[processing] Clip alg allows mask in different CRS to clipped layer

Author: nyalldawson

python/plugins/processing/algs/qgis/Clip.py

@@ -84,7 +84,7 @@ def processAlgorithm(self, parameters, context, feedback):
 
         # first build up a list of clip geometries
         clip_geoms = []
-        for mask_feature in mask_source.getFeatures(QgsFeatureRequest().setSubsetOfAttributes([])):
+        for mask_feature in mask_source.getFeatures(QgsFeatureRequest().setSubsetOfAttributes([]).setDestinationCrs(feature_source.sourceCrs())):
             clip_geoms.append(mask_feature.geometry())
 
         # are we clipping against a single feature? if so, we can show finer progress reports