int idx )
{
leCRS->setEnabled( idx == 2 );
QgsCoordinateReferenceSystem crs;
if ( mCRSSelection->currentIndex() == 0 )
{
crs = mLayerCrs;
}
else if ( mCRSSelection->currentIndex() == 1 )
{
crs = mExtentGroupBox->currentCrs();
}
else // custom CRS
{
crs.createFromId( mCRS, QgsCoordinateReferenceSystem::InternalCrsId );
}
mExtentGroupBox->setOutputCrs( crs );
}
