Added fields accessor to raster data provider

qgis · Apr 6, 2020 · 1231aa0 · 1231aa0
1 parent 3a5ad9a
commit 1231aa0
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/python/core/auto_generated/raster/qgsrasterdataprovider.sip.in b/python/core/auto_generated/raster/qgsrasterdataprovider.sip.in
@@ -117,6 +117,13 @@ It makes no sense to set input on provider */
 Returns data type for the band specified by number
 %End
 
+    virtual QgsFields fields() const;
+%Docstring
+Returns the fields of the raster layer for data providers that expose them,
+the default implementation returns an empty list.
+
+.. versionadded:: 3.14
+%End
     virtual Qgis::DataType sourceDataType( int bandNo ) const = 0;
 
 %Docstring

diff --git a/src/core/raster/qgsrasterdataprovider.h b/src/core/raster/qgsrasterdataprovider.h
@@ -33,8 +33,8 @@
 
 #include "qgscolorrampshader.h"
 #include "qgsdataprovider.h"
-#include "qgsfields.h"
 #include "qgsraster.h"
+#include "qgsfields.h"
 #include "qgsrasterinterface.h"
 #include "qgsrasterpyramid.h"
 #include "qgsrasterrange.h"
@@ -134,6 +134,13 @@ class CORE_EXPORT QgsRasterDataProvider : public QgsDataProvider, public QgsRast
     //! Returns data type for the band specified by number
     Qgis::DataType dataType( int bandNo ) const override = 0;
 
+    /**
+     * Returns the fields of the raster layer for data providers that expose them,
+     * the default implementation returns an empty list.
+     * \since QGIS 3.14
+     */
+    virtual QgsFields fields() const { return QgsFields(); };
+
     /**
      * Returns source data type for the band specified by number,
      *  source data type may be shorter than dataType