[GRASS] suppress raster masking for rendering and querying

src/providers/grass/qgis.d.rast.c

@@ -60,6 +60,7 @@
 #define G_read_colors Rast_read_colors
 #define G_window_cols Rast_window_cols
 #define G_window_rows Rast_window_rows
+#define G_suppress_masking Rast_suppress_masking
 #endif
 
 int display( char *name, char *mapset, RASTER_MAP_TYPE data_type, char *format );
@@ -123,6 +124,8 @@ int main( int argc, char **argv )
   G_adjust_Cell_head( &window, 1, 1 );
   G_set_window( &window );
 
+  G_suppress_masking(); // must be after G_set_window()
+
   raster_type = G_raster_map_type( name, "" );
 
   display( name, mapset, raster_type, format->answer );

src/providers/grass/qgis.g.info.c

@@ -54,6 +54,7 @@
 #define G_read_fp_range Rast_read_fp_range
 #define G_window_cols Rast_window_cols
 #define G_window_rows Rast_window_rows
+#define G_suppress_masking Rast_suppress_masking
 #endif
 
 int main( int argc, char **argv )
@@ -114,7 +115,6 @@ int main( int argc, char **argv )
   if ( G_parser( argc, argv ) )
     exit( EXIT_FAILURE );
 
-
   if ( strcmp( "proj", info_opt->answer ) == 0 )
   {
     G_get_window( &window );
@@ -211,6 +211,7 @@ int main( int argc, char **argv )
       char buff[101];
       G_get_cellhd( rast_opt->answer, "", &window );
       G_set_window( &window );
+      G_suppress_masking(); // must be after G_set_window()
       fd = G_open_cell_old( rast_opt->answer, "" );
       // wait for coords from stdin
       while ( fgets( buff, 100, stdin ) != 0 )
@@ -323,6 +324,7 @@ int main( int argc, char **argv )
       window.cols = ( int ) atoi( cols_opt->answer );
 
       G_set_window( &window );
+      G_suppress_masking(); // must be after G_set_window()
       fd = G_open_cell_old( rast_opt->answer, "" );
 
       ncols = G_window_cols();

src/providers/grass/qgsgrass.cpp

@@ -368,9 +368,11 @@ bool QgsGrass::init( void )
     return false;
   }
 
-  // I think that mask should not be used in QGIS as it can only confuses people,
+  // I think that mask should not be used in QGIS as it can confuse users,
   // anyway, I don't think anybody is using MASK
   // TODO7: Rast_suppress_masking (see G_suppress_masking() macro above) needs MAPSET
+  // (it should not be necessary, because rasters are read by modules qgis.g.info and qgis.d.rast
+  //  where masking is suppressed)
 #if GRASS_VERSION_MAJOR < 7
   G_suppress_masking();
 #endif