1 files changed, 75 insertions, 1 deletions

diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilmultiply.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilmultiply.c
index 22e46626a13..619c37015e4 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencilmultiply.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilmultiply.c
@@ -29,6 +29,7 @@
 #include "DNA_gpencil_types.h"
 #include "DNA_object_types.h"
 #include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
 
 #include "BLI_alloca.h"
 #include "BLI_blenlib.h"
@@ -37,6 +38,8 @@
 #include "BLI_rand.h"
 #include "BLI_utildefines.h"
 
+#include "BLT_translation.h"
+
 #include "BKE_collection.h"
 #include "BKE_context.h"
 #include "BKE_global.h"
@@ -51,6 +54,7 @@
 #include "BKE_modifier.h"
 #include "BKE_object.h"
 #include "BKE_scene.h"
+#include "BKE_screen.h"
 
 #include "bmesh.h"
 #include "bmesh_tools.h"
@@ -59,7 +63,13 @@
 #include "DEG_depsgraph_build.h"
 #include "DEG_depsgraph_query.h"
 
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "RNA_access.h"
+
 #include "MOD_gpencil_modifiertypes.h"
+#include "MOD_gpencil_ui_common.h"
 #include "MOD_gpencil_util.h"
 
 static void initData(GpencilModifierData *md)
@@ -305,8 +315,71 @@ static void foreachIDLink(GpencilModifierData *md, Object *ob, IDWalkFunc walk,
   walk(userData, ob, (ID **)&mmd->material, IDWALK_CB_USER);
 }
 
+static void panel_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *col;
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  gpencil_modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiLayoutSetPropSep(layout, true);
+
+  uiItemR(layout, &ptr, "duplicates", 0, NULL, ICON_NONE);
+
+  col = uiLayoutColumn(layout, false);
+  uiLayoutSetActive(layout, RNA_int_get(&ptr, "duplicates") > 0);
+  uiItemR(col, &ptr, "distance", 0, NULL, ICON_NONE);
+  uiItemR(col, &ptr, "offset", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
+
+  gpencil_modifier_panel_end(layout, &ptr);
+}
+
+static void fade_header_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  gpencil_modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiItemR(layout, &ptr, "use_fade", 0, NULL, ICON_NONE);
+}
+
+static void fade_panel_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *col;
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  gpencil_modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiLayoutSetPropSep(layout, true);
+
+  uiLayoutSetActive(layout, RNA_boolean_get(&ptr, "use_fade"));
+
+  col = uiLayoutColumn(layout, false);
+  uiItemR(col, &ptr, "fading_center", 0, NULL, ICON_NONE);
+  uiItemR(col, &ptr, "fading_thickness", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
+  uiItemR(col, &ptr, "fading_opacity", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
+}
+
+static void mask_panel_draw(const bContext *C, Panel *panel)
+{
+  gpencil_modifier_masking_panel_draw(C, panel, true, false);
+}
+
+static void panelRegister(ARegionType *region_type)
+{
+  PanelType *panel_type = gpencil_modifier_panel_register(
+      region_type, eGpencilModifierType_Multiply, panel_draw);
+  gpencil_modifier_subpanel_register(
+      region_type, "fade", "", fade_header_draw, fade_panel_draw, panel_type);
+  gpencil_modifier_subpanel_register(
+      region_type, "mask", "Influence", NULL, mask_panel_draw, panel_type);
+}
+
 GpencilModifierTypeInfo modifierType_Gpencil_Multiply = {
-    /* name */ "Multiple Strokes",
+    /* name */ "MultipleStrokes",
     /* structName */ "MultiplyGpencilModifierData",
     /* structSize */ sizeof(MultiplyGpencilModifierData),
     /* type */ eGpencilModifierTypeType_Gpencil,
@@ -327,4 +400,5 @@ GpencilModifierTypeInfo modifierType_Gpencil_Multiply = {
     /* foreachObjectLink */ NULL,
     /* foreachIDLink */ foreachIDLink,
     /* foreachTexLink */ NULL,
+    /* panelRegister */ panelRegister,
 };