[Bf-blender-cvs] [71eda41ae90] greasepencil-object: GPencil: Fix error when apply material in Opacity/Hue and Tint

[Antonioya]

Commit: 71eda41ae902822f73b3ba4a44f2efd05d9174d5
Author: Antonioya
Date:   Thu Jul 18 18:07:56 2019 +0200
Branches: greasepencil-object
https://developer.blender.org/rB71eda41ae902822f73b3ba4a44f2efd05d9174d5

GPencil: Fix error when apply material in Opacity/Hue and Tint

===================================================================

M	source/blender/gpencil_modifiers/intern/MOD_gpencil_util.c

===================================================================

diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencil_util.c b/source/blender/gpencil_modifiers/intern/MOD_gpencil_util.c
index bdab4c083e9..5b5290dc0ff 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencil_util.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencil_util.c
@@ -192,9 +192,8 @@ void gpencil_apply_modifier_material(
       BLI_ghash_insert(gh_color, mat->id.name, newmat);
       DEG_id_tag_update(&newmat->id, ID_RECALC_COPY_ON_WRITE);
     }
-    /* Reaasign color index. */
-    int idx = BKE_gpencil_object_material_get_index(ob, newmat);
-    gps->mat_nr = idx - 1;
+    /* Reassign color index. */
+    gps->mat_nr = BKE_gpencil_object_material_get_index(ob, newmat);
   }
   else {
     /* reuse existing color (but update only first time) */