Add Onion Skin support to Annotations

The old onion skinning used in 2.7x has been ported and converted to 2.8. Only basic features have been included. For more advanced onion skin features, use grease pencil objects.

Onion Skin is supported in View 3D and Sequencer.

1 files changed, 12 insertions, 1 deletions

diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index 1bec320b00a..5d1d4a9ad2f 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -1116,7 +1116,7 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
 			}
 
 			/* Init grease pencil pixel size factor */
-			if (!DNA_struct_elem_find(fd->filesdna, "bGPDdata", "int", "pixfactor")) {
+			if (!DNA_struct_elem_find(fd->filesdna, "bGPdata", "int", "pixfactor")) {
 				for (bGPdata *gpd = bmain->gpencil.first; gpd; gpd = gpd->id.next) {
 					gpd->pixfactor = GP_DEFAULT_PIX_FACTOR;
 				}
@@ -2463,5 +2463,16 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
 				STRNCPY(scene->r.engine, RE_engine_id_BLENDER_WORKBENCH);
 			}
 		}
+
+		/* init Annotations onion skin */
+		if (!DNA_struct_elem_find(fd->filesdna, "bGPDlayer", "int", "gstep")) {
+			for (bGPdata *gpd = bmain->gpencil.first; gpd; gpd = gpd->id.next) {
+				for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
+					ARRAY_SET_ITEMS(gpl->gcolor_prev, 0.302f, 0.851f, 0.302f);
+					ARRAY_SET_ITEMS(gpl->gcolor_next, 0.250f, 0.1f, 1.0f);
+				}
+			}
+		}
+
 	}
 }