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, 12 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_gpencil_modifier.c b/source/blender/makesrna/intern/rna_gpencil_modifier.c
index 55fe74cab4f..e125149dad2 100644
--- a/source/blender/makesrna/intern/rna_gpencil_modifier.c
+++ b/source/blender/makesrna/intern/rna_gpencil_modifier.c
@@ -3188,6 +3188,18 @@ static void rna_def_modifier_gpencillineart(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Masks", "Mask bits to match from Collection Line Art settings");
   RNA_def_property_update(prop, 0, "rna_GpencilModifier_update");
 
+  prop = RNA_def_property(srna, "use_crease_on_smooth", PROP_BOOLEAN, PROP_NONE);
+  RNA_def_property_boolean_sdna(
+      prop, NULL, "calculation_flags", LRT_USE_CREASE_ON_SMOOTH_SURFACES);
+  RNA_def_property_ui_text(
+      prop, "Crease On Smooth Surfaces", "Allow crease edges to show inside smooth surfaces");
+  RNA_def_property_update(prop, 0, "rna_GpencilModifier_update");
+
+  prop = RNA_def_property(srna, "use_crease_on_sharp", PROP_BOOLEAN, PROP_NONE);
+  RNA_def_property_boolean_sdna(prop, NULL, "calculation_flags", LRT_USE_CREASE_ON_SHARP_EDGES);
+  RNA_def_property_ui_text(prop, "Crease On Sharp Edges", "Allow crease to show on sharp edges");
+  RNA_def_property_update(prop, 0, "rna_GpencilModifier_update");
+
   RNA_define_lib_overridable(false);
 }