LineArt: Smooth tolerance value for chaining.

smooth out jaggy lines with a given threshold. For each point in a stroke, the ones with in a given distance of its previous segment will be removed,
thus "zig-zag" artefacts can be cleaned up.

Reviewed By: Antonio Vazquez (antoniov)

Differential Revision: https://developer.blender.org/D12050

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_300.c b/source/blender/blenloader/intern/versioning_300.c
index caba972c744..692c114d206 100644
--- a/source/blender/blenloader/intern/versioning_300.c
+++ b/source/blender/blenloader/intern/versioning_300.c
@@ -1127,6 +1127,15 @@ void blo_do_versions_300(FileData *fd, Library *UNUSED(lib), Main *bmain)
             }
           }
         }
+        if (ob->type == OB_GPENCIL) {
+          LISTBASE_FOREACH (GpencilModifierData *, md, &ob->greasepencil_modifiers) {
+            if (md->type == eGpencilModifierType_Lineart) {
+              LineartGpencilModifierData *lmd = (LineartGpencilModifierData *)md;
+              lmd->flags |= LRT_GPENCIL_USE_CACHE;
+              lmd->chain_smooth_tolerance = 0.2f;
+            }
+          }
+        }
       }
     }