Data previews: add preview to Object, Group and Scene.

This commit does not add anything yet to users, it’s purely internal one.
Useful commit is next. ;)

1 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/blenkernel/intern/group.c b/source/blender/blenkernel/intern/group.c
index ae3ab833a87..ae99ff1bbf3 100644
--- a/source/blender/blenkernel/intern/group.c
+++ b/source/blender/blenkernel/intern/group.c
@@ -49,6 +49,7 @@
 #include "BKE_depsgraph.h"
 #include "BKE_global.h"
 #include "BKE_group.h"
+#include "BKE_icons.h"
 #include "BKE_library.h"
 #include "BKE_main.h"
 #include "BKE_object.h"
@@ -64,7 +65,9 @@ void BKE_group_free(Group *group)
 {
 	/* don't free group itself */
 	GroupObject *go;
-	
+
+	BKE_previewimg_free(&group->preview);
+
 	while ((go = BLI_pophead(&group->gobject))) {
 		free_group_object(go);
 	}
@@ -139,6 +142,9 @@ Group *BKE_group_add(Main *bmain, const char *name)
 	
 	group = BKE_libblock_alloc(bmain, ID_GR, name);
 	group->layer = (1 << 20) - 1;
+
+	group->preview = NULL;
+
 	return group;
 }
 
@@ -149,6 +155,8 @@ Group *BKE_group_copy(Group *group)
 	groupn = BKE_libblock_copy(&group->id);
 	BLI_duplicatelist(&groupn->gobject, &group->gobject);
 
+	/* Do not copy group's preview (same behavior as for objects). */
+
 	if (group->id.lib) {
 		BKE_id_lib_local_paths(G.main, group->id.lib, &groupn->id);
 	}