C++ (Cpp) setFromCache Examples

Example #1

File: qgscoordinatetransform.cpp Project: dmarteau/QGIS

QgsCoordinateTransform::QgsCoordinateTransform( const QgsCoordinateReferenceSystem &source, const QgsCoordinateReferenceSystem &destination )
{
  d = new QgsCoordinateTransformPrivate( source, destination, QgsCoordinateTransformContext() );

  if ( !d->checkValidity() )
    return;

  if ( !setFromCache( d->mSourceCRS, d->mDestCRS, d->mSourceDatumTransform, d->mDestinationDatumTransform ) )
  {
    d->initialize();
    addToCache();
  }
}

Example #2

File: qgscoordinatetransform.cpp Project: boundlessgeo/QGIS

void QgsCoordinateTransform::setDestinationCrs( const QgsCoordinateReferenceSystem &crs )
{
  d.detach();
  d->mDestCRS = crs;
  if ( !d->checkValidity() )
    return;

  d->calculateTransforms( mContext );
  if ( !setFromCache( d->mSourceCRS, d->mDestCRS, d->mSourceDatumTransform, d->mDestinationDatumTransform ) )
  {
    d->initialize();
    addToCache();
  }
}

Example #3

File: qgscoordinatetransform.cpp Project: boundlessgeo/QGIS

QgsCoordinateTransform::QgsCoordinateTransform( const QgsCoordinateReferenceSystem &source, const QgsCoordinateReferenceSystem &destination, int sourceDatumTransform, int destinationDatumTransform )
{
  d = new QgsCoordinateTransformPrivate( source, destination, sourceDatumTransform, destinationDatumTransform );
#ifdef QGISDEBUG
  mHasContext = true; // not strictly true, but we don't need to worry if datums have been explicitly set
#endif

  if ( !d->checkValidity() )
    return;

  if ( !setFromCache( d->mSourceCRS, d->mDestCRS, d->mSourceDatumTransform, d->mDestinationDatumTransform ) )
  {
    d->initialize();
    addToCache();
  }
}

Example #4

File: qgscoordinatetransform.cpp Project: boundlessgeo/QGIS

QgsCoordinateTransform::QgsCoordinateTransform( const QgsCoordinateReferenceSystem &source, const QgsCoordinateReferenceSystem &destination, const QgsCoordinateTransformContext &context )
{
  mContext = context;
  d = new QgsCoordinateTransformPrivate( source, destination, mContext );
#ifdef QGISDEBUG
  mHasContext = true;
#endif

  if ( !d->checkValidity() )
    return;

  if ( !setFromCache( d->mSourceCRS, d->mDestCRS, d->mSourceDatumTransform, d->mDestinationDatumTransform ) )
  {
    d->initialize();
    addToCache();
  }
}

Example #5

File: qgscoordinatetransform.cpp Project: boundlessgeo/QGIS

void QgsCoordinateTransform::setContext( const QgsCoordinateTransformContext &context )
{
  d.detach();
  mContext = context;
#ifdef QGISDEBUG
  mHasContext = true;
#endif
  if ( !d->checkValidity() )
    return;

  d->calculateTransforms( mContext );
  if ( !setFromCache( d->mSourceCRS, d->mDestCRS, d->mSourceDatumTransform, d->mDestinationDatumTransform ) )
  {
    d->initialize();
    addToCache();
  }
}