Add An Opacity Slider to Overlay Wireframe

This patch adds an opacity slider to the wireframe overlay. The previous
wireframe in dense geometry scenes could be too dark and sometimes the
user just wants an impression of the geometry during modelling.

Reviewed By: Jeroen Bakker

Differential Revision: https://developer.blender.org/D7622

1 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c
index 0f4904e5e8f..f63a4ce041f 100644
--- a/source/blender/makesrna/intern/rna_space.c
+++ b/source/blender/makesrna/intern/rna_space.c
@@ -3716,6 +3716,16 @@ static void rna_def_space_view3d_overlay(BlenderRNA *brna)
   RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
   RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
 
+  prop = RNA_def_property(srna, "wireframe_opacity", PROP_FLOAT, PROP_FACTOR);
+  RNA_def_property_float_sdna(prop, NULL, "overlay.wireframe_opacity");
+  RNA_def_property_ui_text(prop,
+                           "Wireframe Opacity",
+                           "Opacity of the displayed edges "
+                           "(1.0 for opaque)");
+  RNA_def_property_range(prop, 0.0f, 1.0f);
+  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
+  RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
+
   prop = RNA_def_property(srna, "show_paint_wire", PROP_BOOLEAN, PROP_NONE);
   RNA_def_property_boolean_sdna(prop, NULL, "overlay.paint_flag", V3D_OVERLAY_PAINT_WIRE);
   RNA_def_property_ui_text(prop, "Show Wire", "Use wireframe display in painting modes");