stretch to current extent with reprojection fix

git-svn-id: http://svn.osgeo.org/qgis/trunk@15397 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: rblazek

src/core/raster/qgsrasterlayer.cpp

@@ -4280,7 +4280,7 @@ void *QgsRasterLayer::readData( int bandNo, QgsRasterViewPort *viewPort )
       viewPort->mDrawnExtent.xMaximum(),
       viewPort->mDrawnExtent.yMaximum()
     );
-    mDataProvider->readBlock( bandNo, partExtent, viewPort->drawableAreaXDim, viewPort->drawableAreaYDim, QgsCoordinateReferenceSystem(), QgsCoordinateReferenceSystem(), data );
+    mDataProvider->readBlock( bandNo, partExtent, viewPort->drawableAreaXDim, viewPort->drawableAreaYDim, viewPort->mSrcCRS, viewPort->mDestCRS, data );
   }
   return data;
 }