LineArt: Automatic crease with flat/smooth faces.

This allows crease lines to be automatically hidden on smooth surfaces, also provided options for:

- Showing crease on marked sharp edges.
- Force crease detection on smooth surfaces.

Reviewed By: Antonio Vazquez (antoniov)

Differential Revision: http://developer.blender.org/D12051

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c b/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
index 73ca4b9c529..01488a8b2de 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
@@ -390,6 +390,8 @@ static void options_panel_draw(const bContext *UNUSED(C), Panel *panel)
   uiItemR(col, ptr, "use_edge_overlap", 0, IFACE_("Overlapping Edges As Contour"), ICON_NONE);
   uiItemR(col, ptr, "use_object_instances", 0, NULL, ICON_NONE);
   uiItemR(col, ptr, "use_clip_plane_boundaries", 0, NULL, ICON_NONE);
+  uiItemR(col, ptr, "use_crease_on_smooth", 0, IFACE_("Crease On Smooth"), ICON_NONE);
+  uiItemR(layout, ptr, "use_crease_on_sharp", 0, IFACE_("Crease On Sharp"), ICON_NONE);
 }
 
 static void style_panel_draw(const bContext *UNUSED(C), Panel *panel)