From 009dbc2bc9fbd45f974b46835679fefae7b42561 Mon Sep 17 00:00:00 2001
From: Antonioya <blendergit@gmail.com>
Date: Tue, 9 Apr 2019 20:12:21 +0200
Subject: Fix T63427: Annotations don'twork with 2.79 settings

The problem was the colors were not converted and the annotation flag was not enabled.

Note: For Scene data (View3D) there is a convert operator.
---
 source/blender/blenloader/intern/versioning_280.c | 46 +++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'source/blender/blenloader')

diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index a32ff9f5ef0..6eeb70c3e16 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -564,6 +564,28 @@ static void do_version_collection_propagate_lib_to_children(Collection *collecti
 	}
 }
 
+/** convert old annotations colors */
+static void do_versions_fix_annotations(bGPdata *gpd)
+{
+	for (const bGPDpalette *palette = gpd->palettes.first; palette; palette = palette->next) {
+		for (bGPDpalettecolor *palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {
+			/* fix layers */
+			for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
+				for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) {
+					for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
+						if ((gps->colorname[0] != '\0') &&
+							(STREQ(gps->colorname, palcolor->info)))
+						{
+							/* copy color settings */
+							copy_v4_v4(gpl->color, palcolor->color);
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
 void do_versions_after_linking_280(Main *bmain)
 {
 	bool use_collection_compat_28 = true;
@@ -657,6 +679,30 @@ void do_versions_after_linking_280(Main *bmain)
 		}
 	}
 
+	if (!MAIN_VERSION_ATLEAST(bmain, 280, 0)) {
+		for (bScreen *screen = bmain->screens.first; screen; screen = screen->id.next) {
+			for (ScrArea *sa = screen->areabase.first; sa; sa = sa->next) {
+				for (SpaceLink *space = sa->spacedata.first; space; space = space->next) {
+					if (space->spacetype == SPACE_IMAGE) {
+						SpaceImage *sima = (SpaceImage *)space;
+						if ((sima) && (sima->gpd)) {
+							sima->gpd->flag |= GP_DATA_ANNOTATIONS;
+							do_versions_fix_annotations(sima->gpd);
+						}
+					}
+					if (space->spacetype == SPACE_CLIP) {
+						SpaceClip *spclip = (SpaceClip *)space;
+						MovieClip *clip = spclip->clip;
+						if ((clip) && (clip->gpd)) {
+							clip->gpd->flag |= GP_DATA_ANNOTATIONS;
+							do_versions_fix_annotations(clip->gpd);
+						}
+					}
+				}
+			}
+		}
+	}
+
 	/* New workspace design */
 	if (!MAIN_VERSION_ATLEAST(bmain, 280, 1)) {
 		do_version_workspaces_after_lib_link(bmain);
-- 
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